Abstract

This study was reviewed the national greenhouse gas inventory report (NIR) of Annex I countries and estimated national greenhouse gas inventory on wetlands in Korea. Annex I countries submitted National Inventory Report which are focused on land converted to wetlands category and wetland remaining wetland (mainly peat lands) because IPCC did not suggest a formal methodology on flooded land. So we conducted a study on estimating of national greenhouse gas inventory in wetland (flooded land). The total annual <TEX>$CO_2-eq.$</TEX> emission of wetland remaining wetland (flooded land) was ranged from 99.9 Gg <TEX>$CO_2-eq.$</TEX> to 237.1 Gg <TEX>$CO_2-eq.$</TEX> from 1990 to 2012. The <TEX>$CO_2-eq.$</TEX> emissions was declined after peaking in 1995, however, it slightly increasing in recently years. The latest total <TEX>$CO_2-eq.$</TEX> emission from flooded land was 117.7 Gg <TEX>$CO_2-eq.$</TEX> in 2012 which was covered only 0.00002% of national GHG inventory. This means that flooded land is not key-category in Korea. We will consider an improvement for emissions of flooded land, if IPCC suggest formal or complementary methodology.

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