Western Fisheries Research Center

Multimedia

Filter Total Items: 362
July 25, 2012

4SP1 East Transect – 2012

Permanent Site: 4SP1 - East Transect; Depth: 6.5 Meters (21.3 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15257, -123.556704; Site Description: Substrate has remained the same (gravel/cobble) but site is largely devoid of all annual species of seaweeds. Only remaining seaweeds are the

July 25, 2012

D1 West Transect – 2012

Permanent Site: D1 West Transect; Depth: 10.3 Meters (33.8 Feet); Distance from river mouth: 0.2 Kilometers (0.1 Miles); Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15115998,-123.56801602; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand. All annual species of seaweeds are gone except for a few

July 25, 2012

A1 West Transect – 2012

Permanent Site: A1 West Transect; Depth: 8.4 Meters (27.7 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13870775, -123.586203; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with patches of boulders. Seaweeds are sparse this year.

July 25, 2012

A1 East Transect – 2012

Permanent Site: A1 East Transect; Depth: 8.4 Meters (27.5 Feet); Distance from river mouth: 1.8 Kilometers (1.1 Miles) West; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13870775, -123.5855312; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with an occasional boulder. Seaweeds are sparse. A patch of

July 24, 2012

A2 West Transect – 2012

Permanent Site: A2 West Transect; Depth: 12.9 Meters (Feet 42.2); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.14130295, -123.5883331; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud with a few scattered boulders. Seaweeds are very sparse this year and

July 8, 2012

C1 West Transect – 2012

Permanent Site: C1 West Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.14525225,-123.57361291; Site Description: Substrate is entirely sand. Brown seaweeds are absent and only a few small red seaweeds remain (0:46, 0:56 seconds). Invertebrates are scarce with the most

View from the sky looking inland at a river mouth that is flowing into open waters heavily laden with sediment in contrast.
April 14, 2012

Turbid Coastal Plume of the Elwha River, Washington

The turbid waters of the Elwha River and the coastal waters of the Strait of Juan de Fuca mix directly offshore of the river mouth, forming a large coastal plume.  This plume is easily identified by the cloudiness of the water (or "turbidity") resulting from sediment discharged by the river.  Two large dams on the Elwha River are being incrementally removed from 2011 to

...
View from the sky looking seaward over a river mouth that is dumping large volumes of sediment and creating a delta.
April 14, 2012

Turbid Coastal Plume of the Elwha River, Washington

The turbid waters of the Elwha River and the coastal waters of the Strait of Juan de Fuca mix directly offshore of the river mouth, forming a large coastal plume.  This plume is easily identified by the cloudiness of the water (or "turbidity") resulting from sediment discharged by the river.  Two large dams on the Elwha River were incrementally removed from 2011 to 2014 to

...
Revegetation planting day at former Lake Mills reservoir as Glines Canyon Dam is removed.
March 1, 2012

Revegetation planting day at former Lake Mills

Revegetation planting day at former Lake Mills reservoir as Glines Canyon Dam is removed. Image available at Olympic National Park flickr site.

August 22, 2011

D1 West Transect – 2011

Permanent Site: D1 West Transect; Depth: 10.3 Meters (33.8 Feet); Distance from river mouth: 0.2 Kilometers (0.1 Miles); Pre/Post Dam Removal: 1 month pre-dam removal; Lat/Long: 48.15115998,-123.56801602; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand. Seaweed is abundant. Bull kelp Nereocystis luetkeana (0:09, 0:

August 22, 2011

D1 East Transect – 2011

Permanent Site: D1 East Transect; Depth: 9.4 Meters (30.9 Feet); Distance from river mouth: 0.2 Kilometers (0.1 Miles); Pre/Post Dam Removal: 1 month pre-dam removal; Lat/Long: 48.15115998,-123.56734404; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand. Seaweed is abundant, especially the perennial seaweed