Impact Assessment of Mining Activities on Surface and Sub-Surface Water Condition of Ramgarh, Jharkhand, India using Geospatial Techniques | ||
| Journal of Mining and Environment | ||
| مقاله 4، دوره 12، شماره 3، مهر 2021، صفحه 651-665 اصل مقاله (6.34 M) | ||
| نوع مقاله: Case Study | ||
| شناسه دیجیتال (DOI): 10.22044/jme.2021.10644.2048 | ||
| نویسندگان | ||
| S. Kumar Jha* ؛ P. Warwade؛ S. Kumar Mahto | ||
| Department of water engineering and management, School of Engineering & Technology,Central University of Jharkhand, Ranchi, India | ||
| چکیده | ||
| This work illustrates the impact of excessive mining on the precipitation trends and ground water condition of the Ramgarh district over a period of 12 years (2007-2018). The Landsat 8 and Landsat TM- 5 data is processed under Arc-GIS in order to compare the LULC maps. Out of 7 classified classes, the Results obtained indicate the expansion of the mining area, barren land, settlement, and water body by 10.95%, 10.07%, 3.44%, and 0.43%, while a reduction in the forest, fallow, and crop land by 11.24%, 11.31%, and 2.34% respectively. The TRMM 3B43 data is used to trace out the annual precipitation values of 5 selected raster location points through Arc GIS. The annual precipitation under the mining regions (lower Mandu, Ramgarh, Bhurkunda) shows a decreasing trend. The Mann-Kendall test and Sen’s slope estimator method is used in order to evaluate the ground water pattern in the pre- and post-monsoonal conditions. The Mandu block, the densest mining region of the district with the positive Z values of 1.714 and 0.137 in the pre- and post- monsoon period shows a decrease in the ground water level at the rates of 0.103 m/year and 0.017 m/year, respectively. The continuous rise in the mining activities has created an alarming shift of weather pattern and deteriorated ground water table in Ramgarh. | ||
| کلیدواژهها | ||
| Land Use/Cover (LULC)؛ Arc-GIS؛ TRMM 3B43؛ Mann-Kendall Test؛ Sen’s Slope Estimator | ||
| مراجع | ||
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