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SMOS REFLEX 2003: L-band emissivity characterization of vineyards
dc.contributor.author | Vall-Llossera Ferran, Mercedes Magdalena |
dc.contributor.author | Camps Carmona, Adriano José |
dc.contributor.author | Corbella Sanahuja, Ignasi |
dc.contributor.author | Torres Torres, Francisco |
dc.contributor.author | Duffo Ubeda, Núria |
dc.contributor.author | Monerris Belda, Alessandra |
dc.contributor.author | Sabia, Roberto |
dc.contributor.author | Selva Valero, Daniel |
dc.contributor.author | Antolín, Carmen |
dc.contributor.author | López Baeza, Ernesto |
dc.contributor.author | Ferrer, Joan Ferran |
dc.contributor.author | Saleh, Kauzar |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2008-06-29T17:21:15Z |
dc.date.available | 2008-06-29T17:21:15Z |
dc.date.created | 2004-04-27 |
dc.date.issued | 2005-05-31 |
dc.identifier.citation | Vall-llossera, M.; Camps, A.; Corbella, I.; Torres, F.; Duffo, N.; Monerris, A.; Sabia, R.; Selva, D.; Antolín, C.; López-Baeza, E.; Ferrer, J. F.; Saleh, K. SMOS REFLEX 2003: L-band emissivity characterization of vineyards. IEEE Transactions on geoscience and remote sensing, 2005, vol. 43, núm. 5, p. 973-982. |
dc.identifier.issn | 0196-2892 |
dc.identifier.uri | http://hdl.handle.net/2117/2131 |
dc.description.abstract | The goal of the Soil Moisture and Ocean Salinity mission over land is to infer surface soil moisture from multiangular L-band radiometric measurements. As the canopy affects the microwave emission of land, it is necessary to characterize different vegetation layers. This paper presents the Reference Pixel L-Band Experiment (REFLEX), carried out in June-July 2003 at the Vale/spl grave/ncia Anchor Station, Spain, to study the effects of grapevines on the soil emission and on the soil moisture retrieval. A wide range of soil moisture (SM), from saturated to completely dry soil, was measured with the Universitat Polite/spl grave/cnica de Catalunya's L-band Automatic Radiometer (LAURA). Concurrently with the radiometric measurements, the gravimetric soil moisture, temperature, and roughness were measured, and the vines were fully characterized. The opacity and albedo of the vineyard have been estimated and found to be independent on the polarization. The /spl tau--//spl omega/ model has been used to retrieve the SM and the vegetation parameters, obtaining a good accuracy for incidence angles up to 55/spl deg/. Algorithms with a three-parameter optimization (SM, albedo albedo, and opacity) exhibit a better performance than those with one-parameter optimization (SM). |
dc.format.extent | 973-982 |
dc.language.iso | eng |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció |
dc.subject.lcsh | Boundary layer (Meteorology) |
dc.subject.lcsh | Geophysical instruments |
dc.subject.lcsh | Microwave measurements |
dc.subject.lcsh | Oceanographic instruments |
dc.subject.lcsh | Remote sensing |
dc.subject.lcsh | Hydrological instruments |
dc.subject.other | hydrological techniques |
dc.subject.other | microwave measurement |
dc.subject.other | radiometry |
dc.subject.other | soil |
dc.subject.other | vegetation mapping |
dc.subject.other | AD 2003 06 to 07 |
dc.subject.other | L-band Automatic Radiometer |
dc.subject.other | L-band emissivity |
dc.subject.other | L-band microwave radiometry |
dc.subject.other | LAURA |
dc.subject.other | Reference Pixel L-Band Experiment |
dc.subject.other | SMOS REFLEX 2003 |
dc.subject.other | Soil Moisture and Ocean Salinity mission |
dc.subject.other | Universitat Politecnica de Catalunya |
dc.subject.other | Valencia Anchor Station |
dc.subject.other | albedo |
dc.subject.other | land microwave emission |
dc.subject.other | opacity |
dc.subject.other | soil emission |
dc.subject.other | soil moisture |
dc.subject.other | soil roughness |
dc.subject.other | soil temperature |
dc.subject.other | vegetation layers |
dc.subject.other | vineyards |
dc.title | SMOS REFLEX 2003: L-band emissivity characterization of vineyards |
dc.type | Article |
dc.subject.lemac | Capa límit (Meteorologia) |
dc.subject.lemac | Microones -- Mesurament |
dc.subject.lemac | Sensors remots |
dc.subject.lemac | Geofísica -- Aparells i instruments |
dc.subject.lemac | Oceanografia -- Instruments |
dc.subject.lemac | Hidrologia -- Aparells i instruments |
dc.contributor.group | Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Open Access |
local.personalitzacitacio | true |
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