Flood threats changing across U.S.

University of Iowa study finds flood risk growing in the northern U.S., declining in the South.

The risk of flooding in the U.S. is changing regionally, and the reasons could be shifting rainfall patterns and the amount of water in the ground.

In a new study, University of Iowa engineers determined that, in general, the threat of flooding is growing in the northern half of the U.S. and declining in the southern half. The American Southwest and West, meanwhile, are experiencing a decreasing flood risk.

University of Iowa engineers Gabriele Villarini and Louise Slater comp

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