Climatology In Barishal, Bangladesh: A Historical Analysis Of Temperature, Rainfall, Wind Speed And Relative Humidity Data

Md Abdullah Salman () and Faisal Ahmed
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Md Abdullah Salman: Department of Geology and Mining, University of Barishal, Bangladesh.
Faisal Ahmed: Department of Geology and Mining, University of Barishal, Bangladesh.

Malaysian Journal of Geosciences (MJG), 2020, vol. 4, issue 1, 43-53

Abstract: The Climatological data (temperature, rainfall, wind speed & relative humidity) recorded at Barishal divisional meteorological station and Bangladesh Meteorological Departments over the period of 1961-2019 is used for an assessment of climatological aspects, climate change and the variability of Barishal in Bangladesh. The trend of variant of yearly average maximum and minimum temperature has been found to be increasing at a rate of 0.0055 ºC & 0.0087 ºC/year. Analysis of rainfall data observed that for majority of stations, the total rainfall showed decreasing trend for pre-monsoon, monsoon and winter seasons, while little increasing trend was observed for the post-monsoon. Calculated annual total rainfall in Barishal was showed declining at the rate of -0.18488 mm/year and annual average wind speed was increasing by 0.001783 m/s per year. Likewise, yearly average relative humidity observed to be abrupt rising at a rate of 0.342975 per year with average of 70.855 at 2 meters.

Keywords: Climate Change; Meteorological Stations; Rainfall variability; Sen’s slope estimator; Trend Analysis. (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnmjg:v:4:y:2020:i:1:p:43-53

DOI: 10.26480/mjg.01.2020.43.53

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