| Título: | MORPHOMETRIC ANALYSIS OF BIRBHUM DISTRICT |
| Autores: | Mondal, Prolay; Visva Bharati; Santiniketan; West Bengal |
| Fecha: | 2013-11-27 |
| Publicador: | Asian Journal of Multidisciplinary Studies |
| Fuente: |
 |
| Tipo: |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article |
| Tema: |
Geography; Geomorphology; Ecogeomorphology/ Education; Special education; Teacher education Morphometric analysis, Land degradation, Morphometric parameter, Fluvial erosion. |
| Descripción: | Abstract: Lateritic soil of Birbhum district made a different topography which is known as “khoai region”. Topographically/ landscape heterogeneity is taken place here.To understand the heterogeneity, in this paper, an attempt has been made to study the detail morphometric characteristics of Birbhum district. For detailed study, we used LISS-III data for preparing digital elevation model (DEM), and geographical information system (GIS) was used in evaluation of linear, areal and relief aspects of morphometric parameters. All the morphometric attribute of this area have been prepared using Arc-Hydro Tool; and Surface Tool in Arc-GIS 9.3 software & ASTER (DEM). Different thematic maps i.e. drainage density, slope, relief, superimposed profile, and longitudinal profiles have been prepared by using Arc-GIS software. I have computed 20 morphometric parameters of all aspects. Based on all morphometric parameters analysis it is evident that the streams gradients become steeper (aggradation) or less steep (degradation) due to excess deposition or erosion of sediment, respectively. Aggradation and degradation are often the symptoms of a problem within this district, such as changes in land use within the district that occur over a broad area and affect the stream's hydrology. It is caused by a very large storm event or a localized disturbance, such as earthwork without proper sediment controls. It actually changes shape which is very much associated with Rills and gullies erosion. These studies are very useful for planning of land degradation and its integrated management. |
| Idioma: | Inglés |
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