Analysis on Decadal Variation of Reservoir Area and Perimeter with Respect to Rainfall and Population

Year : 2024 | Volume : 11 | Issue : 03 | Page : 32-40
    By

    Rajashree Lodh,

  • Sakshi Choudhary,

Abstract

Water is an essential element for the survival and proper functioning of all life forms on Earth. In the state of West Bengal like many other regions groundwater rivers and water canals serve as the primary sources of water. This vital resource is distributed across various sectors including agriculture households and industrial facilities following necessary treatment processes. West Bengal’s climate is characterized by a tropical monsoon type in its southern parts and a humid subtropical climate in its northern mountainous regions. This climatic diversity is influenced by the state’s geographical location. The Sub-Himalayan region of West Bengal receives an average annual rainfall of approximately 273 centimeters while the Gangetic region receives around 143 centimeters of rainfall. Given West Bengal’s moderate annual rainfall there is a significant demand for water resources leading to the over-extraction of groundwater beyond its natural replenishment rate. This unsustainable usage pattern poses challenges for water resource management and sustainability in the state. It is crucial for the government and relevant authorities to implement measures that promote responsible water use and ensure the long-term availability of this precious resource for the well-being of all living organisms in the region. Among the many regions of India that rely heavily on efficient reservoir management and water storage, West Bengal stands out. This state, located in the eastern part of the country, experiences moderate annual rainfall. In a region where groundwater utilization is essential, the role of reservoirs becomes even more critical. In the state’s quest to ensure a sustainable supply of water for its inhabitants, reservoirs play a pivotal role. To gain a deeper understanding of this complex web of water management, a comprehensive study has been undertaken in the town of Halisahar in West Bengal.The objective is to study of 100 reservoirs about their area and perimeter, nearby varying population, and rainfall every year during last decade. The yearly variation in rainfall is minimal in this area, so there appears to be no significant relationship between rainfall and the perimeter and area of a reservoir. Therefore, it can be concluded that population size is a more significant factor in determining the reservoir’s perimeter and area compared to annual rainfall.

Keywords: Reservoir, perimeter, area, irrigation, industrialization, population, rainfall, Google Earth Pro tool, polygon, remedial measures

[This article belongs to Journal of Water Resource Engineering and Management ]

How to cite this article:
Rajashree Lodh, Sakshi Choudhary. Analysis on Decadal Variation of Reservoir Area and Perimeter with Respect to Rainfall and Population. Journal of Water Resource Engineering and Management. 2024; 11(03):32-40.
How to cite this URL:
Rajashree Lodh, Sakshi Choudhary. Analysis on Decadal Variation of Reservoir Area and Perimeter with Respect to Rainfall and Population. Journal of Water Resource Engineering and Management. 2024; 11(03):32-40. Available from: https://journals.stmjournals.com/jowrem/article=2024/view=186766



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Regular Issue Subscription Original Research
Volume 11
Issue 03
Received 05/08/2024
Accepted 03/09/2024
Published 10/09/2024
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