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January 22, 2024


Cumulative effects on southern resident killer whales and contaminants of emerging concern

The Salish Sea Science Roundtable series continues on February 6th with a look at the possible cumulative effects of emerging contaminants on endangered killer whale populations. The online session will be hosted by the Puget Sound Institute and facilitated by Joe Gaydos, chief scientist at the SeaDoc Society. About the event: Southern resident killer whales […]

January 19, 2024

Summer internship students">

Summer internships at PSI

Calling all UW undergrads: PSI is offering three paid student internships this summer. The jobs are sponsored by UW’s EarthLab with openings in the fields of science communication, oceanography, and policy research. The positions at PSI include: An Editorial Assistant Intern to help with the development of articles for the Encyclopedia of Puget Sound and […]

December 14, 2023


Survey looks at public knowledge of estuaries

“An estuary is a partially enclosed, coastal water body where freshwater from rivers and streams mixes with salt water from the ocean.” – U.S. Environmental Protection Agency Think of it as Puget Sound’s secret recipe. Fill a large glacier-carved basin with salt water from the ocean. Add fresh water from some adjoining rivers. Stir vigorously. […]

February 6, 2023


Scientists try to keep up with chemical blizzard entering Puget Sound

PSI researcher Andy James is Co-PI on two projects mentioned in a recent story from KUOW. James is part of a Puget Sound Partnership-funded study prioritizing some 350,000 chemical compounds related to their potential impact on organisms in the environment. James and Co-PI Ruth Sofield of Western Washington University are focusing on marine species, including southern resident killer whales. Their study will eventually extend to human health impacts. James is also working with Jennifer McIntyre (Washington State University), Suzanne Ball (formerly of Washington State University and now a consultant), and Jim Meador (NOAA retired) on a King County-sponsored study to understand the chemical constituents in wastewater effluent. The group will perform a laboratory exposure study to understand the physiological impacts of wastewater on juvenile Chinook.

December 5, 2022


Distinguishing climate change impacts from development impacts on summer low flows in Puget Sound streams

A report from the Puget Sound Institute examines potential impacts from human sources on summer stream flows. The study found little impact from impervious cover but heightened concerns over climate change. As climate change worsens, the report’s authors say, it could further amplify natural stream flow fluctuations not currently accounted for in climate change projections. “Uncertainties about future trends in low flows may have been underestimated,” the report reads. Co-authors include Nick Georgiadis and Kevin Bogue of PSI and Curtis DeGasperi of King County.