作者: Paweł Marcinkowski , Mateusz Grygoruk
DOI: 10.3390/W9100783
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摘要: Most European riverine ecosystems suffer from the negative influence of impoundments on flow regime. Downstream effects dams lead to a number environmental and socioeconomic risks and, therefore, should be thoroughly examined in specific contexts. Our study aims quantify downstream Siemianowka Reservoir (Upper Narew, Poland), using statistical analysis key elements river’s regime, such as duration recurrence floods droughts. In comparative control catchments not influenced by (the Supraśl Narewka Rivers), we revealed following analyzed dam: significant shortening spring floods, reduction depth summer droughts, decrease maximum discharge, homogenization discharge hydrographs. Although determined “before” “after” dam function periods, showed that this issue is regional, climate-related, replicated catchments, rather than an evident effect dam. We conclude hydrological dam–reservoir system could have been main driver inducing deterioration anastomosing stretch Narew River