Unified Interior Regions

Oregon

The Oregon hydrologic technicians are servicing equipment that is part of a streamflow and water-quality monitoring inituative. Our data and study results are widely used to manage Oregon's water resources for the benefit of people and our environment.

Oregon Water Science Center

Oregon Water Science Center

The Oregon Water Science Center uses state-of-the-art techniques for data collection and interpretation. Scientists have expertise in all areas of water science, including: water quality, groundwater, surface water, and aquatic ecosystems.

Go to Science Center

Forest and Rangeland Ecosystem Science Center (FRESC)

Forest and Rangeland Ecosystem Science Center (FRESC)

FRESC's ecological research increases understanding of how biological systems function, how disturbances and threats affect species and habitats, and which methods most effectively promote restoration, conservation, and other management goals.

Go to FRESC

States L2 Landing Page Tabs

The Oregon hydrologic technicians are servicing equipment that is part of a streamflow and water-quality monitoring inituative. Our data and study results are widely used to manage Oregon's water resources for the benefit of people and our environment.

News

Date published: October 6, 2020

Expanding our knowledge of Willamette River fish habitat

USGS scientists are providing important information about off-channel features of the Willamette River, which provide habitat for many fish species including salmonids. This information will fill gaps in the data needed to effectively manage the Willamette River system.

Date published: September 29, 2020

ICYMI Bulletin: Community Voices: New Volcano Monitors Increase Safety

Originally Published by: The Daily News
By: U.S. Geological Survey Director James Reilly

This article has been reprinted or reproduced with the permission of the The Daily News in Longview WA.

Date published: September 28, 2020

Surface-water nutrient and sediment mappers are now available

SPARROW mappers are interactive tools that allow users to evaluate streamflow and nutrient and sediment conditions as well as the importance of different sources of contaminants in a selected river basin. Data can be visualized at different scales using maps and interactive graphs and tables.

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Date published: October 22, 2020
Status: Active

EXPRESS: Expanding Pacific Research and Exploration of Submerged Systems

EXPRESS is a multi-year, multi-institution cooperative research campaign in deep sea areas of California, Oregon, and Washington, including the continental shelf and slope. EXPRESS data and information are intended to guide wise use of living marine resources and habitats, inform ocean energy and mineral resource decisions, and improve offshore hazard assessments.

Read the June 11, 2020...

Date published: October 15, 2020
Status: Active

USGS-developed lahar detection systems provide warning of lahars

USGS scientists developed an inexpensive, durable, portable, and easily installed system to detect and continuously monitor the arrival and passage of debris flows and floods in river valleys draining active volcanoes.

Attribution: Natural Hazards
Date published: October 15, 2020
Status: Active

18-2. Earthquake ground motions and seismic hazard in the Pacific Northwest

This Research Opportunity will be filled depending on the availability of funds. All application materials must be submitted through USAJobs by 11:59 pm, US Eastern Standard Time, on the closing date.

Date published: September 30, 2020
Status: Active

Cascadia Subduction Zone Marine Geohazards

Societal Issue: Uncertainty related to rupture extent, slip distribution, and recurrence of past subduction megathrust earthquakes in the Pacific Northwest (northern CA, OR, WA, and southern BC) leads to ambiguity in earthquake and tsunami hazard assessments and hinders our ability to prepare for future events.

Date published: August 19, 2020
Status: Completed

2019 Seafloor Geodesy cruise

Objectives: Constrain the rate and spatial distribution of locking (stress accumulation) along the megathrust offshore Cascadia with seafloor geodetic instrument arrays that operate using indirect-path acoustic ranging methods with Global Navigation Satellite System positioning (GNSS-A) (Figure 1)

This survey is part of the USGS project, “...

Contacts: Janet Watt
Date published: August 19, 2020
Status: Completed

2019 USGS-NOAA Multibeam Bathymetry

Objectives: Fill in critical baseline bathymetric mapping gaps along the mid- to upper-slope.

These surveys are part of the USGS project, “Cascadia Subduction Zone Marine Geohazards.”

Contacts: Peter Dartnell
Date published: August 19, 2020
Status: Completed

2019 Geophysical surveys and instrumented tripod deployment in and around Astoria Canyon

Objectives: Examine the processes associated with sediment storage and remobilization in and around Astoria Canyon to understand the processes that lead to turbidity flows.

These surveys are part of the USGS project, “Cascadia Subduction Zone Marine Geohazards.”

Contacts: Jenna C Hill
Date published: August 18, 2020
Status: Completed

2018 Regional geophysical surveys of southern Cascadia (offshore northern California and southern Oregon)

Objectives: Characterize offshore geohazards and source-to-sink sedimentary dynamics offshore southern Cascadia.

These surveys are part of the USGS project, “Cascadia Subduction Zone Marine Geohazards.”

Contacts: Janet Watt
Date published: August 14, 2020
Status: Completed

2018 USGS-NOAA multibeam bathymetry surveys

Objectives: Fill in critical baseline bathymetric mapping gaps along the mid- to upper-slope (200 m to 1,500 m water depths).

These surveys are part of the USGS project, “Cascadia Subduction Zone Marine Geohazards.”

Contacts: Janet Watt
Date published: August 12, 2020
Status: Active

Ecosystems: EXPRESS

The continental shelf and slope offshore California, Oregon, and Washington are home to deep-sea corals, chemosynthetic communities, and other sensitive habitats that could be impacted by the development of energy and mineral resources. The EXPRESS campaign will map and...

Date published: July 28, 2020
Status: Active

U.S. West Coast and Alaska Marine Geohazards

Marine geohazards are sudden and extreme events beneath the ocean that threaten coastal populations. Such underwater hazards include earthquakes, volcanic eruptions, landslides, and tsunamis.

Devastating earthquakes in Japan (2011) and Chile (2010) that spawned pan-oceanic tsunamis sent a sobering reminder that U.S. coastlines are also vulnerable to natural disasters that originate in...

Date published: June 23, 2020
Status: Active

Hazards: EXPRESS

Marine geohazards including earthquakes, landslides, and tsunamis lie offshore of densely populated areas of California, Oregon, and Washington. One goal of EXPRESS is to improve assessments of these hazards.

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Date published: June 26, 2020

CTD profiles and discrete water-column measurements collected off California and Oregon during NOAA cruise SH-18-12 (USGS field activity 2018-663-FA) from October to November 2018

Various water column variables, including CTD (Conductivity Temperature Depth) data were measured at selected depths from sites offshore of California and Oregon from October to November 2018 during NOAA cruise SH-18-12 on R/V Bell M. Shimada (USGS field activity 2018-663-FA).

Date published: June 23, 2020

Global Geochemical Database for Critical Minerals in Archived Mine Samples

The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States. In addition, the database contains samples from archetypal deposits from 27 other countries in North America, South America, Asia, Africa and Europe. Samples were obtained from archived ore

Date published: April 23, 2020

Domestic Wells in the United States

Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater. 

Date published: April 15, 2020

Fungicides in nectar and pollen collected by bumble bees in a cherry orchard

Lab-reared colonies of Bombus huntii (Hunt bumble bee) were deployed in a commercial cherry orchard in the spring of 2016. A fungicide formulation containing boscalid (25.2%) and pyraclostrobin (12.8%) was applied one time at the recommended label rate. Nectar and pollen were collected daily, beginning two days before spray application and continuing for ten days following. Nect

Date published: February 20, 2020

Multichannel sparker seismic reflection data of USGS field activity 2018-658-FA collected between Cape Blanco and Cape Mendocino from 2018-10-04 to 2018-10-18

This data release contains processed high-resolution multichannel sparker seismic-reflection (MCS) data that were collected aboard Humboldt State University’s R/V Coral Sea in October of 2018 on U.S. Geological Survey cruise 2018-658-FA on the shelf and slope between Cape Blanco, Oregon, and Cape Mendocino, California. MCS data were collected to characterize quaternary deforma

Date published: September 26, 2019

Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018

Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States: the Central Valley aquifer system (CVAL), the Basin and Range basin-fill aquifers (BNRF), the Rio Grande aquifer system (RIOG), the High Plains aquifer (HPAQ), the Columbia Plateau basaltic-rock aquifers (

Date published: June 10, 2019

Beach topography and nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon

This data release presents beach topography and nearshore bathymetry data from repeated surveys performed by a team of scientists from the USGS, Washington State Department of Ecology, and Oregon State University in the Columbia River littoral cell (CRLC), Washington and Oregon. The CRLC extends approximately 165 kilometers between Point Grenville, WA, and Tillamook, OR.

Date published: January 1, 2019

Beach topography of the Columbia River littoral cell, Washington and Oregon, 2019

This portion of the USGS data release presents topography data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon, in 2019 (USGS Field Activity Number 2019-632-FA). Topographic profiles were collected by walking along survey lines with global navigation satellite system (GNSS) receivers mounted on backpacks. Prior to data collection, vertic

Date published: January 1, 2019

Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2019

This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2019 (USGS Field Activity Number 2019-632-FA). Bathymetry data were collected using four personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The sonar sy

Date published: January 1, 2019

Annual streamflow, runoff and baseflow, estimated for the period of record using six hydrograph-separation methods, for 312 gaged basins in the Northwest Volcanic Aquifer Study Area, USA, 1904-2015.

The U.S. Geological Survey’s Water Availability and Use Study Program (WAUSP) (https://water.usgs.gov/ogw/gwrp/activities/regional.html) supports quantitative assessments of groundwater availability in areas of critical importance. As part of a WAUSP study in the arid to semi-arid Northwest Volcanic Aquifer Study Area (...

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Black and grey map of the contiguous 48 states shaded by the number of people using domestic wells per square kilometer (2010)
April 23, 2020

Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater. 

CITE
January 10, 2018

Scientists at WERC's Dixon Field station have fitted Cinnamon Teal with GPS backpacks. Using R, the telemetry locations are displayed on an image every two weeks.

Digital Elevation Model in the Atchafalaya Basin, LA
April 19, 2016

The 3DEP products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

Klamath lake landsat
February 1, 2010

The image is a mosaic of nine scenes from Landsat 5 at a resolution of 30 meters on 07/22/2005, 08/26/2006, 06/17/2007, 07/05/2007, 08/18/2009, 08/27/2009, and 09/26/2009.

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Year Published: 2020

Developing post-alert messaging for ShakeAlert, the earthquake early warning system for the West Coast of the United States of America

As ShakeAlert, the earthquake early warning system for the West Coast of the U.S., begins its transition to operational public alerting, we explore how post-alert messaging might represent system performance. Planned post-alert messaging can provide timely, crucial information to both emergency managers and ShakeAlert operators as well as...

McBride, Sara; Bostrom, Ann; Sutton, Jeannette; deGroot, Robert Michael; Baltay, Annemarie S.; Terbush, Brian; Bodin, Paul; Dixon, Maximilian; Holland, Emily; Arba, Ryan; Laustsen, Paul C.; Liu, Sophia; Vinci, Margaret

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Year Published: 2020

Submarine canyons, slope failures and mass transport processes in southern Cascadia

The marine turbidite record along the southern Cascadia Subduction Zone has been used to interpret paleoseismicity and suggest a shorter recurrence interval for large (>M7) earthquakes along this portion of the margin; however, the sources and pathways of these turbidity flows are poorly constrained. We examine the spatial distribution of...

Hill, Jenna C.; Watt, Janet; Brothers, Daniel; Kluesner, Jared

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Year Published: 2019

Effects of experimental removal of Barred Owls on population Demography of Northern Spotted Owls in Washington and Oregon—2018 Progress Report

Populations of Northern Spotted Owls (Strix occidentalis caurina; herineafter referred to as Spotted Owl) have declined throughout the subspecies’ geographic range. Evidence indicates that competition with invading Barred Owls (S. varia) has contributed significantly to those declines. A pilot study in California showed that removal of Barred Owls...

Wiens, J. David; Dugger, Katie M.; Lesmeister, Damon B.; Dilione, Krista E.; Simon, David C.
Wiens, J.D., Dugger, K.M., Lesmeister, D.B., Dilione, K.E., and Simon, D.C., 2019, Effects of Barred Owl (Strix varia) removal on population demography of Northern Spotted Owls (Strix occidentalis caurina) in Washington and Oregon, 2015–18: U.S. Geological Survey Open-File Report 2019-1074, 17 p., https://doi.org/10.3133/ofr20191074.

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Year Published: 2019

Post-fire rockfall and debris-flow hazard zonation in the Eagle Creek Fire burn area, Columbia River Gorge, Oregon: a tool for emergency managers and first responders

The Eagle Creek Fire engulfed 48,832 acres (196 km2) within the Columbia River Gorge, Oregon beginning September 2nd and was 100% contained by November 30th, 2017. The Columbia River Gorge area is steep and heavily forested characterized by cliffs and flanking talus slopes, receiving > 100 inches (> 254 cm) of precipitation annually. The...

Calhoun, Nancy C.; Burns, William J.; Hayduk, S.H.; Staley, Dennis M.; Kean, Jason W.
Calhoun, N.C., Burns, W.J., Hay, S., Staley, D.M., and Kean, J.W. (2019), Post-fire rockfall and debris-flow hazard zonation in the Eagle Creek fire burn area, Columbia River Gorge, Oregon: A tool for emergency managers and first responders, in Debris-Flow Hazards Mitigation: Mechanics, Monitoring, Modeling, and Assessment, edited by Kean, J.W., Coe, J.A., Santi, P.M., and Guillen, B.K., Association of Environmental and Engineering Geologists, Special Publication #28, p. 581-588.

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Year Published: 2019

Evaluation of Chinook salmon (Oncorhynchus tshawytscha) fry survival at Lookout Point Reservoir, western Oregon, 2017

A field study was conducted to estimate survival of fry-sized juvenile Chinook salmon (Oncorhynchus tshawytscha) in Lookout Point Reservoir, western Oregon, during 2017. The field study consisted of releasing three groups of genetically marked fish in the reservoir and monthly fish sampling. Fish were released during April 18–19 (43,950 fish), May...

Kock, Tobias J.; Perry, Russell W.; Hansen, Gabriel S.; Haner, Philip V.; Pope, Adam C.; Plumb, John M.; Cogliati, Karen M.; Hansen, Amy C.
Kock, T.J., Perry, R.W., Hansen, G.S., Haner, P.V., Pope, A.C., Plumb, J.M., Cogliati, K.M., and Hansen, A.C., 2019, Evaluation of Chinook salmon (Oncorhynchus tshawytscha) fry survival at Lookout Point Reservoir, western Oregon, 2017: U.S. Geological Survey Open-File Report 2019-1011, 42 p., https://doi.org/10.3133/ofr20191011.

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Year Published: 2019

Assessing causes of mortality for endangered juvenile Lost River suckers (Deltistes luxatus) in mesocosms in Upper Klamath Lake, south-central Oregon, 2016

Executive SummaryThe recovery of endangered Lost River suckers (Deltistes luxatus) in Upper Klamath Lake, south-central Oregon, has been impeded because juveniles are not recruiting into adult spawning populations. Adult sucker populations spawn each spring but mortality of age-0 suckers during their first summer is excessively high, and...

Hereford, Danielle M.; Conway, Carla M.; Burdick, Summer M.; Elliott, Diane G.; Perry, Todd M.; Dolan-Caret, Amari; Harris, Alta C.
Hereford, D.M., Conway, C.M., Burdick, S.M., Elliott, D.G., Perry, T.M., Dolan-Caret, A., and Harris, A.C., 2019, Assessing causes of mortality for endangered juvenile Lost River suckers (Deltistes luxatus) in mesocosms in Upper Klamath Lake, south-central Oregon, 2016: U.S. Geological Survey Open -File Report 2019-1006, 80 p., https://doi.org/10.3133/ofr20191006.

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Year Published: 2018

Fish behavior and abundance monitoring near a floating surface collector in North Fork Reservoir, Clackamas River, Oregon, using multi-beam acoustic imaging sonar

An imaging sonar was used to assess the behavior and abundance of fish sized the same as salmonid smolt and bull trout (Salvelinus confluentus) at the entrance to the juvenile fish floating surface collector (FSC) at North Fork Reservoir, Oregon. The purpose of the FSC is to collect downriver migrating juvenile salmonids (Chinook salmon [...

Smith, Collin D.; Plumb, John M.; Adams, Noah S.
Smith, C.D., Plumb J.M., and Adams, N.S. 2018, Fish behavior and abundance monitoring near a floating surface collector in North Fork Reservoir, Clackamas River, Oregon, using multi-beam acoustic imaging sonar: U.S. Geological Survey Open-File Report 2018-1182, 28 p., https://doi.org/10.3133/ofr20181182.

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Year Published: 2018

Wetland stratigraphic evidence for variable megathrust earthquake rupture modes at the Cascadia subduction zone

Although widespread agreement that the Cascadia subduction zone produces great earthquakes of magnitude 8 to 9 was reached decades ago, debate continues about the rupture lengths, magnitudes, and frequency of megathrust earthquakes recorded by wetland stratigraphy fringing Cascadia’s estuaries. Correlation of such coastal earthquake evidence along...

Nelson, Alan R.; Witter, Robert C.; Englehart, Simon; Hawkers, Andrea; Horton, Benjamin P.
Wetland stratigraphic evidence for variable megathrust earthquake rupture modes at the Cascadia subduction zone, in Piscitelli, A., Milella, M., and Mastronuzzi, G., eds, Abstract volume for IGCP Project 639 - Sea-level change from minutes to millenia, Crossing southern Italy, a traveling meeting from Taranto to Siracusa, Italy 17-21 Sept 2018, p. 85-87.

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Year Published: 2018

State transportation agencies partner to deploy and enhance ShakeCast

The California Department of Transportation (Caltrans) is organizing and leading a three-year Transportation Pooled Fund (TPF) project, Connecting the Dots: Implementing ShakeCast Across Multiple State Departments of Transportation for Rapid Post-Earthquake Response. Ten state Departments of Transportation (DOT)—CA, ID, MO, MS, OK, OR, SC, TX, UT...

Turner, L.; Wald, David J.; Lin, Kuo-wan; Chiou, Brian; Slosky, Daniel

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Year Published: 2018

Geoelectric hazard maps for the Pacific Northwest

Maps of extreme value, horizontal component geoelectric field amplitude are constructed for the Pacific Northwest United States (and parts of neighboring Canada). Multidecade long geoelectric field time series are calculated by convolving Earth surface impedance tensors from 71 discrete magnetotelluric survey sites across the region with...

Love, Jeffrey J.; Lucas, Greg M.; Kelbert, Anna; Bedrosian, Paul A.

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Year Published: 2018

Effects of experimental removal of Barred Owls on population demography of Northern Spotted Owls in Washington and Oregon—2017 progress report

Populations of Northern Spotted Owls (Strix occidentalis caurina; hereinafter referred to as Spotted Owl) are declining throughout this subspecies’ geographic range. Evidence indicates that competition with invading populations of Barred Owls (S. varia) has contributed significantly to those declines. A pilot study in California showed that...

Wiens, J. David; Dugger, Katie M.; Lesmeister, Damon B.; Dilione, Krista E.; Simon, David C.
Wiens, J.D., Dugger, K.M., Lesmeister, D.B., Dilione, K.E., and Simon, D.C., 2018, Effects of experimental removal of Barred Owls on population demography of Northern Spotted Owls in Washington and Oregon—2017 progress report: U.S. Geological Survey Open-File Report 2018–1086, 23 p., https://doi.org/10.3133/ofr20181086.

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Year Published: 2018

Status and trends of adult Lost River (Deltistes luxatus) and shortnose (Chasmistes brevirostris) sucker populations in Upper Klamath Lake, Oregon, 2017

Executive SummaryData from a long-term capture-recapture program were used to assess the status and dynamics of populations of two long-lived, federally endangered catostomids in Upper Klamath Lake, Oregon. Lost River suckers (LRS; Deltistes luxatus) and shortnose suckers (SNS; Chasmistes brevirostris) have been captured and tagged with passive...

Hewitt, David A.; Janney, Eric C.; Hayes, Brian S.; Harris, Alta C.
Hewitt, D.A., Janney, E.C., Hayes, B.S., and Harris, A.C., 2018, Status and trends of adult Lost River (Deltistes luxatus) and shortnose (Chasmistes brevirostris) sucker populations in Upper Klamath Lake, Oregon, 2017: U.S. Geological Survey Open-File Report 2018-1064, 31 p., https://doi.org/10.3133/ofr20181064.

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multicolored map of Ocean Shores, Washington
April 13, 2017

The Pedestrian Evacuation Analyst is an ArcGIS extension that estimates how long it would take for someone to travel on foot out of a hazardous area that was threatened by a sudden event such as a tsunami, flash flood, or volcanic lahar. It takes into account the elevation changes and the different types of landcover that a person would encounter along the way.

Upper Klamath Lake
April 3, 2013

The Shoreline Management Tool—An ArcMap Tool for Analyzing Water Depth, Inundated Area, Volume, and Selected Habitats, with an Example for the Lower Wood River Valley, Oregon

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North Santiam River cableway
September 16, 2020

Cableway on North Santiam River at Niagara, Oregon

Cableway on North Santiam River at Niagara, Oregon (Site number 14181500)

South Fork McKenzie River stream gage
September 15, 2020

Stream gage on South Fork McKenzie River near Rainbow, Oregon

Stream gage on South Fork McKenzie River near Rainbow, Oregon (Site number 14159500)

Blue River stream gage
September 15, 2020

Stream gage on Blue River at Blue River, Oregon

Stream gage on Blue River at Blue River, Oregon, (Site number 14162200)

McKenzie River stream gage
September 15, 2020

Stream gage on McKenzie River near Vida, Oregon

Stream gage on McKenzie River near Vida, Oregon (Site number 14162500) 

Map illustration of the seafloor off the continental coastline, that reveals seafloor features like submarine canyons.
August 14, 2020

Bathymetric map of offshore Oregon

Bathymetric map of offshore Oregon with Stonewall, Heceta, and Siltcoos Banks labeled.

A map shows relief of a long stretch of continental margin with features on land and in the ocean labeled with lines and words.
August 14, 2020

Cascadia megathrust fault map

Topo-bathymetric map of the Cascadia subduction zone. Cascadia megathrust fault (white line); approximate shelf break along 200-m isobath (yellow line); MTJ, Mendocino triple junction.

Map illustration of the seafloor off the continental coastline shows all of the regions and tracklines of recent fieldwork.
August 14, 2020

Cascadia fieldwork map

Index map of U.S. Cascadia margin showing where data have been collected since 2018 as part of the Subduction Zone Marine Geohazards Project. Details of each survey effort are provided on the Cascadia Subduction Zone Marine Geohazards project web site.

Monitoring for volcanic gases at Newberry Volcano
August 3, 2020

A MultiGAS instrument measures gases at Newberry Volcano

Scientists use a MultiGAS instrument (gray, hard-shell case) to measure gas compositions from the East Lake hot spring in the Newberry caldera. The photo was taken on August 3, 2020 just after sunrise. The vapor above the hot spring and lake is typical for cool mornings and is not visible later in the day.

View looks along a coastal beach from a rocky jetty.
July 18, 2020

Fort Stevens State Park

Photo of surf zone offshore of Fort Stevens State Park taken from the Columbia River South Jetty observation deck.

July 9, 2020

Image of the Week - Virtual Road Trip with Landsat

Summer vacation plans changed for many in 2020. Whatever your plans, Landsat can take you on a virtual road trip. Landsat 8, in its sun-synchronous polar orbit, views every national park in the U.S. every 16 days and gathers more photographic data than the most ambitious of tourists.
 

June 11, 2020

Land Treatment Exploration Tool— Step 4: Prop. Treatment Area & Report

This video describes Step 4 and the developing report of the Land Treatment Exploration Tool. In Step 4 the used selects layers to generate spatial overlap statistics with their planned treatment boundary. Summary tables are generated and displayed in the Report tab, where a user can create a PDF Site Characterization Report for their planned treatment boundary. Optionally

June 11, 2020

Land Treatment Exploration Tool — Step 5: Select Search Parameters

This video describes Step 5 of the Land Treatment Exploration Tool. In Step 5 the user determines a distance or boundary to search for legacy Land Treatment Digital Library records. The user also indicates if the returned LTDL treatments are statistically evaluated against the planned treatment boundary using a Bray-Curtis Dissimilarity calculation.

These tutorial

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Willamette River alcove
October 6, 2020

USGS scientists are providing important information about off-channel features of the Willamette River, which provide habitat for many fish species including salmonids. This information will fill gaps in the data needed to effectively manage the Willamette River system.

Hells Canyon on the Snake River
September 28, 2020

SPARROW mappers are interactive tools that allow users to evaluate streamflow and nutrient and sediment conditions as well as the importance of different sources of contaminants in a selected river basin. Data can be visualized at different scales using maps and interactive graphs and tables.

North Santiam River cableway
September 23, 2020

On Labor Day, September 7, 2020, dry conditions combined with unusually strong summer winds resulted in several fires in western and southern Oregon. These fires have caused property damage and fatalities.

Color illustration of tree ring data
August 25, 2020

This AtlasObscura article features USGS scientist Brian Atwater and University of Washington colleague, David Yamaguchi and their research on the Cascadia subduction zone.

View A Massive Earthquake Is Coming to Cascadia—And It Can’t Be Stopped.

Monitoring for volcanic gases at Newberry Volcano
August 7, 2020

Field crews set up temporary gas monitoring sensors and sample hot springs and seeps, soils, and areas where sulfur smells were reported. Preliminary data show little change from previous years and monitoring effort will continue.

Dragonfly larvae being held in an open hand
July 21, 2020

A team of federal, academic, and NGO researchers conducted a national-scale assessment of mercury bioaccumulation in aquatic ecosystems using dragonfly larvae as biosentinels.

Illustration model of the Cascadia Subduction Zone
June 22, 2020

The geologic research and mapping in the offshore areas is foundational to understanding how to manage resources and improve public safety in subduction zone areas.

Underwater photo of a rocky outcrop with fish.
June 22, 2020

As state and national interest in offshore renewable energy development and substantial commercial and recreational fishing activities grows, managing offshore habitats becomes increasingly challenging. In response, USGS and BOEM have joined NOAA and several non-Federal partners to initiate EXpanding Pacific Research and Exploration of Submerged Systems (EXPRESS), a multiyear campaign.

map of Los Angeles area with different gradational colors
June 1, 2020

One USGS scientist has sorted through the challenges, the claims, and the data to determine what the possibilities and limitations really are for EEW, and the results may surprise you.

Read the new Science for Everyone article: The Blind Zone of Earthquake Early Warning

Animation of logging in Oregon
April 28, 2020

It’s not uncommon for young scientists doing remote sensing research these days to use what they call the “full Landsat record” in their studies—a time frame they often characterize as 1984 to present.

Upshot of Douglas fir forest on the west side of the Cascade Mountains, Oregon
April 3, 2020

Plant traits, such as leaf size and rooting depth, can affect plant performance and hence, how plants might respond to environmental change. Plant traits can be integrated, or correlated, with a particular functional plant response, such as how plants use water efficiently. Alternatively, plants can differentiate along multiple trait dimensions. 

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Oregon Water Science Center

Oregon Water Science Center

The Oregon Water Science Center uses state-of-the-art techniques for data collection and interpretation. Scientists have expertise in all areas of water science, including: water quality, groundwater, surface water, and aquatic ecosystems.

Go to Science Center

Forest and Rangeland Ecosystem Science Center (FRESC)

Forest and Rangeland Ecosystem Science Center (FRESC)

FRESC's ecological research increases understanding of how biological systems function, how disturbances and threats affect species and habitats, and which methods most effectively promote restoration, conservation, and other management goals.

Go to FRESC