Permanent Site: A2 West Transect; Depth: 13.0 Meters (Feet 42.7); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 month pre-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. Annual species of seaweeds are present.
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A2 West Transect – 2011
Permanent Site: A2 West Transect; Depth: 13.0 Meters (Feet 42.7); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 month pre-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. Annual species of seaweeds are present.
USGS Data Grapher Tutorial - Adjusting Your Graph
This is a data graphing utility that allows the user to build graphs of data from selected USGS stations.
This is a data graphing utility that allows the user to build graphs of data from selected USGS stations.
USGS Data Grapher Tutorial - Quick Overview
This is a data graphing utility that allows the user to build graphs of data from selected USGS stations.
This is a data graphing utility that allows the user to build graphs of data from selected USGS stations.
Connecting flood management and salmon habitat improvement, Johnson Creek Schweitzer Natural Area, Portland, Oregon
linkFaith Fitzpatrick (U.S. Geological Survey), Gardner Johnston (Interfluve, Inc.), and Janine Castro (U.S. Fish and Wildlife Service) describe techniques for designing salmon habitat with flood management in Portland's urban streams.
Connecting flood management and salmon habitat improvement, Johnson Creek Schweitzer Natural Area, Portland, Oregon
linkFaith Fitzpatrick (U.S. Geological Survey), Gardner Johnston (Interfluve, Inc.), and Janine Castro (U.S. Fish and Wildlife Service) describe techniques for designing salmon habitat with flood management in Portland's urban streams.
Rehabilitating urban streams for salmon habitat improvement, Johnson Creek Schweitzer Natural Area, Portland, Oregon
linkFaith Fitzpatrick (U.S. Geological Survey), Gardner Johnston (Interfluve, Inc.), and Janine Castro (U.S. Fish and Wildlife Service) discuss watershed changes associated with urbanization that have led to degraded channel conditions and altered salmon habitat.
Rehabilitating urban streams for salmon habitat improvement, Johnson Creek Schweitzer Natural Area, Portland, Oregon
linkFaith Fitzpatrick (U.S. Geological Survey), Gardner Johnston (Interfluve, Inc.), and Janine Castro (U.S. Fish and Wildlife Service) discuss watershed changes associated with urbanization that have led to degraded channel conditions and altered salmon habitat.
Flexible channel design for stream restoration and habitat improvement, Kelley Creek, Portland, Oregon
linkFaith Fitzpatrick (U.S. Geological Survey), Gardner Johnston (Interfluve, Inc.), and Janine Castro (U.S. Fish and Wildlife Service) discuss flexible designs and habitat improvement in Kelley Creek which was rehabilitated 5-6 years ago.
Flexible channel design for stream restoration and habitat improvement, Kelley Creek, Portland, Oregon
linkFaith Fitzpatrick (U.S. Geological Survey), Gardner Johnston (Interfluve, Inc.), and Janine Castro (U.S. Fish and Wildlife Service) discuss flexible designs and habitat improvement in Kelley Creek which was rehabilitated 5-6 years ago.
Longitudinal connection and habitat rehabilitation, Tryon Creek, Portland, Oregon
Faith Fitzpatrick (U.S.
Recreating confluence environments and habitat for Pacific Northwest streams, Tryon Confluence, Portland, Oregon
linkFaith Fitzpatrick (U.S.
PubTalk 10/2010 — Dam Removal in the Pacific Northwest
- a new tool for river restoration
by Jonathan Warrick, Research Geologist
- a new tool for river restoration
by Jonathan Warrick, Research Geologist
PubTalk 9/2010 — Great Missoula & Ice Age Floods Natl. Geologic Trail
- a journey through the landscape of Earth's greatest floods
by Richard Waitt, Geologist
- a journey through the landscape of Earth's greatest floods
by Richard Waitt, Geologist
4SP1 West Transect – 2010
Permanent Site: 4SP1 - West Transect; Depth: 6.4 Meters (20.9 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: Predominantly a high current site with gravel/cobble substrate covered in seaweeds.
Permanent Site: 4SP1 - West Transect; Depth: 6.4 Meters (20.9 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: Predominantly a high current site with gravel/cobble substrate covered in seaweeds.
H2 East Transect – 2010
Permanent Site: H2 East Transect; Depth: 8.0 Meters (26.3 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder.
Permanent Site: H2 East Transect; Depth: 8.0 Meters (26.3 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder.
H2 West Transect – 2010
Permanent Site: H2 West Transect; Depth: 7.7 Meters (25.1 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53277857; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional small boulder.
Permanent Site: H2 West Transect; Depth: 7.7 Meters (25.1 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53277857; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional small boulder.
4SP1 East Transect - 2010
Permant Site: 4SP1 - East Transect Depth: 6.0 Meters (19.8 Feet) Distance from river mouth: 0.8 Kilometers (0.5 Miles) East Pre/Post Dam Removal: 1 Year Pre-dam removal Lat/Long: 48.15257, -123.556704 Site Description: Predominantly a shallow, high current site with cobble and gravel substrate covered in seaweed.
Permant Site: 4SP1 - East Transect Depth: 6.0 Meters (19.8 Feet) Distance from river mouth: 0.8 Kilometers (0.5 Miles) East Pre/Post Dam Removal: 1 Year Pre-dam removal Lat/Long: 48.15257, -123.556704 Site Description: Predominantly a shallow, high current site with cobble and gravel substrate covered in seaweed.
A1 East Transect – 2010
Permanent Site: A1 East Transect; Depth: 8.8 Meters (28.9 Feet); Distance from river mouth: 1.8 Kilometers (1.1 Miles) West; Pre/Post Dam Removal: 1 year pre-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 occasional boulders.
Permanent Site: A1 East Transect; Depth: 8.8 Meters (28.9 Feet); Distance from river mouth: 1.8 Kilometers (1.1 Miles) West; Pre/Post Dam Removal: 1 year pre-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 occasional boulders.
A1 West Transect – 2010
Permanent Site: A1 West Transect; Depth: 8.4 Meters (27.4 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 1 year pre-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.
Permanent Site: A1 West Transect; Depth: 8.4 Meters (27.4 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 1 year pre-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.
A2 East Transect – 2010
Permanent Site: A2 East Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Annual species of seaweeds are present but not abundant.
Permanent Site: A2 East Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Annual species of seaweeds are present but not abundant.
A2 West Transect – 2010
Permanent Site: A2 West Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-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.
Permanent Site: A2 West Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-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.
H1 East Transect – 2010
Permanent Site: H1 East Transect; Depth: 5.2 Meters (Feet 17.0); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-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.
Permanent Site: H1 East Transect; Depth: 5.2 Meters (Feet 17.0); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-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.
H1 West Transect – 2010
Permanent Site: H1 West Transect; Depth: 5.0 Meters (Feet 16.4); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-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.
Permanent Site: H1 West Transect; Depth: 5.0 Meters (Feet 16.4); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-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.
Mount St. Helens: May 18, 1980
USGS scientists recount their experiences before, during and after the May 18, 1980 eruption of Mount St. Helens. Loss of their colleague David A. Johnston and 56 others in the eruption cast a pall over one of the most dramatic geologic moments in American history.
USGS scientists recount their experiences before, during and after the May 18, 1980 eruption of Mount St. Helens. Loss of their colleague David A. Johnston and 56 others in the eruption cast a pall over one of the most dramatic geologic moments in American history.