Graduate Students
Galen Gorski – PhD (2020), Water quality and quantity in natural and managed systems
Christina Richardson – PhD (2020), Groundwater, interconnected surface water quality & biogeochem.
Esra Mescioglu – PhD (2020), Microbial communities in aerosols and their effects on the ecosystems
Kyle Hardage (Broach) – PhD (2020), Paleohydrology, climate change, water resource management
Kimberley Mayfield – PhD (2020), Geochemistry in river basins
Ana Martinez Fernandez – PhD (2018), Impacts of ocean acidification on foraminifera and corals: A field study
Karen Lykkebo Petersen – MS (2017), Desalination plants, the impacts of brine discharge on coastal ecology and chemistry.
Chia-Te Chien – PhD (2017), Aerosol and seawater chemistry
Tracy Conrad – PhD (2017), Marine mineral resources, environmental impact of marine mining, economic geology, marine geochemistry, paleoceanography
Delphine Defforey – PhD (2016), Marine and freshwater biology, human influences on marine ecosystems, phosphorous cycling
Alanna Lecher – PhD (2015), Submarine groundwater discharge in the Monterey Bay, California
Elizabeth Derse Crook – PhD (2015), Ocean acidification and effects on coral reefs of the Yucatan Mexico
Nadine Quintana Krupinski – PhD (2013), Regional expression of past global climate
and anthropogenic effects
Andrea Erhardt – PhD (2013), Anoxic events off the coast of Oregon and Lead isotopes as a paleo-circulation proxy
Joseph Street – PhD (2012), Geochemical records of paleo-precipitation, river discharge, and water balance in water-stressed regions
Timothy Lambert – MS (2012),Stable isotope ecology of Cutthroat Trout in the Rocky Mountains and anchovies off the coast of Peru
Katherine Mackey – PhD (2010),Nutrient stress and limitation of cyanobacteria in the Gulf of Aqaba.
Karen Knee – PhD (2010),Nutrient subsidies to Hawaiian coastal ecosystems from submarine groundwater discharge
Elizabeth Griffith – PhD (2008), Seawater Calcium Isotopes and the Cenozoic Carbonate Depositional History of the Oceans.
Katy Elsbury – MS (2007), Identifying phosphate and nitrate sources to Lake Erie using a multiple isotope approach.
Tzvetie Erohina – PhD (2007), Aspects of the late quaternary paleoenvironmental and paleoceanographic history of Santa Monica Basin, Southern California.
Ellen Gray – MS (2007), Paleoproductivity and seawater sulfur isotopic reconstruction over the PETM using marine barite
Jessica Luo – MS (2007), Carbon and nitrogen isotopes and trace metal concentrations of zooplankton tows from the Gulf of Aqaba, Red Sea.
Scott Wankel – PhD (2006), Using isotopic tools to study nitrogen sources and cycling in Elkhorn Slough, CA.
Megan Young – PhD (2005), 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 – PhD (2005), Delta 18O of Phosphate in Seawater and Marine Organic Matter: A Tracer for Phosphorus Cycling and Utilization
Kristen Averyt – PhD (2005), 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 – MS (2005), Earth Systems, Radium isotopes in shells as a tracer for freshwater influx into Elkhorn Slough, California
Michael Calhoun – MS (2005), 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 – MS (2005), Time Series Investigation of Chemical and Human Health Indicators in California Coastal Watersheds
Ashley Ivy – MS (2004), Barite as an indicator of productivity during global ocean anoxic event
Gaurav Misra – MS (2004), Hydrodynamic modeling of Elkhorn Slough, California
David Nicolson – MS (2003), Alkaline Phosphatase Activity in Seawater: An Enzyme Tracer for Phosphate Utilization
Greg Shellenbarger – MS (2003), Eng. Quantifying groundwater contribution to a coral reef using radium isotopes and the Reynolds Transport Theorem
Meagan Eagle Gonneea– MS (2002), Tracing Organic matter Sources in Mangrove Estuaries Utilizing d13C, d15N, and C/N Ratios
Sarah Aziza Mary Mearon – MS (2001), Cretaceous Strontium Isotope Stratigraphy Using Marine Barite
Post Doctoral Scholars, Staff & Research Associates
Luna Osleger – Fungi-Plant interactions
Igor Pessoa – Isotope Geochemistry, Marine Biogeochemistry, Marine Pollution, Coral Reef Restoration
Eyal Rahav – Biological oceanography, microbial ecology, phytoplankton, primary & bacterial production and bioaerosols
Ariane Arias Ortiz – Role of wetlands in mitigating the effects of climate change
Weiqi Yao – S and O isotopes in sulfate, biogeochemical cycles, paleoclimate and paleoceanography
Sam Carter– Calcium isotopes in dolomites and marine barite
Michael Tatzel – Magnesium, strontium, and calcium isotopes in microbial dolomites
Nadine Heck– Desalination plants, impacts on coastal ecology, public perception & policy
Joseph Fackrell – Source characterization and biogeochemical consequences of wastewater
Pei-Chuan Chuang – Methane Fluxes from Mangrove Ecosystems
Katie Roberts – Lab Manager
Helen Cooper – Lab Manager
Katherine Mackey – Phytoplankton biogeography and biogeochemistry
Cecile Mioni – Environmental controls on the distribution of harmful algae and their toxins in San Francisco Bay
Cliff Buck – Chemical analysis of aerosols and aerosol biogeochemistry in relation to oceanic and aquatic ecosystems
Nadine Quintana Krupinski – Holocene ocean pH records in coastal California; Holocene fire history of northern Israel
Natasha Dimova – Evaluating groundwater discharge and it’s nutrient fluxes in marine and aquatic systems.
Ellen Gray – Lab manager extraordinare
Tatanya Klass – Oxygen isotope composition of phosphate to determine phosphate sources in Lake Tahoe and Lake Erie
Kimberly Null – Submarine groundwater discharge and nutrient loading in San Fransisco Bay
Yilun Jiang – Trace metal analysis of aerosols in Monterey Bay
Emily Reistetter – Biological effects of aerosol deposition on phytoplankton
Liz Griffith – Carbonate accumulation and dissolution events and the seawater calcium isotope record
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, Israel
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 – Understanding 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