Sensitivity to soil moisture of spaceborne GNSS-R observables

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. Departament de Física
dc.contributor	Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.contributor	Universitat Politècnica de Catalunya. CTE-CRAE - Grup de Recerca en Ciències i Tecnologies de l'Espai
dc.contributor.author	Camps Carmona, Adriano José
dc.contributor.author	Vall-Llossera Ferran, Mercedes Magdalena
dc.contributor.author	Hyuk, Park
dc.contributor.author	Portal González, Gerard
dc.contributor.author	Rossato, Luciana
dc.date	2018
dc.identifier.citation	Camps, A. [et al.]. Sensitivity to soil moisture of spaceborne GNSS-R observables. A: IEEE International Geoscience and Remote Sensing Symposium. "2018 IEEE International Geoscience & Remote Sensing Symposium: proceedings: July 22–27, 2018 Valencia, Spain". Institute of Electrical and Electronics Engineers (IEEE), 2018, p. 3161-3164.
dc.identifier.citation	978-1-5386-7150
dc.identifier.citation	10.1109/IGARSS.2018.8518942
dc.identifier.uri	http://hdl.handle.net/2117/130411
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation	https://ieeexplore.ieee.org/document/8518942
dc.relation	info:eu-repo/grantAgreement/ES/1PE/ESP2015-70014-C2-1-R
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
dc.subject	Remote sensing
dc.subject	Soil moisture
dc.subject	GNSS-R
dc.subject	TDS-1
dc.subject	Soil moisture
dc.subject	Vegetation optical depth
dc.subject	Teledetecció
dc.subject	Sòls -- Humitat
dc.title	Sensitivity to soil moisture of spaceborne GNSS-R observables
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	The potential of GNSS-R techniques to estimate land surface parameters such as Soil Moisture (SM) is experimentally studied using 2014-2017 global data from the UK TechDemoSat-1 (TDS-1) mission. The approach is based on the analysis of the sensitivity to Soil Moisture of different observables extracted from the Delay Doppler Maps (DDM) computed by the SGR-ReSI instrument using the L1 (1575.42 MHz) left-hand circularly-polarized (LHCP) reflected signals emitted by navigation satellites. After quality-filtering the data (spacecraft not `in eclipse' and the direct signal not present in the DDM), topography filtering the data, correction for background noise, antenna pattern gain, different distance propagation factors, and vegetation attenuation, the sensitivity of different GNSS-R observables to SM and its dependence with incidence angle is analyzed.
dc.description.abstract	Peer Reviewed

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