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Mailing and Contact Information:

Director, Earth Scan Laboratory, Coastal Studies Institute
308A Howe-Russell Geosciences Complex
Department of Oceanography and Coastal Sciences
Louisiana State University
Baton Rouge, LA - 70803

Tel:225-578-5331
Fax:225-578-2520
E-mail: nwalker@lsu.edu

 

Nan D. Walker
Associate Professor
   

Education:

  • Ph. D. University of Cape Town, Physical Oceanography, 1989
  • M. S. Louisiana State University, Marine Sciences, 1982
  • B. S. Duke University, Marine Zoology, 1976


Research Interests:

  • Gulf of Mexico Loop Current and eddy circulation processes
  • Satellite oceanography
  • Physical processes of estuaries, coastal regions, river plumes and upper ocean mixed layer
  • Air-sea interactions associated with tropical and extra-tropical storms
  • Coastal upwelling
  • Physical processes affecting coral reef structure and health
  • Ocean climatology



  • Grants:

    • Walker, N. (Co-P.I.) Impact of Hurricane Katrina on the Lake Pontchartrain ecosystem: geochemistry, microbiology, and potential human health effects, (P.I., A. Hou,), National Science Foundation, 9/2005-9/2006, $199,000, funded.
    • Walker, N. (P.I.), The Center for Coastal Zone Assessment and Remote Sensing, NASA (Subcontract from Southern University), 2/2003-2/2008, LSU budget $960,000, funded.
    • Walker, N. (P.I.), New remote sensing methodologies for the surveillance of ocean features and improved understanding of circulation processes in the Gulf of Mexico, Minerals Management Service Coastal Marine Institute, (of multi-institutional project), September 2002-September 2007, $346,383, funded.
    • Walker, N. (P.I.), Deep Water Currents at 92W, Minerals Management Service Coastal Marine Institute, 7/99-2006, $553,286, funded.
    • Walker, N. (co-P.I.), Assessment and remediation of public health impacts due to hurricanes and major flooding events, LA Board of Regents (P.I., Ivor van Heerden), April 2002-March 2007, $107,810, funded.

    Recent Publications:


    1. Walker, N.D. and N. N. Rabalais, Relationships among satellite chlorophyll a, river inputs and hypoxia on the Louisiana continental shelf, Gulf of Mexico, Estuaries and Coasts, in press.

    2. Walker, Nan D., Alaric Haag, Shreekanth Balasubramanian, Robert Leben, Ivor van Heerden, Paul Kemp, Hassan Mashriqui, Hurricane Prediction: A Century of Advances, Oceanography, 19, 24-36, 2006.

    3. Walker, N.D., R.R. Leben, S. Balasubramanian, Hurricane-forced upwelling and chlorophyll a enhancement within cold-core cyclones in the Gulf of Mexico, Geophysical Research Letters, 32, L18610, doi:10.1029/2005GL023716, 2005.

    4. Walker, Nan D., William J. Wiseman, Lawrence J. Rouse, Jr., and Adele Babin, Seasonal and wind-forced changes in surface circulation, suspended sediments, and temperature fronts of the Mississippi River plume, Louisiana, Journal of Coastal Research, 21, 1228-1244, 2005.

    5. Walker, Nan, Wind- and Eddy-Related Shelf/Slope Circulation Processes and Coastal Upwelling in the Northwestern Gulf of Mexico, in: Circulation in the Gulf of Mexico, Wilton Sturges III and Alexis Lugo-Fernandez, Eds., American Geophysical Union Monograph, 295-314, 2005.

     

     




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