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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
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
Streamgage measurements, Elwha River, Washington, 2011 to 2016
Department of the Interior —
Streamgage levels on the Elwha River were measured from 2011 to 2016. These measurements show the height of the river's water surface, both in meters relative to the... -
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
Upstream sediment contributions to Lake Mills on the Elwha River, Washington, 1926 to 2016
Department of the Interior —
Sediment inputs to Lake Mills, on the Elwha River, Washington, were measured from 1927 to 2016. These measurements represent the annual total sediment load, in tonnes... -
Federal
River margin and braid shapefiles for the lower, middle, and upper reaches of the Elwha River, Washington, 2006 to 2022
Department of the Interior —
This dataset provides GIS shapefiles of river margins and braids derived from 30 aerial imagery datasets of the Elwha River, Washington spanning June 2006 through... -
Federal
River-transect locations used in spatial analyses of geomorphic change along the lower, middle, and upper reaches of the Elwha River, Washington
Department of the Interior —
This data release provides transect locations used for GIS analyses of geomorphic change along the Elwha River, Washington conducted by East and others (2018). The... -
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
Monthly bedload estimates, Elwha River, Washington, October 2015 to September 2016
Department of the Interior —
Bedload sediment transport was calculated on the Elwha River, Washington to measure the amount of sediment transported along the riverbed during the 2016 water year.... -
Federal
Orthomosaic images of the middle and lower Elwha River, Washington, 2012 to 2017
Department of the Interior —
This dataset presents 28 georeferenced orthomosaic images of the middle and lower reaches of the Elwha River. Each mosaic image was created by stitching together... -
Federal
Digital elevation models (DEMs) of the lower Elwha River, Washington, water year 2013 to 2016
Department of the Interior —
Digital elevation models (DEMs) of the lower Elwha River, Washington, were created by synthesizing lidar and PlaneCam Structure-from-Motion (SfM) data. Lidar and...