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Climate 2018, 6(2), 28; https://doi.org/10.3390/cli6020028

Land Surface Temperature Variation Due to Changes in Elevation in Northwest Vietnam

1
Cartography, GIS and Remote Sensing Department, Institute of Geography, University of Göttingen, Goldschmidt Street 5, Göttingen 37077, Germany
2
Cartography and Geodesy Department, Land Management Faculty, Vietnam National University of Agriculture, Hanoi 100000, Vietnam
*
Author to whom correspondence should be addressed.
Received: 25 January 2018 / Revised: 6 April 2018 / Accepted: 7 April 2018 / Published: 13 April 2018
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Abstract

Land surface temperature (LST) is one of the most important variables for applications relating to the physics of land surface processes. LST rapidly changes in both space and time, and knowledge of LST and its spatiotemporal variation is essential to understand the interactions between human activity and the environment. This study investigates the spatiotemporal variation of LST according to changes in elevation. The newest version (version 6) of MODIS LST data for 2015 was used. An area of 40,000 km2 (200 × 200 km2) in northwest Vietnam with elevations ranging from 8 m to 3165 m was chosen as a case study. Our results showed that the drop in LST with increased elevation varied throughout the year during both the daytime and nighttime. The monthly averages in 2015 and an altitude increase of 1000 m resulted in a decrease in LST ranging from 3.8 °C to 6.1 °C and 1.5 °C to 5.8 °C for the daytime and nighttime, respectively. This suggests that in any study relating to the spatial distribution of LST, the effect of elevation on LST should be considered. In addition, the effects of land use/cover and elevation distribution on the relationship between LST and elevation are discussed. View Full-Text
Keywords: MODIS LST; land surface temperature; LST variation; elevation; northwest Vietnam MODIS LST; land surface temperature; LST variation; elevation; northwest Vietnam
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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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Phan, T.N.; Kappas, M.; Tran, T.P. Land Surface Temperature Variation Due to Changes in Elevation in Northwest Vietnam. Climate 2018, 6, 28.

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