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Continue reading →: MODIS Reveals Major Sources of Sediment
It’s mud season in the Midwest and the MODerate Imaging Spectroradiometer (MODIS) 250m true color band beautifully displays the tell-tale sediment plumes entering western Lake Erie (left). Updates of Great Lakes MODIS imagery are available here MODIS is a multi-band imaging instrument mounted on two Earth-orbiting satellites, the Terra, and…
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Continue reading →: Iceberg Drag Marks on the Bottom of Glacial Lake Agassiz
The linear streaks shown on the aerial photograph to the right are believed to have been gouged by icebergs dragging on the bottom of wind swept Glacial Lake Agassiz. The streaks (Lat. 48 50′ 45″ N; Lon. 97 16′ 30″ W) are up to several miles long, hundreds of feet…
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Continue reading →: Three Poems and a Mountain Landscape
“…the stones would shout out” (Luke 19:38-40) The artists, writers, poets, and others (even scientists) have long sensed a connection between the full spectrum of human emotions and its perceived expression in nature. The result is use of nature with all that it offers: ocean depths, weather, seasons, rivers, deserts,…
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Continue reading →: “In the Arena” Ignores Technical Problems at Yucca Mountain
The cable television program In the Arena hosted by Eliot Spitzer is on CNN weeknights from 8 to 9. I think it’s a good news show and try to watch regularly. The last couple of nights, they’ve had segments on nuclear waste storage presented by CNN reporter Drew Griffin. The…
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Continue reading →: Mine Reclamation, Disequilibrium, and Selenium Contamination
At an Idaho phosphate mine, a lack of understanding of mineral weathering leads to selenium contamination, a major court ruling, and public liability. An article at Marten Law’s website, available here, focuses on a recent federal district court ruling that would make the government liable for contamination on public lands…
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Continue reading →: Introducing Jessica Drake
One of the best parts of being an earth scientist is exchanging perspectives with others who share our subject interests, and live and work in far-away places much different than our own. Since elementary school, I’ve been interested in Australia, so when I found and read Jessica Drake’s blog, Soilduck,…
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Continue reading →: Upbound on the Detroit River
“Upbound” photo by Mark J. Burrows, International Joint Commission, December 2010. I was struck by this photo of the Detroit skyline taken from across the river in Windsor. The river looks so calm when I’m used to seeing it wind swept and turbulent – a rough river for a rough…
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Continue reading →: Tar Sands, Phosphorus, and Playing Chess with Gorillas
Athabasca River – Grand Rapids (Photo David Dodge, Pembina Institute) Under Pressure An unexpected surface discharge of brine has prompted a call for better groundwater mapping in Canada. Renowned limnologist David Schindler recently had this to say following the discovery of brine seeping up into a mined-out tar sand basin:…
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