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April 10, 2025

The “unstructured grid” used in the Salish Sea Model allows for greater resolution (smaller triangles) when studying complex water circulation, such as around the Hood Canal bridge. Graphic: Tarang Khangaonkar">

Unpacking uncertainty: How experts recommend improving Puget Sound modeling

An external scientific review by independent experts is a common and valuable practice, particularly when the models have significant management implications. This ethos is why peer review is foundational to science in general. By providing an objective assessment, external reviewers can help ensure the models are robust and appropriate for the management decisions they’re being […]

March 28, 2025

Photo of a pod of killer whales swimming in blue water overlaid with a tournament bracket diagram">

Grand Uncertainties Madness

Join PSI’s bracket tournament––March 28 through April 9! What are the most important scientific research questions about Puget Sound ecosystem recovery? You decide! We are pitting 32 research questions head-to-head so that YOU can vote for the top research need for Puget Sound recovery! Is it a question about chemical pollution? Solutions to hard shoreline […]

March 27, 2025

A screenshot of our magazine Salish Sea Currents.">

EoPS has a new look!

You might have noticed that the Encyclopedia of Puget Sound looks especially awesome these days. We just released EoPS 2.0 with more vibrant colors, improved navigation and more modern features under the hood. You’ll still find the same great articles, but they will load a little faster and will play well with new browsers and smartphones. Take […]

December 16, 2024

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Protecting the health of people who eat fish: The long battle over water quality standards

Culminating more than a decade of fierce debate, Washington state officials formally adopted new water-quality standards for toxic chemicals to protect the health of people who eat fish from our local waterways. On its face, this action appears inconsequential, considering that these numerical criteria were already in place, having been imposed two years ago by […]

December 16, 2024

A distributary channel created by The Nature Conservancy as a shortcut for juvenile Chinook as they move from freshwater to saltwater environments. Photo: Sylvia Kantor/PSI">

Ask a scientist: What is a distributary channel?

In a natural state, a river passing through a floodplain will have many side channels and tendrils that distribute the water, fanning it out across the delta. However, these channels are often lost when rivers are diverted to make room for farmland or other human development. In many cases, even after the dikes and levees […]

September 20, 2024

A Bigg's killer whale passes by the author's boat near Protection Island. Photo by Eric Wagner.">

Publish or perish the thought: Orcas, seals, and a curious scientist

In 2022, more than three million scientific papers were published in about thirty thousand journals. This represented something like a 9% increase over the year before, and a 47% increase since 2016. “Academic publishing has a problem,” wrote Mark A. Hanson, the biologist at the University of Exeter who compiled these figures. “The last few […]