Coastal Habitats in Puget Sound
Science Center Objects
A Pacific Northwest icon, Puget Sound is the second-largest estuary in the United States. Its unique geology, climate, and nutrient-rich waters produce and sustain biologically productive coastal habitats. These same natural characteristics also contribute to a high quality of life that has led to growth in human population and urbanization. This growth has played a role in degrading the Sound, including declines in fish and wildlife populations, water-quality issues, and changes in coastal habitats. Natural resource managers look to the USGS as a critical science resource needed to solve problems in this important ecosystem.
The deterioration of the Puget Sound nearshore is of special concern — the area extending from the top of shoreline bluffs to a depth offshore where sunlight does not reach the bottom, and upstream in estuaries to the head of tidal influence. It includes bluffs, beaches, mudflats, kelp and eelgrass beds, salt marshes, gravel spits, and estuaries. Because the nearshore is one of the most productive parts of the Sound, improved understanding of it is vital to restoration and preservation of the entire Sound.
To develop a restoration program, Federal, State, Tribal, and local governments, non-governmental organizations, universities, and private industry joined in 2001 to create the Puget Sound Nearshore Ecosystem Restoration Project (PSNERP). In December 2005, protection and restoration of Puget Sound was expanded in scope with the creation of the Puget Sound Partnership. As a task force within the Governor of Washington's Puget Sound Initiative, the Puget Sound Partnership's goal is to develop recommendations to restore the Sound by 2020.
The overall scientific goal of the CHIPS project is to provide scientific support for ecosystem recovery activities in Puget Sound. Through its diverse studies, the CHIPS project strives to demonstrate a structure and process for conducting interdisciplinary ecosystem science.
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Date published: September 6, 2019Status: ActivePS-CoSMoS: Puget Sound Coastal Storm Modeling System
The CoSMoS model is currently available for most of the California coast and is now being expanded to support the 4.5 million coastal residents of the Puget Sound region, with emphasis on the communities bordering the sound.
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Date published: November 8, 2019Status: ActiveUsing Video Imagery to Study Coastal Change: Whidbey Island
Video cameras overlook the coast along a beach on Whidbey Island, Island County at the northern boundary of Puget Sound in western Washington.
Contacts: Eric Grossman -
Date published: July 15, 2019Status: ActiveEstuaries and large river deltas in the Pacific Northwest
Essential habitat for wild salmon and other wildlife borders river deltas and estuaries in the Pacific Northwest. These estuaries also support industry, agriculture, and a large human population that’s expected to double by the year 2060, but each could suffer from more severe river floods, higher sea level, and storm surges caused by climate change.
Polycyclic aromatic hydrocarbons, polychlorinated biphenyls, and metals in ambient sediment at mussel biomonitoring sites, Puget Sound, Washington
Caged mussels used as biomonitors can provide insights about ambient contaminant assemblages and spatial patterns, sources of contaminants, and contaminant exposure risks for consumers of wild and farmed mussels. This study explored the potential role of ambient sediment in the uptake of polycyclic aromatic hydrocarbons (PAHs), polychlorinated...
Takesue, Renee K.; Campbell‐Swarzenski, Pamela L.; Conn, Kathleen E.
Extreme coastal water level in Washington state: Guidance to support sea level rise planning
This document provides guidelines for assessing exposure to future coastal flooding during extreme coastal water level events – whether these are due to tides, surge, wave run-up, or, more likely, a combination of the three. These guidelines provide information about the current and future magnitude of extreme coastal water levels across...
Yang, Z.; Mauger, G.S.; Morgan, H.F.; Miller, I.M.; vanArendonk, N.R.; Grossman, Eric
Sediment storage and transport in the Nooksack River basin, northwestern Washington, 2006–15
The Nooksack River is a dynamic gravel-bedded river in northwestern Washington, draining off Mount Baker and the North Cascades into Puget Sound. Working in cooperation with the Whatcom County Flood Control Zone District, the U.S. Geological Survey studied topographic, hydrologic, and climatic data for the Nooksack River basin to document recent...
Anderson, Scott W.; Konrad, Christopher P.; Grossman, Eric E.; Curran, Christopher A. Polychlorinated biphenyls (PCBs) in the Pacific sand lance, Puget Sound, Washington
Forage fish are small, abundant, schooling planktivores that form a critical link in marine food webs by transferring energy from plankton up to birds, fishes, and marine mammals. Forage fishes in Puget Sound include the iconic Pacific herring as well as lesser known species such as surf smelt and the Pacific sand lance. There are significant...
Liedtke, Theresa; Conn, Kathleen; Dinicola, Richard; Takesue, Renee Sources, timing, and fate of sediment and contaminants in the nearshore: insights from geochemistry
Rivers in Cascade watersheds carry sediment with a volcanic composition that is distinct from the plutonic composition of the Puget lowlands. Compositional properties (signatures) allow discrimination of river-sourced Cascade from lowland sediment, and inferences about transport pathways. Surface sediment on land contains atmospheric radionuclides...
Takesue, Renee K.; Conn, Kathleen E.; Dutch, Margaret
Contaminant baselines and sediment provenance along the Puget Sound Energy Transport Corridor, 2015
The transport of coal and oil can result in contaminated soil, water, and organisms from unintended releases. Trains carrying coal and crude oil regularly pass through Puget Sound, Washington, and an increase in the number of coal and oil trains is expected in the future. This study characterized levels of potentially toxic contaminants in...
Takesue, Renee K.; Campbell, Pamela L. Conceptualizing ecological responses to dam removal: If you remove it, what's to come?
One of the desired outcomes of dam decommissioning and removal is the recovery of aquatic and riparian ecosystems. To investigate this common objective, we synthesized information from empirical studies and ecological theory into conceptual models that depict key physical and biological links driving ecological responses to removing dams. We...
Bellmore, J. Ryan; Pess, George R.; Duda, Jeffrey J.; O'Connor, Jim E.; East, Amy E.; Foley, Melissa M.; Wilcox, Andrew C.; Major, Jon J.; Shafroth, Patrick B.; Morley, Sarah A.; Magirl, Christopher S.; Anderson, Chauncey W.; Evans, James E.; Torgersen, Christian E.; Craig, Laura S. Geomorphic evolution of a gravel‐bed river under sediment‐starved vs. sediment‐rich conditions: River response to the world's largest dam removal
Understanding river response to sediment pulses is a fundamental problem in geomorphic process studies, with myriad implications for river management. However, because large sediment pulses are rare and usually unanticipated, they are seldom studied at field scale. We examine fluvial response to a massive (~20 Mt) sediment pulse released by...
East, Amy E.; Logan, Joshua B.; Mastin, Mark C.; Ritchie, Andrew C.; Bountry, Jennifer A.; Magirl, Christopher S.; Sankey, Joel B. Do we know how much fluvial sediment reaches the sea? Decreased river monitoring of U.S. coastal rivers
Given the present and future changing climate and human changes to land use and river control, river sediment fluxes to coastal systems are changing and will continue to change in the future. To delineate these changes and their effects, it is increasingly important to document the fluxes of river-borne sediment discharged to the sea....
Warrick, Jonathan A.; Milliman, John D. Juvenile Chinook salmon and forage fish use of eelgrass habitats in a diked and channelized Puget Sound River Delta
Eelgrass Zostera marina can form extensive meadows on Puget Sound river deltas. The extent to which these meadows provide critical rearing habitat for local estuarine fishes, especially out‐migrating juvenile salmon, is not well understood. Further, delta eelgrass has been impacted by diking and river channelization with unknown...
Rubin, Stephen P.; Hayes, Michael C.; Grossman, Eric E.
Science partnership between U.S. Geological Survey and the Lower Elwha Klallam Tribe—Understanding the Elwha River Dam Removal Project
After nearly a century of producing power, two large hydroelectric dams on the Elwha River in Washington State were removed during 2011 to 2014 to restore the river ecosystem and recover imperiled salmon populations. Roughly two-thirds of the 21 million cubic meters of sediment—enough to fill nearly 2 million dump trucks—contained behind the dams...
Duda, Jeffrey J.; Beirne, Matt M.; Warrick, Jonathan A.; Magirl, Christopher S. Investigation of input reduction techniques for morphodynamic modeling of complex inlets with baroclinic forcing
The Mouth of the Columbia River (MCR) is a complex estuary inlet system characterized by a buoyant plume created by high freshwater flows from the Columbia River into the Pacific Ocean. Data obtained during two major field campaigns have resulted in a comprehensive dataset of hydrodynamics and sediment transport under high (2013) and low (2005)...
Gelfenbaum, Guy R.; Elias, Edwin; Stevens, Andrew W.-
Date published: January 1, 2019Wave observations from bottom-mounted pressure sensors in Bellingham Bay, Washington from Dec 2017 to Jan 2018
RBRduo pressure and temperature sensors (early 2015 generation), mounted on aluminum frames, were moored in shallow (< 6 m) water depths in Bellingham Bay, Washington, to capture wave heights and periods. Continuous pressure fluctuations are transformed into surface-wave observations of wave heights, periods, and frequency spectra at 30-minute intervals.
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Date published: January 1, 2019Wave observations from bottom-mounted pressure sensors in Skagit Bay, Washington from Dec 2017 to Feb 2018
RBRduo pressure and temperature sensors (early 2015 generation), mounted on aluminum frames, were moored in shallow (< 6 m) water depths in Skagit Bay to capture wave heights and periods. Continuous pressure fluctuations are transformed into surface-wave observations of wave heights, periods, and frequency spectra at 30-minute intervals.
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Date published: February 21, 2018High-resolution bathymetry and acoustic-backscatter data collected in 2004, 2005, 2007, and 2010 in Skagit Bay, Washington
This data release provides the USGS Pacific Coastal and Marine Science Center 2004, 2005, 2007, and 2010 bathymetry data that was collected in Skagit Bay, Washington as well as a merged 2005-2010 bathymetry grid. Also, this data release provides the acoustic-backscatter as a merged 2005-2010 backscatter image.
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Date published: February 7, 2018Data in support of 5-year sediment budget and morphodynamic analysis of Elwha River following dam removals
Dam removal changed the river's sediment budget and water flow, which affected the river's morphology. This data release presents digital elevation models, orthomosaic images, dam height measurements, sediment measurements, and river streamgage data that were collected to support studies on morphodynamic and sediment budget responses of the Elwha River to the removal of dams.
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Date published: January 1, 2018Inorganic compositional data for fine-grained Puget Sound sediment along the Burlington Northern Santa Fe rail line, September 2015
Nearshore surface sediment was collected with a petit ponar grab sampler between April 22 and September 17, 2015, at five sites in Puget Sound, Washington. Four sites were adjacent to the Burlington Northern Santa Fe rail line in urban and non-urban areas, and one site was in an urban area that was not adjacent to the rail line. Total and near-total major, minor, trace, and rare earth element...
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Date published: June 8, 2017Ecological parameters in the Elwha River estuary before and during dam removal
The Elwha and Glines Canyon dams were removed from the Elwha River in Washington State from 2011 to 2014. We collected data for a variety of metrics in the estuary and on the river delta before (2006-2011) and during (2012-2014) dam removal to assess how increased sediment transport and deposition affected habitats, vegetation, invertebrates, and fish.
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Date published: January 1, 2017
Bathymetry, topography, and sediment grain-size data from the Elwha River delta, Washington
This data release contains bathymetry and topography data from surveys performed on the Elwha River delta between 2010 and 2017. Sediment grain-size data are available for selected surveys performed after May 2012. This data release will be updated as additional bathymetry, topography, and surface-sediment grain-size data from future surveys become available.
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Date published: May 29, 2019USGS participates in Puget Sound Day on the Hill
Pacific Coastal and Marine Science Center director Guy Gelfenbaum and NW Region Staff Scientist Bill Labiosa represented the USGS in the Puget Sound Day on the Hill in Washington, D.C. May 14 - 16, 2019.
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Date published: May 30, 2018Video cameras monitor coastal change on Whidbey Island, Washington
Video cameras installed by the USGS Remote Sensing Coastal Change project overlook the coast on Whidbey Island, Washington, about 25 miles north of Seattle.