209 datasets found
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Federal
Geomorphic habitat units derived from 2014 aerial imagery and elevation data for the Elwha River estuary, Washington
Department of the Interior —
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)... -
Federal
Suspended sediment concentration data in the Elwha River, Washington, September 2011 to September 2016
Department of the Interior —
This data release provides 15-minute data of suspended-sediment concentration and fine (less than 0.0625 mm) suspended-sediment concentration during the removal of 2... -
Federal
Sediment grain size in the Elwha River estuary, Washington, from 2013 and 2014.
Department of the Interior —
This portion of the data release presents sediment grain-size data from samples collected in the Elwha River estuary, Washington, in July 2013 and June 2014 (USGS... -
Federal
Topography data from the Elwha River delta, Washington, August 2022
Department of the Interior —
This part of the data release presents topography data from the Elwha River delta collected in August 2022. Topography data were collected on foot with global... -
Federal
Fish abundance in the Elwha River estuary, Washington, from 2006 to 2014
Department of the Interior —
This portion of the data release presents fish abundance data from samples collected in the Elwha River estuary, Washington, in 2006, 2007, 2013, and 2014 (no... -
Federal
Nearshore bathymetry data from the Elwha River delta, Washington, September 2014, collected from personal watercraft
Department of the Interior —
This part of the data release presents bathymetry data from the Elwha River delta collected in September 2014 using two personal watercraft (PWCs). The PWCs were... -
Federal
Inventory of Fish Species in the Bogachiel, Dosewallips, and Quinault River Basins, Olympic National Park, Washington tabular data
Department of the Interior —
Fish species inventory tabular data for Olympic National Park, 2002-2003. This fish inventory represents a thorough, yet incomplete representation of composition and... -
Federal
Elwha PlaneCam - aerial imagery and derivatives from Elwha River (WA) flight on November 21st, 2016
Department of the Interior —
This is a set of 642 primarily near-nadir aerial photogrammetric images and their derivatives, collected from the Elwha River, WA, with an intervalometer-triggered... -
Federal
Elwha PlaneCam - aerial imagery and derivatives from Elwha River (WA) flight on February 16th, 2016
Department of the Interior —
This is a set of 642 primarily near-nadir aerial photogrammetric images and their derivatives, collected from the Elwha River, WA, with an intervalometer-triggered... -
Federal
River-channel topography on the Elwha River, Washington, 2006 to 2022 (ver. 2.0, July 2025)
Department of the Interior —
This portion of the data release presents topographic data collected at 5 study sites along Elwha River, Washington between 2006 and 2022. Elevations along channel-... -
Federal
Digital elevation models (DEMs) of the Elwha River delta, Washington, August 2022
Department of the Interior —
This portion of the USGS data release presents digital elevation models (DEMs) derived from bathymetric and topographic surveys conducted on the Elwha River delta in... -
Federal
Elevations of the Elwha and Mills dams, Elwha River, Washington, 2008 to 2013
Department of the Interior —
This dataset presents elevation measurements of two dams on the Elwha River, Washington, during their removal processes from 2008 to 2013. Elevation measurements of... -
Federal
Digital elevation models (DEMs) of the Elwha River delta, Washington, August 2019
Department of the Interior —
This portion of the USGS data release presents digital elevation models (DEMs) derived from bathymetric and topographic surveys conducted on the Elwha River delta in... -
Federal
Surface-sediment grain-size distributions of the Elwha River delta, Washington, August 2022
Department of the Interior —
This portion of the data release presents sediment grain-size data from samples collected on the Elwha River delta, Washington, in August 2022 (USGS Field Activity... -
Federal
Nearshore bathymetry data from the Elwha River delta, Washington, January 2015, collected from kayak
Department of the Interior —
This part of the data release presents bathymetry data from the Elwha River delta collected in January 2015 using a kayak. The kayak was equipped with a single-beam... -
Federal
Sediment grain size from the Elwha River, Washington, 2006 to 2022 (ver. 2.0, July 2025)
Department of the Interior —
The grain size of sediment on the riverbed was measured during 21 surveys on the Elwha River, Washington, between 2006 and 2022. Most data were collected along the... -
Federal
Vascular plant diversity and associated environmental variables along the Elwha River, Washington, 2005-2017
Department of the Interior —
The data release presents observations of riparian vegetation, topography, soil characteristics, and ground cover in three river segments located above, below, and... -
Federal
Environmental DNA (eDNA) is an Effective Tool to Track Recolonizing Migratory Fish Following Large-Scale Dam Removal, field data
Department of the Interior —
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... -
Federal
Vegetation and geomorphic surfaces in the Elwha River delta, Washington, after dam removal, derived from 2016 and 2018 aerial imagery and 2007, 2014, and 2018 field surveys
Department of the Interior —
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... -
Federal
Surface-sediment grain-size distributions from the Elwha River delta, Washington, September 2014
Department of the Interior —
This portion of the data release presents sediment grain-size data from samples collected on the Elwha River delta, Washington, in September 2014 (USGS Field Activity...
209 datasets found