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- W4328049862 abstract "Abstract Background Five ministries are involved in estimating the greenhouse gas (GHG) inventory in the South Korean land use, land-use change, and forestry (LULUCF) sectors. However, these ministries have not established a consistent land classification standard between land-use categories. Therefore, the GHG inventory is estimated at the approach 1 level with no spatial clarity between land-use categories. Moreover, the settlements category is not estimated because activity data and the spatial scope are lacking. This study proposed a methodology for constructing a land-use change (LUC) matrix in the LULUCF sector for improving approach level and estimating the GHG inventory in the settlements. Result We examined 10 sets of spatiotemporal data in South Korea to construct a LUC matrix. To maintain consistency in the spatial land classification, we constructed a LUC matrix using cadastral maps, which provide useful data for consistent land-use classification in South Korea. The LUC matrix was divided into remaining and land-converted settlements between 2005 and 2019 with estimated areas of 878,393.17 and 203,260.42 ha, respectively. CO 2 emissions, according to Intergovernmental Panel Climate Change’s Guideline Tier 1, were estimated at 18.94 MtCO 2 for 15 years, with an annual CO 2 emission of 1.26 MtCO 2 yr −1 . CO 2 emission by land conversion type was found to be the largest at 16.93 MtCO 2 in the case of forest converted to settlements. In addition, the area with the largest CO 2 emission density was Sejong-si at 7.59 tCO 2 /ha. Conclusion Based on reviewing available spatial data in South Korea, it is possible to improve Approach 3, which is more advanced than previous Approach 1 in the settlement category. In addition, the national GHG inventory also can be estimated by our constructed LUC matrix and activity data in this study. Under the many discussions about developing the Approach system, this study can provide in-detail information on developing LUC in South Korea in the settlement category as well as suggesting a methodology for constructing the LUC matrix for countries with similar problems to South Korea." @default.
- W4328049862 created "2023-03-22" @default.
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- W4328049862 date "2023-03-21" @default.
- W4328049862 modified "2023-09-26" @default.
- W4328049862 title "Construction of land-use change matrix and estimation of greenhouse gas inventory focusing on settlements in South Korea" @default.
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- W4328049862 doi "https://doi.org/10.1186/s13021-023-00223-3" @default.
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