Laboratory Manager
Ph.D. Students
Elizabeth Derse - Ocean acidification, Yucatan Mexico
Andrea Erhardt - Marine barite, paleoceanography.
Karen Knee - Nutrient subsidies to Hawaiian coastal ecosystems from submarine groundwater discharge.
Zhongwu Ma - Using marine barite to reconstruct paleoproductivity.
Katherine Mackey - Nutrient stress and limitation of cyanobacteria in the Gulf of Aqaba.
Nadine Quintana Krupinski - Holocene ocean pH records in coastal California, Holocene fire history of northern Israel.
Joseph Street - Geochemical records of paleo-precipitation, river discharge, and water balance in water-stressed regions.
Post Docs
Cliff Buck - Chemical analysis of aerosols and aerosol biogeochemistry studies in relation to oceanic and aquatic ecosystems.
Liz Griffith - Carbonate Accumulation and Dissolution Events and the Seawater Calcium Isotope Record.
Cecile Mioni - Environmental Controls on the Distribution of Harmful Algae and their toxins in San Francisco Bay, California.
Research Associate:
Linda Anderson - Phosphate in sediment and soils.
Undergraduate Researchers:
Stacey Cushman - Able Labwoman
Tatanya Klass- Able Labwoman, Phosphate cycling.
Collin Lee - Able Labman, Trace metal and nutrient input at Santa Cruz Beaches.
Denise Wong - C and N isotopes in peat bogs.
Paytan Lab Alumni
Post Doctoral Scholars and Research Associates
Yu Umaweza - Phosphates
John "Chip" Breier - Quantifying groundwater/surface water interaction in Elkhorn Slough and Tomales Bay, California.
Barbara Cade-Menun - Ecosystem dynamics of phosphorus.
Ying Chen - Iron in aerosols over the Gulf of Aqaba.
Rachael Dyda - former Lab Manager
Kristina Faul - Constructing a high resolution S isotope and P accumulation curves at the Paleocene Eocene Thermal Maximum (PETM).
Robert Feranec - Understanging the ecological consequences due to the evolution of hypsodont teeth by ungulates in the early Miocene of North America.
Kathryn Hoppe - d13C and d18O of bison bones and teeth.
Iris Zohar - Phosphate cycling in waste water effluents and soils.
Graduate Students
Elizabeth Griffith - 2008 Ph.D. Seawater Calcium Isotopes and the Cenozoic Carbonate Depositional History of the Oceans.
Katy Elsbury - 2007 M.S.
Tzvetie Erohina - 2007 Ph.D. Aspects of the late quaternary paleoenvironmental and paleoceanographic history of Santa Monica Basin, Southern California.
Ellen Gray - 2007 M.S. Paleoproductivity and seawater sulfur isotopic reconstruction over the PETM using marine barite.
Jessica Luo - 2007 M.S. Carbon and nitrogen isotopes and trace metal concentrations of zooplankton tows from the Gulf of Aqaba, Red Sea.
Scott Wankel - 2006 Ph.D. Using isotopic tools to study nitrogen sources and cycling in Elkhorn Slough, CA.
Megan Young - 2005 Ph.D. Methane cycling and flux in mangrove ecosystems; identifying ground water sources and calculating ground water discharge using radium isotopes and other chemical tracers.
Karen McLaughlin, 2005 Ph.D. Delta 18O of Phosphate in Seawater and Marine Organic Matter: A Tracer for Phosphorus Cycling and Utilization.
Kristen Averyt, 2005 Ph.D. Producing a high resolution marine Sr/Ca curve using marine barite for the past 120 Ma to develop comprehensive, global carbon model, including carbonate versus silicate weathering rates and hydrothermal fluxes.
Lynn Asbeck - 2005 M.S., Earth Systems, Radium isotopes in shells as a tracer for freshwater influx into Elkhorn Slough.
Michael Calhoun - 2005 M.S. Calcium Carbonate and Marine Barite Accumulation Rates from Shatsky Rise: Implications for Paleoproductivity and Paleohistory of the CCD and Investigation of Phosphate Limitation of Summer Phytoplankton Communities in the Gulf of Aqaba, Red Sea.
Nick Handler - 2005 M.S. Time Series Investigation of Chemical and Human Health Indicators in California Coastal Watersheds
Ashley Ivy - 2004 M.S. Barite as an indicator of productivity during global ocean anoxic events.
Gaurav Misra - 2004 M.S. Hydrodynamic modeling of Elkhorn Slough, California.
David Nicolson - 2003 M.S. Alkaline Phosphatase Activity in Seawater: An Enzyme Tracer for Phosphate Utilization.
Greg Shellenbarger - 2003 M.S., Eng. Quantifying groundwater contribution to a coral reef using radium isotopes and the Reynolds Transport Theorem.
Meagan Eagle Gonneea - 2002 M.S. Tracing Organic matter Sources in Mangrove Estuaries Utilizing d13C, d15N, and C/N Ratios.
Sarah Aziza Mary Mearon - 2002 M.S. Cretaceous Strontium Isotope Stratigraphy Using Marine Barite.
Joe Street and collaborating professor Ali Boehm of civil and environmental engineering hard at work in Hanalei, Kauai.

Adina at the 2006 Holiday dinner with her gift (Surprisingly, no one cared to trade or take it from her).

Elizabeth, Crystal and Chip, in Hawai'i.

Rachel at Moss Landing preparing to go out on Monterey Bay.
Karen digging groundwater pits in Hawaii.

Liz cutting a core into manageable pieces.

Nadine bundled up on the ice in Antarctica.