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Updated: 2 hours 51 min ago

NASA calculated heavy rainfall leading to California mudslides

Fri, 12/01/2018 - 04:40
Winter rains falling on recently burned ground triggered deadly mudslides in Santa Barbara County, California on Jan. 9. NASA calculated the amount of rain fall between Jan. 8 and 10, 2018 and calculated the potential for landslides.

How much soil goes down the drain: New data on soil lost due to water

Fri, 15/12/2017 - 18:10
According to a new study, almost 36 billion tons of soil is lost every year due to water, and deforestation and other changes in land use make the problem worse. The study also offers ideas on how agriculture can change to become a part of the solution from being part of the problem.

The planet’s largest landslides happen on submarine volcanoes

Tue, 12/12/2017 - 17:48
Large volume submarine landslides, triggered by the inception and growth of submarine volcanos, represent among the largest mass movements of sediment on Earth’s surface. These landslides could potentially cause tsunamis, and represent a significant, and as yet unaccounted for marine hazard.

One in ten historic coastal landfill sites in England are at risk of erosion

Thu, 16/11/2017 - 01:52
There are at least 1,215 historic coastal landfill sites in England, mostly clustered around estuaries with major cities, including Liverpool, London, and Newcastle on Tyne. An investigation by researchers finds that 122 sites are at risk of starting to erode into coastal waters by 2055 if not adequately protected.

Changing climate to bring more landslides on logged land, say researchers

Thu, 09/11/2017 - 15:32
Researchers say landslides on logged forests will be more widespread as the Northwest climate changes. In a study modelled on clear-cut lands on the Olympic Peninsula, they anticipate the climate of 2045 and conclude that there will be a 7 -11 percent increase in the land that is highly vulnerable to landslides. The researchers say their findings are applicable to the Cascade Mountain Range area as well.

First coast-to-coast land motion map of Scotland derived from satellite radar images

Tue, 07/11/2017 - 18:29
Using hundreds of satellite radar images a research team has created a complete map of mainland Scotland.

Scientists identify hotspots of coastal risks in Latin America and the Caribbean

Thu, 02/11/2017 - 20:10
The catastrophic 2017 hurricane season provided ample demonstrations of the vulnerability of populations and infrastructure in coastal areas to natural disasters. A new study identifies hotspots of coastal risks throughout Latin America and the Caribbean.

Sea-level rise, not stronger storm surge, will cause future NYC flooding

Mon, 23/10/2017 - 23:25
Rising sea levels caused by a warming climate threaten greater future storm damage to New York City, but the paths of stronger future storms may shift offshore, changing the coastal risk for the city, according to a team of climate scientists.

Why did the 2014 Oso, WA, landslide travel so far?

Mon, 23/10/2017 - 23:25
On Saturday, 22 March 2014, a devastating landslide roared across the North Fork of the Stillaguamish River, near Oso, Washington. The landslide killed 43 people as it plowed through the Steelhead Haven neighborhood. When it stopped, after crossing the river, the neighborhood, and State Route 530, the Oso landslide had traveled 1.4 kilometers.

Salmon sex linked to geological change

Thu, 19/10/2017 - 15:08
It turns out that sex can move mountains. Researchers have found that the mating habits of salmon can alter the profile of stream beds, affecting the evolution of an entire watershed. The study is one of the first to quantitatively show that salmon can influence the shape of the land.

Forest grazing counteracts the effectiveness of trees to reduce flood risk

Tue, 10/10/2017 - 16:46
Planting trees can reduce flood risk, but a high intensity forest land use, such as grazing, can counteract the positive effect of the trees, a recently published study suggests. The study investigated the rate that water infiltrated the soil under trees at an experimental agroforestry site in Scotland.

Preservation of floodplains is flood protection

Wed, 27/09/2017 - 15:23
The silting of rivers and streams leads to problems for fish, mussels, and other aquatic organisms because their habitats disappear. However, not only intensive agriculture and erosion are destroying these habitats. Now a study refutes this widespread view. In order to save the species living in the river basin -- and protect people from the threat of floods -- rivers need more space, diversity, and freedom.