Recent Trends in the Climate of Bangladesh
Posted: 10 Sep 2010
Date Written: September 9, 2010
Rainfall and temperature data recorded at 17 meteorological stations over the time period 1958–2007 were used to assess recent changes in the climate of Bangladesh. The results show increasing mean, mean maximum and mean minimum temperatures at a rate of 0.103, 0.091 and 0.097°C per decade, respectively. More warming was observed for winter compared to other seasons. Increases in annual and pre-monsoon rainfall were also observed at a rate of 5.53 and 2.47 mm yr–1, respectively. The spatial pattern of rainfall trends shows an increase in annual, monsoon and pre-monsoon rainfall in the western part of Bangladesh. The findings of the present study are consistent with the results obtained in other parts of the Indian subcontinent.
Keywords: Climate variability, Trend analysis, GIS, Bangladesh
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