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Biological (Elwha River Dam Removal Study)
This study examines the ecosystem response of the Elwha River to the removal of the Elwha River dams. We will measure the following attributes of ecosystem response: Biological... -
Temperature and light (Elwha River salmon carcass addition experiment)
Experimental field study conducted on the Elwha River to test foodweb effects of adding coho salmon carcasses to side channels of the lower and middle river. Study was initiated... -
Vegetation habitat units derived from 2013 aerial imagery and field data for ...
Estuary vegetation cover delineated from 26 August 2013 0.15-meter-resolution NPS Elwha PlaneCam aerial imagery at a scale of 1:1500. -
Characterization of seafloor photographs near the mouth of the Elwha River du...
We characterized seafloor sediment conditions near the mouth of the Elwha River from underwater photographs taken every four hours from September 2011 to December 2013. A... -
Geomorphic habitat units derived from 2013 aerial imagery and elevation data ...
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-... -
Biological (Elwha River Dam Removal Study)
This study examines the ecosystem response of the Elwha River to the removal of the Elwha River dams. We will measure the following attributes of ecosystem response: Biological... -
Environmental DNA (eDNA) is an Effective Tool to Track Recolonizing Migratory...
We collected environmental DNA (eDNA) data from the Elwha River, home to the world’s largest dam removal project, to track the spatial and temporal patterns of species responses... -
Chemical (Elwha River Dam Removal Study)
This study examines the ecosystem response of the Elwha River to the removal of the Elwha River dams. We will measure the following attributes of ecosystem response: Biological... -
Vegetation habitat units derived from 2011 aerial imagery and field data for ...
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... -
Vegetation habitat units derived from 2009 aerial imagery and field data for ...
Estuary vegetation cover delineated from 11 September 2009 1-meter-resolution NAIP aerial imagery at a scale of 1:1500. -
Vegetation habitat units derived from 2009 aerial imagery and field data for ...
Estuary vegetation cover delineated from 11 September 2009 1-meter-resolution NAIP aerial imagery at a scale of 1:1500. -
Nutrients (Elwha River salmon carcass addition experiment)
Experimental field study conducted on the Elwha River to test foodweb effects of adding coho salmon carcass to side channels of the lower and middle river. Study was initiated... -
Nutrients (Elwha River salmon carcass addition experiment)
Experimental field study conducted on the Elwha River to test foodweb effects of adding coho salmon carcass to side channels of the lower and middle river. Study was initiated... -
Geomorphic habitat units derived from 2012 aerial imagery and elevation data ...
Estuary geomorphic units delineated at a scale of 1:1500 using a combination of (a) 30 August 2012 0.15 meter resolution NPS Elwha PlaneCam aerial imagery; and (b) elevation-... -
Geomorphic Monitoring Associated with the August, 2020, Pilchuck Dam Removal
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... -
Data for Specific Gage Analyses on the Patapsco River, 2010-2017
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... -
Baseline High Resolution Land Cover Map for the Mainstem Klamath River Corrid...
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... -
Riparian vegetation species richness in the Elwha River estuary, Washington, ...
This portion of the data release presents riparian plant species richness (number of unique taxa) data from plots sampled in the Elwha River estuary, Washington, in 2007 and... -
Geomorphic habitat units derived from 2013 aerial imagery and elevation data ...
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-... -
Metal concentrations in streambed sediment in the lower Klamath River basin, ...
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,...