On the synergy of SMOS and Terra/Aqua MODIS: high resolution soil moisture maps in near real-time

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.contributor.author	Piles Guillem, Maria
dc.contributor.author	Vall-Llossera Ferran, Mercedes Magdalena
dc.contributor.author	Camps Carmona, Adriano José
dc.contributor.author	Sanchez, Nilda
dc.contributor.author	Martinez Fernandez, Jose
dc.contributor.author	Martinez, Justino
dc.contributor.author	Gonzalez Gambau, Verónica
dc.contributor.author	Riera, R.
dc.date	2013
dc.identifier.citation	Piles, M., Vall-llossera, M., Camps, A., Sanchez, N., Martinez, J., Martinez, J., Gonzalez, V., Riera, R. On the synergy of SMOS and Terra/Aqua MODIS: high resolution soil moisture maps in near real-time. A: IEEE International Geoscience and Remote Sensing Symposium. "IEEE International Geoscience and Remote Sensing Symposium, July 2013, Melbourne, Australia.". Melbourne: Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 3423-3426.
dc.identifier.citation	10.1109/IGARSS.2013.6723564
dc.identifier.uri	http://hdl.handle.net/2117/87104
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica::Instrumentació i mesura::Sensors i actuadors
dc.subject	Soil moisture--Measurement
dc.subject	Sensor networks
dc.subject	Correlation
dc.subject	MODIS
dc.subject	Optical sensors
dc.subject	Soil measurements
dc.subject	Soil moisture
dc.subject	Spatial resolution
dc.subject	Sòls -- Humitat -- Mesurament
dc.subject	Xarxes de sensors
dc.title	On the synergy of SMOS and Terra/Aqua MODIS: high resolution soil moisture maps in near real-time
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	An innovative downscaling approach to obtain fine-scale soil moisture estimates from 40 km SMOS observations has been developed. It optimally blends SMOS multi-angular and full-polarimetric information with MODIS visible/data into high resolution soil moisture maps. The core of the algorithm is a model that linksmicrowave/optical sensitivity to soilmoisture and linearly relates the two instruments across spatial scales. This algorithm has been implemented at SMOS-BEC facilities and near real-time maps of disaggregated soil moisture over the Iberian Peninsula are being distributed. In this work, the temporal and spatial variability of these maps is evaluated through comparison with ground-basedmesurements acquired at the REMEDHUS soil moisture network, in the central part of the Duero basin, Spain. Results from a two-year time-series comparison show that downscaled soil moisture maps compare well with in situ data and nicely reproduce soil moisture dynamics at a 1 km spatial scale.
dc.description.abstract	Peer Reviewed

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