- Estimating of the Greenhouse Gas Mitigation and Function of Water Resources Conservation through Conservation of Surface Soils Erosion and Policy Suggestion
- Oh, Seung-Min;Kim, Hyuck Soo;Lee, Sang-Pil;Lee, Jong Geon;Jeong, Seok Soon;Lim, Kyung Jae;Kim, Sung-Chul;Park, Youn Shik;Lee, Giha;Hwang, Sang-Il;Yang, Jae-E;
- Department of Biological Environment, Kangwon National University;Department of Biological Environment, Kangwon National University;Department of Biological Environment, Kangwon National University;Department of Biological Environment, Kangwon National University;Department of Biological Environment, Kangwon National University;Department of Regional Infrastructures Engineering, Kangwon National University;Department of Bio Environmental Chemistry, Chungnam National University;Department of Rural Construction Engineering, Kongju National University;Construction & Disaster Prevention Engineering, Kyungpook National University;Korea Environment Institute;Department of Biological Environment, Kangwon National University;
- 표토유실 보전을 통한 온실가스배출 저감과 수자원 보전 기능의 산출 및 정책제안
- 오승민;김혁수;이상필;이종건;정석순;임경재;김성철;박윤식;이기하;황상일;양재의;
- 강원대학교 바이오자원환경학과;강원대학교 바이오자원환경학과;강원대학교 바이오자원환경학과;강원대학교 바이오자원환경학과;강원대학교 바이오자원환경학과;강원대학교 지역건설공학과;충남대학교 생물환경화학과;공주대학교 생물산업공학부;경북대학교 건설방재공학부;한국환경정책.평가연구원;강원대학교 바이오자원환경학과;
Abstract
Soil erosion is often extreme in Korea due to high rainfall intensities and steep slopes, and climate change has also increased the risk of erosion. Despite its significane, erosion-induced soil organic carbon (SOC) emission and water resource loss are not well understood, along with the lack of an integrated surface soil erosion protection policy. Therefore, to design adequate protection policies, land users, scientists, engineers and decision makers need proper information about surface soil and watershed properties related to greenhouse gas emission potential and water conservation capability, respectively. Assuming the total soil erosion of $346Tg\;yr^{-1}$ , soil organic matter (SOM) content of 2% (58% of SOM is SOC), and mineralization rate of 20% of the displaced carbon, erosion-induced carbon emission could reach $800Gg\;C\;yr^{-1}$ . Also the available water capacity of the soil was estimated to be 15.8 billion tons, which was 14 times higher than the yearly water supply demand in Seoul, Korea. Therefore, in order to prevent of soil erosion, this study proposes a three-stage plan for surface soil erosion prevention: 1) classification of soil erosion risk and scoring of surface soil quality, 2) selection of priority areas for conservation and best management practices (BMP), and 3) application of BMP and post management.
Keywords: Surface soil;Erosion;Climate change;Carbon budget;Water resource;
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