Influence of Surface Water Bodies on the Land Surface Temperature of Bangladesh

Najeebullah Khan, Shamsuddin Shahid, Eun-Sung Chung, Sungkon Kim and Rawshan Ali
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Najeebullah Khan: School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Johor 81310, Malaysia
Shamsuddin Shahid: School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Johor 81310, Malaysia
Eun-Sung Chung: Department of Civil Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
Sungkon Kim: Department of Civil Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
Rawshan Ali: College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang 443002, China

Sustainability, 2019, vol. 11, issue 23, 1-13

Abstract: Recent climate change has resulted in the reduction of several surface water bodies (SWBs) all around the globe. These SWBs, such as streams, rivers, lakes, wetlands, reservoirs, and creeks have a positive impact on the cooling of the surrounding climate and, therefore, reduction in SWBs can contribute to the rise of land surface temperature (LST). This study presents the impact of SWBs on the LST across Bangladesh to quantify their roles in the rapid temperature rise of Bangladesh. The moderate resolution imaging spectroradiometer (MODIS) LST and water mask data of Bangladesh for the period 2000–2015 are used for this purpose. Influences of topography and geography on LST were first removed, and then regression analysis was conducted to quantify the impact of SWBs on the LST. The non-parametric Mann–Kendall (MK) test was used to assess the changes in LST and SWBs. The results revealed that SWBs were reduced from 11,379 km 2 in 2000 to 9657 km 2 in 2015. The trend analysis showed that changes in SWBs have reduced significantly at a 90% level of confidence, which contributed to the acceleration of LST rise in the country due to global warming. The spatial analysis during the specific years showed that an increase in LST can be seen with the reduction of SWBs. Furthermore, the reduction of 100 m 2 of SWBs can reduce the LST of the surrounding regions from −1.2 to −2.2 °C.

Keywords: land surface temperature; surface water bodies; MODIS; Bangladesh (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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