Sciences and Exploration Directorate

Stephen Scheidt

(ASSOCIATE RESEARCH SCIENTIST)

 stephen.scheidt@nasa.gov

 301.286.1111

Org Code: 698

NASA/GSFC
Mail Code: 698
Greenbelt, MD 20771

Employer: UNIV OF MARYLAND COLLEGE PARK

Education


Ph.D. in Geology from University of Pittsburgh, 2009

M.S. in Geological Science from University of South Carolina, 2002

B.S. in Environmental Science from University of Toledo, 1999

Positions/Employment


Associate Research Scientist

Howard University, Goddard Space Flight Center - Greenbelt, MD

January 2020 - Present

Conducted fundamental research on aeolian and volcanic systems utilizing remote sensing, computer vision, stereophotogrammetry and field methods. Utilization of unmanned aerial systems (UAS) for the production of digital terrain models and orthoimage mosaics. 


Associate Research Scientist

Planetary Science Institute - Tucson, AZ

August 2018 - Present

Geological mapping of Alba Mons, focusing on vocanic tube systems and valley networks. Geological field work to map lava flows utilizing unmanned aerial systems (UAS). Geological fieldwork and computer vision applications to tracking dust devils in the field utilizing stereophotogrammetry.


Consultant

Southeastern University Research Association Goddard Space Flight Center - Greenbelt, MD

June 2019 - December 2019

Conducted fundamental research on aeolian and volcanic systems utilizing remote sensing, computer vision, stereophotogrammetry and field methods. Utilization of unmanned aerial systems (UAS) for the production of digital terrain models and orthoimage mosaics. 


Adjunct Instructor

Community College of Baltimore County - Catonsville, MD

January 2019 - December 2019

Taught introductory courses on 3D design and digital fabrication methods, such as laser cutting, 3D printing and CNC milling. Supervised activities in the Fab Lab part time.


Associate Staff Scientist

Lunar and Planetary Laboratory University of Arizona - Tucson, AZ

October 2015 - August 2018

Conducted fundamental research on aeolian and volcanic systems utilizing remote sensing, computer vision, stereophotogrammetry and field methods. Utilization of unmanned aerial systems (UAS) for the production of digital terrain models and orthoimage mosaics. 


Postdoctoral Scientist

Lunar and Planetary Laboratory University of Arizona - Tucson, AZ

October 2014 - October 2015

Conducted fundamental research on aeolian and volcanic systems utilizing remote sensing, computer vision, stereophotogrammetry and field methods. Utilization of unmanned aerial systems (UAS) for the production of digital terrain models and orthoimage mosaics. 


Postdoctoral Scientist

Center for Earth and Planetary Studies (CEPS) Smithsonian Institution - Washington, DC

September 2010 - September 2014

Conducted fundamental research on aeolian and volcanic systems utilizing remote sensing, computer vision, stereophotogrammetry and field methods. Geological mapping of the Medusae Fossae Formation on Mars. 


Adjunct Geology Instructor

Northern Virginia Community College - Alexandria, VA

August 2013 - May 2014

Taught introductory and historical geology courses.


Lead Imagery Scientist

BAE Systems, Inc - McLean, VA

July 2012 - February 2013

Analyzed and reported findings on hyperspectral remote sensing image data in a production environment.


Postdoctoral Research Scientist

Desert Research Institute - Reno, NV

January 2010 - September 2010

Conducted fundamental research on aeolian systems utilizing thermal infrared remote sensing methods.


Research and Teaching Assistant

University of Pittsburgh - Pittsburgh, PA

June 2004 - December 2009

Conducted fundamental research on aeolian systems utilizing thermal infrared remote sensing, laboratory and field methods. Taught laboratory courses for introductory geology and advance remote sensing laboratories. 


Geoscientist

Shield Environmental - Monroeville, PA

March 2002 - April 2004

Conducted fieldwork for hydrologic groundwater contamination monitoring and compliance.


Geologist

Research Planning, Inc - Columbia, SC

August 2002 - March 2003

Filled a variety of roles on a field team conducting shoreline surveys (littoral zone) in the Persian Gulf. These included GPS technician, biologist, geology and field team supervisor.


Research and Teaching Assistant

University of South Carolina - Columbia, SC

August 1999 - August 2002

Conducted fundamental research on the environmental impact of atmospheric mercury deposition in the southeastern U.S. Taught laboratory classes for introductory geology courses.

Selected Publications


Refereed

Bonnefoy, L., C. Hamilton, S. Scheidt, et al. S. Duhamel, Á. Höskuldsson, I. Jónsdottir, T. Thordarson, and U. Münzer. 2019. Landscape evolution associated with the 2014–2015 Holuhraun eruption in Iceland Journal of Volcanology and Geothermal Research 387 106652 [10.1016/j.jvolgeores.2019.07.019]

Young, K. E., J. E. Bleacher, A. D. Rogers, et al. H. H. Schmitt, A. C. McAdam, W. B. Garry, P. L. Whelley, S. P. Scheidt, G. Ito, C. A. Knudson, T. G. Graff, L. V. Bleacher, N. Whelley, C. A. Evans, J. M. Hurtado, and T. D. Glotch. 2018. The Incorporation of Field Portable Instrumentation Into Human Planetary Surface Exploration Earth and Space Science 5 24 [10.1029/2018ea000378]

Hamilton, C. W., P. J. Mouginis-Mark, M. M. Sori, S. P. Scheidt, and A. M. Bramson. 2018. Episodes of Aqueous Flooding and Effusive Volcanism Associated With Hrad Vallis, Mars Journal of Geophysical Research: Planets 123 (6): 1484-1510 [10.1029/2018je005543]

Palafox, L. F., C. W. Hamilton, S. P. Scheidt, and A. M. Alvarez. 2017. Automated detection of geological landforms on Mars using Convolutional Neural Networks Computers & Geosciences 101 48-56 [10.1016/j.cageo.2016.12.015]

Zimbelman, J., S. Scheidt, S. de Silva, et al. N. Bridges, M. Spagnuolo, and E. Neely. 2016. Aerodynamic roughness height for gravel-mantled megaripples, with implications for wind profiles near TARs on Mars Icarus 266 306-314 [10.1016/j.icarus.2015.11.008]

Lorenz, R. D., and S. P. Scheidt. 2014. Compact and inexpensive kite apparatus for geomorphological field aerial photography, with some remarks on operations GeoResJ 3-4 1-8 [10.1016/j.grj.2014.06.001]

Zimbelman, J. R., and S. P. Scheidt. 2014. Precision topography of a reversing sand dune at Bruneau Dunes, Idaho, as an analog for Transverse Aeolian Ridges on Mars Icarus 230 29-37 [10.1016/j.icarus.2013.08.004]

Scheidt, S. P., and N. Lancaster. 2013. The application of COSI-Corr to determine dune system dynamics in the southern Namib Desert using ASTER data Earth Surface Processes and Landforms 38 (9): 1004-1019 [10.1002/esp.3383]

Zimbelman, J. R., and S. P. Scheidt. 2012. Hesperian Age for Western Medusae Fossae Formation, Mars Science 336 (6089): 1683-1683 [10.1126/science.1221094]

Scheidt, S., N. Lancaster, and M. Ramsey. 2011. Eolian dynamics and sediment mixing in the Gran Desierto, Mexico, determined from thermal infrared spectroscopy and remote-sensing data Geological Society of America Bulletin 123 (7-8): 1628-1644 [10.1130/b30338.1]

Scheidt, S., M. Ramsey, and N. Lancaster. 2010. Determining soil moisture and sediment availability at White Sands Dune Field, New Mexico, from apparent thermal inertia data Journal of Geophysical Research: Earth Surface 115 (F2): [10.1029/2009jf001378]

Katra, I., S. Scheidt, and N. Lancaster. 2009. Changes in active eolian sand at northern Coachella Valley, California Geomorphology 105 (3-4): 277-290 [10.1016/j.geomorph.2008.10.004]

Scheidt, S., M. Ramsey, and N. Lancaster. 2008. Radiometric normalization and image mosaic generation of ASTER thermal infrared data: An application to extensive sand sheets and dune fields Remote Sensing of Environment 112 (3): 920-933 [10.1016/j.rse.2007.06.020]