photo of Bettina throwing an instrumented drifter off the stern, RISE4 2006
Deploying a drifter,
RISE4 2006

Bettina Sohst

Assistant Specialist
Department of Ocean Sciences
University of California
1156 High Street
Santa Cruz, CA 95064
831-459-2682 (lab)
831-459-4882 (fax)
photo of Bettina with ice floating in the background,<br>Antarctica 2005
Enjoying the sunshine,
Antarctica 2005

CURRICULUM VITAE

EDUCATION

Universität Clausthal-Zellerfeld and Institute of Marine Sciences, Kiel; Germany.

Masters of Science, Chemistry

Thesis work on "Polychlorinated Biphenyls in Mussels (Mytilus edulis)" as well as Polychlorinated Biphenyls in various shark species.

PROFESSIONAL EXPERIENCE

2003-Present      Assistant Specialist; Technician; Shipboard and lab-based nutrient analysis. Thrives under adverse weather conditions at sea. Trace-Metal Chemistry/ Oceanography, University of California, Santa Cruz

2005-Present      Marine Science Technician for USAP/Raytheon Polar Services: Shipboard Technical Support on Antarctic Research Cruises

2001-2003  Project Assistant, Technician and Field team leader in Environmental Science/ Chemistry, Moss Landing Marine Laboratories, San Jose State University and California Fish & Game

1999-2001  Research Specialist; Technician conducting research in Trace-Metal Chemistry/Oceanography School of Marine Sciences, University of Maine

1996-1999  Junior Specialist; Technician; Trace-Metal Chemistry/ Oceanography, University of California, Santa Cruz

FIELD OF EXPERTISE

Nutrient Analysis using FIA: Planning, setup, analysis, maintenance, data preparation.

Trace-Metal Chemistry in seawater: Sampling, sample preparation, extraction and analysis.

Low-level seawater extraction and analysis for trace metals using Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) (and occasionally Graphite Furnace Atomic Absorption Spectroscopy).

Dissolved Oxygen Analysis.

Instrument maintenance and calibration onboard ship.

Research cruise deck and lab operations.

Clean room protocols and trace-metal clean procedures.

Metal analysis using Voltammetric methods.

Metal bioassay manipulation experiments.

Planning and leading field sampling for various environmental analytes in water and sediment samples for the California-wide SWAMP project.

Methylmercury, Chlorophyll, TSS analysis.

Microwave Digestion methods for trace metal analysis.

Radioactive isotope tracer experiments.

Analysis of PCBs in sharks.

Research Diving.

Website design.

Photography.

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OCEANIC RESEARCH CRUISES

2006         RVIB Nathaniel B. Palmer (Ross Sea, Antarctica)

2006         R/V Wecoma (Columbia River Plume, Oregon and Washington coast)

2006         Laurence M. Gould (Drake Passage, Palmer Station, Antarctica)

2005/06     RVIB Nathanial B. Palmer (Ross Sea, Antarctica)

2005         R/V Wecoma (Columbia River Plume-low flow, Oregon and Washington coast)

2005         R/V Wecoma (Columbia River Plume-high flow, Oregon and Washington coast)

2005         R/V Roger Revelle (South Pacific to 71° S)

2004         R/V Melville (Mid Pacific gyre)

2004         R/V Wecoma (Columbia River Plume, Oregon and Washington coast)

2004         R/V Point Sur (Monterey Bay, California and Oregon coast)

2003         R/V Knorr (Woods Hole to Trinidad and back)

2003         R/V Kilo Moana (Bering Sea)

2000         R/V Melville (San Diego to Arica, Chile, via Galapagos)

2000         R/V Pelican (Mississippi Plume)

1999         R/V Point Sur (Monterey Bay and California Coast)

1998         R/V Argo Maine (Gulf of Maine)

1998         R/V Point Sur (Monterey Bay and California Coast)

1997         R/V Point Sur (Monterey Bay to Victoria, Vancouver Island)

1996         R/V Point Sur (Monterey Bay and California Coast)

Tasks on cruises included, but were not limited to:

Analysis of Macro-Nutrients on a large scale, planning, execution, maintenance and data preparation.

Analysis of Dissolved Oxygen.

Instrument maintenance and calibration.

Cross Flow Filtration (CFF) experiments on seawater samples and metal bioassay manipulation experiments including incubation experiments.

Analysis of cadmium and zinc concentrations in sea water using Cathodic Stripping Voltammetry - Rotating Glassy Carbon Disk Electrode.

Trace-metal-clean water sampling.

CTD operations.

Deck operations.

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