Jennifer A. Curtis - Research Geologist - California Water Science Center
Jenny Curtis is a geomorphologist and her research focuses on climate and human impacts in rivers and estuaries. Her expertise spans a broad spectrum of topics: streamflow, floods, and drought; groundwater and surface water interactions; fluvial sediment transport and sediment budgets; sediment source analysis including sediment fingerprinting; and the effects of water management, land use, and climate change.
Science and Products
Klamath Dam Removal Studies
Following the removal of four dams along the Klamath River, more naturally dynamic flow conditions may result in novel water quality, sediment transport, and geomorphic conditions leading to temporary or longer-term ecological impacts. USGS continuous and discrete monitoring data on aspects related to sediment and geomorphic conditions will be integral to post-dam removal assessments and...
The influence of geomorphology on sediment accretion and soil carbon development in a restored tidal wetland, White Slough, Humboldt Bay National Refuge, CA
Coastal vegetated habitats, such as tidal wetlands, play an active role in the global carbon cycle. This is done through the removal of CO2 by living vegetation through photosynthesis and by the decay of organic matter and its burial for hundreds to thousands of years.
Improving Water Resilience and Availability Through Cultural Prescribed Fire as a Management Tool on Yurok Tribal Lands
Climate Change is making our environment unpredictable. Increased persistence of drought is causing deaths of plants and animals across our landscapes. However, drought amongst the western United States is not a new thing. Native American populations have been living with drought since time immemorial and practiced culturally prescribed fire practices to foster the landscape for an environment tha
Scotts Creek Nutrient Erosion Study, Lake County, California
Clear Lake, the largest natural lake entirely within California, has a severe problem with harmful algal blooms which can be detrimental to aquatic life by depriving it of oxygen when the algae dies, sinks, and decays. A driving factor of these conditions are the nutrient loads being carried into the lake by soil erosion and the transport of sediment from the lake’s tributaries. Recently, an...
Channel Complexity Synthesis - Trinity River Restoration Program
The Trinity River Restoration Program implements the Department of Interior directive to restore the fisheries of the Trinity River impacted by dam construction and related diversions. The multi-agency program is one of the nation’s largest adaptively managed river restoration efforts and requires periodic assessment to determine its effectiveness in restoring channel dynamics and habitat features...
Sediment Mobility and Riparian Corridor Assessment, Klamath River, CA
The Klamath River is the third largest river flowing into the Pacific Ocean from the continental U.S. The headwaters of the Klamath are located in the Cascade Range in southeastern Oregon and the river flows through northern California to its estuary. Beginning in the 1860s, the flow and water quality of the Klamath started to change due to the building of dams and other water diversions for...
Examining Erosion at Malakoff Diggins State Historic Park, a Sierra Nevada Gold Mine
Located in Nevada County, California, Malakoff Diggins State Historic Park was the Sierra Nevada’s largest hydraulic gold mine, operating from 1866 to 1884. Historically, part of the process of hydraulic mining included using mercury to extract gold from produced sediment through the process of amalgamation. This process left thousands of pounds of mercury and other heavy metals in the area...
Impact of Climate Change on Future Suitability of the Sierra Nevada for Wolverines
The endeavor to ensure a viable population of the threatened wolverine to the mountains of California requires the characterization of suitable habitat.
Sedimentation in the Lower Laguna-Mark West Drainage
The Sonoma County Water Agency (SCWA) and the San Francisco District office of the U.S. Army Corps of Engineers (CORPS) have identified issues associated with sedimentation in the lower Laguna de Santa Rosa and Mark West Creek in Sonoma County. Human activities in the watershed over the last 200 years have accelerated erosion and sediment delivery to the Laguna reducing the water storage capacity...
Sediment supply, salt marsh monitoring, and the carbon budget of Humboldt Bay, CA
Suspended-sediment measurements are essential for coastal planning, resource management, and for assessing the sustainability of salt marshes in relation to expected sea-level rise. Suspended sediment can have positive or negative effects, depending on its characteristics and amount, and on the location and ecosystem services of interest. Sediment deposition in salt marshes helps sustain marsh...
Assessing Geomorphic Change in Support of Science-Based Restoration, Trinity River, CA
Historic landuse, dam construction, water storage and flow diversion within the Trinity River watershed resulted in downstream geomorphic changes that simplified the river planform and lead to dramatic losses of salmonid habitat and significant population declines. The Trinity River Restoration Program (TRRP) requested the USGS complete an assessment of geomorphic change that could be used to...
Science and Products
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Klamath Dam Removal Studies
Following the removal of four dams along the Klamath River, more naturally dynamic flow conditions may result in novel water quality, sediment transport, and geomorphic conditions leading to temporary or longer-term ecological impacts. USGS continuous and discrete monitoring data on aspects related to sediment and geomorphic conditions will be integral to post-dam removal assessments and...The influence of geomorphology on sediment accretion and soil carbon development in a restored tidal wetland, White Slough, Humboldt Bay National Refuge, CA
Coastal vegetated habitats, such as tidal wetlands, play an active role in the global carbon cycle. This is done through the removal of CO2 by living vegetation through photosynthesis and by the decay of organic matter and its burial for hundreds to thousands of years.Improving Water Resilience and Availability Through Cultural Prescribed Fire as a Management Tool on Yurok Tribal Lands
Climate Change is making our environment unpredictable. Increased persistence of drought is causing deaths of plants and animals across our landscapes. However, drought amongst the western United States is not a new thing. Native American populations have been living with drought since time immemorial and practiced culturally prescribed fire practices to foster the landscape for an environment thaScotts Creek Nutrient Erosion Study, Lake County, California
Clear Lake, the largest natural lake entirely within California, has a severe problem with harmful algal blooms which can be detrimental to aquatic life by depriving it of oxygen when the algae dies, sinks, and decays. A driving factor of these conditions are the nutrient loads being carried into the lake by soil erosion and the transport of sediment from the lake’s tributaries. Recently, an...Channel Complexity Synthesis - Trinity River Restoration Program
The Trinity River Restoration Program implements the Department of Interior directive to restore the fisheries of the Trinity River impacted by dam construction and related diversions. The multi-agency program is one of the nation’s largest adaptively managed river restoration efforts and requires periodic assessment to determine its effectiveness in restoring channel dynamics and habitat features...Sediment Mobility and Riparian Corridor Assessment, Klamath River, CA
The Klamath River is the third largest river flowing into the Pacific Ocean from the continental U.S. The headwaters of the Klamath are located in the Cascade Range in southeastern Oregon and the river flows through northern California to its estuary. Beginning in the 1860s, the flow and water quality of the Klamath started to change due to the building of dams and other water diversions for...Examining Erosion at Malakoff Diggins State Historic Park, a Sierra Nevada Gold Mine
Located in Nevada County, California, Malakoff Diggins State Historic Park was the Sierra Nevada’s largest hydraulic gold mine, operating from 1866 to 1884. Historically, part of the process of hydraulic mining included using mercury to extract gold from produced sediment through the process of amalgamation. This process left thousands of pounds of mercury and other heavy metals in the area...Impact of Climate Change on Future Suitability of the Sierra Nevada for Wolverines
The endeavor to ensure a viable population of the threatened wolverine to the mountains of California requires the characterization of suitable habitat.Sedimentation in the Lower Laguna-Mark West Drainage
The Sonoma County Water Agency (SCWA) and the San Francisco District office of the U.S. Army Corps of Engineers (CORPS) have identified issues associated with sedimentation in the lower Laguna de Santa Rosa and Mark West Creek in Sonoma County. Human activities in the watershed over the last 200 years have accelerated erosion and sediment delivery to the Laguna reducing the water storage capacity...Sediment supply, salt marsh monitoring, and the carbon budget of Humboldt Bay, CA
Suspended-sediment measurements are essential for coastal planning, resource management, and for assessing the sustainability of salt marshes in relation to expected sea-level rise. Suspended sediment can have positive or negative effects, depending on its characteristics and amount, and on the location and ecosystem services of interest. Sediment deposition in salt marshes helps sustain marsh...Assessing Geomorphic Change in Support of Science-Based Restoration, Trinity River, CA
Historic landuse, dam construction, water storage and flow diversion within the Trinity River watershed resulted in downstream geomorphic changes that simplified the river planform and lead to dramatic losses of salmonid habitat and significant population declines. The Trinity River Restoration Program (TRRP) requested the USGS complete an assessment of geomorphic change that could be used to... - Data
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