Shekhar Singh
M. Tech, Department of Soil & Water Conservation Engineering, College of Technology, GBPUA&T Pantnagar, Uttarakhand-263145,
Corresponding author Email: shekharsingh861@gmail.com
Deepak Kumar
Assistant Professor, Department of Soil & Water Conservation Engineering, College of Technology, GBPUA&T Pantnagar, Uttarakhand-
263145.
DOI: https://doi.org/10.47884/jweam.v1i3pp26-32
ABSTRACT
Groundwater monitoring and its spatio-temporal study require installation and management of ground-basedobservation wells on a large scale. The cost associated with such a study is generally high. An alternative to it is touse remote sensing data to manage groundwater resources in the least cost. There are only a few satellites which canprovide gravity-based groundwater data. Gravity Recovery and Climate Experiment (GRACE) is a satellite whichmeasures the change in gravity and is further used to study groundwater fluctuations. In the present study,groundwater fluctuations data (Product of GRACE satellite data) for Haridwar and Delhi region of India has beenused to study the temporal and spatial variability using entropy theory. The temporal data from 2003 to 2016 hasbeen used for both regions. The results suggested that the groundwater fluctuations are increasing in both regions ofthe study area. Results suggested that fluctuation of groundwater was high for the winter season of all years, but inthe post-monsoon season, the fluctuation in between Delhi and Hardwar has been detected just about same Seasonalfluctuation in water level for both regions showed a maximum rise of 60 cm in water level and also maximum fall inthe same range.
Keywords: Groundwater fluctuations; Entropy theory; GRACE