drought detection by application of remote sensing technology and vegetation phenology

Clicks: 287
ID: 138500
2017
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Abstract
Drought is a natural phenomenon as it often occurs in the area of Yasothon province, northeastern of Thailand. It causes the effects on vegetation condition in the area. Drought information might be useful for local government to prepare for prevention and mitigation plan in the future. For this reason, the primary objective of the research was to conduct the examination of this province to find severe drought years. Firstly, the researcher needed to find Normalized Differences Vegetation Index (NDVI) and Vegetation Condition Index (VCI) by analyzing monthly Landsat data acquired at different periods of time from January to December 2014, 2015, and 2016, covering 4,096 km2. Then, the researcher needed to find relationship between VCI and monthly rainfall represented in term of space and time. As results, VCI and its relationship with monthly rainfall were congruent. VCI showed that the drought area was 33.87 % or 1,387.32 km2 of studied area in 2014, 16.24 % or 665.19 km2 of studied area in 2015 and 27.95 % or 1,144.83 km2 of studied area in 2016. Therefore, the most to the least severe drought years were 2014, 2016, and 2015 respectively.
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uttaruk2017journaldrought Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yannawut Uttaruk;Teerawong Laosuwan
Journal cell journal
Year 2017
DOI
10.12911/22998993/76326
URL
http://www.journalssystem.com/jeeng/,76326,0,2.html
Keywords
remote sensing sanitary engineeringenvironmental sciences vegetation phenologyenvironmental technology

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