Tag Archives: USA

2011 precipitation anomalies in USA

From US’s National Weather Service – big precipitation anomalies in US this past year.  The purple areas are extra wet, while the red areas are extra dry. update: “Normal” precipitation is derived from PRISM climate data, created at Oregon State … Continue reading

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Dammed Anthropocene

James Syvitski a geology professor at the University of Colorado created this 200-year compilation of dams built in the USA. He used it to illustrated his talk on the age of the human-shaped Earth at the Geological Society of London … Continue reading

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Inequality in the USA – driven by politics?

1) Multi-part Slate series  The Great Divergence 2010:What’s causing America’s growing income inequality? by Timothy Noah examines changes in inequality in the USA and evaluates multiple explanations.  He introduces the series by writing: In the late 1970s, a half-century trend … Continue reading

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Over fertilizing the world

Three faces of global over fertilization from agriculture in China and the USA, and its complex effects on food webs. 1) Chinese farmers are acidifying there soil by over applying fertilizer.  Acidic soils impede crop growth and amplify the leaching … Continue reading

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Mapping the USA’s food

The US Department of Agriculture (USDA) has introduced the Food Environment Atlas, a new web-based data visualization tool.  The atlas is an interactive online tool that allows people to visualize various food related information at the USA county level.  For … Continue reading

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Hydrological impact of biofuels

R. Dominguez-Faus and others analyze the impact of different biofuels on water in the USA in their article in Envir. Science and Technology, The Water Footprint of Biofuels: A Drink or Drive Issue? (doi:10.1021/es802162x).  The figure below, from the paper, … Continue reading

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Bureau of Reclamation adaptive management job

I was sent this job ad: The Bureau of Reclamation has an opening for a GS-13 Supervisory General Biologist in Salt Lake City, Utah. The selectee will serve as an understudy to the current Adaptive Management Group Chief for approximately … Continue reading

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Mapping farms in the USA

New York Times reports on the 2007 USA agricultural census to map US organic farms The map of organic farms in the United States is clustered into a few geographic centers, a strikingly different pattern than the map of all … Continue reading

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Mapping US Oil Imports over Time

Rocky Mountain Institute has created an animated map of US oil imports from 1973 to the present using google maps.  The map uses data from the Energy Information Agency’s to show oil flows from exporting countries in terms of volume … Continue reading

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Archetypical landscape of the USA

Jeff Cardille at the University of Montreal has a project METALAND that is eveloping more sophiticated ways of characterizing landscapes.  He presented some of his work on archetypical landscapes of the USA at the current Ecological Society of America meeting. … Continue reading

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