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  • Evaluation of the spatial representativity of meteorological stations by an analysis of the thermal fields around each station prepared from NOAA-AVHRR images


The present project aims to present a new approach allowing one to evaluate the spatial representativity of the air temperature measured at meteorological stations. Taking into account NOAA-AVHRR derived surface temperatures and the environmental data of the station surroundings, an evaluation of the meteorological network is made. A series of surface temperature maps are prepared from NOAA-AVHRR images. The thermal field around each station is analyzed in connection with the environmental conditions and as a function of the season. The zone of spatial representativity for each meteorological station is then defined. Preliminary results obtained for some meteorological stations in Andalusia in southern Spain are presented.

Additional information

Authors: VIAU A A, Université Laval, Centre de Recherche en Géomatique, Québec (CA);PAQUET F, Université Laval, Centre de Recherche en Géomatique, Québec (CA);VOGT J, JRC Ispra (IT)
Bibliographic Reference: Paper presented: International Symposium on Geomatics in the Era of Radarsat (GER '97), Ottowa (CA), May 24-30, 1997
Availability: Available from (1) as Paper EN 40639 ORA
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