News tagged with mississippi river

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Modeling nutrient loss from Midwestern crop fields

In many Midwestern crop fields, excess water laden with nitrates drains into subsurface tile pipes and then flows into surface streams and rivers in the Mississippi River watershed. When the nutrient-rich field drainage reaches ...

dateFeb 05, 2015 in Environment
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Rescuing farmland after a flood

When levees fail, either naturally or as an intentional breach, as was the case on the Mississippi River in 2011, an orchestrated effort is made to remove or repair flood-damaged homes and other structures. A University of ...

dateJan 13, 2015 in Environment
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Improving bridge health condition data

On August 1, 2007, when a section of an eight-lane bridge on Interstate 35W in downtown Minneapolis plummeted into the Mississippi River, killing more than a dozen people, Visiting Associate Professor Zhigang Shen—like ...

dateOct 10, 2014 in Engineering
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Scientists find average but large Gulf dead zone

NOAA- and EPA-supported scientists have mapped the Gulf of Mexico dead zone, an area with low oxygen water, measuring 5,052 square miles this summer—approximately the size of the state of Connecticut. The measurements were ...

dateAug 04, 2014 in Environment
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