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Multi-temporal microwave retrievals of Soil Moisture and vegetation parameters from SMAP

AuthorsPiles, María ; Entekhabi, D.; Konings, A.G.; McColl, K.A.; Das, N.N.; Jagdhuber, T.
Issue Date2016
PublisherInstitute of Electrical and Electronics Engineers
Citation2016 IEEE International Geoscience and Remote Sensing Symposium, Proceedings: 242-245 (2016)
AbstractThe NASA Soil Moisture Active Passive (SMAP) mission aims at producing low (36 km) and high-resolution (9 km) global maps of surface soil moisture based on L-band radiometer and radar/radiometer measurements, respectively. In this research study, results of applying a novel retrieval algorithm, the so-called Multi-Temporal Dual Channel Algorithm (MT-DCA) to the first year of SMAP observations are presented. MT-DCA allows retrieving not only soil moisture, but also vegetation optical depth (VOD) and scattering albedo estimates, from passive microwave measurements alone and without reliance of a priori information. At L-band, VOD is proportional to total vegetation water content and albedo accounts for structural changes. The analysis of these parameters at different temporal and spatial scales will reveal the full potential of L-band microwave for global ecology studies.
Description2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Advancing the understanding of our living planet, 10-15 July 2016, Beijing, China.-- 4 pages
Publisher version (URL)https://dx.doi.org/10.1109/IGARSS.2016.7729054
Identifiersdoi: 10.1109/IGARSS.2016.7729054
e-issn: 2153-7003
isbn: 978-1-5090-3332-4
Appears in Collections:(ICM) Libros y partes de libros
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