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NTIS 바로가기한국농공학회논문집 = Journal of the Korean Society of Agricultural Engineers, v.58 no.4, 2016년, pp.57 - 66
최윤석 (Korea Institute of Civil Engineering and Building Technology) , 정영훈 (Water Resources Research Center, K-water Institute) , 김주훈 (Korea Institute of Civil Engineering and Building Technology) , 김경탁 (Korea Institute of Civil Engineering and Building Technology)
Harmonized World Soil Database (HWSD) including the global soil information has been implemented to the runoff analysis in many watersheds of the world. However, its accuracy can be a critical issue in the modeling because of the limitation the low resolution reflecting the physical properties of so...
핵심어 | 질문 | 논문에서 추출한 답변 |
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HWSD는 무엇을 조합해서 만들어졌는가? | HWSD는 Food and Agriculture Organization of the United Nations (UN FAO)와 International Soil Reference and Information Centre (ISRIC), Institute of Soil Science-Chinese Academy of Science (ISSCAS), Joint Research Centre of the European Commission (JRC) 등으로부터 제공되는 지역별 토양 데이터베이스를 조합해서 만들어 졌다 (FAO et al., 2009). | |
홍수해석을 위해서는 어떠한 과정이 필요한가? | 홍수해석을 위해서는 수치지형도, Digital Elevation Model(DEM) 등을 이용해서 대상 유역의 수문학적 지형인자를 산정하고, 토지피복 및 토양 속성을 이용해서 홍수추적과 침투량 계산 등에 필요한 매개변수를 추출해야 한다. 이때 토양 속성은 유효우량 산정을 위한 침투량, 지표하 유출 및 기저유출의 계산을 위한 매개변수로 이용된다. | |
북한에서 정밀토양도를 이용하기 어려운 이유는? | 우리나라의 경우 대상 유역 토양의 물리적 속성 정보를 구축하기 위해서 주로 정밀토양도를 이용하고 있다. 그러나 북한과 같은 비접근 지역이나, 지상 관측에 의한 자료가 부족한 해외 지역에 대한 유출해석을 위해서는 대상 지역에 대한 상세한 자료를 얻기 어려우므로, 전지구적 토양정보를 이용하는 것이 대안이 될 수 있다. 본 연구에서는 전지구 토양정보 중 Harmonized World Soil Database (HWSD, FAO et al. |
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