1. Department of Geological SciencesUniversity of Florida Gainesville Florida USA
2. GEOTOP and Department Chemistry and BiochemistryConcordia University Montreal Quebec Canada
3. Department of Earth and Environmental SciencesTulane University New Orleans Louisiana USA
4. The Water Institute of the Gulf Baton Rouge Louisiana USA
5. Department of Oceanography and Coastal SciencesLouisiana State University Baton Rouge Louisiana USA