Surfing in / Erosion

Brazil judge says work can resume at Amazon dam

Erosion, News
Dec
17

A judge in Brazil on Friday revoked his own order to halt work on a controversial $11 billion dam in the Amazon region, a project that has been criticized by environmentalists and native groups.

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Thawing permafrost vents gases to worsen warming

Erosion, News
Nov
30

Massive amounts of greenhouse gases trapped below thawing permafrost will likely seep into the air over the next several decades, accelerating and amplifying global warming and coastal erosion, scientists warn.

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Sinking England, Video

All may seem calm on the beautiful stretches of british coastline, but there is a battle being fought on the beaches of Britain. It is a fight for survival against the mighty forces of the North Sea. Erosion of this coastline have been going on for thousands of years, but things have gotten much worst. The country is gradually tilting into the ocean.

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Brazil Court Refuses To Stop Work On Bel Monte Dam, Amazon

Erosion, News
Nov
11

The court upheld a legislative decree that authorized construction, which is opposed by environmentalists and Amazon Indian tribes who say the dam will cause massive destruction of fauna and flora in the area…

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Tangier Island: Another Disappearing Island In The Chesapeake Bay

Tangier Island lies in the middle of the Chesapeake Bay and is 92 miles (148km) southeast of Washington, DC. This small piece of land is barely above sea level and its 500 residents are fighting for its survival.

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The Condit Dam Breach

Erosion, News
Oct
26

For 95 years, the 125-foot high Condit Dam in rural Washington State held back the White Salmon River. In an historic effort, the dam was dramatically breached to restore, for the first time in a century, the waterway to fish and other aquatic organisms, as well as the birds and mammals that rely on them. The dam removal comes just weeks after dismantling began on the Elwha Dam a few hours to the north.

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Coastal Erosion, Trend or Extreme Events? Coastline Between Rio de Janeiro and Cape Frio, Brazil

Erosion, News
Oct
13

The coastline eastward from Rio de Janeiro up to Cape Frio is characterized by long and straight beach barriers frequently backed by lagoons and segmented by rocky headlands. No continental sediments are delivered to the continental shelf due to presence of the sandy beach barriers.

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Cliff Collapse Due To Coastal Erosion, A Video

Erosion, News
Oct
12

The landscape of an english coastline, in the Cornwall region, changed in just a few seconds when a rockfall caused by coastal erosion, sent a massive chunk of cliff tumbling into the sea. Capturing a cliff collapse on video is a rare event.

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Asymmetrical waves in barred beaches

Natural beaches often present a breaker bar that significantly affect physical phenomena like, for example, wave transformation, wave reflexion, energy dissipation due to breaking and wave reforming into the trough region.

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