Geoinformation mapping of landscapes on the example of the Primorskiy Ridge (Baikal region)
| Autor: | Yu.V. Vanteeva, S. V. Solodyankina, Е.А. Rasputina |
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| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | Geodesy and Cartography. 954:20-30 |
| ISSN: | 2587-8492 0016-7126 |
| Popis: | The authors present the results of geoinformation mapping the Primorskiy Ridge landscapes using Landsat 8 satellite images, the digital elevation model SRTM and the factor-dynamic classification of geosystems. At the first stage, the remote sensing data for different seasons were classified using the ISODATA method. Then, using the digital elevation model, the landforms were classified basing upon the topographic position index. According to combining the classification parameters of one of the space images and digital elevation model, each polygon is automatically assigned to a certain preliminary type of landscapes using boolean expressions. Legend adjustments were made basing upon the fieldwork materials. As a result, a digital landscape map of the southern part of the Primorsky Ridge was created; it reflects the landscape structure at the level of facies groups and contains attributive information about the landform, altitude, slope and aspect, topographic wetness index. The analysis of the landscape pattern showed a high fragmentation of landscape polygons, formed due to overlay operations, which indicates the need for generalization of landscape contours. |
| Databáze: | OpenAIRE |
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