Title |
Assessment of Climate Change Impact on Flow Regime and Physical Habitat for Fish |
Authors |
홍일(Hong, Il) ; 김지성(Kim, Ji Sung) ; 김규호(Kim, Kyu Ho) ; 전호성(Jeon, Ho Seong) |
DOI |
https://doi.org/10.12652/Ksce.2019.39.1.0033 |
Keywords |
기후변화;하천유황;수문변화지표;환경흐름요소;물리서식처 Climate change;Flow regimes;IHA;EFCs;Physical Habitat |
Abstract |
Due to the recent climate change realization (timing, rainfall pattern changes), the flow regime is changing according to the watershed. The long-term change of flow regime is causing a significant change in structure and function of aquatic ecosystems. However, there is no analysis from the viewpoint of the aquatic ecosystem including flow rate alteration and ecological characteristics as well as the climate change connection in Korea yet. Therefore, We quantitatively assessed the impact of present-future flow regime alteration due to climate change on the Pseudopungtungia nigra habitat in the Mankyung river and floodplain area. As a result, it was confirmed that extreme hydrological conditions such as flood and drought are intensified in the future than the present. Especially, the changes of flow regime characteristics were clarified by comparing and analyzing the magnitude, frequency, duration, rate of change, and by linking flow regime characteristics with physical habitat analysis, it could be suggested that climate change would significantly increase the risk of future ecological changes. |