1. Department of Geological Sciences and Institute of Arctic and Alpine Research University of Colorado Boulder Boulder CO USA
2. Faculty of Earth Sciences University of Iceland Reykjavík Iceland
3. Programa de Postgrado en Oceanografía Departamento de Oceanografía Facultad de Ciencias Naturales y Oceanográficas Universidad de Concepción Concepción Chile
4. Departamento de Oceanografía Universidad de Concepción Concepción Chile
5. Millennium Institute of Oceanography Universidad de Concepción Concepción Chile
6. Department of Geology and Geophysics University of Utah Salt Lake City UT USA
7. Now at the Department of Geosciences Smith College Northampton MA USA