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Trend Analysis of Groundwater Levels in Visakhapatnam Coastal Aquifer
Groundwater exploitation has been increasing day by day due to the population increase, and overexploitation advances to severe groundwater depletion. This paper examines the trend analysis and spatiotemporal disparity for groundwater levels (GWL) in three Mandals, i.e., Bheemunipatnam, Visakhapatnam rural, and Visakhapatnam urban areas in Visakhapatnam district for the period from 2008 to 2020. The data of GWL in piezometric wells and open wells are used to predict the GWL trend present in the study area. For spatial analysis, the interpolation technique of inverse distance weighted is applied to develop the GWL maps. Mann–Kendall test and Sen’s slope estimator were considered to predict the trend present in the GWL. From the exploration of the analysis, it is reflected that there is an increasing trend in GWL in some locations in the study area. Bheemunipatnam, Venkatapuram, Sivajipalem, Madhuravada, Chukkavanipalem, and YSR park are the significant places where groundwater is declining. Increasing depth trends to GWL, especially near the coast, can cause a decline in water quality and may lead to seawater intrusion.
Trend Analysis of Groundwater Levels in Visakhapatnam Coastal Aquifer
Groundwater exploitation has been increasing day by day due to the population increase, and overexploitation advances to severe groundwater depletion. This paper examines the trend analysis and spatiotemporal disparity for groundwater levels (GWL) in three Mandals, i.e., Bheemunipatnam, Visakhapatnam rural, and Visakhapatnam urban areas in Visakhapatnam district for the period from 2008 to 2020. The data of GWL in piezometric wells and open wells are used to predict the GWL trend present in the study area. For spatial analysis, the interpolation technique of inverse distance weighted is applied to develop the GWL maps. Mann–Kendall test and Sen’s slope estimator were considered to predict the trend present in the GWL. From the exploration of the analysis, it is reflected that there is an increasing trend in GWL in some locations in the study area. Bheemunipatnam, Venkatapuram, Sivajipalem, Madhuravada, Chukkavanipalem, and YSR park are the significant places where groundwater is declining. Increasing depth trends to GWL, especially near the coast, can cause a decline in water quality and may lead to seawater intrusion.
Trend Analysis of Groundwater Levels in Visakhapatnam Coastal Aquifer
Lecture Notes in Civil Engineering
Timbadiya, P. V. (editor) / Singh, Vijay P. (editor) / Sharma, Priyank J. (editor) / Priyanka, V. M. (author) / Ramesh, M. (author) / Srinivas, Y. (author)
International Conference on Hydraulics, Water Resources and Coastal Engineering ; 2021
2023-05-24
7 pages
Article/Chapter (Book)
Electronic Resource
English
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