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Mississippi River

Mississippi River levee at Gretna, La.
Posted inResearch Spotlights

Algorithm Detects Thousands of Missing Levees from U.S. Database

by Rachel Fritts 17 June 202229 June 2022

An existing levee database accounts for just one fifth of the country’s actual total levee count, limiting the study of how these embankments affect riparian ecosystem health in the United States.

Two figures comparing organic carbon fluxes in a natural river (top) versus an engineered river with artificial levees (bottom).
Posted inEditors' Highlights

How River Engineering Alters Carbon Cycling

by Susan Trumbore 23 March 202127 January 2022

Artificial levees in the Lower Mississippi River bypass floodplain processing and increase delivery of carbon to the ocean.

A dredge works through the night to clear shoaling along the Mississippi River at New Orleans.
Posted inFeatures

High Water: Prolonged Flooding on the Deltaic Mississippi River

by N. M. Gasparini and B. Yuill 20 March 202010 February 2022

Changing climate and land use practices are bringing extended periods of high water to the lower Mississippi River. New management practices are needed to protect people, industry, and the land.

Green, grassy wetlands along Louisiana’s coast
Posted inNews

Diverting the Mississippi River May Not Save Louisiana’s Coast

by Kate Wheeling 18 September 201910 February 2022

New research finds that man-made river diversions have previously led to land losses.

The Mississippi River with the Fort St. Philip Crevasse complex shown to the right.
Posted inFeatures

Rethinking the River

by A. S. Kolker, A. M. Dausman, M, A. Allison, G. L. Brown, P. Y. Chu, K. de Mutsert, C. E. Fitzpatrick, J. R. Henkel, D. Justic, B. A. Kleiss, E. McCoy, E. Meselhe and C. P. Richards 19 June 201811 February 2022

The Mississippi River and its delta and plume provide insights into research-informed approaches to managing river-dominated coastal zones.

The 1927 flood on the Lower Mississippi River was one of the most destructive in U.S. history.
Posted inResearch Spotlights

Reimagining a Fatal Flood

by Kate Wheeling 17 March 201618 February 2022

Researchers use high-resolution simulations to reexamine the rainfall events that led to one of the most destructive floods in U.S. history.

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