1. U.S. Geological Survey, PCMSCSanta Cruz CA USA
2. Institute of Earth Sciences, St. Petersburg State UniversitySt. Petersburg Russia
3. Ocean SciencesUniversity of California at Santa CruzSanta Cruz CA USA
4. Department of OceanographyTexas A&M UniversityCollege Station TX USA
5. VNIIOkeangeologiaSt. Petersburg Russia
6. U.S. Geological Survey, Woods Hole Science CenterWoods Hole MA USA
7. Chemistry DepartmentHumboldt State UniversityArcata CA USA