Abstract
Abstract The purpose of this study was to investigate the effect of topography on LANDSAT satellite data in gently undulating terrain. Gently undulating terrain is in this work defined as terrain dominated by slopes of between 1° and 15°. For three various solar elevations (38°, 44° and 52°) digital LANDSAT MSS and TM data were merged with digital elevation data. In an agricultural region in southern Sweden 135 cultivated fields, 50 pasture sites and 117 forest sites with a total number of 88 800 pixels were studied.The relationship between LANDSAT response variation and topographic parameters within cultivated fields and forest areas was weak. For some pasture covers a topographic effect was identified.
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