하천구조 개선에 따른 어류 서식적합도와 물리적 교란의 상관분석
作者： Heung Sik Choi , Woong Hee Lee
DOI: 10.17820/ERI.2015.2.1.033
关键词:
摘要: 본 연구는 어류서식적합도 향상을 위해 유전자알고리즘을 이용한 하천의 구조개선 방안을 제시하였다. 하천구조 개선에 의한 수리특성의 변화에 따른 어류 서식적합도와 물리적 교란양상과의 상관특성을 분석하였다. 원주천의 하천 환경조사와 어류의 군집특성을 이용하여 수중 생태계를 대표할 수 있는 복원 목표어종으로 참갈겨니를 선택하였다. 참갈겨니의 서식적합지수를 사용한 서식적합도 분석은 PHABSIM 모형을 이용하였다. HEC-RAS를 수리특성 분석과 하천교란 평가방법을 교란평가를 수행하였다. 위한 최적의 저수로 폭의 개선방안을 하천구조의 교란의 상관성을 분석하여 교란 평가점수의 향상이 있음을 확인하였다. 구조 개선은 가져옴을 【In this study, an optimal improvement method of stream channel structure is presented for the enhancement fish habitat suitability by genetic algorithm. The correlation between and physical disturbance in analyzed according to changes hydraulic characteristics rehabilitation. Zacco koreanus which indicator soundness aquatic ecosystem was selected as a restoration target species investigating community fauna river environments Wonju stream. investigated with index koreanus. Hydraulic analysis HEC-RAS evaluation are carried out. width modified provided. change modification showed that proper enhanced mitigated score rehabilitation confirmed study.】
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