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홍은미,임경재,오승민,김동진,Hong, Eun-Mi,Im, Gyeong-Jae,O, Seung-Min,Kim, Dong-Jin 한국수자원학회 2021 물과 미래(한국수자원학회지) Vol.54 No.2
2021년도부터 제3차 비점오염원관리종합대책이 시행되고, 정부 부처 물환경관리 대책도 유역관리중심 강우유출수관리 중심을 전환되고 있다. 이러한 비점오염관리에 대한 정책 변화 발 맞추어 원주지방환경청에서는 지역거점형 「비점오염관리 연구·지원센터」를 설립하고, 강원지역 한강 상류 수계에 분포하고 있는 고랭지밭에서 배출되는 흙탕물 발생 저감을 위한 다양한 발생원 관리 비점오염 저감사업을 추진하고 있다. 그 외에도 강원도 지자체 및 이해관계기관에서는 흙탕물 저감 교육 및 거버넌스 활성화 프로그램 개발 및 운영에 힘쓰고 있다. 이러한 강원지역 비점오염저감을 위한 다양한 노력을 통해 향후 유역단위 흙탕물 저감 방안 마련과 상하류간 이해 증진, 민원 해결, 그리고 비용·경제적 실효성 있는 문제 해결을 기대해 본다.
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홍은미,최진용,유승환,남원호,Hong, Eun-Mi,Choi, Jin-Yong,Yoo, Seung-Hwan,Nam, Won-Ho 한국농공학회 2012 한국농공학회논문집 Vol.54 No.4
Soil moisture plays a pivotal role in hydrological processes, especially in the forest which covers more than 64% of the national land. Soil moisture was monitored to analyze soil moisture change characteristics in terms of time and soil layers in this study. 2 Years soil moisture change data was obtained from the experimental nut pine forest and statistical analysis including auto-correlation and cross-corelation among soil moisture data from different soil layers was conducted. Using the monitored soil moisture data, a relationship between soil moisture change and precipitation was analyzed and seasonal soil moisture change characteristics were analyzed. From the result of inter-relationships among soil layers in terms of season and time lag, soil moisture change characteristics in the nut pine forest were upper soil layers were much sensitive than lowers, and seasonal variation if soil moisture for upper soil layers were bigger than lowers showing low correlation with precipitation in winter and spring due to freezing and snowfalls.
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바이오순환림의 저농도액비 시용에 따른 토양수 및 지하수 수질 영향 분석
홍은미,최진용,유승환,남원호,여진기,최인규,Hong, Eun-Mi,Choi, Jin-Yong,Yoo, Seung-Hwan,Nam, Won-Ho,Yeo, Jin-Kie,Choi, In-Gyu 한국농공학회 2010 한국농공학회논문집 Vol.52 No.5
Manure recycling as fertilizer is one of solutions for the environmental problem related with livestock manure treatment as well as the ocean dumping ban act prohibiting manure disposal to the ocean. For the manure disposal, forest area can be a candidate place because the area has a wide range of applicable sites. However, the manure application to the forest has a possibility of causing environmental impacts including water quality problems due to nutrient loading. Therefore it is necessary to investigate water quality impact from manure disposal to the forestry plantation. In this study, ground and soil water quality had been monitored in the bio-circulation experimental forest where low concentration liquid manure (LCLM) was applied. Soil and groundwater samples were collected and analyzed weekly from April to October in 2008 and 2009. The mean and variation of NO3-N concentration in soil water of LCLM treatment places showed higher concentration than the reference places declining during growing season. In the case of groundwater from monitoring well in the downstream of disposal site, the $NO_3$-N concentration was 3.59 mg/L in 2008 and 3.26 mg/L in 2009 in average showing higher concentration than the reference well although the concentration was not exceed the national drinking water standard. To investigate the source of nitrate, $\delta^{15}N$ isotope analysis was also implemented. Its result showed that the LCLM application could be the nitrate source requiring further long-term monitoring soil and water quality.
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