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May 19, 2022
Snow geese flew in a ragged V overhead, rasping as they looked down upon Alaska’s bumpy face for the first time in 2022. Nine hundred feet below, the Yukon River flowed by quietly, except for the dull thuds of icebergs skidding along the river bottom near the shore. Sensing a break in the ice traffic, U.S. Geological Survey hydrologist Heather Best — wearing chest waders with a hole she would soon discover — stepped into the river.
May 13, 2022
While most of the town was sleeping, the ice slipped out. Breakup happened on the Yukon River here at its first settlement in the United States at around 2 a.m. on Saturday, May 7, 2022. That’s when meltwater rushing from side creeks into the colossal groove of the Yukon lifted a winter-hardened sheet in front of the town.
May 12, 2022
Andy Bassich lives on the south bank of the Yukon River, about 12 miles downstream from Eagle, Alaska, the first community in America along the largest waterway in Alaska. Like all of the few-thousand people who live along the big river in Alaska, Bassich hopes that river ice formed by the cold air of winter will continue to disappear in a mushy fashion, one that does not cause flooding.
May 2, 2022
As much of Alaska’s landmass crosses the magical temperature threshold that turns ice and snow into water, it’s time to consider the state’s richness in a resource more essential to humans than oil or gas. Clear as gin, brown as iced tea or tinted aquamarine by glacial dust, Alaska’s freshwater supply is so abundant the numbers are hard to comprehend.
April 29, 2019
The southeast slope of Sinking Creek Mountain in Craig County, Virginia hosts what is certainly one of the largest landslide complexes in eastern North America–and possibly the least noticeable. Despite extending for 15 miles (25 km) along the mountainside…this group of translational blockslides was not documented until 1986 by Art Schultz of the USGS.
November 17, 2018
There have been amazing results and very exciting discoveries in the first two weeks of the expedition. Hear firsthand from the scientists and engineers how technology is empowering innovation and exploration in these unique hydrothermal vent fields.
October 18, 2018
This week’s post was inspired by the photo below. Seldom will you see such lovely patterns generated by tensional failure of any material, much less polyethylene! If this type of feature is unfamiliar, just google “plumose structures” and you’ll find all you need.
September 21, 2018
The south Indian state of Kerala used a new model of rescue and rehabilitation during worst floods of the century.
May 2, 2018
It was muddy… really, really, muddy. The cold February nights didn’t have much of a chance against the quick warming sunshine that had us in t-shirts before lunch.