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Título: | Multi-temporal microwave retrievals of Soil Moisture and vegetation parameters from SMAP |
Autor: | Piles, María CSIC ORCID; Entekhabi, Dara; Konings, A.G.; McColl, K.A.; Das, Narendra N.; Jagdhuber, Thomas | Fecha de publicación: | 2016 | Editor: | Institute of Electrical and Electronics Engineers | Citación: | 2016 IEEE International Geoscience and Remote Sensing Symposium, Proceedings: 242-245 (2016) | Resumen: | The 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. | Descripción: | 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Advancing the understanding of our living planet, 10-15 July 2016, Beijing, China.-- 4 pages | Versión del editor: | https://doi.org/10.1109/IGARSS.2016.7729054 | URI: | http://hdl.handle.net/10261/144065 | DOI: | 10.1109/IGARSS.2016.7729054 | Identificadores: | e-issn: 2153-7003 isbn: 978-1-5090-3332-4 |
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