Integrating remote sensing and GIS for identification of groundwater prospective zones in the Narava basin, Visakhapatnam region, Andhra Pradesh

被引：0
作者：
K. Narendra
K. Nageswara Rao
P. Swarna Latha
机构：
[1] GITAM University,Department of Civil Engineering
[2] Indira Gandhi National Open University,Discipline of Geography
[3] Andhra University,Department of Geography
来源：
Journal of the Geological Society of India | 2013年 / 81卷
关键词：
Groundwater prospective zones; Remote sensing; GIS; Narava basin; Visakhapatnam; Andhra Pradesh;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper mainly deals with the integrated approach of remote sensing and Geographical Information System (GIS) to delineate groundwater prospective zones in Narava basin, Visakhapatnam region. The various thematic maps generated for delineating groundwater potential zones are geomorphology, geology, lineament density, drainage density, slope and land use/land cover (LULC). Weighted index overlay (WIO) technique is used to investigate a number of choice possibilities and evaluate suitability according to the associated weight of each unit. The integrated map of the area shows different zones of groundwater prospects, viz. very good (18.9% of the area), good (26.4% of the area), moderate (17.1% of the area) and poor (37.6% of the area). The categorization of groundwater potential was in good agreement with the available water column in the basin area.
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页码：248 / 260
页数：12
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