Surfing in / Erosion

Unintended consequences of dams and reservoirs

Dam, Erosion, News
Nov
13

An international team of drought scientists show that while many dams and reservoirs are built, or expanded, to alleviate droughts and water shortages, they can paradoxically contribute to making them worse.

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The Caribbean island of Mayreau could be split in two due to erosion

After years of erosion by the waves, people living on Mayreau, an island in the southern Grenadines, are confronted with the real possibility that the sea will split their island in two, and destroy its world famous Salt Whistle Bay.

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Hydropower, innovations and avoiding international dam shame

Dam, Erosion, Inform
Nov
5

The benefits of energy from dams no longer outweigh the social and environmental costs that damming up rivers brings about.

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Maui more susceptible to erosion from rising sea levels

Maui lands vulnerable to erosion are more than double previous projections, according to a new University of Hawaii study released last month.

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Hurricane Florence – Preliminary Assessment for Bogue Banks Oceanfront (9/16/18)

Erosion, News
Sep
17

Florence becomes the storm of record (twice) for high water level at the Beaufort tide gage. See before and after photo slideshow.

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USGS: Florence Likely to Cause Short- and Long-Term Beach Erosion

Erosion, News
Sep
12

Initial effect will probably be erosion on 75 percent of North Carolina beaches, experts say.

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Elwha River Still Changing Five Years After World’s Largest Dam-Removal Project: More than 20 million tons of sediment flushed to the sea

Erosion, Inform
Sep
9

Starting in 2011, the National Park Service removed two obsolete dams from the Elwha River in Olympic National Park, Washington. It was the world’s largest dam-removal project. Over the next five years, water carrying newly freed rocks, sand, silt and old tree trunks reshaped more than 13 miles of river and built a larger delta into the Pacific Ocean.

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Taking stock of the world’s sandy beaches

Erosion, Inform
Aug
2

About 31 percent of the world’s coastlines are sandy. Africa has the highest proportion of sandy beaches (66 percent) and Europe has the lowest (22 percent). Researchers found that beaches in Australia and Africa have experienced more erosion than growth. The opposite is true on all other continents, where beaches are generally growing…

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A mourning orca mother carried her dead baby for days through the ocean

A grieving mother orca near Vancouver Island has been carrying her dead calf for four days, after refusing to leave her baby behind when the rest of her pod left. The sad display speaks to something deeper. Killer whales eat salmon, and a number of human practices, such as damming rivers, have taken a toll on native salmon populations.

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