Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 35, Issue 23, Pages -Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1029/2008GL035987
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Funding
- NSF [0229578, 0552364]
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [0552364] Funding Source: National Science Foundation
- Directorate For Geosciences
- Division Of Earth Sciences [0229578] Funding Source: National Science Foundation
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Along > 4000 km of the Mississippi River system, we document that climate, land-use change, and river engineering have contributed to statistically significant increases in flooding over the past 100-150 years. Trends were tested using a database of > 8 million hydrological measurements. A geospatial database of historical engineering construction was used to quantify the response of flood levels to each unit of engineering infrastructure. Significant climate-and/or land use-driven increases in flow were detected, but the largest and most pervasive contributors to increased flooding on the Mississippi River system were wing dikes and related navigational structures, followed by progressive levee construction. In the area of the 2008 Upper Mississippi flood, for example, about 2 m of the flood crest is linked to navigational and flood-control engineering. Systemwide, large increases in flood levels were documented at locations and at times of wing-dike and levee construction. Citation: Pinter, N., A. A. Jemberie, J. W. F. Remo, R. A. Heine, and B. S. Ickes (2008), Flood trends and river engineering on the Mississippi River system, Geophys. Res. Lett., 35, L23404, doi:10.1029/2008GL035987.
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