Discover the history and ecology of Iowa's Loess Hills. Discover the history and ecology of Iowa's Loess Hills. Road Trip Iowa is available to stream on pbs.org and the free PBS App, available on ...

What do glaciers and the Sahara Desert have in common? Both are sources of silt-size particles that interact with wind, sand, and vegetation to form loess deposits. Deflation, the lifting and removal ...

Seen from a distance, Iowa's Loess Hills may appear little different from other rolling countryside in the state. But spend an hour, a day, or a week exploring them, and the region's unique character ...

A new map showing the distribution of loess sediments in Europe has been published for the first time in 75 years, in digital format. Whether they are lime-grey or dark black, loess sediments and the ...

Learn about the origins of Iowa's unique Loess landscape through painting. Learn about the origins of Iowa's unique Loess landscape through painting. Road Trip Iowa is available to stream on pbs.org ...

Since 1999, China's Grain for Green project has greatly increased the vegetation cover on the Loess Plateau. Now that erosion levels have returned to historic values, vegetation should be maintained ...