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- W2359705965 abstract "An important part of the first national geographic condition survey is to survey landform,but there are many difficulties to carry out the work in dangerous areas such as the Tibetan plateau.Based on SRTM3-DEM data which were acquired by U.S.Endeavour space shuttle in 2000,we used GIS technology to extract eight landform factors of the Tibetan plateau,and by calculating the correlation matrix,five factors which are less correlated were selected finally.On the basis of these factors,the landform of the Tibetan plateau was divided into different types,and then the distribution of them was analyzed.Furthermore,using a simple model we extracted the periglacial(permafrost)landforms which have made a major impact on the ecological environment of the Tibetan plateau.The result shows that using SRTM3-DEM data can extract the landscape factors quickly and efficiently in dangerous areas such as the Tibetan plateau,but we should face a problem that some factors are highly correlated.This paper also indicates that macro landform can be divided and analyzed effectively by SRTM3-DEM,and the results will provide reliable information for national geographic condition survey in dangerous areas.In addition,although the map of periglacial landforms that we got by our method has some errors,but the algorithm of the model can still give some references for further study." @default.
- W2359705965 created "2016-06-24" @default.
- W2359705965 creator A5005011957 @default.
- W2359705965 date "2015-01-01" @default.
- W2359705965 modified "2023-09-23" @default.
- W2359705965 title "Classification of Tibetan Plateau Landform Using SRTM-DEM" @default.
- W2359705965 hasPublicationYear "2015" @default.
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