Alan R. Hildebrand

Alan R. Hildebrand's AcademicInfluence.com Rankings

Alan R. Hildebrand

Earth Sciences

#559

World Rank

#934

Historical Rank

earth-sciences Degrees

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Earth Sciences

Alan R. Hildebrand's Degrees

Bachelors Geology University of Calgary
Masters Geology University of Calgary
PhD Geology University of Calgary

Why Is Alan R. Hildebrand Influential?

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According to Wikipedia, Alan Russell Hildebrand is a planetary scientist and Associate Professor in the Department of Geoscience at the University of Calgary. He has specialized in the study of asteroid impact cratering, fireballss and meteorite recovery. His work has shed light on the extinction event caused by the Chicxulub asteroid at the end of the Cretaceous period. Hildebrand is one of the leaders of the Prairie Meteorite Network search project.

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Alan R. Hildebrand'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

Chicxulub Crater: A possible Cretaceous/Tertiary boundary impact crater on the Yucatán Peninsula, Mexico (1991) (842)
The fall, recovery, orbit, and composition of the Tagish Lake meteorite: a new type of carbonaceous chondrite. (2000) (289)
Size and morphology of the Chicxulub impact crater (1997) (242)
Tektite-bearing, deep-water clastic unit at the Cretaceous-Tertiary boundary in northeastern Mexico. (1992) (223)
Shape of (101955) Bennu indicative of a rubble pile with internal stiffness (2019) (159)
Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface (2019) (158)
Proximal Cretaceous-Tertiary Boundary Impact Deposits in the Caribbean (1990) (157)
An entry model for the Tagish Lake fireball using seismic, satellite and infrasound records (2002) (138)
Size and structure of the Chicxulub crater revealed by horizontal gravity gradients and cenotes (1995) (137)
Proximal impact deposits at the Cretaceous-Tertiary boundary in the Gulf of Mexico: a restudy of DSDP Leg 77 Sites 536 and 540. (1992) (132)
The fall and recovery of the Tagish Lake meteorite (2006) (97)
Mapping Chicxulub crater structure with gravity and seismic reflection data (1998) (96)
Gravity and magnetic field modeling and structure of the Chicxulub Crater, Mexico (1994) (94)
Fireball passes and nothing burns—The role of thermal radiation in the Cretaceous-Tertiary event: Evidence from the charcoal record of North America (2003) (89)
The fall of the St-Robert meteorite (1996) (60)
Three‐dimensional magnetic imaging of the Chicxulub Crater (2000) (58)
OSIRIS-REx Contamination Control Strategy and Implementation (2017) (41)
Yucatán karst features and the size of Chicxulub crater (1996) (39)
The Cretaceous/Tertiary boundary impact (or the dinosaurs didn't have a chance) (1993) (39)
Detection of meteoroid impacts by the Geostationary Lightning Mapper on the GOES‐16 satellite (2018) (28)
Chromium-isotopes in Late Eocene impact spherules indicate a likely asteroid belt provenance (2011) (27)
NEOSSat: a Canadian small space telescope for near Earth asteroid detection (2008) (27)
SUPRACENTER: Locating fireball terminal bursts in the atmosphere using seismic arrivals (2004) (24)
Exposure history of the St‐Robert (H5) fall (2001) (20)
Provenance of mineral phases in the Cretaceous-Tertiary boundary sediments exposed on the southern peninsula of Haiti (1994) (19)
Geochemistry and stratigraphy of the Cretaceous/Tertiary boundary impact ejecta. (1992) (19)
Surface Heating from Remote Sensing of the Hypervelocity Entry of the NASA GENESIS Sample Return Capsule (2006) (19)
ADVANTAGES OF SEARCHING FOR ASTEROIDS FROM LOW EARTH ORBIT: THE NEOSSat MISSION (2006) (15)
Magnetic mineralogy of the Yaxcopoil‐1 core, Chicxulub (2004) (15)
Transient and disruption cavity dimensions of complex terrestrial impact structures derived from magnetic data (2003) (14)
Global Ground-Based Electro-Optical and Radar Observations of the 1999 Leonid Shower: First Results (1998) (14)
The St-Robert Bolide of June 14, 1994 (1997) (14)
Provenance of the K/T boundary layers (1988) (14)
Large silica‐rich igneous‐textured inclusions in the Buzzard Coulee chondrite: Condensates, differentiates, or impact melts? (2012) (14)
Hg Anomalies at the K/T Boundary: Evidence for Acid Rain? (1989) (13)
Mapping Chicxulub Crater Structure with Overlapping Gravity and Seismic Surveys (1998) (13)
Initial Cr-isotopic and iridium measurements of concentrates from Late-Eocene Cpx-spherule deposits (2004) (13)
The Near Earth Object Surveillance Satellite (NEOSSat) (2004) (11)
An Overview of the OSIRIS REx Laser Altimeter (OLA) (2012) (11)
The OSIRIS-REx mission to RQ36: nature of the remote sensing observations (2012) (10)
The Petrology of an Andestic Melt Rock and a Polymict Breccia from the Interior of the Chicxulub Structure, Yucatan, Mexico (1991) (10)
Magnetic measurements of glass from Tikal, Guatemala: Possible tektites (2000) (10)
The Global Fluence of Iridium at the Cretaceous-Tertiary Boundary (2001) (8)
Amor: A Lander Mission to Explore the C-Type Triple Near-Earth Asteroid system 2001 SN263 (2011) (8)
Pre-fall Orbit of the Buzzard Coulee Meteoroid (2010) (8)
The Osiris-Rex Mission - Sample Acquisitions Strategy and Evidence for the Nature of Regolith on Asteroid (101955) 1999 RQ36 (2012) (8)
Characteristics of a Bright Fireball and Meteorite Fall at Buzzard Coulee, Saskatchewan, Canada, November 20, 2008 (2009) (8)
Tektites Found in the Ruins of the Maya City of Tikal, Guatemala (1994) (7)
KT boundary impact glasses from the Gulf of Mexico region (1993) (7)
An Asteroid Regolith Simulant for Hydrated Carbonaceous Chondrite Lithologies (HCCL-1) (2015) (6)
The Near Earth Object Surveillance Satellite: Mission status and CCD evolution after 18 months on-orbit (2013) (6)
Fireball passes and nothing burns—The role of thermal radiation in the Cretaceous-Tertiary event: Evidence from the charcoal record of North America: Comment and Reply REPLY (2004) (6)
Trace-element composition of Chicxulub crater melt rock, K/T tektites and Yucatan basement (1993) (6)
Compressional and Shear Wave Velocities in Meteorites (2004) (6)
Preparing for the Meteoritic Return of Stardust (2007) (6)
The Role of Mineral Precipitates in Moderating Shuttle Imaging Radar Signal Penetration and Subsurface Scattering in the Hyperarid Eastern Sahara: Applications to Climatic History of Mars (1984) (5)
The Steen River Crater Seismic Refraction Project (2002) (5)
Asteroid (101955) Bennu's Crater Population: Morphologies, Size-Frequency Distribution, and Consequences for Surface Age(s) (2019) (5)
Fall of the Grimsby H5 Chondrite (2010) (5)
NESS: Using a Microsatellite to Search For and Track Satellites and Asteroids (2002) (5)
The Near-Earth Space Surveillance (NESS) Mission: Discovery, Tracking, and Characterization of Asteroids, Comets, and Artificial Satellites with a Microsatellite (2001) (4)
A New Analysis of Fireball Data from the Meteorite Observation and Recovery Project (MORP) (2006) (4)
Large Silica-Rich Igneous-Textured Inclusions in the Buzzard Coulee (H4) Chondrite (2012) (4)
The Near Earth Object Surveillance Satellite (NEOSSat) Mission Will Conduct an Efficient Space-Based Asteroid Survey at Low Solar Elongations (2008) (4)
Recent Studies of the Chicxulub Crater, Mexico (1992) (4)
A Cretaceous/Tertiary boundary ejecta layer, ̃50 cm thick, from Beloc, Haiti (1990) (4)
THREE DIMENSIONAL GRAVITY FIELD MODELLING OF THE CHICXULUB IMPACT CRATER (2003) (4)
The Juancheng and El Paso Superbolides of February 15 and October 9, 1997: Preatmospheric Meteoroid Sizes (1998) (3)
Report of centimeter-sized tektites in Pima County, Arizona, cannot be verified (1995) (3)
The Near Earth Object Surveillance Satellite (NEOSSat) Mission Enables an Efficient Space-Based Survey (NESS Project) of Interior-to-Earth-Orbit (IEO) Asteroids (2007) (3)
Publisher Correction: Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface (2019) (3)
3D Structural Interpretation of the Eagle Butte Impact Structure, Alberta, Canada (2005) (3)
Is Ceres Differentiated (1987) (3)
Author Correction: Shape of (101955) Bennu indicative of a rubble pile with internal stiffness (2020) (3)
Crater-Floor Exhalative (Crafex) Sulfide Deposits at the Chicxulub Crater, Yucatn, Mxico (2002) (3)
A Bright Multiple Fragmentation Fireball and Meteorite Fall at Buzzard Coulee, Saskatchewan, Canada, November 20, 2008 (2009) (3)
Hydrocarbon potential of the Steen River impact structure, Alberta, Canada. (2000) (2)
Impact wave deposits provide new constraints on the location of the K/T boundary impact (1988) (2)
The K/T Impact Excavated Oceanic Mantle: Evidence From REE Abundances (1987) (2)
A Possible Meteorite Lag Deposit After Continental Glaciation in Southeastern Manitoba (2006) (2)
Hyperseed MAC: An Airborne and Ground-based Campaign to Monitor the Stardust Sample Return Capsule Reentry on 2006 January 15 (2005) (2)
The PRIME (Phobos Reconnaissance and International Mars Exploration) Mission and Mars Sample Return (2008) (2)
A First Look at the Petrography of the Buzzard Coulee (H4) Chondrite, a Recently Observed Fall from Saskatchewan (2009) (2)
Imaging the Buried Chicxulub Crater with Gravity Gradients and Cenotes (1995) (2)
Editorials: Tagish Lake (2002) (2)
Kilauea Volcano Aerosols: Evidence in Siderophile Element Abundances for Impact-Induced Oceanic Volcanism at the K/T Boundary (1984) (2)
The unexpected surface of asteroid (101955) Bennu (2019) (2)
LARGE SILICA-RICH IGNEOUS-TEXTURED INCLUSIONS IN THE BUZZARD COULEE ( H 4 ) (2012) (2)
Hall: A Phobos and Deimos Sample Return Mission (2010) (2)
DETAILED CHARACTERIZATION OF CRATER TYPES AND RELATIONSHIPS TO SURFACE AND SUB-SURFACE STRUCTURE ON BENNU (2020) (2)
Análisis y vigilancia de plaguicidas en aguas subterráneas y suelos (2008) (2)
A New Analysis of Data from the Meteorite Observation and Recovery Project (2004) (1)
Seismic velocity investigation of the Steen River impact structure , northern Alberta (1)
Preatmospheric Size of the St-Robert (H5) Chondrite (1997) (1)
Preliminary multicomponent seismic analysis over the Steen River structure, Northern Alberta (2000) (1)
Structure of the Chicxulub Crater (2001) (1)
Evidence for widespread hydrated minerals on asteroid (101955) Bennu (2019) (1)
Inferring the Physical Properties of a Small D-class NEA: The Tagish Lake Meteoroid (2001) (1)
Using HiRISE Digital Elevation Models to Investigate the Peripheral Peak Ring Morphology in the Martian Impact Crater Tooting (2010) (1)
Asteroid Itokawa (LL Chondrite) Regolith Size Frequency Characteristics and Comparison to Disaggregated Tagish Lake (C2 Ungrouped) Meteorite Fragments (2011) (1)
Constraining the Atira Orbital Class (IEO`s) Asteroid Population with the Near Earth Object Surveillance Satellite (NEOSSat) Mission (2008) (1)
The Tagish Lake meteorite: Not your typical C2 chondrite. (2001) (1)
Acoustic Velocity Trends, Porosity, and Pore Geometry in Ordinary Chondrites: Implications for Meteorite and Meteorite Parent Body Elastic Properties (2008) (1)
The appearance and size-frequency distribution of candidate impact craters on (101955) Bennu (2019) (1)
Chicxulub Crater Structure Revealed by Three Dimensional Gravity Field Modelling (2003) (1)
SEISMIC VELOCITY STUDY OF THE RIM UPLIFT OF THE STEEN RIVER IMPACT CRATER (2005) (0)
The OSIRIS-REx Contamination Control and Witness Strategy (2015) (0)
The 1999 Annual Meeting of the Meteorite and Impacts Advisory Committee to the Canadian Space Agency (2000) (0)
15 N/ 14 N fractionation in Titan's atmosphere. (1985) (0)
The Leonids 1998 results and implications for the future. (1999) (0)
Introduction to the MIAC/CCMI Papers (1997) (0)
Oblique Impact as the Source of the Australasian Tektites (1988) (0)
Structure and stratigraphy of the KT Chicxulub impact crater, Yucatan, Mexico (1996) (0)
The operational environment and rotational acceleration of asteroid (101955) Bennu from OSIRIS-REx observations (2019) (0)
Graphite Polyhedral Crystals (2000) (0)
(Supplement) Iridium contents in sediments at DSDP Site 77-540 (1992) (0)
A field guide to the lithostratigraphy of the Cretaceous/Tertiary boundary sequence at Brazos River, Falls County, Texas (1994) (0)
Characteristics of a Well Recorded, Bright, Meteorite-Dropping Fireball, British Columbia, Canada, September 4, 2017 (2018) (0)
Table 1) Microprobe analyses of DSDP Leg 77 volcanic glass fragments (1992) (0)
The dynamic geophysical environment of (101955) Bennu based on OSIRIS-REx measurements (2019) (0)
PERIPHERAL PEAK RINGS ON MERCURY AND IMPLICATIONS FOR NEAR SURFACE GEOLOGY AND ANALYSIS OF CRATER POPULATIONS (2018) (0)
Deep Impact Site as Imaged by Stardust NexT on Comet 9P/Tempel 1 Reveals a Strong Surface and Extensive Ejecta Blanket (2011) (0)
Near-Earth Objects: Discovery, Tracking, and Characterization (2002) (0)
NESS: A Dual-Use Microsatellite for Asteroid Detection/Tracking, and Satellite Tracking R and D (2001) (0)
INITIAL CR-ISOTOPIC AND IRIDIUM MEASURMENTS OF CONCENTRATES FROM LATE- EOCENE CPX-SPHERULE DEPOSITS. Frank. T. Kyte (2004) (0)
Impact Wave Deposits at the Cretaceous/Tertiary Boundary Imply an Oceanic Impact Site Near North America (1988) (0)
Fall and Initial Examination of the Sept. 25, 2009 Grimsby H5 Ordinary Chondrite (2010) (0)
The Maple Leaf on Bennu: Canada's Participation on the OSIRIS-REx Mission (2019) (0)
Locating Bolide Terminal Bursts Using Seismic Arrival Times: A Supracenter Location Program (2003) (0)
Linking Experimental Modelling of Impact Craters to Structural Components of the Real Thing (2003) (0)
The Peripheral Peak Ring: A Complex Impact Crater Morphologic Feature Probably Related to Crater Rim Collapse (2005) (0)
Comet C/2008 t2 (cardinal) (2008) (0)
The Elastic Properties of Carbonaceous Chondrites Apparently Reflect Impact Damage from an Unsampled Weaker Impactor Population (2012) (0)
A New Primitive Achondrite from Northwest Africa (2010) (0)
Elastic Properties of the Tagish Lake Fall (C2, Ungrouped) (2019) (0)
THE HIGHLY OBLIQUE SOURCE IMPACT OF THE AUSTRALASIAN TEKTITE STREWN FIELD IN CHAMPASAK PROVINCE , LAOS (2019) (0)
Modelling the gravity and magnetic field anomalies of the Chicxulub crater (1993) (0)
Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis (2019) (0)
New light on Chicxulub Crater (1997) (0)
Reprocessing WISE Space Telescope Imagery with a Matched-Filter Moving-Object Software Pipeline (2018) (0)
Iridium contents and microprobe analyses of DSDP Leg 77 samples (1992) (0)
The Effects of Porosity and Pore Geometry on Acoustic Velocities (and Elastic Moduli) in Ordinary Chondrites: Preliminary Results (2008) (0)
Physical Properties of an Unweathered CO Chondrite Fall, Moss (2019) (0)
SHOCK DARKENING OF H CHONDRITES APPEARS TO CORRELATE WITH THEIR COSMIC RAY EXPOSURE (2017) (0)
Sudbury impact structure - interpretation of the 1992 Abitibi-Grenville Transect high resolution refraction seismic data. (1997) (0)
COEFFICIENT OF RESTITUTION / LEEB REBOUND HARDNESS FOR SIX METEORITES AND HCCL-1 SIMULANT (2021) (0)
The 1998 International Leonid Expedition. (2000) (0)
OSIRIS-REx Contamination Control Strategy and Implementation (2017) (0)
Zinc Concentration in Daubreelites in Enstatite Chondrites : Evidence for Decreasing Abundance in Higher Petrologic Groups and Relative Depletion in (1998) (0)
Abstract: Acoustic velocity and elastic moduli profiles and corresponding fracture density and orientation patterns in artificially shocked granite: preliminary results (2008) (0)

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