Wednesday, Oct. 25, 2017

Watery wake

Irma's lasting mark could be ruined Florida wilderness

Hurricane Irma increased concerns over the aging Herbert Hoover dike around Lake Okeechobee, raising water by 3.5 feet in the days after the storm. This week for the first time, water started receding, allowing the U.S. Army Corps of Engineers to stop massive releases through gates at Port Mayaka, pictured here. (PEDRO PORTAL pportal@miamiherald.com)

Miami Herald

Miami Herald & WPTV West Palm Beach

When Hurricane Irma charged across Florida last month, coastal communities drew most headlines. But inland Lake Okeechobee also took a hit. Lake levels already high from the wettest rainy season in 86 years shot up, raising concerns about the shallow lake’s aging dike. Although the Army Corps of Engineers finds the dike to be sound, and as lake levels drop, a second blow could come from decomposing cattails, which generate nutrients that fuel algae blooms.

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Harvey leaves behind a muddy trail of toxic spread

NPR

The floodwaters from Hurricane Harvey had to go somewhere. The storm dumped 50 inches of rain on parts of Houston in late August. In the weeks since, the water has drained away, but scientists believe many of the contaminants it carried have not. Sediment can tell scientists a lot about a flood — and the very amount of mud can reveal things about how the storm played out.

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Delta Native Americans could be climate refugees

Phys.org & L.A. Daily News

Rising sea levels and human activities are fast creating a "worst case scenario" for Native Americans of the Mississippi Delta who stand to lose not just their homes, but their irreplaceable heritage, to climate change. The story of what this and other bands of Native Americans are experiencing will be presented Monday at the meeting of the Geological Society of America in Seattle.

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