UMN researchers: More nature, less concrete to control Mississippi River flooding

UMN researchers: More nature, less concrete to control Mississippi River flooding

The concrete walls and barriers that line much of the Mississippi River along cities in the upper Midwest aren’t suited for managing floods.  Certain hot spots, including portions in St. Paul, brace for flooding each spring when the river frequently rises and enters city streets. Annual flood damage in the Upper Mississippi River Basin, from Minnesota south through Missouri, is massive. Each year, flooding from the river and its tributaries is e…