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Cited by 105Hydrology and Sediment Transport ProcessesCoastal wetland ecosystem dynamicsCoastal and Marine Dynamics

The Impacts of Pulsed Reintroduction of River Water on a Mississippi Delta Coastal Basin

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Day, J. W., Cable, J. E., Cowan, J. H., DeLaune, R., de Mutsert, K., Fry, B., Mashriqui, H., Justic, D. +9 more·2009·Journal of Coastal Research
DOI 10.2112/si54-015.1
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Abstract

During the twentieth century about 25% of the wetlands of the Mississippi delta was lost, partially a result of isolation of the river from the delta. River diversions are being implemented to reintroduce river water to the delta plain. We synthesize here the results of extensive studies on a river diversion at Caernarvon, Louisiana, one of the largest diversions in the delta.

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  • Where human development isolates ecosystems from natural physical processes, restoration causes an interim period of disruptive hydrologic and sedimentary change.

    “Where human development isolates ecosystems from natural physical processes, restoration causes an interim period of disruptive hydrologic and sedimentary change (Day et al. 2009).”

    From Applying cumulative effects to strategically advance large‐scale ecosystem restoration (2021) · cites this paper as Day et al. 2009

    The Introduction describes levees and closed distributaries isolating Mississippi Delta wetlands from river input. The Summary, Conclusions, and Recommendations reports that reintroducing river water changed freshwater flow and sediment delivery in Breton Sound. It does not establish that restoration generally causes an interim period of disruptive hydrologic and sedimentary change. Page numbers are unavailable in our copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured

  • Water diverted during rising or peak river stages delivers at least twice as much sediment as during falling stages.

    “River stage and trend are key factors in timing pulses, because water diverted during rising or peak stages delivers at least twice as much sediment than it does during falling stages (WebTable 1; Day et al. 2009).”

    From Applying cumulative effects to strategically advance large‐scale ecosystem restoration (2021) · cites this paper as Day et al. 2009

    The Summary, Conclusions, and Recommendations says that diversions during rising or peak Mississippi River stages can deliver two or more times as much sediment per unit of water as diversions during falling stages. The claim presents that potential, per-unit comparison as an unqualified rule; the Suspended Sediment Delivery section reports the underlying comparison of two spring 2003 pulses. (LLM, conf=0.84)

    Experimental — accuracy not yet measured

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Authors
Day, J. W., Cable, J. E., Cowan, J. H., DeLaune, R., de Mutsert, K., Fry, B., Mashriqui, H., Justic, D., Kemp, P., Lane, R. R., Rick, J., Rick, S., Rozas, L. P., Snedden, G., Swenson, E., Twilley, R. R., & Wissel, B.
Affiliations
  • Louisiana State University (US)
  • NOAA National Weather Service (US)
  • National Audubon Society (US)
  • NOAA National Marine Fisheries Service (US)
  • University of Regina (CA)
ORCID
Venue
Journal of Coastal Research
Publisher
Coastal Education and Research Foundation
Published
2009-11
Volume
10054
Pages
225-243
ISSN
  • 0749-0208 (ISSN-L)
  • 1551-5036
DOI
10.2112/si54-015.1
OpenAlex
W2126588046
Cited by
105
References
0
Citations by year
2026: 4 · 2025: 8 · 2024: 4 · 2023: 6 · 2022: 2 · 2021: 1 · 2020: 6 · 2019: 8 · 2018: 3 · 2017: 5 · 2016: 6 · 2015: 6 · 2014: 13 · 2013: 12 · 2012: 6
FWCI
5.68
Type
journal article
Language
en
Open access
Locations
  • Journal of Coastal Research (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
  • Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut) (submittedVersion)
  • Griffith Research Online (submittedVersion)
Topics
  • Physical Sciences › Environmental Science › Ecology › Hydrology and Sediment Transport Processes
  • Physical Sciences › Environmental Science › Ecology › Coastal wetland ecosystem dynamics
  • Physical Sciences › Earth and Planetary Sciences › Earth-Surface Processes › Coastal and Marine Dynamics
Keywords
river diversion, Mississippi Delta, coastal wetland loss, coastal basins, wetland restoration

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