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Radar Backscattering of Rough Soil Surfaces From L-Band to Ku-Band With NMM3D

Zhu, Jiyue and Tsang, Leung and Liao, Tien-Hao and Johnson, Joel T. and Kang, Do Hyuk and Kim, Edward J. (2022) Radar Backscattering of Rough Soil Surfaces From L-Band to Ku-Band With NMM3D. IEEE Geoscience and Remote Sensing Letters, 19 . Art. No. 4026105. ISSN 1545-598X. doi:10.1109/lgrs.2022.3188702.

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Backscattering from rough soil surface has important applications to the remote sensing of soil moisture and snow water equivalent (SWE). To extend simulations to Ku-band, we have performed full-wave simulations up to kh = 15. Results are simulated for various profiles and show that the scattering at C-, X-, and Ku-bands is influenced by both scales of centimeters roughness and millimeter roughness. Comparisons are made between constant ratios rough surface and constant ratios rough surfaces and limited correlation length rough surfaces. The results are illustrated for both VV and HH polarizations. Simulation results are in good agreement with X-band measurement data as a function of incidence angle. An illustration is used to show how the results can be used for theoretical models of rough-surface scattering in remote sensing of SWE.

Item Type:Article
Related URLs:
URLURL TypeDescription
Zhu, Jiyue0000-0003-0638-8790
Tsang, Leung0000-0003-3192-2799
Liao, Tien-Hao0000-0002-0678-5545
Johnson, Joel T.0000-0002-6921-6059
Kang, Do Hyuk0000-0002-8764-8883
Kim, Edward J.0000-0002-9828-4624
Additional Information:© 2022 IEEE. Manuscript received 11 June 2022; accepted 28 June 2022. Date of publication 6 July 2022; date of current version 29 July 2022. This work was supported by the NASA Terrestrial Hydrology Program.
Funding AgencyGrant Number
Subject Keywords:Remote sensing of snow water equivalent (SWE), remote sensing of soil moisture, rough-surface scattering
Record Number:CaltechAUTHORS:20220811-235211000
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Official Citation:J. Zhu, L. Tsang, T. -H. Liao, J. T. Johnson, D. H. Kang and E. J. Kim, "Radar Backscattering of Rough Soil Surfaces From L-Band to Ku-Band With NMM3D," in IEEE Geoscience and Remote Sensing Letters, vol. 19, pp. 1-5, 2022, Art no. 4026105, doi: 10.1109/LGRS.2022.3188702.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:116261
Deposited By: George Porter
Deposited On:15 Aug 2022 20:37
Last Modified:15 Aug 2022 20:37

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