THE KING TIDE EFFECT ON GOOD HARBOR BEACH

A preview of sea-level rise

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At high tide today (noon) there was no trace of the creek bed. The sea had risen to the level of the road. Surfers caught waves that took them right up to the base of the footbridge. You needed high boots to enter the beach via the bridge and one funny dog wouldn’t play fetch with his friend because he had to wade through several feet of water to exit the footbridge. The parking lot was almost entirely flooded, at least a foot deep in some locations

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Seaside Goldenrod is a plant worth noting in this situation. Not only is it a fantastic nectar-rich plant for Monarchs, bees, and many other species of pollinators but is also a reliable soldier in battling beach erosion. Notice in the Instagram the incoming tide swirling about the base of the plant. Seaside Goldenrod can grow in tidal zones where it is flooded twice daily. Year after year it reliably returns.

From The Washington Post, “Every year from November through February, the highest tides — called “king tides” — press onto the shores during full moons. This is a result of the enhanced gravitational pull from the full moon as well as Earth’s being closest to the sun in its orbit (at perihelion). The tides get even higher during supermoons, because that’s when the moon is closest to Earth (at perigee).”

Good Harbor Beach disappearing tidal river #gloucesterma #hightide #KingTide

A video posted by Kim Smith (@kimsmithdesigns) on

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