The topographic effect on LANDSAT data in gently undulating terrain in southern Sweden
作者:
KARIN HALL-KÖNYVES,
期刊:
International Journal of Remote Sensing
(Taylor Available online 1987)
卷期:
Volume 8,
issue 2
页码: 157-168
ISSN:0143-1161
年代: 1987
DOI:10.1080/01431168708948623
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
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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