Abstract
A joint approach for estimating vertically continuous soil moisture profiles by combining P-band SAR polarimetry with soil hydrological modeling is proposed. The approach compares the decomposed soil scattering component from remotely sensed P-band SAR observations of NASA's Airborne Microwave Observatory of Subcanopy and Subsurface (AirMOSS) mission with an ensemble of simulated counterparts based on the hydrological model HYDRUS-1D and the soil scattering model multi-layer small perturbation method (SPM). From the best fit between remote sensing and soil modeling, the most probable soil moisture profile can be retrieved. Estimated soil moisture profiles at individual monitoring stations across the U.S. are compared to in situ measurements, as well as the European ReAnalysis (ERA5) land and AirMOSS L4 products. Pearson's coefficient of determination between estimated and auxiliary products prove the overall feasibility of the proposed method with respective R2 of 0.92, 0.95, and 0.87.
Original language | English |
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Title of host publication | IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, Proceedings |
Number of pages | 4 |
Publisher | IEEE (Institute of Electrical and Electronics Engineers) |
Publication date | 20 Oct 2023 |
Pages | 2846-2849 |
ISBN (Print) | 979-8-3503-2009-1, 979-8-3503-3174-5 |
ISBN (Electronic) | 979-8-3503-2010-7 |
DOIs | |
Publication status | Published - 20 Oct 2023 |
Event | 2023 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2023 - Pasadena, United States Duration: 16 Jul 2023 → 21 Jul 2023 |
Conference
Conference | 2023 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2023 |
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Country/Territory | United States |
City | Pasadena |
Period | 16/07/2023 → 21/07/2023 |
Sponsor | The Institute of Electrical and Electronics Engineers Geoscience and Remote Sensing Society (GRSS) |
Series | IEEE International Geoscience and Remote Sensing Symposium IGARSS |
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ISSN | 2153-7003 |
Bibliographical note
Publisher Copyright:© 2023 IEEE.
Keywords
- AirMOSS
- HYDRUS-1D
- multi-layer SPM
- polarimetry
- SAR
- soil moisture profile