Photo of Mary Keller

Mary Keller

View All People
Geophysicist
Not listed
  • Master of Science, Geophysics
    1983, Virginia Tech
  • Bachelor of Science, Geophysics
    1982, Virginia Tech

Extensive background in active and passive microwave remote sensing of the Earth, ocean, and atmosphere. Have analyzed delay-Doppler ice sounding data to retrieve ice thickness over the Greenland and Antarctic ice sheets. Have derived Stokes parameters and daughter products for hybrid-polarity radars for planetary exploration applications. Have extensive experience in modeling and analysis of active and passive microwave remote sensing data to retrieve geophysical parameters from the ocean and from sea ice. Have served as principal scientist in a wind-wave facility to measure radar backscatter from water waves and targets under a wide variety of laboratory conditions and in the field. Have led field efforts to calibrate active microwave sensors, measure atmospheric water vapor, and conduct stereo optical measurements of water waves. Have developed analysis software for mine and Unexploded Ordinance (UXO) time decay signatures, analyzed data acquired from buried mines and false alarms, and presented the results to the scientific community. Have participated in analysis of ground and flight calibration efforts for space-bourne optical sensors for planetary exploration.

Notable Awards and Leadership

Year(s) Description
2013 - Present Canadian Aeronautics and Space Institute
1996 - Present American Geophysical Union
2003, 2010, 2015 Stuart S. Janney Fellow
2013 - 2014 American Meteorological Society
2013 Winner, Earth Science Innovation Mission Concept Development Competition
2013 Nominated,APL Invention of the Year for "Active/Passive Polarimetric Microwave Sea Ice Discrimination"
2008 NASA Achievement Award for work on MESSENGER team
1996 - 2000 American Association for the Advancement of Science
1980 - 1982 Society of Exploration Geophysicists
1981 Phi Beta Kappa
2018-present Institute of Electronic and Electrical Engineers

Scholarly Publications

Active/Passive Multiple Polarization Sea Ice Detection During Initial Freeze-Up

IEEE Transactions on Geoscience and Remote Sensing, 2020
, (2020), Active/Passive Multiple Polarization Sea Ice Detection During Initial Freeze-Up, IEEE Transactions on Geoscience and Remote Sensing

Satellite sensor requirements for monitoring essential biodiversity variables of coastal ecosystems

Ecological Applications, 2018
Frank E. Muller-Karger and Erin Hestir and Christiana Ade and Kevin Turpie and Dar A. Roberts and David Siegel and Robert J. Miller and David Humm and Noam Izenberg and Mary Keller and Frank Morgan and Robert Frouin and Arnold G. Dekker and Royal Gardner and James Goodman and Blake Schaeffer and Bryan A. Franz and Nima Pahlevan and Antonio G. Mannino and Javier A. Concha and Steven G. Ackleson and Kyle C. Cavanaugh and Anastasia Romanou and Maria Tzortziou and Emmanuel S. Boss and Ryan Pavlick and Anthony Freeman and Cecile S. Rousseaux and John Dunne and Matthew C. Long and Eduardo Klein and Galen A. McKinley and Joachim Goes and Ricardo Letelier and Maria Kavanaugh and Mitchell Roffer and Astrid Bracher and Kevin R. Arrigo and Heidi Dierssen and Xiaodong Zhang and Frank W. Davis and Ben Best and Robert Guralnick and John Moisan and Heidi M. Sosik and Raphael Kudela and Colleen B. Mouw and Andrew H. Barnard and Sherry Palacios and Collin Roesler and Evangelia G. Drakou and Ward Appeltans and Walter Jetz, (2018), Satellite sensor requirements for monitoring essential biodiversity variables of coastal ecosystems, Ecological Applications , 28, 3, 749--760, https://doi.org/10.1002/eap.1682

Testing the expanding-contracting polar cap paradigm

Journal of Geophysical Research-Space Physics, 2017
Sotirelis, Thomas and Keller, Mary Ruth and Liou, Kan and Smith, Daniel and Barnes, Robin J. and Talaat, Elsayed and Baker, Joseph B. H., (2017), Testing the expanding-contracting polar cap paradigm, Journal of Geophysical Research-Space Physics, 122, 7, 7077-7086

Ice analysis based on active and passive radar images

2017
Keller, M.R. and Gifford, C.M. and Walton, W.C. and Winstead, N.S., (2017 ), Ice analysis based on active and passive radar images

Ice analysis based on active and passive radar images

2017
Keller, M.R. and Gifford, C.M. and Walton, W.C. and Winstead, N.S., (2017 ), Ice analysis based on active and passive radar images

Calibration, Projection, and Final Image Products of MESSENGER’s Mercury Dual Imaging System

Space Science Reviews, 2017
Denevi, Brett W. and Chabot, Nancy L. and Murchie, Scott L. and Becker, Kris J. and Blewett, David T. and Domingue, Deborah L. and Ernst, Carolyn M. and Hash, Christopher D. and Hawkins, S. Edward and Keller, Mary R. and Laslo, Nori R. and Nair, Hari and Robinson, Mark S. and Seelos, Frank P. and Stephens, Grant K. and Turner, F. Scott and Solomon, Sean C., (2017), Calibration, Projection, and Final Image Products of MESSENGER’s Mercury Dual Imaging System, Space Science Reviews, 214, 1, 2

Ice analysis based on active and passive radar images

2017
Keller, M.R. and Gifford, C.M. and Walton, W.C. and Winstead, N.S., (2017 ), Ice analysis based on active and passive radar images

A spaceborne visible-NIR hyperspectral imager for coastal phenology

Proc.SPIE, 2016
(2016), A spaceborne visible-NIR hyperspectral imager for coastal phenology, Proc.SPIE, 10000 - 10000 - 13

Orbital multispectral mapping of Mercury with the MESSENGER Mercury Dual Imaging System: Evidence for the origins of plains units and low-reflectance material

Icarus, 2015
Murchie, Scott L. and Klima, Rachel L. and Denevi, Brett W. and Ernst, Carolyn M. and Keller, Mary R. and Domingue, Deborah L. and Blewett, David T. and Chabot, Nancy L. and Hash, Christopher D. and Malaret, Erick and Izenberg, Noam R. and Vilas, Faith and Nittler, Larry R. and Gillis-Davis, Jeffrey J. and Head, James W. and Solomon, Sean C., (2015), Orbital multispectral mapping of Mercury with the MESSENGER Mercury Dual Imaging System: Evidence for the origins of plains units and low-reflectance material, Icarus, 254, 287-305

Time-Dependent Calibration of Messenger's Wide-Angle Camera Following a Contamination Event

2013
R. Keller, M. and M. Ernst, C. and W. Denevi, B. and L. Murchie, S. and L. Chabot, N. and J. Becker, K. and D. Hash, C. and Domingue, Deborah and E. Sterner, R., (2013), Time-Dependent Calibration of Messenger's Wide-Angle Camera Following a Contamination Event

Time-Dependent Calibration of Messenger's Wide-Angle Camera Following a Contamination Event

2013
R. Keller, M. and M. Ernst, C. and W. Denevi, B. and L. Murchie, S. and L. Chabot, N. and J. Becker, K. and D. Hash, C. and Domingue, Deborah and E. Sterner, R., (2013), Time-Dependent Calibration of Messenger's Wide-Angle Camera Following a Contamination Event

The mercury dual imaging system on the MESSENGER spacecraft

Space Science Reviews, 2007
Hawkins, S. Edward, III and Boldt, John D. and Darlington, Edward H. and Espiritu, Raymond and Gold, Robert E. and Gotwols, Bruce and Grey, Matthew P. and Hash, Christopher D. and Hayes, John R. and Jaskulek, Steven E. and Kardian, Charles J., Jr. and Keller, Mary R. and Malaret, Erick R. and Murchie, Scott L. and Murphy, Patricia K. and Peacock, Keith and Prockter, Louise M. and Reiter, R. Alan and Robinson, Mark S. and Schaefer, Edward D. and Shelton, Richard G. and Sterner, Raymond E., II and Taylor, Howard W. and Watters, Thomas R. and Williams, Bruce D., (2007), The mercury dual imaging system on the MESSENGER spacecraft, Space Science Reviews, 131, 1-4, 247-338

Dense object detection system and method

2006
Nelson, C.V. and Keller, M.R., (2006 ), Dense object detection system and method

Dense object detection system and method

2006
Nelson, C.V. and Keller, M.R., (2006 ), Dense object detection system and method

Dense object detection system and method

2006
Nelson, C.V. and Keller, M.R., (2006 ), Dense object detection system and method

Multiple sea spike definitions: reducing the clutter

IEEE International Geoscience and Remote Sensing Symposium, 2002
M. R. Keller and B. L. Gotwols and R. D. Chapman, (2002), Multiple sea spike definitions: reducing the clutter, IEEE International Geoscience and Remote Sensing Symposium, 2, 940-942 vol.2

Wide-bandwidth time decay signatures from UXO targets

Proc.SPIE, 2002
(2002), Wide-bandwidth time decay signatures from UXO targets, Proc.SPIE, 4742 - 4742 - 10

Data fusion for use of passive microwave data in operational sea-ice monitoring

Geoscience and Remote Sensing Symposium, 1999. IGARSS '99 Proceedings. IEEE 1999 International, 1999
K. Partington and M. R. Keller and P. Seymour and C. Bertoia, (1999), Data fusion for use of passive microwave data in operational sea-ice monitoring, Geoscience and Remote Sensing Symposium, 1999. IGARSS '99 Proceedings. IEEE 1999 International, 3, 1579-1581 vol.3

COMPARISON OF OPTICALLY-DERIVED SPECTRAL DENSITIES AND MICROWAVE CROSS-SECTIONS IN A WIND-WAVE TANK

Journal of Geophysical Research-Oceans, 1995
KELLER, MR and GOTWOLS, BL and PLANT, WJ and KELLER, WC, (1995), COMPARISON OF OPTICALLY-DERIVED SPECTRAL DENSITIES AND MICROWAVE CROSS-SECTIONS IN A WIND-WAVE TANK, Journal of Geophysical Research-Oceans, 100, C8, 16163-16178

Passive and active bistatic target and background studies at 95 GHz

Proc.SPIE, 1995
(1995), Passive and active bistatic target and background studies at 95 GHz, Proc.SPIE, 2469 - 2469 - 11

Wave-wave interactions in a wind-wavetank as measured with microwave and optical systems

Conference Proceedings Second Topical Symposium on Combined Optical-Microwave Earth and Atmosphere Sensing, 1995
M. R. Keller and B. L. Gotwols and W. J. Plant and W. C. Keller, (1995), Wave-wave interactions in a wind-wavetank as measured with microwave and optical systems, Conference Proceedings Second Topical Symposium on Combined Optical-Microwave Earth and Atmosphere Sensing, 74

Comparison of microwave backscatter with optically-derived cross sections from wind-generated waves in a wavetank

Geoscience and Remote Sensing Symposium, 1994. IGARSS '94. Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation., International, 1994
M. R. Keller and B. L. Gotwols and W. J. Plant and W. C. Keller, (1994), Comparison of microwave backscatter with optically-derived cross sections from wind-generated waves in a wavetank, Geoscience and Remote Sensing Symposium, 1994. IGARSS '94. Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation., International, 4, 2424-2426 vol.4

A WAVE TANK STUDY OF THE DEPENDENCE OF X-BAND CROSS-SECTIONS ON WIND-SPEED AND WATER TEMPERATURE

Journal of Geophysical Research-Oceans, 1992
KELLER, MR and KELLER, WC and PLANT, WJ, (1992), A WAVE TANK STUDY OF THE DEPENDENCE OF X-BAND CROSS-SECTIONS ON WIND-SPEED AND WATER TEMPERATURE, Journal of Geophysical Research-Oceans, 97, C4, 5771-5792

Ka-band Cross Sections Measured In A Wind-wavetank

Conference Proceedings on Engineering in the Ocean Environment, 1990
M. R. Keller and W. C. Keller and B. L. Gotwols, (1990), Ka-band Cross Sections Measured In A Wind-wavetank, Conference Proceedings on Engineering in the Ocean Environment, 238-239

Optical and Microwave Studies in a Wind-Wave Tank

12th Canadian Symposium on Remote Sensing Geoscience and Remote Sensing Symposium, 1989
B. L. Gotwols and M. R. Keller, (1989), Optical and Microwave Studies in a Wind-Wave Tank, 12th Canadian Symposium on Remote Sensing Geoscience and Remote Sensing Symposium, 5, 2984

MULTISENSOR COMPARISON OF ICE CONCENTRATION ESTIMATES IN THE MARGINAL ICE-ZONE

Journal of Geophysical Research-Oceans, 1987
BURNS, BA and CAVALIERI, DJ and KELLER, MR and CAMPBELL, WJ and GRENFELL, TC and MAYKUT, GA and GLOERSEN, P, (1987), MULTISENSOR COMPARISON OF ICE CONCENTRATION ESTIMATES IN THE MARGINAL ICE-ZONE, Journal of Geophysical Research-Oceans, 92, C7, 6843-&

SEISMICITY, SEISMIC-REFLECTION, GRAVITY, AND GEOLOGY OF THE CENTRAL VIRGINIA SEISMIC ZONE .3. GRAVITY - REPLY

Geological Society of America Bulletin, 1986
KELLER, MR and ROBINSON, ES and GLOVER, L, (1986), SEISMICITY, SEISMIC-REFLECTION, GRAVITY, AND GEOLOGY OF THE CENTRAL VIRGINIA SEISMIC ZONE .3. GRAVITY - REPLY, Geological Society of America Bulletin, 97, 10, 1287

SEISMICITY, SEISMIC-REFLECTION, GRAVITY, AND GEOLOGY OF THE CENTRAL VIRGINIA SEISMIC ZONE .3. GRAVITY

Geological Society of America Bulletin, 1985
KELLER, MR and ROBINSON, ES and GLOVER, L, (1985), SEISMICITY, SEISMIC-REFLECTION, GRAVITY, AND GEOLOGY OF THE CENTRAL VIRGINIA SEISMIC ZONE .3. GRAVITY, Geological Society of America Bulletin, 96, 12, 1580-1584