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- W103645698 abstract "For an extension of the water catchments areas for the Greater Istanbul Municipality, investigations in the region of Istiranca, a mountainous forest area North West of Istanbul, have been made. For the project area a Cartosat-1 stereo pair, a height model from SPOT-5 HRS, the SRTM C-band height model and a digital elevation model (DEM) for the topographic map 1:25 000 are available. In addition the SPOT-5 HRS height model has been checked in suburbs of Istanbul against a more precise reference DEM from maps 1:5000 and also the SRTM C-band height model. The automatic image matching of the Cartosat-1 stereo pair in the mountainous area, dominated by forest was astonishing successful, with exception of small areas covered by clouds and cloud shadows, the matching was with 98% successful. A comparison of the different DEMs has been made. Usually SPOT-5 HRS, not like Cartosat-1 including the infrared spectral range, has problems of matching in forest areas, but a complete DEM without gaps was delivered. In large parts the SPOT-5 HRS DEM was nearly identical to the SRTM height model, raising some questions." @default.
- W103645698 created "2016-06-24" @default.
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- W103645698 date "2008-01-01" @default.
- W103645698 modified "2023-09-27" @default.
- W103645698 title "DIGITAL HEIGHT MODELS IN MOUNTAINOUS REGIONS BASED ON SPACE INFORMATION" @default.
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