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이근상(Geun-Sang Lee),염경택(Kyung-Taek Yum),황의호(Eui-Ho Hwang),고덕구(Deuk-Koo Koh) 대한공간정보학회 2007 한국지형공간정보학회 학술대회 Vol.2007 No.6
본 연구에서는 2006년 태풍 에위니아 이후 고탁수 문제가 발생하였던 소양호유역을 중심으로 탁수원인이 되는 토사유실지역을 효과적으로 선정하기 위한 방법론을 제시하였다. 특히 토사유실모델을 통해 분석된 결과와 함께 하천주변 대단위 농경지 특성, 경사지 및 제방특성 등을 고려하여 탁수원인지역을 선정하는 기법을 소개하였다. 또한 농경지별 작물종류 자료구축을 위한 모바일 GIS 자료구축 방법 및 지질코드별 가중치평가 기법을 제시함으로서 보다 체계적인 탁수원인지역 조사가 가능하게 되었다.
조완희 ( Wan Hee Cho ),염경택 ( Kyung Taek Yum ),김진수 ( Jin Soo Kim ),반양진 ( Yang Jin Ban ),정세웅 ( Se Woong Chung ) 한국환경영향평가학회 2012 환경영향평가 Vol.21 No.3
There are many long and round shape shores due to terrain characteristics in Daecheong reservoir. Therefore it is indicated different spatial distribution of algae every year since the stream is being regulated by these terrain characteristics and reservoir operation about inflow and outflow discharge. Also oversupply of nutrient salt from tributaries of Daecheong reservoir where pollutants were concentrated generates massive growth of algae and depending on hydrological, reservoir operation condition, those proliferated algae at the stagnant tributaries moves to the mainstream of Daecheong reservoir which could create problems of water quality. In this study, it was analyzed the tendency of algae generation by examining algae occurring status for the last 4 years since 2008, and implemented hydraulic analysis at Daecheong reservoir through numerical tracer simulation by applying 3-dimensional hydrodynamic model, ELCOM. Also it was implemented a quantitative analysis of causal relationship based on the algae generation tendency and hydraulic behavior at Daecheong reservoir. Through numerical tracer simulation in this study, it could be noticed the degree of spread of inflow indicated similar trend to the algae occurring status at Daecheong reservoir and verified the different tendency of algae generation in 2011 unlike previous year caused by the rise of water temperature.