Pre-monsoon rainfall and its variability in Bangladesh: a trend surface analysis / Chute des pluis de la pré-mousson et sa variabilité au Bangladesh: Tendance d'analyse en superficie |
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| Authors: | MARIE SANDERSON RAFIQUE AHMED |
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| Institution: | 1. Department of Geography , University of Windsor , Windsor, Ontario, Canada , N9B 3P4;2. Department of Geography , Indiana University , Bloomington, Indiana, 47401, USA |
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| Abstract: | Abstract Bangladesh, with its small but rich agricultural land (total area 9 million ha) and large population (80 million) is faced with an acute food crisis. The economy of Bangladesh is dependent mainly upon agriculture which, in turn, is dependent upon rainfall. An increase in crop acreage and productivity during the pre-monsoon season, March to May, offers a partial solution to the problem. The water available from the rainfall of this season could be utilized through proper planning for better agricultural uses. The present study is an attempt at an inventory of such pre-monsoon rainfall, both monthly and seasonally, and its variability over time and space. The technique employed is that of trend surface mapping. |
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