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Rainfall And Drought Tendencies In Rajshahi Division, Bangladesh

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Insufficient rainfall results in water shortage and eventually leads to drought. This research has investigated drought by utilizing standardize precipitation index in monthly mean rainfall data for 30 years from 1988 to 2017 in Rajshahi division, a region in the northwestern part of Bangladesh. Estimated indices have identified that the years 1992, 1994, 2006, and 2012 experienced moderate to severe droughts, and the year 2010 suffered from extreme drought. Non-parametric and linear trend analyses have shown that the number of draughts in the study area has been growing. The study area is thus judged as moving forward to experience more droughts from lack of water due to rainfall deficit, especially during monsoon. This region has already started to experience a shortage of rainwater, approximately 18%, in the monsoon season. This shortage is likely to affect the volume of surface water and thus the groundwater recharging, which would distort irrigation for agriculture in the region. This work would therefore assist in policy-making addressing the watering system of the region to ensure smooth agricultural production.

About the Authors

Md. Abdullah Al Mamun
Bangladesh Army University of Engineering and Technology

Department of Mathematics

Natore 6431

Syed Mahbubur Rahman
American International University-Bangladesh (AIUB)

Faculty of Business Administration

Dhaka 1229

Md. Nezam Uddin
University of Rajshahi

Institute of Environmental Science

Rajshahi 6205

Md. Sultan-Ul-Islam
University of Rajshahi

Department of Geology and Mining


Khairul Arifin M. N.
Universiti Teknologi PETRONAS

Geosciences Department, Faculty of Science and Information Technology

32610 Seri Iskandar, Perak Darul Ridzuan

Syed Mustafizur Rahman
University of Rajshahi

Geophysics Laboratory, Department of Electrical and Electronic Engineering

Rajshahi 6205


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For citations:

Abdullah Al Mamun M., Mahbubur Rahman S., Nezam Uddin M., Sultan-Ul-Islam M., Arifin M. N. K., Mustafizur Rahman S. Rainfall And Drought Tendencies In Rajshahi Division, Bangladesh. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2021;14(1):209-218.

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ISSN 2071-9388 (Print)
ISSN 2542-1565 (Online)