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Exploring the Effect of Rainfall Variability and Water Extent in Tanguar Haor, Sunamganj


Ripon Bagchi1*, Md. Alim Miah2, Papri Hazra3, Robiul Hasan4, Himadree Shekhar Mondal5, and Sujan Kumar Paul6


1Dept. of Disaster Risk Management, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh; 2Dept.  of Environmental Science and Engineering, Jatiya Kabi Kazi Nazrul Islam University, Trishal, Mymensingh, Bangladesh; 3Dept.  of Environmental Science, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh; 4Centre for Disability in Development (CDD), Dhaka, Bangladesh; 5An Organization for Socio-Economic Development (AOSED), Khulna, Bangladesh; and 6Dept. of Chemistry, Govt. P.C. College, Bagerhat, Bangladesh. 

*Correspondence: ribagchi@gmail.com

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ABSTRACT

Tanguar haor is located in the north-eastern region of Bangladesh and frequently experienced extreme events such as high rainfall that affect the haor basin area with flash floods on a regular basis. Tanguar haor is usually foreseen to severe disastrous conditions for the reason of changes in rainfall patterns and water extent. The study was conducted at Tanguar haor of Sunamganj district. This study mainly focuses on the year to year rainfall variability (2001-2018) and water extent (2002-2018) in the Tanguar haor area. The specific objective of the study was to explore the effect of rainfall variability and water extent in Tanguar haor. Information and data were collected mainly from secondary sources. Analysis of data and assess the ecological effect of changes in rainfall patterns and water extent were the main activities of the study along with others. The findings of the study were changeability in rainfall patterns and water extent frequently caused a flash flood in pre-monsoon and monsoon season in the Tanguar haor area. Flash flood causes a vast amount of financial loss for the living people of the Tanguar haor that makes them more vulnerable to live well. The result of this study may help to gather new knowledge on the consequences of rainfall variability and water extent in the haor basin area. It may add significance to the management of flash flood and severe stress in the haor basin area. 


Keywords: Tanguar haor, Rainfall variability, Water extent, Flash flood, Analysis, Impact, and Flash flood.


Citation: Bagchi R, Miah MA, Hazra P, Hasan R, Mondal HS, and Paul SK. (2020). Exploring the effect of rainfall variability and water extent in Tanguar haor, Sunamganj, Aust. J. Eng. Innov. Technol., 2(4), 66-76. https://doi.org/10.34104/ajeit.020.066076


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