An Assessment of Inter-Seasonal Surface Water Level Fluctuation of Lonar Crater Lake, Maharashtra, India Using Multi-Temporal Satellite Dataset
American Journal of Remote Sensing
Volume 6, Issue 1, June 2018, Pages: 6-14
Received: Jan. 15, 2018;
Accepted: Jan. 29, 2018;
Published: Mar. 5, 2018
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Shanti Shwarup Mahto, Centre for Land Resource Management, Central University of Jharkhand, Ranchi, India
Anuj Prakash Kushwaha, Centre for Land Resource Management, Central University of Jharkhand, Ranchi, India
Lonar Crater Lake in the Buddana district of Maharastra state, India is the third largest natural salt water lake in the world. It is mysterious due to its unsolved & unique limnology and ecological biodiversity. It occupies the geographical position of 19°58’ N & 76°31’ E. The crater has a diameter of 1.8 km (rim to rim) with an average depth of 137m while the inside lake diameter is of approximately 1.2 km in average. The Lake surface area changes seasonally. The USGS Landsat dataset of 30m spatial resolution has been used to map the lake surface area seasonally for the years: 2009, 2010, 2011, 2015, 2016 and 2017 respectively. The average slope of the Lonar Crater (assuming frustum of cone) has been calculated as 19°. The results have shown a huge reduction in the lake volume in the summer 2017 resulting in the maximum declination of Lake water level (~11 m). While there is just a little increment in the lake volume in monsoon 2017 resulting in the minimum inclination of Lake water level (< 1m). The rate of removal of water from the lake is observed faster than the rate of filling the lake with water, in the recent years (2015-2017). Such type of study will enhance the potential area of remote sensing technology up to a larger extent. Also the study will help us to understand the behavior of large Lakes/water bodies. Proper and regular monitoring of such water bodies may lead to know their exact conditions in this changing climate in order to save the precious water resources.
Shanti Shwarup Mahto,
Anuj Prakash Kushwaha,
An Assessment of Inter-Seasonal Surface Water Level Fluctuation of Lonar Crater Lake, Maharashtra, India Using Multi-Temporal Satellite Dataset, American Journal of Remote Sensing.
Vol. 6, No. 1,
2018, pp. 6-14.
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