Education:
Ph.D., Geophysics, Massachusetts Institute of Technology
M.S., B.S., Geology & Geophysics, Massachusetts Institute of Technology
Research:
Land surface and cryosphere thermophysical models / Microwave radiometry / Radiobrightness models for prairie and arctic terrains; and the microwave brightness measure of water stored in soil, vegetation, and snow.
Specializations and Research Interests
Development and field calibration of Land Surface Process (LSP) models of land-atmosphere energy and moisture fluxes for northern prairie and arctic tundra
Assimilation of satellite microwave brightness data for improved estimates of moisture profiles in prairie and arctic soils and snow
Development of new technology microwave radiometers for use on towers, aircraft, and satellites
Honors, Awards and Accomplishments
Scientist-Astronaut & Senior Scientist-Astronaut, NASA
Mission Scientist, Apollo 13 & 16
Mission Specialist, Space Shuttle, Spacelab 2 Mission, 1985 — a solar astronomy & plasma physics mission
Program Scientist, Space Station
Recognition and modeling of scatter darkening as a significant factor in the radiobrightness of sea ice, snow, and frozen or dry soils
Use of satellite radiobrightness as feedback to temporal models of surface hydrology
Science advisor, EROS Data Center (Sioux Falls, SD) and National Snow and Ice Data Center (Boulder, CO)
Professional Service
American Geophysics Union
Associated Editor, Journal of Geophysical Research
Administrative Committee, Geoscience and Remote Sensing Society
Fellow, IEEE
Member, National Research Council's Space Studies Board and co-chair of its Joint Committee on Technology