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KMID : 1024520180270110983
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Journal of the Environmental Sciences
2018 Volume.27 No. 11 p.983 ~ p.989
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Relationship between Vegetation Index and Meteorological Element in Yongdam Catchment
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Lee Hyeong-Keun
Hwang Ji-Hyeong
Lee Khil-Ha
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Abstract
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The real-time monitoring of surface vegetation is essential for the management of droughts, vegetation growth, and water resources. The availability of land cover maps based on remotely collected data makes the monitoring of surface vegetation easier. The vegetation index in an area is likely to be proportional to meteorological elements there such as air temperature and precipitation. This study investigated relationship between vegetation index based on Moderate Resolution Image Spectroradiometer (MODIS) and ground-measured meteorological elements at the Yongdam catchment station. To do this, 16-day averaged data were used. It was found that the vegetation index is well correlated to air temperature but poorly correlated to precipitation. The study provides some intuition and guidelines for the study of the droughts and ecologies in the future.
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KEYWORD
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MODIS, Vegetation index, Drought
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