Unified Interior Regions

Region 9: Columbia-Pacific Northwest

Regions L2 Landing Page Tabs

Filter Total Items: 1,025
August 27, 2013

GP1 East Transect – 2013

Permanent Control Site: GP1 East Transect; Depth: 7.2 Meters (23.5 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.11852521,-123.31538047; Site Description: This site was established as the eastern control. Depth is medium-shallow. Substrate is mainly a gravel/sand/cobble mixture surrounding

August 27, 2013

GP2 East Transect – 2013

Permanent Control Site: GP2 East Transect; Depth: 13.0 Meters (42.8 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 2 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. A few large boulders are located off

August 26, 2013

A2 West Transect – 2013

Permanent Site: A2 West Transect; Depth: 12.9 Meters (Feet 42.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 2 years 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 scattered boulders. Seaweeds continue to be scarce and mainly

August 26, 2013

D2 East Transect – 2013

Permanent Site: D2 East Transect; Depth: 11.8 Meters (38.7 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 2 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. No live seaweeds are present. Only the dead stalks

August 26, 2013

D2 West Transect – 2013

Permanent Site: D2 West Transect; Depth: 11.9 Meters (39.0 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 2 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. Woody debris is seen (2:13 seconds). No live

August 16, 2013

J1 West Transect – 2013

Permanent Site: J1 West Transect; Depth: 9.3 Meters (30.5 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: This site is medium depth. Substrates has remained mainly a gravel/sand mixture. Seaweed density is still greatly decreased. Five species of brown

August 16, 2013

H1 East Transect – 2013

Permanent Site: H1 East Transect; Depth: 5.4 Meters (Feet 17.8); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites. Substrate is still

August 16, 2013

H1 West Transect – 2013

Permanent Site: H1 West Transect; Depth: 5.9 Meters (Feet 19.2); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.14803012,-123.53535558; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites. Substrate is still

August 16, 2013

J1 East Transect – 2013

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: 2 years post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This site is medium depth. Substrates has remained mainly a gravel/sand mixture. Seaweed density is still greatly decreased. Four species of brown

August 15, 2013

GP2 West Transect – 2013

Permanent Control Site: GP2 West Transect; Depth: 12.3 Meters (40.4 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 2 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. Red, green and

August 15, 2013

GP1 West Transect – 2013

Permanent Control Site: GP1 West Transect; Depth: 7.7 Meters (25.3 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow. Substrate is mainly a gravel/sand/cobble mixture surrounding

August 14, 2013

E2 East Transect – 2013

Permanent Site: E2 East Transect; Depth: 14.9 Meters (48.8 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 2 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. Featherduster tubes worms (

Filter Total Items: 434
USGS
September 9, 1996

Measurements of the volume and rate of flows of the flooding Potomac River will be made on the 14th St. Bridge beginning at about 10:30 a.m. Monday (Sept. 9, 1996) by the U.S. Geological Survey. Measuring efforts by the USGS using special cranes and weights will continue for several hours.

USGS
November 30, 1995

Flood waters are peaking and beginning to recede in the Seattle-Tacoma, Washington, area according to streamflow specialists of the U.S. Geological Survey (USGS), a science agency of the Department of the Interior.