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Climate Change and Water Resources

Consideration of potential climate change effects on water resources is regularly integrated into many of our investigations, particularly those focused on water availability and use and hydrologic hazards. We often use our hydrology computer models to simulate the potential effects of climate change, and integrate those effects with those from other stressors such as land-use change or population growth to help our partners plan resilient water supply and hazard reduction strategies.

Filter Total Items: 12

Analysis of USGS Surface Water Monitoring Networks

The issue: National interests in water information are important but challenging to incorporate into planning and operation of a monitoring network driven by local information needs. These interests include an understanding of the spatial variability in water availability across the United States, anthro-physical factors including climate and land use that affect water availability, and federal...
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Analysis of USGS Surface Water Monitoring Networks

The issue: National interests in water information are important but challenging to incorporate into planning and operation of a monitoring network driven by local information needs. These interests include an understanding of the spatial variability in water availability across the United States, anthro-physical factors including climate and land use that affect water availability, and federal...
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Water Temperature Mapping in the Snoqualmie and Skykomish River Basins

Over the past two decades water temperatures in the Snoqualmie and Skykomish River basins has frequently exceeded temperature criteria established to protect Endangered Species Act-listed Chinook salmon, steelhead trout, and bull trout. These rivers combine in Monroe, WA to form the Snohomish River, the second largest producer of Chinook salmon in Puget Sound. The effects of high water...
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Water Temperature Mapping in the Snoqualmie and Skykomish River Basins

Over the past two decades water temperatures in the Snoqualmie and Skykomish River basins has frequently exceeded temperature criteria established to protect Endangered Species Act-listed Chinook salmon, steelhead trout, and bull trout. These rivers combine in Monroe, WA to form the Snohomish River, the second largest producer of Chinook salmon in Puget Sound. The effects of high water...
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Assess the utility of a regional aquifer system groundwater model to inform the USGS National Hydrologic Model

The Issue: In Washington State, groundwater (GW) inflow to streams, or baseflow, is essential for maintaining aquatic habitats, and for out-of-stream uses such as irrigated agriculture during the typically dry summers. However, the National Hydrologic Model (NHM) currently is most suited to predicting total daily streamflow. This project aims to assess the NHM’s performance in simulating baseflow...
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Assess the utility of a regional aquifer system groundwater model to inform the USGS National Hydrologic Model

The Issue: In Washington State, groundwater (GW) inflow to streams, or baseflow, is essential for maintaining aquatic habitats, and for out-of-stream uses such as irrigated agriculture during the typically dry summers. However, the National Hydrologic Model (NHM) currently is most suited to predicting total daily streamflow. This project aims to assess the NHM’s performance in simulating baseflow...
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Southeast Sound Groundwater Flow Model

The Issue: Groundwater is an important resource for domestic, commercial, and industrial usage in the Puyallup River and Chambers-Clover Creek Watersheds, and groundwater discharge helps maintain late-summer and early-fall streamflow (baseflow) in many area streams. Consequently, as the population grows, and commercial and industrial activity increase, so does the demand for groundwater. However...
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Southeast Sound Groundwater Flow Model

The Issue: Groundwater is an important resource for domestic, commercial, and industrial usage in the Puyallup River and Chambers-Clover Creek Watersheds, and groundwater discharge helps maintain late-summer and early-fall streamflow (baseflow) in many area streams. Consequently, as the population grows, and commercial and industrial activity increase, so does the demand for groundwater. However...
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Sauk River Sediment

Fine-grained sediments in the lower reach of the Sauk River are adversely affecting the health and spawning of Chinook salmon. Climate change and forestry practices have been proposed as suspected causes of a reported increase in sediment loading to the river.To determine the amount and timing of suspended-sediment loading to the river and possible connections to adverse effects on Chinook salmon...
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Sauk River Sediment

Fine-grained sediments in the lower reach of the Sauk River are adversely affecting the health and spawning of Chinook salmon. Climate change and forestry practices have been proposed as suspected causes of a reported increase in sediment loading to the river.To determine the amount and timing of suspended-sediment loading to the river and possible connections to adverse effects on Chinook salmon...
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Water use

The Issue: Comprehensive water-use data and analysis of water-use information are needed to quantify the stress on existing supplies and to better model and evaluate possible water-supply management options to supplement traditional water-supply approaches. Advances have been made in the ability to control, divert, and develop water, but little attention has been paid to keeping accurate accounts...
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Water use

The Issue: Comprehensive water-use data and analysis of water-use information are needed to quantify the stress on existing supplies and to better model and evaluate possible water-supply management options to supplement traditional water-supply approaches. Advances have been made in the ability to control, divert, and develop water, but little attention has been paid to keeping accurate accounts...
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Glaciers and Snowpack

Glaciers, snow, and ice sheets are important components of the Earth's water and climate. They respond to and indicate changes in climate, as well as exerting an influence on global and regional climate. They also have an effect on water resources, serving as natural reservoirs. Measuring changes in the size and volume of glaciers and snowpacks provides one direct way of knowing what kind of...
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Glaciers and Snowpack

Glaciers, snow, and ice sheets are important components of the Earth's water and climate. They respond to and indicate changes in climate, as well as exerting an influence on global and regional climate. They also have an effect on water resources, serving as natural reservoirs. Measuring changes in the size and volume of glaciers and snowpacks provides one direct way of knowing what kind of...
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Recharge and frozen ground in the PNW

The Issue: Seasonally frozen ground occurs over approximately one-third of the contiguous United States, and the extent and duration of frozen ground have been decreasing as a result of global warming. In semi-arid regions such as the Columbia Plateau and Snake River Plain in the Pacific Northwest, nearly all natural recharge occurs between October and March when intermittent or seasonal frozen...
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Recharge and frozen ground in the PNW

The Issue: Seasonally frozen ground occurs over approximately one-third of the contiguous United States, and the extent and duration of frozen ground have been decreasing as a result of global warming. In semi-arid regions such as the Columbia Plateau and Snake River Plain in the Pacific Northwest, nearly all natural recharge occurs between October and March when intermittent or seasonal frozen...
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White River Basin and Lake Tapps Water Quality

The Issue: Water diverted from the upper White River to maintain water levels in Lake Tapps impacts flows and fish resources in the White River. In the lower White River, releases of warm water from Lake Tapps for hydropower generation frequently lowered concentrations of dissolved oxygen and increased water temperatures at river mile 1.8. In the White River diversion reach, has segments that are...
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White River Basin and Lake Tapps Water Quality

The Issue: Water diverted from the upper White River to maintain water levels in Lake Tapps impacts flows and fish resources in the White River. In the lower White River, releases of warm water from Lake Tapps for hydropower generation frequently lowered concentrations of dissolved oxygen and increased water temperatures at river mile 1.8. In the White River diversion reach, has segments that are...
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PNW Tribal Water Resources Assessment

Native American Tribes in western Washington need comprehensive water data in order to protect, restore, and manage their water resources. To understand the factors affecting water quality and quantity on a regional scale, the data must be collected and managed through a systematic, coordinated approach.To help the Northwest Indian Fisheries Commission (NWIFC) to design a coordinated scientific...
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PNW Tribal Water Resources Assessment

Native American Tribes in western Washington need comprehensive water data in order to protect, restore, and manage their water resources. To understand the factors affecting water quality and quantity on a regional scale, the data must be collected and managed through a systematic, coordinated approach.To help the Northwest Indian Fisheries Commission (NWIFC) to design a coordinated scientific...
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Water Resources of the Tulalip Indian Reservation

Future increases in population and development of the Tulalip Indian Reservation and neighboring areas would lead to increased pumping of ground water both on and off the Reservation. Increased pumpage in coastal and inland wells may decrease baseflows of streams and could affect fish-rearing operations in the Tulalip Creek watershed.
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Water Resources of the Tulalip Indian Reservation

Future increases in population and development of the Tulalip Indian Reservation and neighboring areas would lead to increased pumping of ground water both on and off the Reservation. Increased pumpage in coastal and inland wells may decrease baseflows of streams and could affect fish-rearing operations in the Tulalip Creek watershed.
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Yakima Watershed and River Systems Management Program

Competition among water-resource users in many basins in the western United States has resulted in a need for near-real-time assessments of water availability and use. The Watershed and River System Management Program (WARSMP) is a collaborative program between the USGS and the U.S. Bureau of Reclamation (USBR) to couple watershed and river-reach models that simulate the physical hydrologic...
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Yakima Watershed and River Systems Management Program

Competition among water-resource users in many basins in the western United States has resulted in a need for near-real-time assessments of water availability and use. The Watershed and River System Management Program (WARSMP) is a collaborative program between the USGS and the U.S. Bureau of Reclamation (USBR) to couple watershed and river-reach models that simulate the physical hydrologic...
Learn More