Relevant bibliographies by topics / Downstream spawning

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Downstream spawning'

Author: Grafiati
Published: 24 June 2021
Last updated: 29 July 2025

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Journal articles on the topic "Downstream spawning"

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Babcock, Russ, Elke Franke, and Neill Barr. "Does spawning depth affect fertilization rates? Experimental data from the sea star Coscinasterias muricata." Marine and Freshwater Research 51, no. 1 (2000): 55. http://dx.doi.org/10.1071/mf98132.

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Measurements of fertilization rates in free-spawning marine invertebrates have shown that reproductive success is related to both behavioural and environmental factors. Water depth has been suggested as being one such factor affecting fertilization success. In experimental spawnings of the sea star Coscinasterias muricata, fertilization rates decreased exponentially with distance from sperm source but were frequently greater than 20% at distances >10 m downstream. Current speed did not have a significant effect on fertilization rate over the range of velocities examined. Fertilization rates
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Sinnatamby, R. Niloshini, Madalena C. Pinto, Fiona D. Johnston, et al. "Seasonal timing of reproductive migrations in adfluvial bull trout: an assessment of sex, spawning experience, population density, and environmental factors." Canadian Journal of Fisheries and Aquatic Sciences 75, no. 12 (2018): 2172–83. http://dx.doi.org/10.1139/cjfas-2017-0542.

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Using individual tags combined with a fish fence operated at the mouth of Smith-Dorrien Creek, the primary spawning habitat for Lower Kananaskis Lake bull trout (Salvelinus confluentus), we approximated a complete census of the spawning population from 1996 to 2000 to assess whether timing of upstream and downstream spawning migrations varied with extrinsic and intrinsic factors. The timing of both upstream and downstream migrations varied with sex, previous spawning experience, density, and temperature. Inferred spawning duration based on the predicted upstream and downstream migration dates
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Brown, Richard S., and William C. Mackay. "Spawning ecology of cutthroat trout (Oncorhynchus clarki) in the Ram River, Alberta." Canadian Journal of Fisheries and Aquatic Sciences 52, no. 5 (1995): 983–92. http://dx.doi.org/10.1139/f95-097.

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Spawning movements of cutthroat trout (Oncorhynchus clarki) were evaluated using radiotelemetry in a montane river and a headwater tributary. The movements of 23 fish were monitored in spring 1991 and 1992. Fish moved upstream and downstream to spawning areas. These movements fell into two distinct patterns: in one, fish emigrated to tributaries and in the other they traveled to main-stem or side-channel spawning grounds. The pre- and post-spawning movements made by fish that spawned in tributaries were longer than those made by fish that spawned in the main-stem or side-channel areas. While s
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Castro-Santos, Theodore, and Benjamin H. Letcher. "Modeling migratory energetics of Connecticut River American shad (Alosa sapidissima): implications for the conservation of an iteroparous anadromous fish." Canadian Journal of Fisheries and Aquatic Sciences 67, no. 5 (2010): 806–30. http://dx.doi.org/10.1139/f10-026.

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We present a simulation model in which individual adult migrant American shad ( Alosa sapidissima ) ascend the Connecticut River and spawn, and survivors return to the marine environment. Our approach synthesizes bioenergetics, reproductive biology, and behavior to estimate the effects of migratory distance and delays incurred at dams on spawning success and survival. We quantified both the magnitude of effects and the consequences of uncertainty in the estimates of input variables. Behavior, physiology, and energetics strongly affected both the distribution of spawning effort and survival to
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Acolas, M. L., M. L. Bégout Anras, V. Véron, H. Jourdan, M. R. Sabatié, and J. L. Baglinière. "An assessment of the upstream migration and reproductive behaviour of allis shad (Alosa alosa L.) using acoustic tracking." ICES Journal of Marine Science 61, no. 8 (2004): 1291–304. http://dx.doi.org/10.1016/j.icesjms.2004.07.023.

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Abstract We provide a detailed description of the migratory and reproductive behaviour of allis shad (Alosa alosa L.), a species that is in decline in Europe. Adult swimming behaviour during the last part of upstream migration and on a spawning ground downstream of an insurmountable dam was studied in detail and its main features identified, “characterized” in this context. Mobile telemetry and a fixed telemetry system were used to record fish positions and to monitor 23 acoustically tagged individuals (17 females and six males) during the 2001 and 2002 reproductive seasons. Allis shad showed
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Chen, Pan, Lan Li, and Hongbin Zhang. "Spatio-temporal variability in the thermal regimes of the Danjiangkou reservoir and its downstream river due to the large water diversion project system in central China." Hydrology Research 47, no. 1 (2015): 104–27. http://dx.doi.org/10.2166/nh.2015.210.

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Understanding water temperature variation in regulated rivers and reservoirs becomes increasingly important as the environment and ecosystem are approaching their thermal limits. In this paper, a multi-model approach is used to quantitatively access the spatio-temporal change in thermal structures of the Danjiangkou reservoir and its downstream river. The area is subject to thermal and hydrological alterations due to three large water diversion projects and related auxiliary projects, including a project to heighten the Danjiangkou dam and two small downstream reservoirs. It is found that the
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Bradford, M. J., and G. C. Taylor. "Individual variation in dispersal behaviour of newly emerged chinook salmon (Oncorhynchus tshawytscha) from the Upper Fraser River, British Columbia." Canadian Journal of Fisheries and Aquatic Sciences 54, no. 7 (1997): 1585–92. http://dx.doi.org/10.1139/f97-065.

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Immediately after emergence from spawning gravels, fry of stream-type chinook salmon (Oncorhynchus tshawytscha) populations from tributaries of the upper Fraser River, British Columbia, distribute themselves downstream from the spawning areas, throughout the natal stream, and into the Fraser River. We tested the hypothesis that this range in dispersal distances is caused by innate differences in nocturnal migratory tendency among individuals. Using an experimental stream channel, we found repeatable differences in downstream movement behaviour among newly emerged chinook fry. Fish that moved d
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Bestgen, Kevin R., Harry J. Crockett, Matthew R. Haworth, and Ryan M. Fitzpatrick. "Production of Nonadhesive Eggs by Flathead Chub and Implications for Downstream Transport and Conservation." Journal of Fish and Wildlife Management 7, no. 2 (2016): 434–43. http://dx.doi.org/10.3996/022016-jfwm-018.

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Abstract Plains stream fishes in North America, including flathead chub Platygobio gracilis, are negatively affected by stream-flow alterations and fragmentation, and limited information on egg type and reproductive strategy hinders their conservation. On the basis of several lines of evidence, including laboratory culture, observations of reproduction in captivity, and capture and rearing of eggs from Fountain Creek, Colorado, we report that flathead chub produce nonadhesive eggs. Flathead chub eggs are relatively small at 2.3 mm mean diameter, have a greater yolk-to-egg volume ratio and thus
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Kantoush, Sameh, Takamasa Suzuki, Yasuhiro Takemon, et al. "Numerical study on reservoir sediment management through adding excavated sediment downstream of dams in Japan." E3S Web of Conferences 40 (2018): 03033. http://dx.doi.org/10.1051/e3sconf/20184003033.

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Dam related issues have become preoccupying, with raising concerns about detrimental environmental impacts and sedimentation in reservoirs. Reduction of the Ayu-fish production is due to increasing turbidity and decreasing coarse sediment supply by dams in the Tenryu River, Japan. The paper summarizes various case studies on excavated sediment supply in Japan and a case of numerical study to evaluate the effect of the supplied sediment on the spawning redds of Ayu-fish in the Tenryu River. Results of numerical simulations show that under the present management scheme of non-supplied sediment f
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Kaev, A. M., G. N. Dzen, P. S. Sukhonos, and I. S. Bobrov. "ESTIMATION OF ABUNDANCE FOR THE MIGRATING JUVENILE PINK SALMON IN THE RIVERS OF SAKHALIN AND ITURUP ISLANDS IN 2019." Izvestiya TINRO 200 (March 26, 2020): 82–100. http://dx.doi.org/10.26428/1606-9919-2020-200-82-100.

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Number of the pink salmon fry migrating downstream from their spawning grounds in the control rivers in 2019 is assessed as 17546.2 . 103 and 14795.7 . 103 ind. for the Dagi and Bolshoi Khuzi Rivers (northeastern Sakhalin), as 89.1 . 103 and 2636.1 . 103 ind. for the Poronai River tributaries — the Kholodny and Orlovka, as 2759.8 . 103 and 21456.0 . 103 ind. for the Lazovaya and Pugachevka Rivers (western coast of the Patience/Terpeniya Bay), as 5803.8 . 103 and 19020.0 . 103 ind. for the Voznesenka and Ochepuha Rivers (southeastern Sakhalin), as 1822.4 . 103 and 2139.0 . 103 for the Taranai a
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Dissertations / Theses on the topic "Downstream spawning"

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Adolfsson, Oscar. "Consequences on population dynamics following regained connectivity in pike (Esox lucius) spawning location." Thesis, Linnéuniversitetet, Institutionen för biologi och miljö (BOM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104213.

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Distributional movements of subpopulations may act as a buffer to prevent the loss of a species in a certain area. However, within subpopulations adaptations may evolve that makes the inhabitants of a certain habitat to better cope with prevailing environmental conditions. If such traits are related to reproduction, they may reduce the opportunity of gene exchange between other subpopulations. Also, a lack of adaptations to a specific habitat may be what prevents a group of individuals, arriving from an adjacent habitat, to successfully colonize an area where a previous subpopulation has been
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Book chapters on the topic "Downstream spawning"

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Wang, Chonglin, Sizhen Liang, Jingjie Feng, Ran Li, and Gaolei Zhao. "The Variation of Hydrological Regime According to the Daily Operation of a Complementary Hydro-Photovoltaic Reservoir and Its Impact." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1748-8_41.

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AbstractDaily operation of a hydropower station is conducted to meet the energy requirement. The hydraulic parameters of the downstream are significantly affected by the dam operation, which has a negative impact on the aquatic system. When the multi energy complementary method is used, such as hydro-photovoltaic (hydro-PV) combined power generation, the problem will worsen. Hydropower station A (HSA) on River X was selected to investigate the impact of daily operation. HSA is a part of hydro-PV complementary power generation. The spawning and breeding period of typical fish, April to July, wa
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"Anadromous Sturgeons: Habitats, Threats, and Management." In Anadromous Sturgeons: Habitats, Threats, and Management, edited by Henrietta I. Jager, Mark S. Bevelhimer, Ken B. Lepla, James A. Chandler, and Webb Van Winkle. American Fisheries Society, 2007. http://dx.doi.org/10.47886/9781888569919.ch18.

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<em>Abstract.</em>— This paper describes a simulation study of reconnection options for white sturgeon <em>Acipenser transmontanus</em> subpopulations in adjacent river segments above and below CJ Strike Dam on the Snake River, Idaho, USA. In contrast to the downstream river segment, the upstream river segment is long and has areas that are suitable for spawning during normal and wet hydrologic conditions. We evaluated demographic and genetic consequences of upstream and downstream passage using different model assumptions about trashrack spacing and density-dependent
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"Nutrients in Salmonid Ecosystems: Sustaining Production and Biodiversity." In Nutrients in Salmonid Ecosystems: Sustaining Production and Biodiversity, edited by Thomas C. O’Keefe and Rick T. Edwards. American Fisheries Society, 2003. http://dx.doi.org/10.47886/9781888569445.ch8.

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<em>Abstract.</em>—Evidence for the importance of marine-derived nutrient (MDN) inputs from spawning salmon to terrestrial and freshwater ecosystems is rapidly accumulating, but the mechanisms by which MDN inputs are transferred and stored within spawning streams and their catchments are poorly understood. Presumed marine isotope signals have been found in riparian vegetation, suggesting that marine nutrients may impact terrestrial plant communities. Studies have suggested that MDN increases stream productivity both immediately after spawning and during the following spring. The pe
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"Fishery Resources, Environment, and Conservation in the Mississippi and Yangtze (Changjiang) River Basins." In Fishery Resources, Environment, and Conservation in the Mississippi and Yangtze (Changjiang) River Basins, edited by Jing Yuan, Yuguo Xia, Zhongjie Li, Zhan Yin, and Jiashou Liu. American Fisheries Society, 2016. http://dx.doi.org/10.47886/9781934874448.ch10.

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<em>Abstract</em>.—The Hanjiang River is the largest tributary of the Yangtze River and contains Danjiangkou Dam, which forms Danjiangkou Reservoir in the middle and upper reaches of the river. During the past 50 years, fisheries resources have changed significantly in the middle and lower Hanjiang River and in Danjiangkou Reservoir. Spawning grounds for major carps and other commercially important fishes have disappeared. Downstream of Danjiangkou Dam, total egg quantity spawned by major carps and other commercially im portant fishes have decreased while similar measures from smal
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"Paddlefish Management, Propagation, and Conservation in the 21st Century." In Paddlefish Management, Propagation, and Conservation in the 21st Century, edited by MAURICE F. METTEE, PATRICK E. O’NEIL, and STEVEN J. RIDER. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874127.ch5.

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<em>Abstract</em>.—This paper describes the movements of 102 sonic tagged paddlefish released in the Alabama River from 2001 to 2005 and 10 sonic fish released in Mobile Bay in 2006, evaluates possible spawning site fidelity at Millers Ferry Lock and Dam, and presents fisheries, river discharge, and lock use data in support of our recommendation to implement January through April fish passage operations at two locks and dams in the Alabama River. Fifty-seven paddlefish released in the Alabama River remained between Millers Ferry and Claiborne locks and dams. Thirty-four fish moved
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"Challenges for Diadromous Fishes in a Dynamic Global Environment." In Challenges for Diadromous Fishes in a Dynamic Global Environment, edited by Timothy D. Jardine, Jean-Marc Roussel, Sean C. Mitchell, and Richard A. Cunjak. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874080.ch27.

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<em>Abstract</em>.—We used stable isotope analysis in an attempt to detect marine subsidies from anadromous fish to freshwater benthos in four river systems draining to the Atlantic Ocean. Benthic invertebrates in the West River, Nova Scotia, Canada, had elevated d<sup>13</sup>C, d<sup>15</sup>N, and d<sup>34</sup>S values in a downstream reach that suggested consumption of marine-derived organic matter from spawning blueback herring <em>Alosa aestivalis</em>. In Doctor’s Brook, Nova Scotia, the arrival of rainbow smelt <em>Osme
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"Black Bass Diversity: Multidisciplinary Science for Conservation." In Black Bass Diversity: Multidisciplinary Science for Conservation, edited by Steven M. Sammons and Laurie A. Earley. American Fisheries Society, 2015. http://dx.doi.org/10.47886/9781934874400.ch22.

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<em>Abstract</em>.—Movement and habitat use of Shoal Bass <em>Micropterus cataractae</em> were evaluated in the flow-regulated Chattahoochee River, Alabama–Georgia. Forty Shoal Bass were tracked using radio tags in a 2-km section of river between two impoundments. Movement of Shoal Bass in this population was low, and most fish never left the reach of river where shoal habitat existed. A few fish migrated approximately 10 km up a tributary stream during the spring to reach a large shoal complex, presumably to spawn. No fish were found in the downstream impoundment or as
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"Early Life History of Fishes in the San Francisco Estuary and Watershed." In Early Life History of Fishes in the San Francisco Estuary and Watershed, edited by Andrew K. Rockriver. American Fisheries Society, 2004. http://dx.doi.org/10.47886/9781888569599.ch7.

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<em>Abstract.</em>—The goal of this study was to determine if the vertical distribution of larval delta smelt <em>Hypomesus transpacificus </em>and striped bass <em>Morone saxatilis </em>was affected by tidal stage and diel period. Delta smelt and striped bass have similar early life histories in that their larvae drift downstream from freshwater spawning habitats to brackish water rearing habitats. Little is known on whether the larvae undergo a vertical migration as they move downstream. Conical plankton nets were used to collect larval fishes from the sur
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"Island in the Stream: Oceanography and Fisheries of the Charleston Bump." In Island in the Stream: Oceanography and Fisheries of the Charleston Bump, edited by John J. Govoni and Jonathan A. Hare. American Fisheries Society, 2001. http://dx.doi.org/10.47886/9781888569230.ch7.

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<em> Abstract.</em>—The region of the outer continental shelf and upper slope, encompassed roughly by 32 and 33°N and 78 and 79°W, is unique within the southeastern Atlantic coast of the United States because of the frequent presence of large (amplitudes of 50-100 km), cyclonic eddies. These eddies develop continuously north of the deflection of the Gulf Stream at the Charleston Bump and decay downstream. The cyclonic circulation of these eddies brings nutrient-rich water from deep and off the shelf edge to near surface and results in enhanced primary production. Succession of Zoop
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"Muskellunge Management: Fifty Years of Cooperation Among Anglers, Scientists, and Fisheries Biologists." In Muskellunge Management: Fifty Years of Cooperation Among Anglers, Scientists, and Fisheries Biologists, edited by Steven J. Kerr and Brandon Jones. American Fisheries Society, 2017. http://dx.doi.org/10.47886/9781934874462.ch4.

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<em>Abstract</em>.—We report on results of a Muskellunge <em>Esox masquinongy </em>tagging project, which was conducted on the Saint John River, New Brunswick, from 2006 to 2015 (inclusive). During that period of time, 691 Muskellunge were angled, tagged, and released by members of the Saint John River Chapter of Muskies Canada Inc. By the end of the 2015 angling season, a total of 64 (9.3%) tagged Muskellunge had been recaptured by angling. An additional four tagged fish were captured at the Mactaquac Dam fishway. Most Muskellunge were observed to establish discrete su
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Conference papers on the topic "Downstream spawning"

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Miki, Koki, Shigeru Tabeta, and Katsunori Mizuno. "Numerical Simulations for Impacts of Offshore Wind Power Facilities on Currents and Water Quality." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-78999.

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Abstract When selecting a suitable site for offshore wind farm, the impact on the marine environment is one of the most important issues. However, in most cases of the suitable sites selection, the distances from protected areas, spawning and wintering grounds of marine creatures are taken into account as environmental indicators, and there are few which explicitly consider the impact of the offshore windfarm on marine ecosystem including current field and water quality which could be affected by the construction of offshore power plants. In this study, the impacts of offshore wind farms on th
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BEILICCI, Robert Florin, and Erika Beata Maria BEILICCI. ""Advance Hydraulic Calculation of Fish Ladders, Sebesel River, Romania."." In Air and Water – Components of the Environment 2022 Conference Proceedings. Casa Cărţii de Ştiinţă, 2022. http://dx.doi.org/10.24193/awc2022_06.

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Sebesel 2 hydropower development is located on the Sebesel river, in the outskirts of Borlova, Caraș - Severin County. The realization of the fish ladder will not influence the flow regime of surface or groundwater in the neighboring area. The fish ladder is dimensioned to allow the migration of the ichthyofauna upstream during the spawning period and the partial transit of the alluviums as well as the downstream provision of a servitude flow Q = 0.066 mc / s. The Sebeșel 2 hydroelectric power plant is a hydropower arrangement by shunt without accumulation lake. The plant has 2 (two) power gro
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Reports on the topic "Downstream spawning"

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Corum, Zachary, Ethan Cheng, Stanford Gibson, and Travis Dahl. Optimization of reach-scale gravel nourishment on the Green River below Howard Hanson Dam, King County, Washington. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/43887.

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The US Army Corps of Engineers, Seattle District, nourishes gravel downstream of Howard Hanson Dam (HHD) on the Green River in Washington State. The study team developed numerical models to support the ongoing salmonid habitat improvement mission downstream of HHD. Recent advancements in computing and numerical modeling software make long-term simulations in steep, gravel, cobble, and boulder river environments cost effective. The team calibrated mobile-bed, sediment-transport models for the pre-dam and post-dam periods. The modeling explored geomorphic responses to flow and sediment regime ch
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