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http://dx.doi.org/10.7780/kjrs.2011.27.1.017

Vegetation Interannualvariavility Over Korea Using 10-Years 1KM NDVI Data  

Kim, In-Hwan (Pukyong National University Department of Spatial Information Engineering)
Han, Kyung-Soo (Pukyong National University Department of Spatial Information Engineering)
Kim, Sang-Il (Pukyong National University Department of Spatial Information Engineering)
Publication Information
Korean Journal of Remote Sensing / v.27, no.1, 2011 , pp. 17-24 More about this Journal
Abstract
Global warming and climatic changes due to human activities impact on marine and terrestrial ecosystems, which feedbacks to climate system. These negative feedbacks amplify or accelerate again global climate change. In particular, it is important to analyze vegetation change. This study attempts to analyze quantitatively vegetation change in Korea peninsula by using harmonic analysis. Harmonic-Analysis based on Fourier Transform is the method to effectively demonstrate for time series data. Especially, Harmonic-Analysis is very suitable method to analyze vegetation change because the vegetation repeats the cycle growth and extinction every year. The result of harmonic-analysis shows vegetation change as time passes. In this study, SPOTNEGETATION S10 MVC NDVI data was used during last 10 years (1999-2008) in Korea Peninsula. Also, land type classification used MODIS Land Cover Map data. The study estimated that phase values moved up approximately 0.5 day per year in cropland and 0.8 day per year in forest.
Keywords
NDVI; SPOT VEGETATION; harmonic-analysis; Fourier Transform;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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