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  1. Maubin University
  1. Maubin University
  2. Department of Geology

Investigation of Urban Heat Island (UHI) Effect in Yangon City by using Remote Sensing & GIS

http://hdl.handle.net/20.500.12678/0000007085
http://hdl.handle.net/20.500.12678/0000007085
00b501f7-a713-44fb-a767-acfe7a4a0ba0
63d35647-8f3c-4658-9a9b-26d937af15a8
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Publication type
Journal article
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Publication
Title
Title Investigation of Urban Heat Island (UHI) Effect in Yangon City by using Remote Sensing & GIS
Language en
Publication date 2020-12-01
Authors
Thae Naung Lwin
Pyae Hpone Naing
Description
Yangon is the old capital city and the most important commercial city of
Myanmar. The urban area of Yangon city has been rising rapidly and great
changes have taken place in the past 20 years, especially after 2000. The
population and urban size of Yangon have grown tremendously between 2000
and 2019. In 2019, the population of Yangon city is approximately 4477638 and
the population density is 12308 per square kilometre. The disadvantages of
having a large population and urbanization are many facts. Deforestation, land
surface temperature and urban heat island (UHI) have resulted from them. Heatrelated
illness is the consequence of surface and air temperature rising. Since the
past ten years ago, heat-related illnesses were many occurred in Yangon city.
The study area has been selected by two main facts (1) population and (2) the
rate of urbanization. This study aims to investigate the reaction among the
deforestation, land surface temperature (LST) and urban heat island (UHI) in
Yangon city. The main data was landsat7 ETM+ of 17 February 2003 and
landsat8 of 21 February 2019 satellite images which were cloud-free data. Many
spatial statistical equations and methods were applied to this research process.
The research shows that the minimum land surface temperature (LST) is rising
from 25.1046 °C to 26.2854 °C and the maximum is 42.1150 °C to 43.7832 °C
from 2003 to 2019. The vegetation coverage (NDVI) has decreased and the
urbanization area (NDBI) has increased. In the study area, the urban heat island
(UHI) intensity was correlated with land surface temperature (LST), vegetation
coverage and urbanization area.
Keywords
Urban Heat Island, NDVI, NDBI, Land Surface Temperature
Journal articles
Maubin University Research Journal
p. 350 - 364
Vol.11
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