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Streamflow

About: Streamflow is a research topic. Over the lifetime, 14338 publications have been published within this topic receiving 433445 citations.


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Journal ArticleDOI
TL;DR: In this article, the authors used three land cover change coupled scenarios to estimate the changes in streamflow metrics in the Clackamas River Watershed in Oregon for the 2050s (2040-2069) and the 2080s(2070-2099).
Abstract: To understand the spatial–temporal pattern of climate and land cover (CLC) change effects on hydrology, we used three land cover change (LCC) coupled scenarios to estimate the changes in streamflow metrics in the Clackamas River Watershed in Oregon for the 2050s (2040–2069) and the 2080s (2070–2099). Coupled scenarios, which were split into individual and combined simulations such as climate change (CC), LCC, CLC change, and daily streamflow were simulated in the Soil and Water Assessment Tool. The interannual variability of streamflow was higher in the lower urbanized area than the upper forested region. The watershed runoff was projected to be more sensitive to CC than LCC. Under the CLC scenario, the top 10% peak flow and the 7-day low flow are expected to increase (2–19%) and decrease (+9 to −20 cm s), respectively, in both future periods. The center timing of runoff in the year is projected to shift 2–3 weeks earlier in response to warming temperature and more winter precipitation falling as rain. High streamflow variability in our findings suggests that uncertainties can stem from both climate models and hydrologic model parameters, calling for more adaptive water resource management in the watershed.

5 citations

Journal ArticleDOI
TL;DR: In this article, the effects of long-term land cover change on hydrological processes in the Mica Creek Experimental Watershed (MCEW) in northern Idaho, USA were evaluated from 1991 to 2013.

5 citations

Journal ArticleDOI
TL;DR: It is shown useful seasonal deterministic and probabilistic prediction skill of streamflow and nutrient loading over watersheds in the Southeastern United States (SEUS) for the winter and spring seasons and the importance of bias correction in climate product for hydrological application is emphasis.
Abstract: We show useful seasonal deterministic and probabilistic prediction skill of streamflow and nutrient loading over watersheds in the Southeastern United States (SEUS) for the winter and spring seasons. The study accounts for forecast uncertainties stemming from the meteorological forcing and hydrological model uncertainty. Multi-model estimation from three hydrological models, each forced with an ensemble of forcing derived by matching observed analogues of forecasted quartile rainfall anomalies from a seasonal climate forecast is used. The attained useful hydrological prediction skill is despite the climate model overestimating rainfall by over 23% over these SEUS watersheds in December-May period. The prediction skill in the month of April and May is deteriorated as compared to the period from December-March (zero lead forecast). A nutrient streamflow rating curve is developed using a log linear tool for this purpose. The skill in the prediction of seasonal nutrient loading is identical to the skill of seasonal streamflow forecast. We present ensemble hydrological forecasting method that accounts for the uncertainty in hydrological models.We evaluate the skill of seasonal hydrological and water quality prediction using both deterministic and probabilistic skill scores.The study emphasis the importance of bias correction in climate product for hydrological application.

5 citations

01 Jan 1987
TL;DR: In this paper, the authors used USGS measurements from the Middle Fork and Salt Fork of the Vermilion River in Illinois to evaluate hydraulic geometry relations for both basins, and combined these relations with probabilistic distributions for depth and velocity to form flow models for the two basins.
Abstract: Protecting the ecological integrity of streams and rivers is a key factor in proper management of Illinois water resources. Land use, water withdrawals, streamflow regulation, drainage modifications, and the discharge of effluents all have a significant and generally detrimental impact on the biological integrity of streams and rivers. Avoiding adverse impacts while continuing to serve increasing societal water needs requires an understanding of the factors that influence the quality of the aquatic habitat. The basins of the Middle Fork and Salt Fork of the Vermilion River in Illinois share the same history of glaciation and are hydrologically homogeneous. However, activities such as extensive stream channel modifications and urban development have significantly altered physical and hydrologic conditions in the Salt Fork Basin. These two basins provide a unique setting for studying differences in aquatic habitat quality. The physical characteristics, geomorphology, and hydrology of both basins are discussed. Data from USGS measurements are used to evaluate hydraulic geometry relations for both basins. A field study was conducted to gather information on the distributions of local depths and velocities in the basin streams as well as on substrate types and disolved oxygen concentrations. Hydraulic geometry relations were combined with probabilistic distributions for depth and velocity to form flow models for both basins. These models are used to simulate flow hydraulics for streams throughout the basins. The flow simulations provide the information on local depths and velocities needed to evaluate the suitability of the stream aquatic habitat with the incremental methodology developed by the Instream Flow Group of the U.S. Fish and Wildlife Service. Habitat response curves are presented for two fish species for both basins. Singh, Krishan P.; Broeren, Sally McConkey; King, Robin B.; and Pubentz, Michael L. BASINWIDE FLOW AND AQUATIC HABITAT ASSESSMENT MODEL FOR THE MIDDLE FORK AND SALT FORK OF THE VERMILION RIVER, WABASH BASIN--Project Completion Report to the Energy and Environmental Affairs Division, Illinois Department of Energy and Natural Resources, August 1987, Champaign, Illinois, 110 p. KEYWORDS--instream flow/ aquatic habitats/ stream fisheries/ channel morphology/ physical models/ simulation/ habitat suitability/ incremental methodology/ hydraulic geometry

5 citations

ReportDOI
TL;DR: In this article, the authors propose a method to solve the problem of "uniformity" and "uncertainty" in the context of health care, and propose a solution.
Abstract: ................................................................................................................................^^

5 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20231,218
20222,086
2021863
2020849
2019806
2018737