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http://krishi.icar.gov.in/jspui/handle/123456789/19740| Title: | Geomorphic Assessment and Mapping of Gullied Landscapes in the Eastern Margin of Thar Desert Using GIS & Remote Sensing |
| Other Titles: | Not Available |
| Authors: | P.C.Moharana |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Central Arid Zone Research Institute |
| Published/ Complete Date: | 2012-01-01 |
| Project Code: | CAZRI-T01/16 |
| Keywords: | Gullied landscape, Geomorphic assessment, Eastern Thar |
| Publisher: | Indian National Cartographic Association |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Gullies are typical erosional forms in semi-arid and arid landscapes all over the world. These are linked either with soil/sediment erosion or as the most important sources of sediment. The eastern margin of Thar Desert in India is a part of arid Rajasthan and is roughly co-terminus with the Aravalli hill ranges, representing a comparatively wetter part of Thar Desert with an average annual rainfall of approximately 400 mm. Alongwith favourable topography, slope and soil characteristics, the high intensity rainfalls generate surface run-off cutting through the terrain to form fine network of rills and gullies in the piedmont region of Aravalli hills. Such processes of erosion have significant bearing on the water and sedimentation of vast alluvial plains in this region. In the paper, the eight gullied landscapes occurring on alluvial plains and sand dunes have been studied with respect to their distribution, types and morphological variation so as to understand their impact on the overall aspect of water erosion. |
| Description: | Interpretation of satellite images, thematic maps shows that this wetter part of the arid region in western Rajasthan is more vulnerableto water erosion. The region has very little problem of wind erosion but water erosion is dominant. The manifestation of water erosion is visible in the form of gully networks along the obstacle dunes at the foothills of Aravallis. Although both kinds of degradation occupy less than 5% area of the district, the potential of gully erosion is high in the shallow intermontane plains of Udaipur vati, Khetri and Buhana tehils of Jhunjhunun district |
| ISSN: | Not Available |
| Type(s) of content: | Article |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Indian Cartographer |
| Volume No.: | 31 |
| Page Number: | 176-181 |
| Name of the Division/Regional Station: | Division of Natural Resources |
| Source, DOI or any other URL: | Indian Cartographer, 33, XXXI INCA |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/19740 |
| Appears in Collections: | NRM-CAZRI-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| PCM_INCA paper_2014.pdf | 942.41 kB | Adobe PDF | View/Open |
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