Google Scholar Citation Indices (Jun 2017):

h-index (all – 42; since 2012 – 29); i-10 index (all – 75; since 2012 – 57)

                    Full Google Scholar page here.

Some of the most cited discovery papers are collected on a separate page.


(80) Davies, G. E. and W. M. Calvin, Mapping acidic mine waste with seasonal airborne hyperspectral imagery at varying spatial scales. Accepted to Environmental Earth Sciences, June 14, 2017.

Calvin, W. M. P. B. James, B. A. Cantor,  Interannual and Seasonal Changes in the South Seasonal Polar Cap of Mars: Observations from MY 28-31 using MARCI, Icarus, 144-153, Aug. 2017, doi:10.1016/j.icarus.2017.01.010


Ehlmann, BL, GA Swayze, RE Milliken, JF Mustard, RN Clark, SL Murchie, GN Breit, JJ Wray, B Gondet, F Poulet, J Carter, RO Rye, WM Calvin, WM Benzel, KD Seelos, Discovery of Alunite in Cross Crater, Terra Sirenum, Mars: Evidence for Acidic, Sulfurous Groundwaters, American Mineralogist, 101, p. 1527-1542.

Arvidson RE, SW Squyres, RV Morris, AH Knoll, R Gellert, BC Clark, JG Catalano, BL Jolliff, SM McLennan, KE Herkenhoff, S VanBommel, DW Mittlefehldt, JP Grotzinger, EA Guinness, JR Johhnson, JF Bell, WH Farrand, N Stein, VK Fox, MP Golombek, MAG Hinkle, WM Calvin, and PA de Souza, High Concentrations of Manganese and Sulfur in Deposits on Murray Ridge, Endeavour Crater, Mars, American Mineralogist, 101, p. 1389-1405.

Brown, A. J., W. M. Calvin, P. Becerra, and S. Byrne, Martian north polar cap summer water cycle, Icarus,  277, 401-415, Oct. 2016, doi:10.1016/j.icarus.2016.05.007

Davies, G. E. and W. M. Calvin, Quantifying iron concentration in local and synthetic acid mine drainage: A new technique using handheld field spectrometers, Mine Water and the Environment, 1-11 DOI 10.1007/s10230-016-0399-z, 2016.

Calvin W. M. and Pace, E. L., Utilizing HyspIRI Prototype Data for Geological Exploration Applications: A Southern California Case Study, Geosciences, 6(1), 11; doi:10.3390/geosciences6010011, 2016.

Calvin, W.M. and E. L. Pace (2016). Alteration in geothermal drill core using a field-portable spectroradiometer. Geothermics, 61, May 2016, Pages 12-23.

Thomas, P. C., W. M., Calvin, B. A. Cantor, R. Haberle, P. B. James, S.W. Lee (2016). Mass balance of Mars’ residual south polar cap from CTX images and other data, Icarus, 268, 118-130.


Calvin, W.M. E. F. Littlefield and C. Kratt (2015) Remote Sensing of Geothermal-Related Minerals for Resource Exploration in Nevada, Geothermics, 53, 517-526, DOI: 10.1016/j.geothermics.2014.09.002

(70) Calvin, W. M. P. B. James, B. A. Cantor, and E. M. Dixon (2015), Interannual and seasonal changes in the north polar ice deposits of Mars: Observations from MY 29-31 using MARCI, Icarus, 251, 181-190, DOI: 10.1016/j.icarus.2014.08.026


Littlefield, E. F. and W. M. Calvin (2014) Geothermal exploration using imaging spectrometer data over Fish Lake Valley, Nevada, Remote Sens. Env., 140, pp. 509-518,


Thomas, P. C., W. Calvin, P. Gierasch, R. Haberle, P. B. James, S. Sholes (2013), Time Scales of Erosion and Deposition Recorded in the Residual South Polar Cap of Mars, Icarus, 225 (2), pp.923-932.

Bell, J. F., et al. (2013), Calibration and Performance of the Mars Reconnaissance Orbiter Context Camera (CTX). Mars, 8, pp. 1-14, doi:10.1555/mars.2013.001


Brown, A.J., W. M. Calvin and S. M. Murchie (2012), CRISM north polar mapping: First three Mars years of observations, Journal of Geophysical Research, Vol. 117, E00J20, doi:10.1029/2012JE004113.

Kruse, F. A., Bedell, R. A., J. V. Taranik, W. A. Peppin, O. Weatherby, and W. M. Calvin (2012), Mapping alteration minerals at prospect, outcrop and drill core scales using imaging spectrometry, Int. J. Remote Sensing, 33 (6), 1780-1798, DOI:10.1080/01431161.2011.600350, 2012.


Kruse, F. A., et al. (2011), Effect of Reduced Spatial Resolution on Mineral Mapping Using Imaging Spectrometry—Examples Using Hyperspectral Infrared Imager (HyspIRI)-Simulated Data, Remote Sens. 3(8), 1584-1602; doi:10.3390/rs3081584, 25 July 2011

Ruff, S. W., et al. (2011), Characteristics, distribution, origin, and significance of opaline silica observed by the Spirit rover in Gusev crater, Mars, J. Geophys. Res., 116, E00F23, doi:10.1029/2010JE003767.


Weitz, C. M., et al. (2010), Visible and near-infrared multispectral analysis of geochemically measured rock fragments at the Opportunity landing site in Meridiani Planum, Journal of Geophysical Research-Planets, 115, doi:10.1029/2010je003660.

Kratt, C., W. M. Calvin, M. F. Coolbaugh (2010), Mineral mapping in the Pyramid Lake basin: Hydrothermal alteration, chemical precipitates and geothermal energy potential, Remote Sensing of Environment, 114 (10), pp. 2297-2304, Oct. 15 2010.

(60) Cantor, B. A., P. B. James, and W. M. Calvin (2010), MARCI and MOC Observations of the atmosphere and surface cap in the North Polar Region of Mars, Icarus, doi:10.1016/j.icarus.2010.01.032.

Brown A. J., W. M. Calvin, P. C. McGuire, S. L. Murchie (2010), Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) south polar mapping: First Mars year of observations, J. Geophys. Res., 115, E00D13, doi:10.1029/2009JE003333.


Thomas, P.C., P. B. James, W. M. Calvin, R. Haberle, M. C. Malin (2009), Residual South Polar Cap of Mars: Stratigraphy, history, and implications of recent changes Icarus, 352–37, doi:10.1016/j.icarus.2009.05.014

Bishop, J. L., et al. (2009) Mineralogy of Juventae Chasma: Sulfates in the Light-toned Mounds, Mafic Minerals in the Bedrock, and Hydrated Silica and Hydroxylated Ferric Sulfate on the Plateau. J. Geophys. Res.-Planets, Vol. 114, E00D09, doi:10.1029/2009JE003352.

Calvin, W. M., et al. (2009) Compact Reconnaissance Imaging Spectrometer for Mars observations of northern Martian latitudes in summer, Journal of Geophysical Research-Planets, 114, doi:10.1029/2009je003348..

Bell, J. F., et al. (2009), Mars Reconnaissance Orbiter Mars Color Imager (MARCI): Instrument description, calibration, and performance, Journal of Geophysical Research-Planets, 114, doi:10.1029/2008je003315.

Squyres, S.W. et al. (2009) Exploration of Victoria Crater by the Rover Opportunity, Science, 324, 1058, DOI: 10.1126/science.1170355.


Ehlmann, BL, et al. (2008), Orbital Identification of Carbonate-Bearing Rocks on Mars, Science, 322, 5909, 1828-1832.

Calvin, W. M., et al. (2008), Hematite spherules at Meridiani: Results from MI, Mini-TES, and Pancam, Journal of Geophysical Research-Planets, 113, E12S37, doi:10.1029/2007JE003048.

Squyres, S. W., et al. (2008), Detection of silica-rich deposits on Mars, Science, 320, 1063-1067. DOI: 10.1126/science.1155429

(50) Malin, M. C., et al. (2008), Climate, weather, and north polar observations from the Mars Reconnaissance Orbiter Mars Color Imager, Icarus, 194, pp. 501-512, doi:10.1016/j.icarus.2007.10.016.

Calvin, W. M. and T.N. Titus (2008) Summer Season Variability of the North Residual Cap of Mars as Observed by the Mars Global Surveyor Thermal Emission Spectrometer (MGS-TES), Planetary and Space Science, 56, pp. 212-226, doi:10.1016/j.pss.2007.08.005.


Malin, M. C., et al. (2007) Context Camera Investigation on board the Mars Reconnaissance Orbiter, Journal of Geophysical Research-Planets, 112, E05S04, doi:10.1029/2006JE002808.

Farrand, W. H., et al. (2007) Visible and near-infrared multispectral analysis of rocks at Meridiani Planum, Mars, by the Mars Exploration Rover Opportunity, Journal of Geophysical Research-Planets, 112, E06S02, doi:10.1029/2006JE002773.

Coolbaugh, M. F., C. Kratt, A. Fallacaro, W. M. Calvin, and J. V. Taranik, (2007) Detection of geothermal anomalies using Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) thermal infrared images at Bradys Hot Springs, Nevada, USA, Remote Sensing of Environment, 106, pp. 350-359.


Squyres, S. W., et al. (2006) Overview of the Opportunity Mars Exploration Rover mission to Meridiani Planum: Eagle crater to Purgatory ripple, Journal of Geophysical Research-Planets, 111, doi:10.1029/2006JE002771.

Kratt, C., W. Calvin, and M. Coolbaugh, (2006) Geothermal exploration with hyperspectral data at Brady-Desert Peak, Nevada, Remote Sensing of Environment, 104, 313-324 .

Squyres, S. W., et al. (2006) Two Years at Meridiani Planum: Results from the Opportunity Rover, Science, 313, 1403-1407, DOI: 10.1126/science.1130890.

Glotch T. D., et al. (2006) Mineralogy of the light-toned outcrop at Meridiani Planum as seen by the Miniature Thermal Emission Spectrometer and implications for its formation, J. Geophys. Res., 111, E12S03, doi:10.1029/2005JE002672.

Fallacaro, A. and W. M. Calvin, (2006) Spectral Properties of Lake Superior Banded Iron Formation: Application to Martian Hematite Deposits. Astrobiology, 6, 563-580.

(40) Arvidson R. E., et al. (2006) Overview of the Spirit Mars Exploration Rover Mission to Gusev Crater: Landing site to Backstay Rock in the Columbia Hills, J. Geophys. Res., 111, E02S01, doi:10.1029/2005JE002499.


Clark, B. C., et al. (2005) Chemistry and mineralogy of outcrops at Meridiani Planum, Earth Planet. Sci. Lett., 240 (1), 73-94, 2005.

Grotzinger, J.P., et al. (2005) Stratigraphy and sedimentology of a dry to wet eolian depositional system, Burns Formation, Meridiani Planum, Mars, Earth Planet. Sci. Lett., 240, 11-72.

McLennan, S.M., et al. (2005) Provenance and diagenesis of the evaporite-bearing Burns formation, Meridiani Planum, Mars, Earth Planet. Sci. Lett, 240 (1), 95-121.

Vaughan, R.G., S.J. Hook, W.M. Calvin and J.V. Taranik (2005) Surface mineral mapping at Steamboat Springs, Nevada, USA, with multi-wavelength thermal infrared images, Remote Sensing of Environment, 99 (1-2), pp. 140-158.

Sullivan R, et al. (2005) Aeolian processes at the Mars Exploration Rover Meridiani Planum landing site, Nature, 436 (7047), pp. 58-61.


Squyres SW, et al. (2004) The Opportunity Rover’s Athena Science Investigation at Meridiani Planum, Mars, Science, 306 (5702), pp. 1698-1703.

Bell JF, et al. (2004) Pancam Multispectral Imaging Results from the Opportunity Rover at Meridiani Planum, Science, 306 (5702), pp. 1703-1709.

Squyres SW, et al. (2004) In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars, Science, 306, (5702), pp. 1709-1714.

Soderblom LA, et al. (2004) Soils of Eagle Crater and Meridiani Planum at the Opportunity Rover Landing Site, Science, 306, (5702), pp. 1723-1726.

(30) Christensen PR, et al. (2004) Mineralogy at Meridiani Planum from the Mini-TES Experiment on the Opportunity Rover, Science, 306, (5702), pp. 1733-1739.

Squyres SW, et al. (2004) The Spirit Rover’s Athena Science Investigation at Gusev Crater, Mars, Science, 305, (5685), pp.794-799.

Bell JF, et al. (2004) Pancam Multispectral Imaging Results from the Spirit Rover at Gusev Crater, Science, 305, (5685), pp. 800-806.

Christensen PR, et al. (2004) Initial Results from the Mini-TES Experiment in Gusev Crater from the Spirit Rover, Science, 305, (5685), pp. 837-842.

Baldridge, A.M. and W.M. Calvin (2004) Hydration state of the Martian coarse-grained hematite exposures: Implications for their origin and evolution. J. Geophys. Res., 109, E04S90, doi:10.1029/2003JE002066.


Vaughan, R.G., W.M. Calvin, and J.V. Taranik (2003) SEBASS hyperspectral thermal infrared data: Calibrated surface emissivity and mineral mapping, Remote Sensing of Environment, 85, (1), 48-63.


Spencer, J.R. and W.M. Calvin (2002) Condensed O2 on Europa and Callisto, Astronomical J., 124, 3400-3403.

Calvin, W.M., M. Milman, and H. H. Kieffer (2002) Reflectance of Antarctica from 3 to 5 mm: Discrimination of surface snow and cloud properties. Annals of Glaciology, 34,121-126.

Malin, M.C., et al. (2001) Mars Color Imager (MARCI) on the Mars Climate Orbiter, J. Geophys. Res., 106, 17651-17672.

Clifford, S. M. et al. (2000) The state and future of Mars polar science and exploration, Icarus, 144, pp. 210-242.

(20) Brown, M.E. and W.M. Calvin (2000) Evidence for crystalline water and ammonia ices on Pluto’s satellite Charon, Science, 287, 107-109.

Prior to 2000

Calvin, W.M. (1998) Could Mars be dark and altered?, Geophys. Res. Lett., 25,1597-1600.

Calvin, W.M. and Spencer, J.R. (1997) Latitudinal distribution of O2 on Ganymede: Observations with the Hubble Space Telescope. Icarus, 130, 505-516.

Calvin, W. M. and King, T. V. V. (1997) Spectral characteristics of Fe-bearing phyllosilicates: Comparison to Orgueil (CI1), Murchison and Murray (CM2). Meteoritics and Planetary Science, 32, pp. 693-701.

Erard, S. and Calvin, W.M. (1997) New composite spectra of Mars, 0.4 – 5.7 mm, Icarus, 130, pp. 449-460.

Calvin, W.M. (1997) Variation of the 3-mm absorption feature on Mars: Observations over eastern Valles Marineris by the Mariner 6 infrared spectrometer. J. Geophys. Res., 102, pp. 9097-9107.

Carlson R, et al. (1996) Near-infrared spectroscopy and spectral mapping of Jupiter and the Galilean satellites: First results from Galileo’s initial orbit, Science, 274, 385-388.

Calvin, W.M., Johnson, R.E., and Spencer, J.R. (1996) O2 on Ganymede: Spectral characteristics and plasma formation mechanisms, Geophys. Res. Lett., 23, 673-676.

Bell III, J.F., Calvin, W.M., Ockert-Bell, M.E., Crisp, D., Pollack, J.B., and Spencer, J. (1996) Detection and monitoring of H2O and CO2 ice clouds on Mars, J. Geophys. Res., 101, 9227-9237.

Calvin, W.M., Clark, R.N., Brown, R.H., and Spencer, J.R. (1995) Spectra of the icy Galilean satellites from 0.2- to 5-mm: A compilation, new observations and a recent summary, J. Geophys. Res., 100, 19041-19048.

(10) Spencer, J.R., Calvin, W.M., and Person, M.J. (1995) Charge-coupled device spectra of the Galilean satellites: Molecular Oxygen on Ganymede, J. Geophys. Res., 100, pp. 19049 – 19056.

Smythe WD et al. (1995) Galilean satellite observation plans for the Near infrared mapping spectrometer experiment on the Galileo spacecraft, J. Geophys. Res., 100,18957-18972.

Calvin, W.M., and Martin, T.Z. (1994) Spatial variability in the seasonal south polar cap of Mars, J. Geophys. Res., 99, pp. 21,143 – 21,152.

Calvin, W.M., King, T.V.V., and Clark, R.N. (1994) Hydrous Carbonates on Mars? Evidence from Mariner 6/7 infrared spectrometer and groundbased telescopic spectra: J. Geophys. Res. 99, 14659 – 14675.

Clark, R.N., Swayze, G.A., King, T.V.V., Gallagher, A., Calvin, W.M. (1993) The U. S. Geological Survey, Digital Spectral library: Version 1: 0.2 to 3.0-mm. USGS Open File Report 93-592.

Calvin, W.M. and Clark, R.N. (1993) Spectral distinctions between the leading and trailing hemispheres of Callisto: New observations, Icarus, 104, 69-78.

King, T.V.V., Clark, R.N., Calvin, W.M., Sherman, D.M., and Brown, R.H. (1992) Evidence for Ammonium-bearing minerals on Ceres, Science, 255, 1551-1553.

Calvin, W.M. and Clark, R.N. (1991) Modeling the reflectance spectrum of Callisto 0.25-4.1mm, Icarus, 89, 305-317.

Calvin, W.M. (1990) Additions and corrections to the absorption coefficients of CO2 ice: Applications to the martian south polar cap, J. Geophys. Res., 95, 14743 – 14750.

Calvin, W.M., Jakosky, B.M., and Christensen, P.R. (1988) A model of diffuse radar scattering from martian surface rocks, Icarus, 76, 513 – 524.