Geo-Informatics system to visualize the water table behaviour in Punjab
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Date
2023
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Punjab Agricultural University
Abstract
In Punjab, there is continuous decline in water table depth. The present study is done to develop a system that helps the stake holder to find the water table depth and major factor influencing it for the past 23 years period of 1998-2020. For the study the pre monsoon data was used to prepare the water table maps using Geographical information system (GIS). Annual Average rise/fall of water table of all the villages (12982) of the state was analyzed using GIS. The average water table depth was 7.6 m in 1998 and 17.7 m in 2020 in the state with average fall of 46 cm per year. Geo Informatics system was developed for all the villages using python tkinter module to give information of water table level (m), average rise/fall (m), rainfall (mm), tubewell density (counts per hectare), paddy area ercentage (%), tubewell density increase, paddy area increase and mean rainfall in space and time. The maps of rainfall, paddy area percentage, tubewell density were prepared using GIS from 1998-2020. The Geo Informatics System gives the information of water table behavior and factor influencing it to the stake holder depending on the location in space and time. So that stake holder can plan utilization of groundwater resources judiciously for sustainability of agriculture.
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Nitika (2023). Geo-Informatics system to visualize the water table behaviour in Punjab (Unpublished M.Tech. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.