Comparison of land surface temperatures derived from satellite observations with ground truth during FIFE

Abstract Surface temperatures of the FIFE (First ISLSCP Field Experiment) experimental area derived from thermal infrared radiances recorded from different satellite platforms at different scales were compared with reference observations by means of infrared thermometers at ground stations distributed over the area. FIFE was conducted during late spring, summer and fall over an area of 15 km by 15 km in a hilly tall-grass prairie region in northeastern Kansas. The data available for this purpose were produced by AVHRR and TOVS instruments aboard NOAA-9 and NOAA-10, the TM instrument aboard Landsat-5 and VISSR instrument aboard GOES-7. The scales covered by these instruments span a wide range, namely between hundreds of metres (Landsat TM) and hundreds of kilometres (TOVS). The data are analysed both with and without the application of an atmospheric correction.

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