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http://dx.doi.org/10.7848/ksgpc.2014.32.1.9

Analysis of Vegetation Cover Fraction on Landsat OLI using NDVI  

Choi, Seokkeun (Department of Civil Engineering, Chungbuk University)
Lee, Soungki (Department of Civil Engineering, Chungbuk University)
Wang, Baio (Department of Civil Engineering, Chungbuk University)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.32, no.1, 2014 , pp. 9-17 More about this Journal
Abstract
The Vegetation cover is a significant factor to comprehend characteristics of the ground surface for meterological and hydrological models, which measure energy in the atmosphere or predict the runoff of ground surface. Deardorff introduced vegetation cover fraction to quantitatively comprehend the vegetation cover in 1978. After Deardorff, most of previous researches were conducted on low-resolution or high-resolution images, but only few researches on Landsat that are in medium-resolution images. Therefore, this study aims to investigate a way of calculating the vegetation cover fraction by using NDVI of Landsat images, which were hardly handled previously. For accurate vegetation cover fraction, we compared the evaluated parameters from this study with past vegetation cover fraction parameters that have been calculated for using NDVI of Landsat OLI images. The result of research was shown that NDVI is quite correlated with the vegetation fraction cover in the previous researches. In fact, RMSE of vegetation cover fraction values that obtained through the suggested parameters on this study showed the highest accuracy of 7.3% among all the cases.
Keywords
Landsat OLI; Vegetation Cover Fraction; NDVI;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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