Analysis of Hydrologic Alteration Due to River Diversion
نویسندگان
چکیده
منابع مشابه
Assessment of ecologically relevant hydrological change in China due to water use and reservoirs
As China’s economy booms, increasing water use has significantly affected hydro-geomorphic processes and thus the ecology of surface waters. A large variety of hydrological changes arising from human activities such as reservoir construction and management, water abstraction, water diversion and agricultural land expansion have been sustained throughout China. Using the global scale hydrologica...
متن کاملA spatial assessment of hydrologic alteration caused by dam construction in the middle and lower Yellow River, China
The ‘range of variability approach’ (RVA) and mapping technique are used to investigate the spatial variability of hydrologic alterations (HA) due to dam construction along the middle and lower Yellow River, China, over the past five decades. The impacts of climate variability on hydrological process have been removed during wet and dry periods and the focus is on the impacts of human activitie...
متن کاملEvaluation of Spatial Pattern of Altered Flow Regimes on a River Network Using a Distributed Hydrological Model
Alteration of the spatial variability of natural flow regimes has been less studied than that of the temporal variability, despite its ecological importance for river ecosystems. Here, we aimed to quantify the spatial patterns of flow regime alterations along a river network in the Sagami River, Japan, by estimating river discharge under natural and altered flow conditions. We used a distribute...
متن کاملتأثیر سد کرخه بر الگوی پراکنش مکانی جنگل های کناررودی در پارک ملی کرخه
Effective river ecosystem management requires that the existing hydrologic regime be characterized in terms of the natural hydrologic regime and the degree to which the human-altered regime differs from natural conditions. This is known as Range of Variation Approach (RVA) and can be used for variation of stream flow, range of variation and appraisal of dam impacts on riparian zones. In this pa...
متن کاملRevisiting the homogenization of dammed rivers in the southeastern US
For some time, ecologists have attempted to make generalizations concerning how disturbances influence natural ecosystems, especially river systems. The existing literature suggests that dams homogenize the hydrologic variability of rivers. However, this might insinuate that dams affect river systems similarly despite a large gradient in natural hydrologic character. In order to evaluate patter...
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تاریخ انتشار 2017