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http://dx.doi.org/10.14481/jkges.2021.22.3.37

Calculation of Soil Carbon Changes by Administrative District with Regard to Land Cover Changes  

Choo, Innkyo (Department of Advanced Science and Technology Convergence, Kyungpook National University)
Seong, Yeonjeong (Department of Advanced Science and Technology Convergence, Kyungpook National University)
Shiksha, Bastola (Department of Advanced Science and Technology Convergence, Kyungpook National University)
Jung, Younghun (Department of Disaster Prevention and Environmental Engineering, Kyungpook National University)
Publication Information
Journal of the Korean GEO-environmental Society / v.22, no.3, 2021 , pp. 37-43 More about this Journal
Abstract
This study aimed to calculate the amount of change in soil carbon due to changes in land cover. Among the various soil carbon models, the InVEST Carbon Storage and Sequestration module was used. LULC is one of the leading factors affecting soil carbon. Therefore, this study compared the total amount of soil carbon due to changes in LULC in 2000 and 2010 across the Republic of Korea, and calculated the changes in each administrative district (city). Changes in LULC in Korea were mainly due to the increase in developed and dry areas and the decrease in grassland, indicating changes in soil carbon. The total amount of soil carbon changes in South Korea has been reduced by 11.48 (millions) in 10 years. The amount of soil carbon by administrative region decreased in most cities and provinces, but Jeju Island, in exception, showed an increase in soil carbon. Among the cities and provinces except Jeju Island, Seoul showed the smallest decrease, with a decrease of 0.033 (million t). On the contrary, the largest number of attempts to decrease was to Gyeongsangbuk-do, which saw a total decrease of 2.893 (million t). Jeju Island is the only soil carbon-increasing area with an increase of 0.547 (millions) and the agricultural area has increased 2.1 times in 10 years. In the case of soil carbon, the construction of ground observation data at the national unit is insufficient, and verification will need to be carried out through linked analysis using multiple models in the future.
Keywords
LULC; Soil carbon; InVEST; Carbon storage;
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Times Cited By KSCI : 1  (Citation Analysis)
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