Elachi, Charles and Roth, Ladislav E. and Schaber, Gerald G. (1984) Spaceborne Radar Subsurface Imaging in Hyperarid Regions. IEEE Transactions on Geoscience and Remote Sensing, GE-22 (4). pp. 383-388. ISSN 0196-2892. https://resolver.caltech.edu/CaltechAUTHORS:20190304-111722406
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Abstract
Imaging data acquired with the Shuttle Imaging Radar (SIR-A) over the hyperarid region of Egypt/Sudan clearly show surface penetration through the sand cover. Even though absorption does occur in the sand layer, surface refraction leads to a steeper incidence angle at the sand/bedrock interface resulting in a stronger backscatter. A simple backscatter model shows that for a low-loss thin sand layer the presence of the covering layer enhances the capability to image the subsurface interface, particularly at large incidence angles and HH polarization.
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| Additional Information: | © 1984 IEEE. Manuscript received April 6, 1983; revised December 1, 1983. This work was performed at the Jet Propulsion Laboratory, California Institute of Technology, and was supported by NASA under contract NAS7-100. The authors acknowledge the help of R. Blom and W. Stromberg of JPL, who processed and enhanced the images shown in Fig. 2 and on the cover. | ||||||
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| Issue or Number: | 4 | ||||||
| Record Number: | CaltechAUTHORS:20190304-111722406 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190304-111722406 | ||||||
| Official Citation: | C. Elachi, L. E. Roth and G. G. Schaber, "Spaceborne Radar Subsurface Imaging in Hyperarid Regions," in IEEE Transactions on Geoscience and Remote Sensing, vol. GE-22, no. 4, pp. 383-388, July 1984. doi: 10.1109/TGRS.1984.350641 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 93435 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 04 Mar 2019 19:22 | ||||||
| Last Modified: | 03 Oct 2019 20:54 |
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