Mathematics – Logic
Scientific paper
Mar 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992itgrs..30..382e&link_type=abstract
IEEE Transactions on Geoscience and Remote Sensing (ISSN 0196-2892), vol. 30, no. 2, March 1992, p. 382-389.
Mathematics
Logic
17
Climate Change, Earth Crust, Radar Data, Remote Sensing, Surface Roughness, Synthetic Aperture Radar, Geological Surveys, Mojave Desert (Ca)
Scientific paper
Radar remote sensing data provide a unique perspective of the earth's crust and the processes that have influenced its evolution. Physically based models are required, however, to relate the geophysical quantities being measured by the radar sensor to useful geologic information. In this study, synthetic aperture radar (SAR) data over the Cima volcanic field in the Mojave Desert of California are quantitatively connected with microtopography through inversion of a radar backscatter model. Changes in surface roughness inferred from the derived microtopography are modeled and found to be consistent with aeolian mantling as surfaces age. Estimated rates of aeolian deposition for the Cima area are compared to the Lunar Crater volcanic field in Nevada. Rates of deposition appear to be higher at Cima volcanic field, most likely because of its proximity to Soda Lake, the main source of the aeolian material.
Evans Diane L.
Farr Tom G.
van Zyl Jacob J.
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