IJSTR >> Volume 3- Issue 2, February 2014 Edition

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AUTHOR(S)

Md. Zakaria, Md. Abdullah Aziz, Md. Ismail Hossain, Niaz Md. Farhat Rahman

KEYWORDS

Keywords: Climate variable, GIS, Rainfall, Maximum Temperature, Aman rice.

ABSTRACT

Abstract: The study is conducted for the effect of climate variables (rainfall, maximum temperature) on Aman rice production and mapping in Bangladesh. We used time series data for the last decade (2003-2012) for rainfall and maximum temperature from BMD (Bangladesh Meteorological Department) and BBS (Bangladesh Bureau of Statistics) respectively. From the combined trend of rainfall and maximum temperature intensity (determined by GIS mapping), geographically Bangladesh is divided into four regions such as; North-Eastern Region, South-Eastern Region, South-Western Region and North-Western Region, in this research. In North-Eastern regions Aman production is proportional to rainfall and maximum temperature does not prominent variables which indicate the rainfall effect the rice production prominently. In the South-Eastern region rainfall and maximum temperature both are in repetitive and show less effect on production which indicates other variables are prominent in this region. There may have salinity and soil condition effect on the Aman rice production of this region. In South-Western region the both variables are prominent in this region. We know that most the area of the region is situated under tidal effect which may be the cause of production decrease. In North-Western region Aman production increased though rainfall decreased so significantly also average maximum temperature was high in this region. It implies that maximum temperature is the dominant factor in this region which increases the Aman rice production significantly. So, effect of maximum temperature becoming the dominant variable continuously for Aman rice production in the last decade of Bangladesh.

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