Alan Gillespie, Ph.D.

Research Scientist, Remote Sensing, Planetary Science and Glacial Geomorphology


Dr. Gillespie’s affiliations include:

•    The Bear Fight Institute: Planetary Research Scientist
•    University of Washington: Emeritus Professor
•    Humboldt State University: Affiliate Professor


Research Activities:

•    Image processing
•    40Ar/39Ar geochronology
•    Glacial geomorphology
•    Analyzing the paleoclimatic signal in glacial deposits in cold, hyperarid regions.
•    Thermal infrared
•    Spectral mixture analysis
•    Giant outburst floods
•    Mars regolith hydrology and crustal evolution


Current Emphases:

•    Spectral and photointerpretive analysis of slope streaks on mars
•    Testing a new paleoclimate interpretation of Central Asia
•    Interpreting an Holocene glacial maximum in the Gobi-Altai ranges of Mongolia

Articles in Reviewed Professional Journals, partial list

Gillespie, A. R., and Soha, J. M., 1972.  An orthographic photomap of the south pole of Mars from Mariner 6 and 7.  Icarus 16, 522-527.

Gillespie, A. R., and Kahle, A. B., 1977.  The construction and interpretation of a digital thermal inertia image.  Photogrammetric Engineering and Remote Sensing 43, 983-1000.

Gillespie, A. R., Huneke, J. C., and Wasserburg, G. J., 1982.  An assessment of 40Ar-39Ar dating of incompletely degassed xenoliths.  Journal of Geophysical Research 87, 9247-9257.

Gillespie, A. R., Kahle, A. B., and Palluconi, F. D., 1984.  Mapping alluvial fans in Death Valley, California, using multichannel thermal infrared images.  Geophysical Research Letters 11, 1153-1156.

Gillespie, A. R., A. B. Kahle and R. E. Walker, 1987.  Color enhancement of highly correlated images, II. Channel ratio and chromaticity transformation techniques.  Remote Sensing of Environment 22, 343-365.

Gillespie, A. R., Budinger, F., Jr., and Abbott, E. A., 1989.  Verification of prehistoric campfires by Ar-40/Ar-39 analysis.  Journal of Archaeological Science 16, 271-291.

Gillespie, A. R., 1990.  Big Pine Volcanic Field, California.  In Wood, C.A., and Kienle, J., ed., Volcanoes of North America: United States and Canada.  Cambridge University Press, New York.

Gillespie, A. R., 1991.  Testing a new climatic interpretation for the Tahoe glaciation.  In Natural History of Eastern California and High-Altitude Research, edited by C. A. Hall, Jr., V. Doyle-Jones, and B. Widawski, Proceedings of the White Mountain Research Station. Symposium 3, 383-398.

Gillespie, A. R., 1992.  Spectral mixture analysis of multispectral thermal infrared images.  Remote Sensing of Environment 42, 137-145.

Gillespie, A. R., and Bierman, P. R., 1995.  Precision of terrestrial exposure ages and erosion rates from analysis of cosmogenic isotopes produced in situ.  Journal of Geophysical Research, Solid Earth and Planets100(B12), 24,637-24,649.

Gillespie, A. R., and Molnar, P., 1995.  Asynchronism of maximum advances of mountain and continental glaciations.  Reviews of Geophysics 33, 311-364.

Gillespie, A. R., and Clark, D. H., 1995.  Potential of ASTER for inferring paleoclimatic conditions,  Journal of the Remote Sensing Society of Japan 15 (1), 39-49.

Gillespie, A. R., Rokugawa, S., Hook, S. J., Matsunaga, T., and Kahle, A. B., 1996.  Temperature/emissivity separation Algorithm theoretical basis document, Version 2.3.   JPL D-13916, Jet Propulsion Lab., Pasadena, CA, 16 Aug., 65 pp. 

Gillespie, A. R., Matsunaga, T., Rokugawa, S., and Hook, S. J., 1996.  Temperature and Emissivity Separation from Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Images.  Proceedings of the International Society for Optical Engineering (SPIE) 2817-11 (session 3), pp.82-94, Denver, August 4-9.

Gillespie, A. R., 1997.  A precise petroglyph equinox marker in eastern California.  Epigraphic Society Occasional Papers 23, 71-85.

Gillespie, A. R., Rokugawa, S., Matsunaga, T., Cothern, J. S., Hook, S. J., and Kahle, A. B., 1998.  Temperature and Emissivity Separation from Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Images.  Institute of Electrical and ElectronicsEngineers (IEEE) Transactions on Geoscience and Remote Sensing 36, 1113-1126.

Gillespie, A. R., Burke, R. M., and Clark, M. M., 1999.  Eliot Blackwelder and the Alpine Glaciations of the Sierra Nevada. Classic California Cordilleran Centennial Concepts, Geological Society of America Volume (C5), May 99. 

Gillespie, A. R., Porter, S. C., and Atwater, B. F. (eds.), 2004. The Quaternary Period in the United States.  Developments in Quaternary Science Vol 1, Elsevier, 584 pp.

Gillespie, A. R., and Zehfuss, P. H., 2004.  Glaciations of the Sierra Nevada, California, USA.  In Ehlers, J., and Gibbard, P. L., (eds.), Quaternary Glaciations and Chronology.  Part II: North America, Developments in Quaternary Science Vol 2b, Amsterdam, Elsevier

Gillespie, A. R., 2005.  Rock-art dating at the end of the millennium. Epigraphic Society Occasional Papers, 24, 127-130..

Gillespie, A.R., and Sabol, D.E., 2005.  Astronomical dating of a solstice sun-dagger petroglyph at Swansea, Inyo County, California, Epigraphic Society Occasional Publications 24, 131-149.

Gillespie, A., Abrams, M., & Yamaguchi, Y., 2005. Scientific results from ASTER.  Remote Sensing of Environment 99, 1-2.

Adams, J. B., and Gillespie, A. R., 2006.  Remote Sensing of Landscapes with Spectral Images.  Cambridge University Press, Cambridge UK

Gillespie, A. R., Gilson, L., O'Neal, M. A., and Kane, V. R., 2006.  A framework for estimating unresolved spectral shade.  In J. A. Sobrino, ed., Second Recent Advances in Quantitative Remote Sensing, Publicacions de la Universitat de València, Spain, ISBN: 84-370-6533-X ; 978-84-370-6533-5, 385-390.

Gillespie, A.R., Burke, R.M., Komatsu, G., Bayasgalan, A., 2008.  Chronology of late Pleistocene glaciers in Darhad Basin, northern Mongolia.  Quaternary Research 69, 169-187.

Smith, M. R., Gillespie, A. R.., and Montgomery, D. R., 2008.  The effect of obliteration on crater-count chronologies for Martian surfaces.  Geophysical Research Letters 35, LXXXXX, doi: 10.1029/2008GL033538.

Adams, J. B., Gillespie, A. R., Jackson, M.P.A., Montgomery, D.R., Dooley, T.P., Combe, J.-P., Schreiber, B.C., 2009.  Salt tectonics and collapse tectonics and collapse of Hebes Chasma, Valles Marineris, Mars. Geology 37, 691-694, doi:10.1130/G30024A.1

Montgomery, D. R., Som, S. M., Jackson, M. P. A., Schreiber, B. C., Gillespie, A. R., and Adams, J. B., 2009.  Continental-scale salt tectonics on Mars and the origin of Valles Marineris and associated outflow channels.  Geological Society of America Bulletin 121(1-2), 117-133, DOI: 10.1130/B26307.1

Gillespie, A .R. and Clark, D. H., 2010. Quaternary glaciation of the Sierra Nevada.  In Ehlers, J., and Gibbard, P. L., (eds.), Quaternary Glaciations and Chronology.  Part II: North America, Developments in Quaternary Science Vol 2b, Amsterdam, Elsevier.

Wiedmer, M., Montgomery, D. R., Gillespie, A. R., Greenberg, H., 2010.  Late Quaternary Megafloods from Glacial Lake Atna, Southcentral Alaska, U.S.A.  Quaternary Research 73(3), 413-424, doi:10.1016/j.yqres.2010.02.005.

Gillespie, A. R., 2011.  Glacial geomorphology and landforms evolution. In Haritashya, U. K., Singh, V., and Singh, P., eds., Encyclopedia of Snow, Ice and Glaciers, Springer, New York, 341–357.

Gillespie, A. R., Abbott, E. A.., Gilson, L., Hulley, G., Jiménez-Muñoz, J.-C., and Sobrino, J. A., 2011. Residual errors in ASTER temperature and emissivity standard products AST08 and AST05.  Remote Sensing of Environment 115 (12), 3681–3694, DOI: 10.1016/j.rse.2011.09.007.

Jackson, M.P.A., Adams, J. B., Dooley, T.B., Gillespie, A. R., Montgomery, D.R, 2011.  Modeling the Collapse of Hebes Chasma, Valles Marineris, Mars.  Bulletin of the Geological Society of America123, no. 7–8 1596–1627, doi: 10.1130/B30307.

Danilina, I., Gillespie, A. R., Balick, L. K., Mushkin, A., O'Neal, M. A., 2012. Performance of a thermal-infrared radiosity and heat-diffusion model for estimating sub-pixel radiant temperatures over the course of a day. Remote Sensing of Environment 124, 492 – 501.

Batbaatar, J., and Gillespie, A. R., 2015. Outburst floods of the Maly Yenisei. Part I – Review (INVITED). International Geology Review, in press.