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Climate 2016, 4(2), 21; doi:10.3390/cli4020021

Geospatial Modeling for Investigating Spatial Pattern and Change Trend of Temperature and Rainfall

1
Bangladesh Centre for Advanced Studies (BCAS), House 10, Road 16A, Gulshan 1, Dhaka 1212, Bangladesh
2
Institute of Forestry and Environmental Sciences (IFES), Chittagong University, Chittagong 4331, Bangladesh
*
Author to whom correspondence should be addressed.
Academic Editor: Christina Anagnostopoulou
Received: 5 February 2016 / Revised: 25 March 2016 / Accepted: 1 April 2016 / Published: 11 April 2016
(This article belongs to the Special Issue Climate Extremes: Observations and Impacts)
View Full-Text   |   Download PDF [4069 KB, uploaded 11 April 2016]   |  

Abstract

Bangladesh has been experiencing increased temperature and change in precipitation regime, which might adversely affect the important ecosystems in the country differentially. The river flows and groundwater recharge over space and time are determined by changes in temperature, evaporation and crucially precipitation. These again have a spatio-temporal dimension. This geospatial modeling research aimed at investigating spatial patterns and changing trends of temperature and rainfall within the geographical boundary of Bangladesh. This would facilitate better understanding the change pattern and their probable impacts on the ecosystem. The southeastern region, which is one of the most important forest ecosystem zones in the country, is experiencing early onset and withdrawal of rain but increasing trends in total rainfall except in the Monsoon season. This means that the region is experiencing a lower number of rainy days. However, total rainfall has not changed significantly. The differential between maximum and minimum showed an increasing trend. This changing pattern in average max and min temperature along with precipitation might cause a situation in which the species that are growing now may shift to suitable habitats elsewhere in the future. Consequently, the biodiversity, watersheds and fisheries, productivity of land, agriculture and food security in the region will be affected by these observed changes in climate. View Full-Text
Keywords: climate change; GIS; geospatial modeling; geospatial pattern; precipitation; temperature; ecosystems; food security climate change; GIS; geospatial modeling; geospatial pattern; precipitation; temperature; ecosystems; food security
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Syed, M.A.; Al Amin, M. Geospatial Modeling for Investigating Spatial Pattern and Change Trend of Temperature and Rainfall. Climate 2016, 4, 21.

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