Permanent Site: D2 East Transect; Depth: 12.6 Meters (41.4 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15233001,-123.56829403; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand and cobble.
Videos
Explore a diverse collection of engaging videos showcasing the latest research, discoveries, and educational content from the U.S. Geological Survey. Dive into the fascinating world of geology, hydrology, ecology, and natural hazards as we bring science to life. Stay informed and inspired by our visual storytelling that highlights the vital work of USGS scientists and their impact on the planet.
Permanent Site: D2 East Transect; Depth: 12.6 Meters (41.4 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15233001,-123.56829403; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand and cobble.
Permanent Site: D2 West Transect; Depth: 12.3 Meters (40.5 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15233001,-123.56896603; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand and cobble.
Permanent Site: D2 West Transect; Depth: 12.3 Meters (40.5 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15233001,-123.56896603; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand and cobble.
This video demonstrates how to measure water levels in wells using an electric tape.
This video demonstrates how to measure water levels in wells using an electric tape.
This video demonstrates how to measure water levels in wells using a graduated steel tape.
This video demonstrates how to measure water levels in wells using a graduated steel tape.
Basic Records Management Training 2014 - webex converted to mp4 for training purposes
Basic Records Management Training 2014 - webex converted to mp4 for training purposes
Records Management Disposition Training 2014 - webex converted to mp4 for training purposes
Records Management Disposition Training 2014 - webex converted to mp4 for training purposes
RM Files Management Training 2014 - webex converted to mp4 for training purposes
RM Files Management Training 2014 - webex converted to mp4 for training purposes
Permanent Site: J1 East Transect; Depth: 9.1 Meters (30.0 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This site is medium depth. Substrates is mainly a gravel/sand mixture. Seaweed density is still greatly decreased.
Permanent Site: J1 East Transect; Depth: 9.1 Meters (30.0 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This site is medium depth. Substrates is mainly a gravel/sand mixture. Seaweed density is still greatly decreased.
Permanent Site: E2 East Transect; Depth: 14.8 Meters (48.5 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15653002,-123.56130401; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with an occasional boulder. Seaweed is absent.
Permanent Site: E2 East Transect; Depth: 14.8 Meters (48.5 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15653002,-123.56130401; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with an occasional boulder. Seaweed is absent.
Permanent Site: E2 West Transect; Depth: 14.6 Meters (48 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15653002, -123.56197605; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with scattered boulders. Seaweed is absent.
Permanent Site: E2 West Transect; Depth: 14.6 Meters (48 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15653002, -123.56197605; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with scattered boulders. Seaweed is absent.
Permanent Site: K1 West Transect; Depth: 6.1 Meters (20.0 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.13592923,-123.51082988; Site Description: This is a shallow site. Sediment is a gravel/sand mixture.
Permanent Site: K1 West Transect; Depth: 6.1 Meters (20.0 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.13592923,-123.51082988; Site Description: This is a shallow site. Sediment is a gravel/sand mixture.
Permanent Site: F1 East Transect; Depth: 6.6 Meters (21.5 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15292999, -123.55011402; Site Description: This is a shallow site that is actively being buried. Substrate has converted from gravel/cobble to all sand.
Permanent Site: F1 East Transect; Depth: 6.6 Meters (21.5 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15292999, -123.55011402; Site Description: This is a shallow site that is actively being buried. Substrate has converted from gravel/cobble to all sand.
Permanent Site: F1 West Transect; Depth: 6.6 Meters (21.6 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15292999, -123.55078602; Site Description: This video is a good example of a site that is actively being covered in sandy sediment from the dam removals.
Permanent Site: F1 West Transect; Depth: 6.6 Meters (21.6 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15292999, -123.55078602; Site Description: This video is a good example of a site that is actively being covered in sandy sediment from the dam removals.
Permanent Control Site: GP1 East Transect; Depth: 7.7 Meters (25.1 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.11852521,-123.31538047; Site Description: This site was established as the eastern control. Depth is medium-shallow.
Permanent Control Site: GP1 East Transect; Depth: 7.7 Meters (25.1 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.11852521,-123.31538047; Site Description: This site was established as the eastern control. Depth is medium-shallow.
Permanent Control Site: GP1 West Transect; Depth: 7.4 Meters (24.2 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow.
Permanent Control Site: GP1 West Transect; Depth: 7.4 Meters (24.2 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow.
Permanent Control Site: GP2 East Transect; Depth: 13.5 Meters (44.4 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.12781102,-123.31645664; Site Description: This site was established as the eastern control. Substrate is mainly a gravel sand mixture.
Permanent Control Site: GP2 East Transect; Depth: 13.5 Meters (44.4 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.12781102,-123.31645664; Site Description: This site was established as the eastern control. Substrate is mainly a gravel sand mixture.
Permanent Control Site: GP2 West Transect; Depth: 12.7 Meters (41.6 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders.
Permanent Control Site: GP2 West Transect; Depth: 12.7 Meters (41.6 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders.
The USGS and its cooperators have installed debris-flow monitoring equipment in the largest drainage basin at Chalk Cliffs, CO. Data collection at this site supports research on the hydrologic factors that control debris-flow initiation, entrainment, and flow dynamics.
The USGS and its cooperators have installed debris-flow monitoring equipment in the largest drainage basin at Chalk Cliffs, CO. Data collection at this site supports research on the hydrologic factors that control debris-flow initiation, entrainment, and flow dynamics.
PubTalk 7/2014 — The Ecological Value of Coastal Fog
PubTalk 7/2014 — The Ecological Value of Coastal FogCooling relief and nebulous forecasts for northern California
by Alicia Torregrosa, USGS Physical Scientist
PubTalk 7/2014 — The Ecological Value of Coastal Fog
PubTalk 7/2014 — The Ecological Value of Coastal FogCooling relief and nebulous forecasts for northern California
by Alicia Torregrosa, USGS Physical Scientist
Permanent Site: C1 East Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.14525225,-123.57294101; Site Description: Substrate is entirely sand. All seaweeds are absent. Fragments of drift seaweed and eelgrass are seen throughout entire video.
Permanent Site: C1 East Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.14525225,-123.57294101; Site Description: Substrate is entirely sand. All seaweeds are absent. Fragments of drift seaweed and eelgrass are seen throughout entire video.
Permanent Site: C1 West Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.14525225,-123.57361291; Site Description: Substrate is entirely sand. All seaweeds are absent. Fragments of drift seaweed and eelgrass are seen throughout entire video.
Permanent Site: C1 West Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.14525225,-123.57361291; Site Description: Substrate is entirely sand. All seaweeds are absent. Fragments of drift seaweed and eelgrass are seen throughout entire video.