Articles on Erosion

Displaying 1 - 20 of 68 articles

A researcher checks on corals in Banco Chinchorro, off Quintana Roo, Mexico. Lorenzo Alvarez-Filip

Many of the Caribbean’s most important reefs are going unprotected

Healthy coral reefs can significantly reduce hurricane damage for coastlines, yet many still face harms, including pollution and ship damage, that people have the power to stop.
Part of the Fraser River in British Columbia between Hope and Agassiz, in July 2020. It is estimated that more than half of the gravel sections along the river have been hardened with riprap. THE CANADIAN PRESS/Darryl Dyck

Overuse of riprap to prevent riverbank erosion is harming B.C. rivers

Riprap can bury the spawning habitats of fish, increase river temperatures and exacerbate erosion elsewhere. There are alternative ways to stabilize riverbanks.
A motorist stops to survey the damage to a washed-out roadway near McKay Section, N.S. on July 23, 2023. A long procession of intense thunderstorms dumped record amounts of rain across a wide swath of Nova Scotia, causing flash flooding, road washouts and power outages. THE CANADIAN PRESS/Darren Calabrese

Flood risk mapping is a public good, so why the public resistance in Canada? Lessons from Nova Scotia

Public concerns for real estate value, and a focus on the self, make flood risk maps unpopular. However, these concerns should not dissuade governments from providing resources we can all trust.
Water from the Mackenzie River, seen from a satellite, carries silt and nutrients from land to the Arctic Ocean. Jesse Allen/NASA Earth Observatory

Arctic rivers face big changes with a warming climate, permafrost thaw and an accelerating water cycle − the effects will have global consequences

A new study shows how thawing permafrost and intensifying storms will change how water moves into and through Arctic rivers.

Top contributors

More