Found 31 datasets matching filters.
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The Pilchuck Dam, a low-head dam previously used for water-supply diversion in Snohomish County, Washington was removed from the Pilchuck River in the summer of 2020 after having blocked upstream...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-03 -
Removal of two large dams from the Elwha River, Washington USA, in 2011-2014 released ~20.5 metric tons (Mt) of impounded sediment, ~5.4 Mt of which was deposited in the river delta and estuary....
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
The dataset includes daily counts of the number of independent photo detections from camera traps for 15 mammal species. The camera traps were placed in three study reaches of the Elwha River,...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
Small, surface-release dams can impair natural stream connectivity by disrupting the flow of water, sediment, nutrients, and biota. Many dams built during the 19th and 20th centuries have exceeded...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
The U.S. Geological Survey, in collaboration with American Rivers and other partners, conducted a monitoring program beginning in 2010 to track river response to a series of dam removals on the...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Estuary geomorphic units delineated at a scale of 1:1500 using a combination of (a) 26 August 2013 0.15 meter resolution NPS Elwha PlaneCam aerial imagery; and (b) elevation-colored and hillshaded...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This project monitors ecosystem response to dam removals on the Elwha River, Washington State. The Elwha Dam removal project is the largest project of its kind in the world and is the largest...
Search relevance: 1.00 | Views last month: 1 | Published on: 2025-12-20 -
This portion of the data release presents riparian plant species abundance (percent cover) data from plots sampled in the Elwha River estuary, Washington, in 2007 and 2014. In August 2007, we...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
The U.S. Geological Survey is monitoring metal concentrations in streambed sediment pre- and post-dam removal in the lower Klamath River basin. Concentrations of aluminum, arsenic, cadmium,...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Small, surface-release dams can impair natural stream connectivity by disrupting the flow of water, sediment, nutrients, and biota. Many dams built during the 19th and 20th centuries have exceeded...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Estuary geomorphic units delineated at a scale of 1:1500 using a combination of (a) 28 August 2014 0.15 meter resolution NPS Elwha PlaneCam aerial imagery; and (b) elevation-colored and hillshaded...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
The data release presents observations of riparian vegetation, topography, soil characteristics, and ground cover in three river segments located above, below, and between the former Glines Canyon...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Estuary geomorphic units delineated at a scale of 1:1500 using a combination of (a) 03 September 2011* 0.3 meter resolution Microsoft/Digital Globe aerial imagery; and (b) elevation-colored and...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Small, surface-release dams are ubiquitous across the U.S. and have the potential to alter stream flow, impede sediment and nutrient transport, and fragment biotic assemblages. To mitigate these...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Data includes fish abundance and habitat data collected at ten sites in the Sandusky River, OH. Fish were collected using two 3.67 m long hoop nets with an initial hoop diameter of 0.91 m. Nets...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Estuary vegetation cover delineated from 26 August 2013 0.15-meter-resolution NPS Elwha PlaneCam aerial imagery at a scale of 1:1500.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Dam removal and other fish-barrier removal projects in western North America are assumed to boost freshwater productivity via the transport of marine-derived nutrients from recolonizing Pacific...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-12-20 -
Estuary vegetation cover delineated from 28 August 2014 0.15-meter-resolution NPS Elwha PlaneCam aerial imagery at a scale of 1:1500.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This data release includes a file geodatabase with land cover maps for a 313-kilometer segment along the mainstem Klamath River corridor downstream from Iron Gate Dam, CA. The maps were derived...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Estuary vegetation cover delineated from 3 September 2011* 0.3-meter-resolution aerial imagery (Microsoft/Digital Globe) at a scale of 1:1500. *Image date of 3-Sep corrected in metadata. During...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03
