Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"Dam removals"”.
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Effective Mitigation of Sedimentation on Riparian Riverbeds and Salmonid Populations After Dam Removal
… connectivity to reach spawning habitat. Dams prevent longitudinal connectivity while providing cities with potable water, hydroelectricity, and irrigation. With increasing knowledge of how dams negatively affect the riparian ecosystem and various polices, dam removals are increasing in …
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Short-term response of a mountain stream to a sediment pulse and a major flood
… of a few months. The removal of the Mill Pond dam (a ~17 m tall impoundment dam) generated a sediment pulse, and was shortly followed by a large freshet flood, with a return interval estimated to be between 10 and 50 years. To understand the nature of the stream’s response to these events, I …
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FORECASTING GROUNDWATER RESPONSES TO DAM REMOVAL
… describing groundwater system responses to dam removals and presents current and new methodologies that managers can use to proactively forecast and mitigate those impacts. The three papers bring together literature, data gathering, data analysis, testing, and modeling techniques that apply …
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FORECASTING GROUNDWATER RESPONSES TO DAM REMOVAL
… describing groundwater system responses to dam removals and presents current and new methodologies that managers can use to proactively forecast and mitigate those impacts. The three papers bring together literature, data gathering, data analysis, testing, and modeling techniques that apply …
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Sediment Control In Alluvial Rivers Using Simulation-Based Optimization
… networks due to extreme events (e.g. floods and dam removals) under operational constraints so that the optimal sediment control can be achieved. The developed model combines an optimization module with a well-established one-dimensional model (CCHE1D) for simulating open channel flows and …
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Riparian vegetation and the soil seed bank five years after dam removal on the Elwha River, Washington
<p>Damming of rivers is widespread and can profoundly impact riparian areas by altering the fluvial processes that drive riparian vegetation communities. Dam removal may reverse these effects; however, very few studies have examined the response of riparian vegetation to large dam removal and …
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Geomorphic Analysis of A Rural Fluvial System During Pre-Dam Removal Conditions: A Case Study In Eastern Virginia
<p>Eighty-five percent of dams in the United States will reach the end of their operational design lives by 2020, thus driving the recent shift towards planning dam removals as an alternative to repair and maintenance. Like the dams themselves, dam removal impacts stream morphology and chemistry, …
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Vegetation colonization within exposed reservoirs following dam removal on the Elwha River, Washington
… of rivers, and are significantly impacted by dams. With over 50% of large dams in the U.S. beyond their life expectancy, dam removal is increasingly being considered to eliminate aging infrastructure and restore ecosystems. There have been few large dam removals to date, so studies assessing …
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The impact of run-of-river dams on channel morphology and sedimentation
The effects of dams on the characteristics of fluvial channels upstream and downstream of these structures have mainly focused on the effects of large impoundment dams. However, many dams in the United States are run-of-river structures, which do not extend in height about the elevation of the …