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NTIS 바로가기한국산림과학회지 = Journal of korean society of forest science, v.108 no.3, 2019년, pp.329 - 340
(서울대학교 산림과학부) , 유송 (서울대학교 산림과학부) , 이은재 (국립산림과학원 산림기술경영연구소) , 이예은 (서울대학교 산림과학부) , 김민식 (백림FR) , 임상준 (서울대학교 산림과학부)
Water pollution in erosion control dams is a major issue for forest watershed management, but the effects of erosion control dams on water quality remain poorly understood. In this study, water quality data from streams and dam reservoirs were collected over the Nakdong river basin. Monitored data w...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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불투과형 사방댐이 투과형과 복합형과 다른 점은? | 2014년 개정된 사방기술교본에서는 사방댐을 크게 불투과형, 투과형, 복합형 사방댐으로 구분한다. 투과형과 복합형 사방댐은 토사를 전부 혹은 일부 통과시키는 반면 불투과형 사방댐은 모든 토사를 저류하며, 국내에서 시공된 사방댐의 약 87%가 여기에 속한다(Lee, 2017). | |
계류에 체류되어 있는 유목의 특성은? | 이러한 수질 문제는 유량이나 유속 감소에 따른 계류수의 정체, 낙엽 등 산림유기물의 퇴적 등이 주요 원인이다. 계류에 체류되어 있는 유목은 유기물과 토사를 퇴적시키고 어류및 수생곤충에게 서식공간을 제공한다(Seo et al., 2012). | |
현장에서 시료의 수질 분석은 어떻게 실시되었는가? | 시료의 수질 분석은 현장 분석과 실내 분석으로 나뉘어 실시하였다. 수온, 수소이온농도(pH), 용존산소량(DO), EC 는 현장에서 OTT사의 Hydrolab MS5를 이용하여 측정하였다. 생물화학적 산소요구량(BOD), 화학적 산소요구량(COD), 총유기탄소량(TOC), T-N, 암모니아성 질소(NH4-N), 질산성 질소(NO3 -N), T-P, 부유물질량(SS), Chl-a, 탁도 등수질항목은 실내에서 분석하였다. |
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