Nancy U. Crooker
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Physics
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(Suggest an Edit or Addition)Nancy U. Crooker's Published Works
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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
- Dayside merging and cusp geometry (1979) (648)
- Relationship of halo coronal mass ejections, magnetic clouds, and magnetic storms (2000) (310)
- Patterns of potential magnetic field merging sites on the dayside magnetopause (1984) (240)
- Reducing heliospheric magnetic flux from coronal mass ejections without disconnection (2002) (200)
- On the high correlation between long‐term averages of solar wind speed and geomagnetic activity (1977) (166)
- Transpolar potential saturation: Roles of region 1 current system and solar wind ram pressure (2002) (160)
- Multiple heliospheric current sheets and coronal streamer belt dynamics (1993) (154)
- Observations of plasma depletion in the magnetosheath at the dayside magnetopause (1979) (154)
- Kinematic Treatment of Coronal Mass Ejection Evolution in the Solar Wind (2004) (146)
- Factors controlling degree of correlation between ISEE 1 and ISEE 3 interplanetary magnetic field measurements (1982) (139)
- Postmodern view of M-regions (1994) (118)
- Dst of the Carrington storm of 1859 (2006) (116)
- Understanding Interplanetary Coronal Mass Ejection Signatures (2006) (116)
- Birkeland currents as the cause of the low‐latitude asymmetric disturbance field (1981) (113)
- Coronal mass ejections and magnetic flux buildup in the heliosphere (2006) (109)
- Lobe cell convection as a summer phenomenon (1993) (109)
- Counterstreaming electrons in magnetic clouds (2000) (102)
- Solar and heliospheric geoeffective disturbances (2000) (101)
- Heliospheric plasma sheets (2004) (98)
- Ionospheric convection response to slow, strong variations in a northward interplanetary magnetic field: A case study for January 14, 1988 (1993) (97)
- Characteristic magnetic field and speed properties of interplanetary coronal mass ejections and their sheath regions (2005) (95)
- Coronal Mass Ejections: Crooker/Coronal Mass Ejections (1997) (92)
- Role of the Russell–McPherron effect in the acceleration of relativistic electrons (2009) (90)
- ICMEs in the Inner Heliosphere: Origin, Evolution and Propagation Effects (2006) (87)
- CIR Morphology, Turbulence, Discontinuities, and Energetic Particles (1999) (84)
- MHD model merging with IMF By : Lobe cells, sunward polar cap convection, and overdraped lobes (1998) (84)
- A mechanism for pressure anisotropy and mirror instability in the dayside magnetosheath (1977) (84)
- The Solar Origin of Corotating Interaction Regions and Their Formation in the Inner Heliosphere (1999) (80)
- Coronal Mass Ejections (2006) (76)
- Mapping the merging potential from the magnetopause to the ionosphere through the dayside cusp (1988) (73)
- Magnetic clouds at sector boundaries (1998) (72)
- Large‐scale magnetic field inversions at sector boundaries (2004) (71)
- The magnetospheric boundary layers: A geometrically explicit model (1977) (69)
- Ionospheric convection response to changing IMF direction (1991) (68)
- The semiannual variation of great geomagnetic storms and the postshock Russell‐McPherron effect preceding coronal mass ejecta (1992) (67)
- Estimating total heliospheric magnetic flux from single‐point in situ measurements (2008) (65)
- Solar origin of heliospheric magnetic field inversions: Evidence for coronal loop opening within pseudostreamers (2013) (65)
- On the low correlation between long‐term averages of solar wind speed and geomagnetic activity after 1976 (1993) (64)
- Conservation of open solar magnetic flux and the floor in the heliospheric magnetic field (2008) (62)
- Opening the cusp (1991) (60)
- Global network of slow solar wind (2012) (57)
- How is open solar magnetic flux lost over the solar cycle (2011) (57)
- Solar wind streamer belt structure (1996) (55)
- INFERRING THE STRUCTURE OF THE SOLAR CORONA AND INNER HELIOSPHERE DURING THE MAUNDER MINIMUM USING GLOBAL THERMODYNAMIC MAGNETOHYDRODYNAMIC SIMULATIONS (2015) (55)
- On the distinction between the auroral electrojet and partial ring current systems (1972) (53)
- Explorer 33 entry layer observations (1977) (51)
- The half‐wave rectifier response of the magnetosphere and antiparallel merging (1980) (51)
- Energetic magnetosheath ions and the interplanetary magnetic field orientation (1981) (50)
- A theoretical relation between Dst and the solar wind merging electric field (1974) (49)
- Understanding electron heat flux signatures in the solar wind (2005) (49)
- Coronal streamer belt asymmetries and seasonal solar wind variations deduced from Wind and Ulysses data (1997) (48)
- Role of coronal mass ejections in the heliospheric Hale cycle (2007) (48)
- How Does Large Flaring Activity from the Same Active Region Produce Oppositely Directed Magnetic Clouds? (2007) (46)
- Suprathermal electron isotropy in high‐beta solar wind and its role in heat flux dropouts (2003) (46)
- A test of source‐surface model predictions of heliospheric current sheet inclination (1994) (46)
- Heliospheric plasma sheets as small‐scale transients (1996) (45)
- Global Geometry of Magnetospheric Currents Inferred From MHD Simulations (2013) (44)
- IMF By and day‐night conductivity effects in the expanding polar cap convection model (1987) (44)
- Reconciling the electron counterstreaming and dropout occurrence rates with the heliospheric flux budget (2007) (44)
- Model of oval and polar cap arc configurations (1985) (43)
- A split separator line merging model of the dayside magnetopause (1985) (42)
- The Effect of the Solar Wind on the Terrestrial Environment (1986) (42)
- An evolution of antiparallel merging (1986) (41)
- On the limits of energy transfer through dayside merging (1986) (40)
- A seasonal dependence for the geoeffectiveness of eruptive solar events (1993) (39)
- A bubblelike coronal mass ejection flux rope in the solar wind (1990) (39)
- A Study of the Geomagnetic Disturbance Field Asymmetry (1971) (38)
- Solar cycle evolution of dipolar and pseudostreamer belts and their relation to the slow solar wind (2014) (38)
- A solar cycle variation of the interplanetary magnetic field (1978) (37)
- Density extremes in the solar wind (2000) (37)
- Magnetic field draping against the dayside magnetopause (1985) (37)
- On the use of a sunward libration‐point‐orbiting spacecraft as an interplanetary magnetic field monitor for magnetospheric studies (1986) (36)
- Remote sensing of the solar site of interchange reconnection associated with the May 1997 magnetic cloud (2006) (36)
- MHD properties of magnetosheath flow (2002) (35)
- On mapping flux transfer events to the ionosphere (1990) (34)
- What is the International Heliophysical Year (2004) (34)
- High-latitude convection on open and closed field lines for large IMF B(y) (1985) (33)
- A magnetic cloud as a distended flux rope occlusion in the heliospheric current sheet (1996) (33)
- Correlation of solar wind entropy and oxygen ion charge state ratio (2004) (33)
- A test of real‐time prediction of magnetic cloud topology and geomagnetic storm occurrence from solar signatures (2001) (32)
- Magnetic field compression at the dayside magnetopause (1982) (32)
- Suprathermal electron evolution in a Parker spiral magnetic field (2008) (31)
- A tangent subsolar merging line (1990) (30)
- Identification of trailing edge solar wind stream interfaces: A comparison of Ulysses plasma and composition measurements (1999) (30)
- On the partial ring current contribution to Dst (1974) (28)
- Sector boundary transformation by an open magnetic cloud (1998) (28)
- Magnetopause merging site asymmetries (1985) (27)
- Transients associated with recurrent storms (1997) (27)
- Numerical simulation of the 12 May 1997 CME Event: The role of magnetic reconnection (2010) (27)
- Assessing electron heat flux dropouts as signatures of magnetic field line disconnection from the Sun (2005) (27)
- A note on the location of the stagnation point in the magnetosheath flow (1981) (26)
- Sunward flow in Jupiter's magnetosheath (1980) (26)
- Persistent pressure anisotropy in the subsonic magnetosheath region (1976) (26)
- High-time resolution of the low-latitude asymmetric disturbance in the geomagnetic field. (1972) (25)
- Auroral Zones in a Quadrupole Magnetosphere (1976) (23)
- Model geomagnetic disturbance from asymmetric ring current particles (1974) (23)
- Properties of interplanetary magnetic sector boundaries based on electron heat-flux flow directions (1998) (23)
- Coincidence of composition and speed boundaries of the slow solar wind (2011) (22)
- Ulysses Observations of the Magnetic Connectivity between Coronal Mass Ejections and the Sun (2004) (21)
- Diurnal oscillation of Dst: A manifestation of the Russell- (1996) (20)
- Large-scale flow in the dayside magnetosheath (1984) (19)
- Residual strahls in solar wind electron dropouts: Signatures of magnetic connection to the Sun, disconnection, or interchange reconnection? (2008) (19)
- The Heliospheric Magnetic Field Over the Hale Cycle (2008) (19)
- The polarities and locations of interplanetary coronal mass ejections in large interplanetary magnetic sectors (1999) (19)
- Cusp displacement at the magnetopause for large IMF Y component (1987) (18)
- Comparison of interplanetary signatures of streamers and pseudostreamers (2014) (18)
- Patterns of Magnetic Field Merging Sites on the Magnetopause (1984) (16)
- Kinematic Treatment of CME Evolution in the Solar Wind (2004) (16)
- Suprathermal electron flux peaks at stream interfaces: Signature of solar wind dynamics or tracer for open magnetic flux transport on the Sun? (2010) (16)
- Solar cycle variations of the solar wind (1983) (15)
- The Solar Sources of Geoeffective Structures (2013) (15)
- A magnetic polarity and chirality analysis of ISEE 3 interplanetary magnetic clouds (1999) (14)
- Cusp geometry in MHD simulations (2005) (13)
- Large amplitude substorm motion of the magnetotail boundary (1979) (11)
- Heliospheric current sheet inclinations predicted from source surface maps (1994) (11)
- Flux transfer event footprint patterns and implications for convection (1990) (11)
- Solar wind‐magnetosphere coupling (1975) (10)
- The Cusp/Cleft (1991) (10)
- Dayside merging and cusp geometry. [of IMF and geomagnetic lines at magnetopause (1979) (9)
- Morphology of magnetic merging at the magnetopause (1990) (9)
- Scales of heliospheric current sheet coherence between 1 and 5 AU (2001) (9)
- Replacing the solar flare myth (1994) (8)
- The Configuration of Dayside Merging (1979) (8)
- Initial-Condition Influences on CME Expansion and Propagation (2006) (8)
- Subsonic magnetosheath observations from Explorer 33 (1975) (8)
- Heliospheric Plasma and Current Sheet Structure (2003) (7)
- UNDERSTANDING INTERPLANETARY CORONAL MASS EJECTION SIGNATURES Report of Working Group B (2006) (7)
- Ring coupling model: Implications for substorm onsets (1983) (7)
- Ring coupling model: Implications for the ground state of the magnetosphere (1984) (7)
- Coronal Mass Ejections, Corotating Interaction Regions, and Geomagnetic Storms (2013) (6)
- Solar concept of flux transport by interchange reconnection applied to the magnetosphere (2008) (6)
- Parameters of solar wind electron heat‐flux pitch‐angle distributions and IMF topologies (2004) (6)
- High-latitude convection on open- and closed-field lines for large IMF B/sub y/. Technical report (1986) (5)
- The expected imprint of flux rope geometry on suprathermal electrons in magnetic clouds (2009) (5)
- Global Geometry of Merging at the Dayside Magnetopause (1986) (4)
- Transient aspects of stream interface signatures (1999) (4)
- Helium variation in the solar wind (2003) (4)
- Impact of Coronal Mass Ejections, Interchange Reconnection, and Disconnection on Heliospheric Magnetic Field Strength (2010) (4)
- Cusp current modeling: A systematic approach (1994) (4)
- Cusp currents from ionospheric vorticity generated by gasdynamic and merging flow fields at the magnetopause (1995) (3)
- Correction to “Solar wind streamer belt structure” by N. U. Crooker et al. (1997) (3)
- COMMENT ON 'ON THE HIGH CORRELATION BETWEEN LONG-TERM AVERAGES OF SOLAR WIND SPEED (1977) (3)
- UVCS Observations of a Helical CME Structure (2004) (3)
- Density enhancements in the solar wind (2008) (3)
- Ulysses Observations of the Magnetic Connectivity between CMEs and the Sun (2004) (2)
- Depletion as a signature of interconnection (1994) (2)
- Characteristics of the magnetospheric source of interplanetary energetic particles (1984) (2)
- Reply [to “Comment on ‘A tangent subsolar merging line’ by N. U. Crooker et al.”] (1991) (1)
- Imbedded open flux tubes and 'viscous interaction' in the low latitude boundary layer (2013) (1)
- Heliospheric Current Sheet Structure and Coronal Streamer Belt Dynamics (Abstract) (1993) (1)
- Identification of Solar Wind Stream Interfaces: A Comparison of Ulysses Plasma and Composition Measurements (1998) (1)
- Correction to “MHD model merging with IMF B y : Lobe cells, sunward polar cap convection, and overdraped lobes” by N. U. Crooker et al. (1998) (1)
- An improvement in the closely-spaced-frequencies method of deducing ionospheric electron content from Faraday rotation measurements (1970) (1)
- Reply [to Comment on The semiannual variation of great geomagnetic storms and the postshock Russel (1993) (1)
- Heliospheric Constellation: Understanding the Structure and Evolution of the Solar Wind (2003) (1)
- Parameterizing the Wind 3DP Heat Flux Electron Data (2003) (1)
- Heliospheric current sheet structure (2008) (1)
- Heliospheric Links Explorer (HELIX) (1996) (1)
- The heliospheric sector boundary as a distented magnetic cloud (1995) (0)
- Can coronal mass ejections reverse the open field polarity over the solar cycle (2006) (0)
- How common are magnetic disconnection events in the solar wind (2004) (0)
- Charge-State and Plasma Properties Across Trailing Boundaries of Slow Solar Wind (2010) (0)
- Opening the cusp. [using magnetic field topology] (1991) (0)
- An evolution of antiparallel merging. [of geomagnetic field and IMF at dayside magnetopause (1986) (0)
- Global Aspects of Magnetopause‐Ionosphere Coupling: Review and Synthesis (2013) (0)
- On the Low Correlation Between Long-Term Averages of Solar Wind Speed and Geomanetic Activity After 1976 (Abstract) (1993) (0)
- Explorer 33 entry layer observations. [of plasma flow inside magnetopause] (1977) (0)
- Properties of Open Fields in Magnetic Clouds at 1 AU and Implications for Patterns of Interchange Reconnection at the Sun (2006) (0)
- Suprathermal electron evolution in a (2018) (0)
- Heliophysics: A Field With Its Own Universal Laws? (2009) (0)
- PREDICTION OF GEOMAGNETIC ACTIVITY. (1969) (0)
- Comment on A tangent subsolar merging line. Authors' replies (1991) (0)
- Web of Pseudostreamer and Streamer Belts and their Interplanetary Signatures (2012) (0)
- Factors controlling suprathermal electron isotropy in the solar wind (2004) (0)
- Does the solar magnetic flux depends on boundary conditions (2009) (0)
- Internal or External? What MHD Simulation Can Say about the Cause of Semiannual Variation in Geomagnetic Activity (2002) (0)
- The configuration of dayside merging. [of IMF and geomagnetic lines of force at magnetopause] (1980) (0)
- Solar‐heliospheric community supports grass roots organization (2000) (0)
- Topology of Magnetic Ejecta at 1 AU (2002) (0)
- Understanding Electron Heat Flux Dropouts (2003) (0)
- Correction to “Reverse convection” (1993) (0)
- The Role of Interchange Reconnection at the Sun, in the Heliosphere, and in Earth's Magnetosphere (2004) (0)
- Parker Lecturers Gather at Joint Assembly (2008) (0)
- Semiannual variations of great geomagnetic storms: Solar sources of great storms. (Reannouncement with new availability information) (1992) (0)
- Exploring ISEE-3 magnetic cloud polarities with electron heat fluxes (1999) (0)
- Reassessment of Arguments For and Against Open-Flux Conservation in the Heliosphere (2007) (0)
- Ulysses Data Analysis: Magnetic Topology of Heliospheric Structures (2001) (0)
- A magnetic cloud at Pioneers 10 and 11: Relation to heliospheric current sheet, stream interface, and energetic ions (2008) (0)
- Space Weather Quarterly Is a Jewel in AGU's Crown (2014) (0)
- Solar and Heliospheric Views of Open Magnetic Flux (2008) (0)
- How Magnetically Open are Magnetic Clouds Beyond 1 AU (2002) (0)
- Coupling of Birkeland Current Rings (2013) (0)
- MATHEMATICAL ANALYSIS OF APERIODIC EVENTS (GEOMAGNETIC ACTIVITY). Final Technical Report. (1969) (0)
- Large-Scale Magnetic Field Inversions at Sector Boundaries and Their Relation to Coronal Mass Ejections (2003) (0)
- Section newsletter rejected (1990) (0)
- The effect of compression on the magnetic field strength of ICMEs at 1 AU. (2004) (0)
- Interchange Reconnection: Remote Sensing of Solar Signature and Role in Heliospheric Magnetic Flux Budget (2011) (0)
- Local Heliospheric Current Sheet Structure From Two-Point Measurements (2001) (0)
- Investigation of the magnetospheric boundary plasma and magnetic field data from Explorers 33, 43, and 50 (1979) (0)
- TheHeliospheric Current Sheet: Ulysses Observations (1994) (0)
- On the use of a sunward-libration-point orbiting spacecraft as an IMF monitor for magnetospheric studies (1984) (0)
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