Identification of Groundwater Potential Zones using geospatial techniques in the Varattar sub-basin, Dharmapuri district, South India

IF 0.4 Q4 GEOSCIENCES, MULTIDISCIPLINARY
P. Mahanuradha, Aran P. Pragadeesw
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引用次数: 0

Abstract

An attempt has been made to map groundwater potential zones by integration of spatial data using remote sensing and GIS techniques. The input data for this analysis are different parameters that can be considered in identifying the groundwater potential zone, such as drainage density, geology, slope, lineament density, geomorphology, land use / land cover and soil, generated using remote sensing, topographical and secondary data. These parameters are converted to raster format and assigned scores and weightings computed from multi influencing factor (MIF) technique. The weighted parameters are statistically computed and integrated to obtain the groundwater potential zones in the Varattar sub basin. The final integrated groundwater potential zones are classified into five categories like very low, low, moderate, high and very high. The delineated groundwater potential map is validated with the well location data using the R-index method. This groundwater potential zone map will be useful for extraction and manage- ment of groundwater in the study area.
利用地理空间技术在印度南部dharapuri地区Varattar次盆地确定地下水潜在带
已尝试利用遥感和地理信息系统技术综合空间数据来绘制地下水潜力带。这项分析的输入数据是在确定地下水潜力带时可以考虑的不同参数,如排水密度、地质、坡度、线条密度、地貌、土地利用/土地覆盖和土壤,这些数据是利用遥感、地形和二手数据产生的。将这些参数转换为栅格格式,并分配由多影响因素(MIF)技术计算的分数和权重。对加权参数进行统计计算和综合,得到了Varattar次盆地的地下水潜力带。最终将地下水综合潜力区划分为极低、低、中、高、极高5类。利用r指数法对圈定的地下水位势图进行了验证。该地下水潜力带图将为研究区地下水的开采和管理提供参考。
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来源期刊
Journal of Geology Geography and Geoecology
Journal of Geology Geography and Geoecology GEOSCIENCES, MULTIDISCIPLINARY-
自引率
40.00%
发文量
57
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