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http://dx.doi.org/10.7780/kjrs.2012.28.1.145

Estimation of Vegetation Carbon Budget in South Korea using Ecosystem Model and Spatio-temporal Environmental Information  

Yoo, Seong-Jin (Environmental GIS/RS center, Korea University)
Lee, Woo-Kyun (Department of Environmental Science and Ecological Engineering, college of life science, Korea University)
Son, Yo-Whan (Department of Environmental Science and Ecological Engineering, college of life science, Korea University)
Ito, Akihiko (National Institute for Environmental Studies)
Publication Information
Korean Journal of Remote Sensing / v.28, no.1, 2012 , pp. 145-157 More about this Journal
Abstract
In this study, we simulated a carbon flux model, so called Vegetation Integrated Simulator for Trace gases (VISIT) using Spatio-temporal Environmental Information, to estimate carbon budgets of vegetation ecosystem in South Korea. As results of the simulation, the model estimated that the annual-average gross primary production (GPP), net primary production (NPP) for 10 years were $91.89Tg\;C\;year^{-1}$, and $40.16Tg\;C\;year^{-1}$, respectively. The model also estimated the vegetation ecosystems in South Korea as a net carbon sink, with a value of $3.51Tg\;C\;year^{-1}$ during the simulation period. Comparing with the anthropogenic emission of South Korea, vegetation ecosystems offsets 3.3% of human emissions as a net carbon sink in 2007. To estimate the carbon budget more accurately, it is important to prepare reliable input datasets. And also, model parameters should be calibrated through comparing with various independent method. The result of this study, however, would be helpful for devising ecosystem management strategies that may help to mitigate global climate change.
Keywords
ecosystem model; vegetation carbon budget; model simulation; validation;
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Times Cited By KSCI : 3  (Citation Analysis)
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