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Evaluating the Agricultural Drought for Pre-Kharif Season in Bangladesh using MODIS Vegetation Health IndexMODIS VHI를 이용한 방글라데시 Pre-Kharif 시즌 농업가뭄의 평가
- Other Titles
- MODIS VHI를 이용한 방글라데시 Pre-Kharif 시즌 농업가뭄의 평가
- Issue Date
- Nov-2018
- Publisher
- 한국농공학회
- Keywords
- Agricultural drought; bangladesh; MODIS; pre-kharif; VHI
- Citation
- 한국농공학회논문집, v.60, no.6, pp 55 - 63
- Pages
- 9
- Indexed
- KCI
- Journal Title
- 한국농공학회논문집
- Volume
- 60
- Number
- 6
- Start Page
- 55
- End Page
- 63
- ISSN
- 1738-3692
2093-7709
- Abstract
- This paper aimed to characterize the spatial and temporal pattern of agricultural drought in Pre-Kharif season using Vegetation Health Index (VHI) andillustrated drought characteristics in Bangladesh during 2001-2015. VHI was calculated from TCI (Temperature Condition Index) and VCI (VegetationCondition Index) derived from MODIS Terra satellite data, LST (Land Surface Temperature) and EVI (Enhanced Vegetation Index), respectively. Thefinding showed that all drought-affected areas were experienced by mild, moderate, severe and extreme droughts in several years of Pre-Kharif seasons. Significant drought events were found in the year of 2002 and 2013. On average, Chittagong district covered the largest drought area in all droughtstages, and the fraction of drought area was the highest in Sylhet and Rangpur for Pre-Kharif season. Finally, overlaying annual VHI raster mapsresulted in that the most vulnerable district to agricultural drought were Sylhet, Rangpur, and Mymensingh in the northern and eastern regions ofBangladesh.
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Collections - 농업생명과학대학 > Department of Agricultural Engineering, GNU > Journal Articles
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