Permanent Stations for Calibration/Validation of Thermal Sensors over Spain

Jose Antonio Sobrino and Dražen Skoković
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Jose Antonio Sobrino: Global Change Unit, Image Processing Laboratory, University of Valencia, Av. de Blasco Ibáñez, 13, 46010 València, Spain
Dražen Skoković: Global Change Unit, Image Processing Laboratory, University of Valencia, Av. de Blasco Ibáñez, 13, 46010 València, Spain

Data, 2016, vol. 1, issue 2, 1-10

Abstract: The Global Change Unit (GCU) at the University of Valencia has been involved in several calibration/validation (cal/val) activities carried out in dedicated field campaigns organized by ESA and other organisms. However, permanent stations are required in order to ensure a long-term and continuous calibration of on-orbit sensors. In the framework of the CEOS-Spain project, the GCU has managed the set-up and launch of experimental sites in Spain for the calibration of thermal infrared sensors and the validation of Land Surface Temperature (LST) products derived from those data. Currently, three sites have been identified and equipped: the agricultural area of Barrax (39.05 N, 2.1 W), the marshland area in the National Park of Doñana (36.99 N, 6.44 W), and the semi-arid area of the National Park of Cabo de Gata (36.83 N, 2.25 W). This work presents the performance of the permanent stations installed over the different test areas, as well as the cal/val results obtained for a number of Earth Observation sensors: SEVIRI, MODIS, and TIRS/Landsat-8.

Keywords: Land Surface Temperature (LST); calibration; validation; Earth Observation sensors; Sentinel 3 (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2016
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