My 2015 King Tide Project – Swell Matters

I have a fascination with very high and very low tides. Who doesn’t – they’re rare events and when they occur, things happen. Low tides are great for the naturalist; everybody’s out digging clams and exploring rarely exposed beaches and tidepools. Very high tides catch just about everybody’s attention. Coastal flooding and beach erosion can…

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Sampling Surfperch on the Incoming Tide

I’m always getting asked how several species of closely related small silvery surfperch can share sandy beaches without tripping over each other.  How do they partition the surf zone?  Do they eat different prey, avoid each other?  Maybe they find other ways to coexist.  Our fascination with coexistence is well-founded; it explains why there are…

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King Tide

King Tide arrives on theoutershores around Christmas each year. These are the highest spring tides of the year. Low lying infrastructure gets flooded, beach debris is mobilized and there are King Tide photo initiatives all around the world. All the photos in this post were taken on December 12, 2012 when the daytime high tide was 10.4′…

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Turkish Towel

On August 19, 2012, high tide brought a lot of marine algae up into the wrack. Most were species normally attached to rocky or substrate or cobble. This material was detached, which was kind of surprising because there had been no recent storms or damaging waves. Nevertheless, there it was. Above is a nice big…

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High, Low & In-between

When I’m exploring the outer shores, it’s all about the tides. What it feels like, what you see, even your safety, are all dependent on the tides. I took this photo on October 18, 2009, a little after high tide. High tide was 9.5′, a pretty high tide. I remember wanting to make sure I…

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