Syun-Ichi Akasofu | Academic Influence

Syun-Ichi Akasofu's AcademicInfluence.com Rankings

Syun-Ichi Akasofu

Earth Sciences

#25

World Rank

#88

Historical Rank

#9

USA Rank

Atmospheric Sciences

#4

World Rank

#4

Historical Rank

#4

USA Rank

Geophysics

#4

World Rank

#11

Historical Rank

#4

USA Rank

earth-sciences Degrees

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Earth Sciences

Syun-Ichi Akasofu's Degrees

PhD Geophysics University of Alaska Fairbanks
Masters Geophysics University of Alaska Fairbanks
Bachelors Geophysics Tohoku University

Why Is Syun-Ichi Akasofu Influential?

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According to Wikipedia, Syun-Ichi Akasofu is the founding director of the International Arctic Research Center of the University of Alaska Fairbanks , serving in that position from the center's establishment in 1998 until January 2007. Previously he had been director of the university's Geophysical Institute from 1986.

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Syun-Ichi Akasofu's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

The development of the auroral substorm. (1964) (1390)
Energy coupling between the solar wind and the magnetosphere (1981) (828)
A study of geomagnetic storms (1978) (581)
Origin of interplanetary southward magnetic fields responsible for major magnetic storms near solar maximum (1978–1979) (1988) (521)
Polar and magnetospheric substorms (1968) (406)
Magnetospheric substorms-definition and signatures (1980) (390)
The latitudinal morphology of 10‐eV to 10‐keV electron fluxes during magnetically quiet and disturbed times in the 2100–0300 MLT sector (1975) (363)
An ISEE 3 study of average and substorm conditions in the distant magnetotail (1985) (347)
Physics of magnetospheric substorms (1977) (346)
Measurements of magnetotail plasma flow made with Vela 4B (1972) (291)
Solar wind-magnetosphere coupling during intense magnetic storms (1978-1979) (1989) (283)
The ring current, geomagnetic disturbance, and the Van Allen radiation belts (1961) (244)
Magnetotail and boundary layer plasmas at a geocentric distance of ∼18 RE : Vela 5 and 6 observations (1973) (195)
Dynamics of the Magnetosphere (1979) (189)
Scaling relations governing magnetospheric energy transfer (1982) (185)
The polar electrojet. (1965) (183)
The Joule heat production rate and the particle energy injection rate as a function of the geomagnetic indices AE and AL (1983) (181)
A study of polar magnetic substorms (1969) (178)
Interplanetary energy flux associated with magnetospheric substorms (1979) (167)
A study of auroral displays photographed from the DMSP-2 satellite and from the Alaska meridian chain of stations (1974) (166)
The nonlinear response of AE to the IMF BS driver: A spectral break at 5 hours (1990) (161)
Improvements to the HAF solar wind model for space weather predictions (2001) (159)
Atmospheric CO2 balance: The role of Arctic sea ice (2004) (153)
Forecasting solar wind structures and shock arrival times using an ensemble of models (2003) (152)
A theory of substorms: Onset and subsidence (1988) (150)
Auroral substorms and the interplanetary magnetic field (1973) (150)
On the asymmetric development of magnetic storm fields in low and middle latitudes (1964) (149)
The roles of direct input of energy from the solar wind and unloading of stored magnetotail energy in driving magnetospheric substorms (1988) (144)
EMISSIONS BY THE ISIS 2 SATELLITE IN THE 19-24 MLT SECTOR (1977) (141)
Simulation of three-dimensional solar wind disturbances and resulting geomagnetic storms (1982) (132)
The solar wind-magnetosphere energy coupling and magnetospheric disturbances (1980) (130)
Propagation mechanism of daytime Pc 3-4 pulsations observed at synchronous orbit and multiple ground-based stations (1985) (129)
Mapping electrodynamic features of the high-latitude ionosphere from localized observations: Combined incoherent-scatter radar and magnetometer measurements for January 18-19, 1984 (1988) (116)
Cross‐correlation analysis of the AE index and the interplanetary magnetic field Bz component (1973) (112)
An ISEE 3 high time resolution study of interplanetary parameter correlations with magnetospheric activity (1983) (112)
Recent progress in studies of DMSP auroral photographs (1976) (112)
Auroral circle—delineating the poleward boundary of the quiet auroral belt (1977) (110)
Electric field observations by incoherent scatter radar in the auroral zone (1973) (104)
Magnetotail plasma flow during plasma sheet expansions: Vela 5 and 6 and Imp 6 observations (1977) (103)
Field-aligned and ionospheric currents (1975) (101)
Global distribution of ionospheric and field‐aligned currents during substorms as determined from six IMS meridian chains of magnetometers: Initial results (1982) (100)
The location of the field‐aligned currents with respect to discrete auroral arcs (1976) (100)
Auroral kilometric radiation as an indicator of auroral magnetic disturbances (1977) (100)
The dynamics of the aurora—II Westward traveling surges (1965) (96)
Notes on the auroral electrojet indices (1983) (95)
Electric conductivities, electric fields and auroral particle energy injection rate in the auroral ionosphere and their empirical relations to the horizontal magnetic disturbances (1983) (95)
The average ionospheric electrodynamics for the different substorm phases (1996) (94)
Dynamic morphology of auroras (1965) (93)
A simulation study of forced reconnection processes and magnetospheric storms and substorms (1985) (92)
Particle Dynamics in the Plasma Sheet (1979) (91)
The diffuse aurora (1973) (91)
Dependence of substorm occurrence probability on the interplanetary magnetic field and on the size of the auroral oval (1977) (87)
Real‐time shock arrival predictions during the “Halloween 2003 epoch” (2004) (85)
The response of the dayside aurora to sharp northward and southward transitions of the interplanetary magnetic field and to magnetospheric substorms (1977) (85)
OBSERVATIONS OF THE RIGHT-HAND RESONANT ION-BEAM INSTABILITY IN THE DISTANT PLASMA SHEET BOUNDARY-LAYER (1985) (84)
Storm sudden commencements and polar magnetic substorms (1971) (82)
THE MAIN PHASE OF GREAT MAGNETIC STORMS (1963) (81)
Relationship between the IMF magnitude and Pc 3 magnetic pulsations in the magnetosphere (1984) (80)
Dependence of the latitude of the cleft on the interplanetary magnetic field and substorm activity (1976) (79)
Dynamics of the aurora—IV: Polar magnetic substorms and westward traveling surges (1966) (79)
Mathematical separation of directly driven and unloading components in the ionospheric equivalent currents during substorms (1998) (77)
Global measures of ionospheric electrodynamic activity inferred from combined incoherent scatter radar and ground magnetometer observations (1990) (76)
Poleward expansion of the auroral oval and associated phenomena in the magnetotail during auroral substorms: 1. (1970) (75)
A comparison of satellite observations of Birkeland currents with ground observations of visible aurora and ionospheric currents (1975) (75)
The dynamics of the aurora - i. instabilities of the aurora (1964) (75)
Auroral emissions and particle precipitation in the noon sector (1972) (74)
Latitudinal cross section of the auroral electrojet and its relation to the interplanetary magnetic field polarity (1974) (74)
The magnetic field of a model radiation belt, numerically computed (1961) (74)
Wavy nature of the magnetotail neutral sheet (1978) (74)
Observation of the plasma sheet during a contracted oval substorm in a prolonged quiet period (1976) (74)
An ionospheric conductance model based on ground magnetic disturbance data (1998) (73)
The auroral oval, the auroral substorm, and their relations with the internal structure of the magnetosphere. (1966) (72)
The equatorward boundary of the diffuse aurora and auroral substorms as seen by the Isis 2 auroral scanning photometer (1975) (72)
Relationships between the AE and DST indices during geomagnetic storms (1981) (71)
A model for thinning of the plasma sheet (1977) (71)
A study of polar magnetic substorms: 2. Three‐dimensional current system (1969) (70)
Modeling substorm current systems using conductivity distributions inferred from DE auroral images (1986) (70)
The lower limit of latitude (US sector) of northern quiet auroral arcs, and its relation to Dst(H) (1963) (66)
The Development of the Main Phase of Magnetic Storms (1963) (66)
Search for the magnetic neutral line in the near‐Earth plasma sheet 2. Systematic study of Imp 6 magnetic field observations (1977) (66)
Low-latitude DS component of geomagnetic storm field (1971) (62)
V-potential double layers and the formation of auroral arcs (1980) (62)
The auroral electrojet and global auroral features (1975) (62)
MAGNETIC STORMS- THE SIMULTANEOUS DEVELOPMENT OF THE MAIN PHASE DR AND OF POLAR MAGNETIC SUBSTORMS DP (1963) (61)
Electrodynamics of the magnetosphere: Geomagnetic storms (1966) (61)
The shift of the auroral electron precipitation boundaries in the dawn-dusk sector in association with geomagnetic activity and interplanetary magnetic field (1983) (61)
Midday auroras at the South Pole during magnetospheric substorms (1972) (60)
Magnetospheric Substorms: A Model (1972) (60)
Equatorward shift of the cleft during magnetospheric substorms as observed by Isis 1 (1973) (59)
A dynamo theory of solar flares (1983) (59)
Relationships between the equatorial electrojet and polar magnetic variations (1973) (59)
Two‐dimensional potential double layers and discrete auroras (1979) (59)
Interplanetary shock waves and magnetospheric substorms (1980) (59)
A source of the energy for geomagnetic storms and auroras. (1964) (57)
A cause of solar wind speed variations observed at 1 A.U. (1981) (56)
Transpolar auroras, their particle precipitation, and IMF By component (1991) (55)
Solar sources of interplanetary southward Bz events responsible for major magnetic storms (1978‐1979) (1989) (55)
Auroral substorms observed from above the north polar region by a satellite (1974) (55)
The roles of the north-south component of the interplanetary magnetic field on large-scale auroral dynamics observed by the DMSP satellite (1975) (54)
On the recovery from the Little Ice Age (2010) (54)
A mechanism for the westward traveling surge during substorms (1984) (53)
The magnetic field of the quiet‐time proton belt (1962) (52)
The energy coupling function and the power generated by the solar wind-magnetosphere dynamo (1980) (51)
CHARACTERISTICS OF POLAR CAP AURORAS. (1969) (51)
Association of magnetotail phenomena with visible auroral features (1971) (50)
Prediction in Real Time of the 2000 July 14 Heliospheric Shock Wave and its Companions During the `Bastille' Epoch* (2001) (50)
Evidence for electrostatic shocks as the source of discrete auroral arcs (1983) (49)
The dynamical morphology of the aurora polaris (1963) (49)
Midday auroras and magnetospheric substorms. (1972) (48)
Auroral kilometric radiation/aurora correlation (1984) (48)
Comments on the growth phase of magnetospheric substorms (1972) (47)
Large-scale auroral motions and polar magnetic disturbances—I A polar disturbance at about 1100 hours on 23 september 1957 (1960) (47)
Evidence for magnetic field aligned currents during the substorms of March 18, 1969 (1971) (47)
On the rotation of the polar cap potential pattern and associated polar phenomena (1983) (47)
Systematic study of plasma flow during plasma sheet thinnings (1977) (47)
What is a Magnetospheric Substorm (1979) (47)
A neutral line discharge theory of the aurora polaris (1961) (47)
Solar wind variations and geomagnetic storms - A study of individual storms based on high time resolution ISEE 3 data (1985) (46)
Dynamics of the aurora—V: Poleward motions (1966) (45)
Field-aligned currents and ionospheric electric fields (1977) (45)
Dayside and nightside auroral arc systems (1980) (45)
Saturation of the auroral electrojet current and the polar cap potential (1990) (45)
Simultaneous observations of auroras from the south pole station and of precipitating electrons by Isis 1 (1973) (45)
Outflow of plasma from the magnetotail into the magnetosheath (1972) (44)
The latitudinal shift of the auroral belt (1964) (44)
Dynamics of the aurora—VI: Formation of patches and their eastward motion (1966) (43)
The interplanetary and solar causes of geomagnetic activity (1990) (43)
A note on the accuracy of the auroral electrojet indices (1983) (43)
The structure of the solar plasma flow generated by solar flares (1967) (42)
Prediction of development of geomagnetic storms using the solar wind-magnetosphere energy coupling function ϵ (1981) (42)
Search for the magnetic neutral line in the near‐Earth plasma sheet, 1. Critical reexamination of earlier studies on magnetic field observations (1976) (42)
The relation between the polar cap auroral arc and the auroral oval arc (1976) (42)
Small‐scale auroral arc deformations (1983) (41)
On the relationship of the polar cap current system to the north‐south component of the interplanetary magnetic field (1979) (41)
THE ENHANCEMENT OF THE EQUATORIAL ELECTROJET DURING POLAR MAGNETIC SUBSTORMS (1963) (41)
ON THE ASSOCIATION BETWEEN SUBVISUAL RED ARCS AND THE DST H DECREASE (1963) (41)
The Auroral electrojet and field-aligned current (1976) (41)
Day‐to‐day and average magnetic variations along the IMS Alaska Meridian Chain of observatories and modeling of a three‐dimensional current system (1980) (40)
LARGE-SCALE AURORAL MOTIONS AND POLAR MAGNETIC DISTURBANCES. III. THE AURORA AND MAGNETIC STORM OF 11 FEBRUARY 1958 (1962) (40)
Plasma flows and magnetic field vectors in the plasma sheet during substorms (1978) (40)
Two substorm studies of relations between westward electric fields in the outer plasmasphere, auroral activity, and geomagnetic perturbations (1972) (39)
Temporal and spatial variations of the polar cap dimension inferred from the precipitation boundaries (1985) (39)
Interplanetary magnetic field asymmetries and their effects on polar cap absorption events and forbush decreases. (1965) (39)
Low latitude negative bays (1968) (39)
Incoherent scatter radar observations of westward electric fields. II. [in ionosphere] (1974) (39)
Auroral displays near the ‘foot’ of the field line of the ATS-5 satellite (1974) (39)
A source of auroral electrons and the magnetospheric substorm current systems (2003) (39)
The main phase of magnetic storms and the ring current (1963) (39)
A comparison of the observed mid-latitude magnetic disturbance fields with those reproduced from the high-latitude modeling current system (1984) (39)
Observations of the auroral oval and a westward traveling surge from the Isis 2 satellite and the Alaskan meridian all‐sky cameras (1973) (38)
The absence of the hydrogen emission (Hβ) in the westward traveling surge (1969) (38)
The topology of the auroral oval as seen by the Isis 2 scanning auroral photometer (1975) (37)
Auroral Substorms: Search for Processes Causing the Expansion Phase in Terms of the Electric Current Approach (2017) (37)
Dawn‐dusk gradient of the precipitation of low‐energy electrons over the polar cap and its relation to the interplanetary magnetic field (1977) (37)
The latitudinal distributions of auroral zone electric fields and ground magnetic perturbations and their response to variations in the interplanetary magnetic field (1978) (36)
Importance of auroral features in the search for substorm onset processes (2010) (36)
Energy source and mechanisms for accelerating the electrons and driving the field-aligned currents of the discrete auroral arc (1976) (36)
Polar solar daily geomagnetic variations on exceptionally quiet days (1967) (36)
Power transmission from the solar wind-magnetosphere dynamo to the magnetosphere and to the ionosphere: Analysis of the IMS Alaska meridian chain data (1981) (36)
Auroral oval photographs from the DMSP 8531 and 10533 satellites (1976) (36)
On the Abnormal Depression of Sq(H) under the Equatorial Electrojet in the Afternoon (1972) (35)
Relationship of radar aurora, visual aurora, and auroral electrojets in the evening sector (1976) (35)
Ionospheric currents obtained from the Chatanika radar and ground magnetic perturbations at the Auroral latitude (1976) (35)
Solar-wind disturbances and the solar wind-magnetosphere energy coupling function (1983) (35)
Observed correlations between interplanetary magnetic field variations and the dynamics of the auroral oval and the high-latitude ionosphere (1974) (35)
Magnetospheric substorms in the distant magnetotail observed by Imp 3 (1971) (35)
THE ANOMALOUS ENTRY OF LOW-RIGIDITY SOLAR COSMIC RAYS INTO THE GEOMAGNETIC FIELD (1963) (35)
The aurora and the magnetosphere - The Chapman Memorial Lecture. [dynamo theory development, 1600-present] (1974) (34)
Magnetospheric substorms on September 14, 1968 (1971) (34)
A model current system for the magnetospheric substorm (1976) (33)
Periodically structured Pc 1 micropulsations during the recovery phase of intense magnetic storms (1973) (33)
Calibration of the kinematic method of studying solar wind disturbances on the basis of a one-dimensional MHD solution and a simulation study of the heliosphere disturbances between 22 november and 6 december 1977 (1985) (32)
On the formation of the storm-time ring current belt (2000) (32)
Where is the magnetic energy for the expansion phase of auroral substorms accumulated? (2013) (32)
Real-time forecasting of ICME shock arrivals at L1 during the "April Fool's Day" epoch: 28 March - 21 April 2001 (2002) (32)
Results from a meridian chain of observatories in the Alaskan sector (I) (1971) (31)
Magnetospheric substorms: An equivalent circuit approach (1988) (31)
Global ionospheric current distributions during substorms (1984) (31)
A modeling of the magnetospheric substorm (1975) (31)
The development of geomagnetic storms without a preceding enhancement of the solar plasma pressure. (1965) (31)
A first generation numerical geomagnetic storm prediction scheme (1986) (31)
Geomagnetic storm particles in the high-latitude magnetotail. (1971) (30)
Plasma injection events at synchronous orbit related to positive DST (1982) (30)
The neutral hydrogen flux in the solar plasma flow. i. (1964) (30)
The significance of magnetospheric research for progress in astrophysics (1978) (30)
Imaging the Earth's magnetosphere (1989) (30)
Field‐aligned currents and the auroral electrojet in the morning sector (1976) (30)
Simultaneous observations of discrete and diffuse auroras by the Isis 2 satellite and airborne instruments (1976) (30)
A possible current system associated with the Sqp variation (1973) (29)
Dynamics of the aurora—VII Equatorward motions and the multiplicity of auroral arcs (1966) (29)
Major auroral substorm features in the dark sector observed by a USAF DMSP satellite (1974) (29)
Comparison of two modeling methods for three‐dimensional current systems (1981) (29)
The Solar Wind and the Earth (1987) (29)
Discrete, continuous, and diffuse auroras (1974) (28)
SEARCH FOR THE MAGNETIC NEUTRAL LINE IN THE NEAR-EARTH PLASMA SHEET 3. AN EXTENSIVE STUDY OF MAGNETIC FIELD OBSERVATIONS (1977) (28)
Short-period interplanetary and polar magnetic field variations (1973) (28)
Thickness of an active auroral curtain (1961) (28)
Dynamo action in the ionosphere and motions of the magnetospheric plasma: III. The pedersen conductivity, generalized to take account of acceleration of the neutral gas (1965) (28)
Dynamo process governing solar wind-magnetosphere energy coupling (1982) (27)
On the continuity of the auroral oval (1970) (27)
Complete plasma dropouts at vela satellites during thinning of the plasma sheet (1975) (26)
On the ring current energy injection rate (1983) (26)
The latitude of auroral activity during periods of zero and very weak magnetic disturbance (1965) (26)
The development of geomagnetic storms after a negative sudden impulse. (1964) (26)
On the origin of the cusp field-aligned currents (1985) (26)
Magnetospheric Substorm as a Discharge Process (1969) (26)
Exploring the Secrets of the Aurora (2002) (25)
Global distribution of the Pedersen and Hall Currents and the electric potential pattern during a moderately disturbed period (1981) (25)
A mechanism for the formation of plasmoids and kink waves in the heliospheric current sheet (1988) (25)
A new method of mapping worldwide potential contours for ground magnetic perturbations: Equivalent ionospheric current representation (1976) (25)
Solar Terrestrial Physics (1972) (25)
Evaluation of solar Type II radio burst estimates of initial solar wind shock speed using a kinematic model of the solar wind on the April 2001 solar event swarm (2002) (25)
The Sq variation at geomagnetically conjugate areas (1963) (25)
Auroral Observations Using Automatic Optical Instruments : Relations with Multiple Pi 2 Magnetic Pulsations (1996) (24)
A study of the propagation of solar particles in interplanetary space - the center-limb effect of the magnitude of cosmic-ray storms and of geomagnetic storms. (1965) (24)
Need for a three‐dimensional analysis of magnetic fields in the magnetotail during substorms (1978) (24)
Magnetospheric substorms and solar flares (1979) (24)
Trends and variations in Arctic Climate System (2002) (24)
Prediction of the occurrence and intensity of magnetospheric substorms (1979) (24)
A simulation study of two major events in the heliosphere during the present sunspot cycle (1985) (24)
Predicting geomagnetic storms as a space weather project (2002) (24)
Dependence of the geometry of the region of open field lines on the interplanetary magnetic field (1981) (24)
Impulsive energetic electron fluxes in the distant magnetotail associated with the onset of magnetospheric substorms (1971) (24)
On the cause of northward magnetic field along the negative X axis during magnetospheric substorms (1974) (24)
Cross‐polar cap potential drop and the energy coupling function (1984) (23)
A note on the lifetime of the ring current particles (1982) (23)
Electric and magnetic field observations during a substorm on February 24, 1970 (1974) (23)
Polar cap arcs and the open regions (1983) (23)
Propagation of a westward traveling surge and the development of persistent auroral features (1989) (23)
A mechanism for current interruption in a collisionless plasma (1978) (23)
Magnetospheric substorms - A newly emerging model (1981) (23)
A model of the auroral electric field (1979) (23)
Real-time solar wind forecasting: Capabilities and challenges (2007) (22)
Universal time variation of the Dst index and the relationship between the cumulative AL and Dst indices during geomagnetic storms (2002) (22)
Interplanetary magnetic field and magnetospheric substorms (1977) (22)
Latitudinal electron precipitation patterns during large and small IMF magnitudes for northward IMF conditions (1988) (22)
ATTENUATION OF HYDROMAGNETIC WAVES IN THE IONOSPHERE (1965) (22)
Dependence of the polar-cap geometry on the IMF (interplanetary magnetic field) (1984) (22)
Simultaneous observations of an energetic electron event in the magnetotail by the Vela 3A and Imp 3 satellites: 2. (1970) (22)
Magnetic fields on the sun and the north‐south component of transient variations of the interplanetary magnetic field at 1 Au (1985) (21)
Variations of the polar cap potential measured during magnetospheric substorms (1992) (21)
Distribution of the field‐aligned currents, ionospheric currents, and electric fields in the polar region on a very quiet day and a moderately disturbed day (1981) (21)
The Computation of the Magnetic Field of any Axisymmetric Current Distribution—with Magnetospheric Applications (1966) (21)
Study of individual geomagnetic storms in terms of the solar wind (1980) (21)
Dynamo action in the ionosphere and motions of the magnetospheric plasma: I. Symmetric dynamo action (1965) (21)
The geomagnetic storm of April 17–18, 1965 (1967) (21)
Solar wind disturbances in the outer heliosphere, caused by six successive solar flares from the same active region (1983) (21)
The dynamic aurora (1989) (21)
Electrical changes of the polar ionosphere during magnetospheric substorms (1986) (21)
The ring current and the outer atmosphere (1960) (21)
An essay on sunspots and solar flares (1984) (20)
The auroral energy deposition over the polar ionosphere during substorms (1989) (20)
Growth and decay of the ring current and the polar electrojets (1966) (20)
Radial deformation of the solar current sheet as a cause of geomagnetic storms (1979) (20)
Auroral substorms as an electrical discharge phenomenon (2015) (20)
Evolution of ideas in solar-terrestrial physics (1983) (20)
The relationship between the magnetosphere and magnetospheric/auroral substorms (2013) (20)
The solar wind-magnetosphere dynamo and the magnetospheric substorm (1975) (20)
Spherical harmonic analysis of worldwide cosmic ray variations during geomagnetic storms (1971) (20)
A Historical Review of the Geomagnetic Storm-Producing Plasma Flows from the Sun (2011) (19)
Relationship between the growth of the ring current and the interplanetary quantity ε (1979) (19)
The magnetic moment of model ring current belts and the cutoff rigidity of solar protons (1963) (19)
On the Present Halting of Global Warming (2013) (19)
An improved method to deduce the unloading component for magnetospheric substorms (2000) (19)
A study of the polar current systems using the IMS meridian chains of magnetometers (1983) (19)
A model of the open magnetosphere (1974) (19)
Assessing the magnetic reconnection paradigm (1994) (18)
Vortical distribution of sunspots (1985) (18)
Intense negative bays inside the auroral zone—I The evening sector (1967) (18)
Explosive magnetic reconnection: Puzzle to be solved as the energy supply process for magnetospheric substorms? (1985) (18)
One-dimensional kinematics of particle stream flow with application to solar wind simulation (1985) (18)
A large change in the distribution of the auroras during the 11 February 1958 magnetic storm (1962) (17)
Coexistence of two substorms in the midnight sector (1977) (17)
The solar coronal sheet during the period of sunspot maximum (1993) (17)
Electrodynamics of solar wind-magnetosphere-ionosphere interactions (1989) (17)
The day-sector polar F-layer during a magnetospheric substorm (1973) (17)
On the ionospheric heating by hydromagnetic waves connected with geomagnetic micropulsations (1960) (17)
Geomagnetic disturbances in the polar cap: Spq and DP-2 (1972) (17)
Large-scale auroral motions and polar magnetic disturbances—II The changing distribution of the aurora during large magnetic storms (1962) (17)
The global joule heat production rate and the AE index (1985) (17)
POLAR MAGNETIC SUBSTORM IN THE EVENING SECTOR. (1967) (17)
Weak and intense substorms (1975) (16)
Temperature variation of the plasma sheet during substorms (1981) (16)
Electron precipitation equatorward of the auroral oval and the mantle aurora in the midday sector (1983) (16)
The structure of the polar ionosphere during exceptionally quiet periods (1973) (16)
Correlated observations of several auroral substorms on February 17, 1971 (1976) (16)
INTENSE NEGATIVE BAYS INSIDE THE AURORAL ZONE. II. INDENTED POSITIVE BAY. (1967) (16)
The dynamics of the aurora—III westward drifting loops (1965) (16)
On the reversal of the dipolar field of the Sun and its possible implication for the reversal of the Earth's field (1987) (16)
Total current of the auroral electrojet estimated from the IMS Alaska meridian chain of magnetic observatories (1982) (16)
Numerical modeling of ionospheric parameters from global IMS magnetometer data for the CDAW-6 intervals (1983) (16)
Ring current effects on cosmic rays (1968) (16)
Changes of the size of the open field line region during substo rms (1992) (16)
DEFORMATION OF MAGNETIC SHELLS DURING MAGNETIC STORMS (1963) (16)
Solar observation-based model for multiday predictions of interplanetary shock and CME arrivals at Earth (2004) (16)
North/South Asymmetry of sc/si Magnetic Variations Observed along the 210゜Magnetic Meridian (1996) (16)
An improvement of the Kamide-Richmond-Matsushita Scheme for the estimation of the three-dimensional current system (1985) (15)
Heliospheric current sheet and its solar cycle variations (1986) (15)
Latitudinal dependence of solar wind speed (1987) (15)
The polar caps (1985) (15)
A note on the DP-2variation (1973) (15)
Comparison of “Electrojet” Indices from the northern and southern hemispheres (1991) (15)
Auroral Morphology: A Historical Account and Major Auroral Features During Auroral Substorms (2013) (15)
Passage of the solar current disk and major geomagnetic storms (1981) (15)
A Remarkable Recent Transition in the Solar Dynamo (2016) (14)
Quadruple conjugate pair observations of the sudden commencement absorption event on June 17, 1965 (1972) (14)
The SQ P magnetic variation, equivalent current, and field‐aligned current distribution obtained from the IMS Alaska Meridian Chain of magnetometers (1980) (14)
Search for the “unknown” quantity in the solar wind: A personal account (1996) (14)
Some new thoughts on magnetospheric substorms (1973) (14)
Substorm currents in the equatorial magnetotail (1993) (14)
Substorm research moves toward a unifying framework (1998) (14)
Some critical issues on magnetospheric substorms (1986) (14)
Solar wind disturbances caused by solar flares: Equatorial plane (1983) (14)
Plane‐of‐sky simulations of interplanetary shock waves (2003) (13)
Electrical resistivity measurements in permafrost terrain at the Engineer Creek road cut, Fairbanks, Alaska (1980) (13)
Alignment of auroral arcs (1972) (13)
The continuity of the auroral oval in the afternoon sector (1975) (13)
Electric currents in power transmission line induced by auroral activity (1979) (13)
The sunspot cycle variations of the neutral line on the source surface (1989) (13)
A model of the heliospheric magnetic field configuration (1980) (13)
Simulated Solar Mass Ejection Imager and “Solar Terrestrial Relations Observatory‐like” views of the solar wind following the solar flares of 27–29 May 2003 (2008) (13)
Aurora and electrojet configuration in the early morning sector (1984) (13)
Convection Patterns in the Polar Ionosphere for Northward IMF Inferred from Ground-Based Magnetometer Data (1987) (13)
Outer Atmospheric Oscillation and Geomagnetic Micropulsation (1956) (13)
AIRBORNE OBSERVATION OF THE MIDDAY AURORA. (1969) (13)
Importance of initial ionospheric conductivity on substorm onset (1982) (13)
Effects of the Sun. (Book Reviews: Solar-Terrestrial Physics. An Account of the Wave and Particle Radiations from the Quiet and the Active Sun, and of the Consequent Terrestrial Phenomena) (1972) (12)
Imaging the plasmasphere and trough regions in the extreme-ultraviolet region (1994) (12)
A representation of the magnetic neutral line on the solar source surface in terms of the Sun's axial dipole at the center and two equatorial dipoles in the photosphere (1989) (12)
Substorms: Future of magnetospheric substorm—Storm research (1989) (12)
The interaction between a magnetized plasma flow and a magnetized celestial body: A review of magnetospheric studies (1978) (12)
Solar activity and modulation of the cosmic ray intensity (1985) (12)
A high time resolution study of the solar wind-magnetosphere energy coupling function (1982) (12)
Physics of auroral arc formation Proceedings of the Chapman Conference on Formation of Auroral Arcs, Fairbanks, AK, July 21-25, 1980 (1981) (12)
Recent progress in studies of magnetospheric storms and substorms. (1980) (12)
Auroral effects on power transmission line systems (1982) (12)
The development of the Forbush decrease and the geomagnetic storm fields (1966) (12)
Response of the plasma sheet at ∼18 RE to sudden southward turnings of the interplanetary magnetic field (1975) (12)
Magnetic field of the average substorm current system in middle and low latitudes (1981) (12)
Distribution of field-aligned currents and expected magnetic field perturbations Resulting from auroral currents along circular orbits of satellites (1980) (12)
The IMF By effects observed by the IMS Alaska Meridian Chain (1980) (11)
Modeling of an interplanetary disturbance event tracked by the interplanetary scintillation method. Scientific Report No. 5 (1989) (11)
Interaction Between a Magnetized Plasma Flow and a Strongly Magnetized Celestial Body with an Ionized Atmosphere: Energetics of the Magnetosphere (1982) (11)
Is the Earth still recovering from the "Little Ice Age"? A possible cause of global warming (2007) (11)
Solar wind-magnetosphere coupling and the distant magnetotail - ISEE-3 observations (1986) (11)
Ring current energy injection rate and solar wind-magnetosphere energy coupling (1982) (11)
Auroral Substorm and Associated Magnetic Disturbances (1968) (11)
Red auroras in the morning sector (1973) (11)
A Review of Studies of Geomagnetic Storms and Auroral/Magnetospheric Substorms Based on the Electric Current Approach (2021) (10)
Magnetospheric substorm observations near the neutral sheet (1971) (10)
High latitude equivalent current systems during extremely quiet times (1974) (10)
Single spots, unipolar magnetic regions, and pairs of spots: 2. The development of sunspot pairs and the Hale boundary (2015) (10)
A confirmation of the validity of the electric current distribution determined by a ground-based magnetometer network (1992) (10)
A method for determining corotating interaction regions in the equatorial plane of the heliosphere from solar wind velocity data (1986) (10)
Single spots, unipolar magnetic regions, and pairs of spots (2014) (10)
Changes in the global electric fields and currents for March 17-19, 1978 from six IMS meridian chains of magnetometers (1982) (10)
Magnetic field configuration of the heliosphere in interstellar space (1981) (10)
Geomagnetic Diagnosis of the Magnetosphere (Physics and Chemistry in Space, Volume 9) (1979) (10)
The magnetic field of the radiation belts (1962) (10)
On a self-consistent calculation of the ring current field (1962) (10)
A GLOBAL MODEL OF THE SUBSTORM CURRENT SYSTEM (1992) (9)
Quantitative forecasting of the 27-day recurrent magnetic activity (1988) (9)
Formation of auroral patches in the midday sector during a substorm (1972) (9)
Effects of the passage of an IMF discontinuity on the polar cap geometry and the formation of a polar cap arc (1984) (9)
Agreements between ground-based and satellite-based observations. [of earth magnetospheric currents] (1990) (9)
A modeling of magnetic field variations during magnetospheric substorms (1980) (9)
Dependence of the amount of open magnetic flux on the direction of the interplanetary magnetic field (1980) (9)
The signature of large‐scale auroral structure in radio wave absorption (1980) (9)
A simulation study of distortion of the heliospheric sheet caused by solar activity (1985) (9)
A Study of Auroral Displays Photographed from the DMSP-2 and ISIS-2 Satellites (1975) (9)
The aurora: an electrical discharge phenomenon surrounding the Earth (1981) (9)
The behavior of midday auroras during substorms. (1973) (9)
A search for the interplanetary quantity controlling the development of geomagnetic storms (1979) (9)
Cosmic-ray variations and the interplanetary sector structures. (1971) (9)
Average daily magnetic variation pattern and its equivalent current pattern determined by the IMS Alaska Meridian Chain of observatories (1979) (9)
A two-step scenario for both solar flares and magnetospheric substorms: Short duration energy storage (2009) (9)
The three-dimensional geometry of the heliospheric current sheet (1985) (9)
Auroral activity in the evening sector (1967) (9)
Key Links to Space Weather: Forecasting Solar-Generated Shocks and Proton Acceleration (2005) (9)
A Review of the Current Understanding in the Study of Geomagnetic Storms (2018) (9)
Equatorward shift of the cusp during magnetospheric substorms (1981) (9)
Sunspot pair formation by the photospheric dynamo process (1984) (8)
Polar Magnetic Substorm (1968) (8)
Hall current as a source of the cross-tail current interruption, the asymmetric main phase field and the poleward expanding auroral bulge (1982) (8)
Associations of IMF polarity, plasma sheet thinning, and substorm occurrence on March 6, 1970 (1976) (8)
Where is the magnetic energy for the expansion phase of auroral substorms accumulated? 2. The main body, not the magnetotail (2017) (8)
Aurora Borealis: The Amazing Northern Lights (1979) (8)
Aurora Borealis: The Amazing Northern Lights (1979) (8)
A systematic shift of the DS axis (1967) (8)
A theoretically derived energy coupling function for the magnetosphere (1981) (8)
First results from the north polar auroral radar (1973) (8)
Modeling of a series of interplanetary disturbance events in September 1978 (1990) (8)
Evolution of magnetic configurations in the plasma sheet during a substorm on March 19, 1978 (1991) (8)
A model midnight meridian magnetospheric field. (1969) (8)
Imaging the earth's magnetosphere: Effects of plasma flow and temperature (1991) (8)
Diagnostics of the magnetosphere using geomagnetic, auroral and airglow phenomena. (1970) (8)
Coupling between the Solar Wind and the Earth’s Magnetosphere: Summary Comments (1986) (8)
The auroral rays (1963) (8)
Variations of three‐dimensional anisotropy of cosmic rays during Forbush decreases (1973) (8)
Streaming reversal of energetic particles in the magnetotail during a substorm (1984) (7)
Magnetospheric convection at a low level power ϵ (1982) (7)
Substorm current in the equatorial plane of the magnetosphere deduced from ground‐based magnetometer chain records (1996) (7)
Transequatorial magnetic flux loops on the Sun as a possible new source of geomagnetic storms (2007) (7)
Toward a closer integration of magnetospheric research: Magnetospheric currents inferred from ground‐based magnetic data (1998) (7)
On the explosive nature of auroral substorms and solar flares: The electric current approach (2019) (7)
Mercury Orbiter: Report of the Science Working Team (1991) (7)
Dynamo action in the ionosphere and motions of the magnetospheric plasma: II. Deformation of the radiation belts due to the electrostatic field produced by ionospheric winds (1965) (7)
The midday red aurora observed at the South Pole on August 5, 1972 (1974) (7)
A comprehensive view of solar-terrestrial relationships in terms of a chain of four dynamo-powered plasma acceleration processes (1983) (7)
Auroral Substorms Paradigm Shifts in Research (2010) (7)
Auroral observations by the constant local time flight (1968) (7)
Inversion of the Auroral Electrojets from Magnetometer Chain Data Based on the Flexible Tolerance Method (1993) (6)
Geomagnetic storm fields near a synchronous satellite (1971) (6)
Non-uniform growth of the ring current belt. (1969) (6)
A model of coupled radial and azimuthal current loops associated with substorms (1990) (6)
A new era in magnetospheric research (1992) (6)
The normality of the SD variation at Huancayo and the asymmetry of the main phase of geomagnetic storms. (1967) (6)
ON THE THREE-DIMENSIONAL STRUCTURE OF THE SOLAR PLASMA FLOW GENERATED BY SOLAR FLARES. (1967) (6)
Corrections to papers concerning magnetic effects of model ring currents (1967) (6)
Auroral Arcs and Auroral Potential Structure (2013) (6)
A study of magnetic storms and auroras (1961) (6)
Evolution of magnetic flux ropes associated with flux transfer events and interplanetary magnetic clouds (1991) (6)
Solar Wind-Magnetosphere Energy Coupling (1983) (6)
Predicting the movement of volcanic ash clouds (1993) (6)
Some features of the magnetic storms of July 1959 and tentative interpretations (1960) (6)
Chapman and Alfvén: A rigorous mathematical physicist versus an inspirational experimental physicis (2003) (6)
AURORAL MORPHOLOGY AS SHOWN BY ALL-SKY PHOTOGRAPHS (1965) (6)
Relationship Between Geomagnetic Storms and Auroral/Magnetospheric Substorms: Early Studies (2020) (5)
Distribution of aurora and ionospheric currents observed simultaneously on a global scale (2013) (5)
The Explosive Characteristics of the Aurora: The Electric Current Line Approach (2019) (5)
The Rise and Fall of Paradigms and Some Longstanding Unsolved Problems in Solar-Terrestrial Physics (1998) (5)
Effects of the interplanetary magnetic field on the magnetotail structure - Large-scale changes of the plasma sheet during magnetospheric substorms (1980) (5)
Effects of the IMF on the plasma sheet (1986) (5)
Photographs of the front of the expanding auroral bulge during an auroral substorm. (1972) (5)
A new field‐aligned current index AF and its relation to the storm‐time ring current and energetic neutral atom (ENA) emissions (2002) (5)
Physical Processes for the Onset of Magnetospheric Substorms (1979) (5)
Pseudobreakups During January 10, 1997 (1998) (5)
The geomagnetic and cosmic-ray storm of May 25/26, 1967 (1969) (5)
Dawn-dusk asymmetry of the tail region of the magnetosphere of Saturn and the interplanetary magnetic field (1982) (5)
A plasma simulation study of the transformation from a closed to an open magnetic configuration (1986) (5)
Dependence of the region II field-aligned currents on ionospheric conductivity gradients (1987) (5)
The significance of the multiple structure of the auroral arc. (1967) (5)
Irregular pulsations of the morning sky brightness (1969) (5)
Aurora: Observing and Recording Nature's Spectacular Light Show (2008) (5)
Comparison of auroral ovals from all-sky camera studies and from satellite photographs (1979) (4)
The Earth's magnetosphere (1975) (4)
Model Ring Current Belts (1966) (4)
Multiple X-line reconnection in the earth's magnetosphere (1987) (4)
Are solar flares a result of a sudden conversion of magnetic energy stored prior to their onset? (1981) (4)
Auroral substorm and magnetospheric substorm. (1968) (4)
Linking ground‐ and space‐based observations in space physics (1993) (4)
Numerical modeling of ionospheric parameters from global IMS (International Magnetospheric Study) magnetometer data for the CDAW-6 intervals (1983) (4)
The choice of the concept of magnetic field lines or of electric current lines: Alfvén medal lecture (2011) (4)
A note on variations of the IMF Bz, and the AE index between 1966 and 1984 in terms of monthly and yearly mean values (1988) (4)
Reply to comment by Y. I. Feldstein, V. G. Vorobjev, and V. L. Zverev on “The importance of auroral features in the search for substorm onset process” (2011) (4)
A New Morphology of Solar Activity and Recurrent Geomagnetic Disturbances: The Late-Declining Phase of the Sunspot Cycle (2005) (4)
An electric-current description of solar flares (1988) (4)
Is the earth's dipole actually inclined with respect to the rotation axis? (1990) (4)
The electric current approach in the solar–terrestrial relationship (2017) (4)
Estimated north‐south component of the electric field in the geomagnetotail plasma sheet (1980) (4)
Relationships between the geomagnetic micropulsation and the solar UM region (1956) (4)
Ionospheric conductivity dependence of the cross-polar cap potential difference and global Joule heating rate. Final report (1988) (4)
A Simulation Study of the Formation of Solar Prominences (2013) (4)
The source surface and photospheric magnetic field models (1991) (4)
The abnormally early appearance of active auroras (1967) (4)
Magnetic energy conversion, magnetospheric substorms and solar flares (1980) (4)
Entry of solar wind particles into Earth's magnetosphere (1989) (4)
Large-scale auroral distribution and the open-field-line region (1984) (4)
Magnetic field configuration of the heliosphere and spiral galaxies (1982) (4)
Observations of the Van Allen radiation regions during August and September 1959: 5. Visual auroras, high‐altitude X‐ray bursts, and simultaneous satellite observations (1962) (4)
Energy Supply Processes for Solar Flares and Magnetospheric Substorms (2001) (3)
The aurora: an electrical discharge process around the earth (1978) (3)
Real-Time Space Weather Forecasting Driven by Solar Observations (2002) (3)
Prediction of the IMF BZ Using A 3‐D Kinematic Code (2002) (3)
Reply [to “Comment on ‘Search for the magnetic neutral line in the near-Earth plasma sheet 2. Systematic study of Imp 6 magnetic field observations’ by A. T. Y. Lui, C.-I. Meng, and S.-I. Akasofu (1978) (3)
The magnetospheric currents - An introduction (2013) (3)
Magneto-hydrodynamic waves in the ionosphere (1959) (3)
The abnormally early appearance of the eastward motion of auroras in the evening (1967) (3)
Long-Standing Unsolved Problems in Solar–Terrestrial Physics (2007) (3)
Paradigm transitions in solar–terrestrial physics from 1900: my personal view (2015) (3)
Separation of the Directly Driven and the Unloading Components in the Ionospheric Electrodynamic Parameters during Substorms (1998) (3)
Correction [to “Systematic study of plasma flow during plasma sheet thinnings”] (1979) (3)
A magnetospheric storm with a nearly constant input rate for about 24 hours (1985) (3)
A simulation study of V-potential double layers and auroral arc deformations (2013) (3)
Laboratory Evaluation of Energetic Coupling Between the Solar Wind and the Magnetosphere (1989) (3)
Simulation of January 1--7, 1978, events (1987) (3)
New scheme provides a first step toward geomagnetic storm prediction (1996) (3)
Plasma Corona and Dust Corona of the Sun (1994) (3)
Magnetotail Phenomena during Magnetospheric Substorms (1977) (3)
Key Links in Space Weather Forecasting: Solar-Generated Shocks and Proton Acceleration (2003) (3)
Proton Aurora Substorm (1968) (3)
A Suggestion to Climate Scientists and the Intergovernmental Panel on Climate Change (2008) (3)
The Importance of Synthesis: A Suggestion for International Research Efforts (2007) (3)
Global warming has been halted: is global warming by the greenhouse gases significant? (2018) (2)
The ionosphere as the base of the magnetosphere. (1969) (2)
Geomagnetic Storms and Auroras (1967) (2)
Announcement – Space Science Reviews Provides an Opportunity to Debate: Challenges to Long-Standing Unsolved Space Physics Problems in the 20th Century (1999) (2)
STORM-TIME RADIATION BELT. (1968) (2)
Symposium on the morphology and physics of magnetospheric substorms: XVth General Assembly of IUGG, Moscow, August 1971 (1972) (2)
Magnetosphere and magnetospheric substorm (1976) (2)
The scientific legacy of Sydney Chapman (2011) (2)
An Observation-based Hybrid 3D-MHD Solar Wind Modeling System, H3DM (2003) (2)
Distribution of Plasmas in the Magnetosphere (1977) (2)
A new morphological theory on the formation of sunspots (2018) (2)
A note on the energy transfer from the solar wind to the magnetosphere (1984) (2)
The Alaska IMS meridian chain : magnetic variations for 9 March-27 April 1978 (1980) (2)
A study of the interplanetary disturbances on 1–4 April 1979 (1988) (2)
An explanation for both the large inclination and eccentricity of the dipole-like field of Uranus and Neptune (1991) (2)
Responses of the Magnetosphere to Interplanetary Disturbances (1977) (2)
A Note on the Chapman‐Ferraro Theory (2013) (2)
Reply [to “Comment on ‘Magnetic field on the sun and the north‐south component of transient variation of the interplanetary magnetic field at 1 AU’ by F. Tang et al.”] (1986) (2)
The Relationship Between the Auroral Electrojets, Field-Aligned Currents and the Ring Current (1998) (2)
The development of geomagnetic and auroral storms. (1966) (2)
Two Natural Components of the Recent Climate Change (2009) (2)
Advances made in determining magnetospheric current systems (2000) (2)
A new and quantitative prediction scheme for solar flares (2018) (2)
VLF Emission Substorm (1968) (2)
Equivalent ion[o]spheric current representations by a new method, illustrated for 8-9 November 1969 magnetic disturbances (1976) (2)
Current interruption by density depression (1985) (2)
Jack B. Townshend: 50 years of service (1993) (2)
Laboratory simulation of the interplanetary magnetic field effects on the magnetosphere (1986) (2)
Progress in substorm research (1992) (1)
A morphological study of unipolar magnetic fields and the relationship with sunspots (2021) (1)
Space Weather Research (2007) (1)
Soviet geomagnetism, aeronomy and solar‐terrestrial physics (1969) (1)
Magnetospheric Substorms: Introduction (1977) (1)
Energy flow and dynamical coupling in the solar wind‐magnetosphere‐ionosphere system (1983) (1)
Photospheric dynamo as the power supply process for solar flares: Electric current approach (2018) (1)
Imaging the plasmasphere and trough regions in the extreme ultraviolet (1992) (1)
Space Plasma Physics: A Review (2022) (1)
Book Review: The solar wind and the earth. / Reidel, 1987 (1987) (1)
A new consideration on the formation of sunspots (2018) (1)
The aurora - New light on an old subject (1982) (1)
The absence of the hydrogen emission (1969) (1)
Why Does the Aurora Flare Up (2014) (1)
Dispersion Relation of Magneto-hydronynamic Waves in the Ionosphere and its Application to Shock Wave (1956) (1)
A simulation study of the formation of a bipolar magnetic structure (1984) (1)
Origin of the Auroral Electric Field. (1977) (1)
Three-Dimensional Structure of the Heliospheric Current Sheet (1986) (1)
Electric Current Approach Studying Both Auroral Substorms and Solar Flares Together (2020) (1)
More details on early auroral research: Reply to Comment on “Auroral substorms: Paradigm shifts in research” (2011) (1)
Magnetotail variations near 60 R(E) associated with geomagnetic activity along the auroral zone (1974) (1)
Announcement – Space Science Reviews Provides an Opportunity to Debate: Challenges to Long-Standing Unsolved Space Physics Problems in the 20th Century (1999) (1)
Development of a Geomagnetic Storm Prediction Scheme. (1985) (1)
Stronger Collaborations Needed for Successful Space Weather Research (2007) (1)
Penetrating Convection Electric Field, Plasma Injection and Plasmasphere Disturbances (1977) (1)
Auroras and Auroral Particles (1977) (1)
On the Causes of the Slow Solar Wind: Part I (2021) (1)
LONG-STANDING UNSOLVED PROBLEMS IN SOLAR PHYSICS AND MAGNETOSPHERIC PHYSICS (2005) (1)
The growth and decay of the main phase of the September 21-23, 1963 magnetic storm. (1972) (1)
Magnetotail and boundary layer plasmas at a geocentric distance of approx.18R/subE/: Vela 5 and 6 observations (1973) (1)
A STUDY OF MAGNETIC STORMS AND AURORAS. Scientific Report NO. 7 (1961) (1)
When I Encountered Difficult Problems (2022) (1)
Recent Progress in Antarctic Auroral Studies (2013) (1)
The solar/interplanetary/magnetosphere/ionosphere connection - A strategy for prediction of geomagnetic storms (1985) (1)
Energy supply processes for magnetospheric substorms and solar flares: Tippy bucket model or pitcher model? (1985) (1)
AURORAL OBSERVATIONS AT THE SOUTH POLE. (1969) (1)
On the Causes of the Slow Solar Wind: 1. The Solar Unipolar Induction Currents (2021) (1)
The auroral oval and the internal structure of the magnetosphere. (1967) (1)
New Theory of the Aurora Polaris (1961) (1)
Solar Cycle Review (General Aspects) (2013) (0)
Syntheses, Creativity and Paradigm Change (2019) (0)
A study of the magnetic field annihilation process in the magnetosphere and some geotechnical applications: Summary progress report and projected work, August 1, 1986-July 31, 1987 (1987) (0)
The Helicoidal Structures in the Cosmical Electrodynamics (1958) (0)
A note on the magnetic network of photospheric magnetic fields (1985) (0)
THE MAGNETIC FIELD OF A MODEL PROTON BELT (1962) (0)
On the importance of the natural components in climate change study: Temperature rise in the study of climate change (2021) (0)
A study of magnetic field reconnection and plasma processes in the magnetosphere (1990) (0)
A Note on the Baseline in Considering the Ice Age (2014) (0)
Are substorms that occur during magnetic storm main phases different? If so, how? (2001) (0)
Need for Morphological Study in Natural Sciences (2023) (0)
Comments on Some Long‐Standing Problems in Storm/Substorm Studies (2013) (0)
Aftermath of Global Warming Hysteria (2010) (0)
A study of magnetic field annihilation and aurora-induced currents in a power transition line and in the Trans-Alaskan pipeline: Final technical report (1986) (0)
Relationship between the growth of the ring current and the interplanetary quantity. [solar wind energy-magnetospheric coupling parameter correlation with substorm AE index] (1979) (0)
Magnetospheric polar cap (1985) (0)
The Recovery from the Little Ice Age ( A Possible Cause of Global Warming ) and The Recent Halting of the Warming ( The Multi-decadal Oscillation ) (0)
A study of the relationship between solar activity and interplanetary field variations (1986) (0)
260 REVERSAL PATHS ON THE EARTH AND THE SUN (1993) (0)
What causes the aurora (1992) (0)
Search for the Unknown Quantity in the Solar Wind (2007) (0)
Hydromagnetic Relationships Between the Sun and Earth (1957) (0)
Polar cap arcs and their relationship to IMF and geomagnetic activity (1988) (0)
Book-Review - Dynamics of the Magnetosphere (1981) (0)
Sydney Chapman Centennial Celebration (1988) (0)
Probing the secrets of the northern lights. (1990) (0)
SOLARWINDDISTURBANCES IN THEOUTERHELIOSPHERE (2004) (0)
Reply [to “Comment on ‘Growth and decay of the ring current and the polar electrojets’ by S.-I. Akasofu and S. Yoshida”] (1966) (0)
Solar cycle review /General aspects/. [phenomena at photosphere-chromosphere and coronal levels and in interplanetary space] (1976) (0)
Auroral energy deposition over the polar ionosphere during substorms. Technical report (1989) (0)
The polar ionosphere and interplanetary field (1987) (0)
Reply [to “Comment on ‘Using auroral spectra to detect extraterrestrial life’”] (2000) (0)
DAYTIME AURORAS AND POLAR CAP AURORAS. (1967) (0)
Modern ionospheric physics (1979) (0)
Phenomenology of Arctic Particle Precipitation. (1972) (0)
A Numerical Simulation Study of Solar Wind Disturbances Responsible for Geomagnetic and Auroral Storms. (1984) (0)
Upper atmosphere, ionosphere and magnetosphere (1979) (0)
Is the Earth’s Dipole Really Offcentered and Inclined?: Planetary Magnetic Fields (2002) (0)
Why Is It so Difficult to Make a Paradigm Change? (2021) (0)
Polar ionosphere and interplanetary field. Final report, 1 July 1985-30 June 1987 (1987) (0)
A model of the open magnetosphere. [with field configuration based on Chapman-Ferraro theory] (1974) (0)
North–south component of the interplanetary magnetic field and large scale auroral dynamics (1975) (0)
Development of the substorm current system in the equatorial plane of the magnetosphere deduced from ground-based magnetometer records (1996) (0)
Project GAMBLE: Ground‐based and airborne magnetic boundary layer experiments (1987) (0)
Auroral high latitude morphology and dynamics (1982) (0)
Arctic Ocean Sea Ice Area Extent Cyclicity and Non-Stationarity (2020) (0)
Sydney Chapman: A Biographical Sketch Based on the Book “Chapman Eighty, From His Friends” (2020) (0)
Connection Between Solar Filament Disappearance Events and Interplanetary Disturbances (1998) (0)
Auroral effects in the D region of the ionosphere (1974) (0)
The aurora as an electrical discharge phenomenon (2015) (0)
Considering the four major problems in solar physics (2021) (0)
Magnetospheric Substorms (Reports of Geophysdisc) (1977) (0)
Development of a numerical scheme to predict geomagnetic storms after intense solar events and geomagnetic activity 27 days in advance. Final report, 6 Aug 86-16 Nov 90 (1991) (0)
Reversals of the Solar Source Surface Magnetic Field and of the Planets (1993) (0)
The polar cusp: (Edited by Jan A. Holtet and Alv Egeland (xvi + 422 pp.). D. Reidel, Dordrecht, 1985. U.S. $55.00 (1986) (0)
A Short History of the Development of Space Physics Based on Studies of Geomagnetic Storms (2022) (0)
Auroras at the South Pole (1975) (0)
Geomagnetism and aeronomy: edited by A. H. Waynick. Antarctic Research Series, Vol. 4. 236 pages, diagrams, illustrations, 734 × 1012 in. Washington, D. C., The American Geophysical Union, 1965. Price, $10.00 (1966) (0)
Solar Trans-Equatorial Magnetic Flux Ropes and Their Possible Relation to Geomagnetic Storms (2005) (0)
Thermal Upward Flow in the Ionosphere (1955) (0)
Interview of Syun-Ichi Akasofu by Karen Nichols Brewster (2005) (0)
Aurora Research During the Early Space Age: Personal Account (2013) (0)
Power Supply Process for Solar Flares (2013) (0)
The basic solar wind speed distribution and its sunspot cycle variations (2023) (0)
An Ionospheric Substorm Model (1975) (0)
Correction [to “Response of the plasma sheet at ∼18 R E to sudden southward turnings of the interplanetary magnetic field”] (1975) (0)
Open Magnetosphere and the Auroral Oval (1977) (0)
The Satellite Era Cyclicity of Arctic Sea Ice Area Extent (2019) (0)
The emperor of Japan and the aurora (1986) (0)
Correction to “Observations of the right‐hand resonant ion beam instability in the distant plasma sheet boundary layer” (1986) (0)
On the High Temperature of the Corona (2021) (0)
Book Review: Radiation trapped in the earth's magnetic field. B. M. MCCORMAC (Ed): Proceedings of the Advanced Study Institute held at the Chr. Michelsen Institute, Bergen, Norway, August 16-September 3, 1965. Reidel, Dordrecht-Holland, 1966 xiv + 901. f 30. (1967) (0)
Origin of the auroral electric field. Final report, September 1976-September 1977 (1977) (0)
Low latitude v.l.f. emissions and polar substorms (1969) (0)
Plasma phenomena and the Solar System (1980) (0)
Separation of directly-driven and unloading components in the ionospheric equivalent currents during substorms by the method of natural orthogonal components (2013) (0)
Solar-Terrestrial Relations and Magnetospheric Substorms (1977) (0)
On space weather prediction (2018) (0)
Satellite Observations during Polar Substorms (1968) (0)
Reply [to Comment on “Chapman and Alfven: A rigorous mathematical physicist versus an inspirational experimental physicist”] (2003) (0)
On the low latitude ''negative bays'' in the afternoon sector (1965) (0)
On the temperature of the solar corona (2022) (0)
Editorial: Towards a Full Understanding of Magnetic Storms and Substorms (2022) (0)
Solar Flares and the Aurora (1963) (0)
Study of the magnetic field annihilation process in the magnetosphere and some applications (electric currents in the Trans-Alaska pipeline induced by auroral activity) (1977) (0)
A Study of the Solar Wind Based on the Ulysses Observation, the Magnetic Equator and Recurrent Geomagnetic Storms (2022) (0)
Operational, Real-Time, Sun-to-Earth Interplanetary Shock Predictions During Solar Cycle 23 (2002) (0)
Space Physics in the Earliest Days, as I Experienced (2019) (0)
Corona Holes in Low Latitude May Not Be the Origin of Streams and of 27-Day Recurrent Geomagnetic Storms (2022) (0)
Magnetospheric Currents during Substorms (1979) (0)
Coordinated observations of ionosphere-atmosphere coupling in the arctic using an HF Doppler system and an infrasonic wave detector (1991) (0)
Simulation of Solar Events Using the HAF Solar Wind and Magnetic Cloud Models (2004) (0)
The Fleming medal: Citation and acceptance (1979) (0)
Geomagnetic Controll to the Diurnal Variation of the F Layer on the Temperate Latitude (1955) (0)
Development of a geomagnetic storm prediction scheme. Final report, 23 February 1982-23 April 1985 on Phase 1 (1985) (0)
Effects of the Variation of the Temperature Gradient in the Upper Atmosphere on the Formation of the Ionospheric Layers (1953) (0)
Effects of the interplanetary magnetic field on the characteristics of Pc 3-4 pulsations at globally coordinated stations (1985) (0)
Effects of the passage of an IMF (interplanetary magnetic field) discontinuity on the polar-cap geometry and the formation of a polar-cap arc (1984) (0)
Recurrent Geomagnetic Disturbances and the Solar Wind (2007) (0)
A new approach to the future of space physics (2013) (0)
X-ray bright points and solar wind generation. (1983) (0)
Auroral Substorms: Search for Processes Causing the Expansion Phase in Terms of the Electric Current Approach (2017) (0)
Realizing the Dream of Our Pioneers: Polar Magnetic Substorms and the Associated Current System (2007) (0)
Distributions of aurora and ionospheric currents observed simultaneously on a global scale. Scientific report for period ending 1981 (1983) (0)
Propagation of Solar disturbances in the heliosphere to a distance of 100 au (2023) (0)
Beyond the Inner Heliosphere: The Magnetic Field Structure of the Outer Heliosphere: A Three-Dimensional Model (2007) (0)
Myth of the Emerging Flux Tubes: Sunspots and Solar Flares (2007) (0)
Study of the relationship between solar activity and interplanetary field variations. Final report, 14 May-30 September 1985 (1986) (0)
Planetary Magnetic Fields: Is the Earth’s Dipole Really Off-Centered and Inclined? (2007) (0)
Investigation of the Phenomenology of the Arctic Ionosphere and Its Relation to the Phenomenology of Arctic Particle Precipitation. Part I. (1978) (0)
Paradigms and Four Levels of Scientific Controversies (2021) (0)
Recent advances in space science (1963) (0)
Four Subjects in Solar Physics from the Point of View of the Electric Current Approach (2020) (0)
Global warming: What is the scientific truth?(2) (2009) (0)
Confronting Paradigms: Aurora Research During the Early Space Age (2007) (0)
Progress in modelling the polar ionosphere from solar and magnetosphere parameters (1985) (0)
AURORAS OVER THE SOUTH POLE AND INTERPLANETARY MAGNETIC FIELD CHANGES. (1971) (0)
Magnetic Reconnection: Phantom Theory (2020) (0)
Three major paradigms in solar physics (2018) (0)
Synthesis of Magnetospheric Substorm Phenomena (2007) (0)

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