U.S. JGOFS Synthesis & Modeling Project

Research Areas - First Principal Investigator
(entries in red indicate projects newly funded for FY2002)

• Kevin Arrigo and Dale Robinson  "A Coupled Ice-Ocean Model of Mesoscale Physical/Biological Interactions in the Ross Sea

• Richard Barber; Fei Chai; Richard Dugdale; Frances Wilkerson; Tsung-Hung Peng  "New and Export Productivity Regulation by Si and Fe in the Equatorial Pacific Ocean"

• Nicholas Bates; Christopher Sabine  "Assessment of Temporal Variability in Global Inorganic Carbon Distributions"

• Will Berelson; William Balch; Dick Feely; Ray Najjar; Chris Sabine "Production and Dissolution of Calcium Carbonate in the Global Ocean: A synthesis and modeling project."

• Ken Buesseler "Magnitude, Variability and Controls of Particulate Export in the Upper Ocean."

• Kenneth Caldeira  "Biological Influences on Mixed-Layer Dynamics and Global Ocean Circulation, and Participation in the Ocean Carbon Cycle Model Intercomparison Project"

• Douglas Capone; Edward J. Carpenter; Raleigh Hood  "Modeling of N2 and CO2 Fixation by the Oceanic Diazotroph Trichodesmium"

• Mary-Elena Carr; Edward J. Kearns  "An Historical and Modeling Comparison Study of Four Coastal Upwelling Systems"

• Fei Chai; Richard C. Dugdale; Richard T. Barber; Tsung-Hung Peng; Francis P Wilkerson " Biogeochemical modeling of carbon partitioning in the Pacific: the role of Si and Fe in regulating production by siliceous and calcifying phytoplankton"

• Jim Christian; Ricardo M. Letelier "Modeling Microbial Processes and Dissolved Organic Matter: A Case Study at the US-JGOFS Time Series Station ALOHA"

• Margarita Conkright  "Assembly, Quality Control and Analysis of Components of the Carbon Dioxide System"

• Andrew Dickson  "Synthesis of a Global Surface pCO2 Data Set"

• Scott Doney  "The Impact of Interannual Variability on Air-Sea CO2 Fluxes and Oceanic Dissolved Inorganic Carbon Fields"

• Scott Doney; J Keith Moore  "The Role of Ecosystem Dynamics on the Global Ocean Cabon Cycle: A JGOFS Model-Data Synthesis."

• Scott Doney; Chris Sabine  "Collaborative Research: Coordination and management of the US JGOFS Synthesis and Modeling Project. The Second and Final Phase."

• Scott Doney; Jorge Sarmiento  "Coordination and Management of the U.S. JGOFS Synthesis and Modeling Project"

• Hugh Ducklow; Michael Fasham; Thomas Anderson  "Constraining and Understanding Bacterial Biomass and Production Variability in Ocean Ecosystems"

• Hugh Ducklow; Michael Roman; George Jackson  "Collaborative Research: Ecosystem Structure, Biogeochemical Fluxes and Vulnerability to Climate Change Perturbations."

• Paul G. Falkowski  "Representing Key Phytoplankton Groups in Ocean Carbon Cycle Models"

• Marjorie Friedrichs; Eileen Hofmann; et al. "Regional Ecosystem Model Testbeds. A JGOFS Synthesis and Modeling Project."

• Wilf Gardner; Mary Jo Richardson; Alexey V. Mishonov "Global Synthesis of POC Using Satellite Data calibrated with Transmissometer and POC Data from JGOFS/WOCE"

• Wilf Gardner; Alexey V. Mishonov  "Transmissometer data validation and correction for the Hawaii Oceanographic Time Series and Bermuda Atlantic Time Series data sets."

• David Glover; Maureen Conte "A Coupled Epipelagic-Meso/Bathypelagic Particle Flux Model for the Bermuda Atlantic Time-series Station (BATS)/Oceanic Flux Program (OFP) Site"

• Nicolas Gruber"Analyzing and Modeling Interannual to Decadal Variability in the Carbon Cycle of the Subtropical and Subpolar Gyres."

• Nicolas Gruber; Chris L. Sabine; R. Sonnerup; John Bullister; Robert M. Key  "Global Assessment and Synthesis of Data Based Estimates of Anthropogenic CO2 in the Ocean"

• Dennis Hansell; Nick Bates; R. Murnane  "Mass Balance Assessments of Carbon Partitioning: A Contribution to the U.S. JGOFS SMP"

• Eileen Hofmann  "Evaluation of Marine Primary Productivity in the Tropical Pacific and Atlantic Oceans Using Satellite Ocean Color and Numerical Models"

• Eileen Hofmann; John Klinck; Walker Smith; Barbara B. Prézelin "Comparative Modeling and Data Analysis Studies for the Ross Sea and West Antarctic Peninsula Regions: A JGOFS Synthesis and Modeling Project"

• Susumu Honjo; Roger Francois; Steve Manganini  "Global Export and Recycling of Biogenic Material into the Ocean Interior; A Synthesis"

• Raleigh Hood; Julian McCreary; Sharon Smith; Don Olson  "Development, Validation and Improvement of a Coupled Biological/Chemical/Physical Model for the Arabian Sea"

• George Jackson "Development of Upper-Ocean Aggregation Models Useful for Interpreting and Predicting Carbon Fluxes"

• George Jackson; Adrian Burd  "Understanding the Carbon Flows Between the Euphotic Zone and 1000m Depth"

• Richard A. Jahnke  "Global Synthesis of Deep Ocean Carbon, Carbonate, Opal, and Nutrient Particle Fluxes, Benthic Fluxes and Sediment Accumulation"

• Charles Keeling  "Oceanic Carbon Cycle Model analysis of a New Global Set of Oceanic Carbon Including Extensive del-13C Data and Supporting Measurements"

• Ralph Keeling  "Southern Ocean Seasonal Net Production from Atmospheric and Ocean Data Sets"

• Robert Key; Louis Gordon; Christopher Sabine; Nicolas Gruber; C.W. Mordy "Determination of the Redfield Remineralization Ratios Based on Neutral Surface Analysis of the New Global Data Set"

• Michael Landry; Rob Armstrong; John Steele  "Data-Based Models of Plankton Community Structure and Export Flux"

• Edward Laws  "An f-Ratio Model for Pelagic Marine Ecosystems"

• Edward Laws "Development of an Adaptive Food Web Model to Explain Carbon Cycling in the Ocean."

• Kitack Lee; Frank Millero; Richard Feely; Rik Wanninkhof  "Degree of Saturation State of CaCO3 in the Oceans"

• Michael Lizotte; Giacomo DiTullio  "JGOFS Synthesis:  The Role of Phytoplankton Community Structure in Determining Particulate Elemental Composition, Carbon Fixation, and Bio-Optical Properties"

• John Marshall; Michael Follows; Watson Gregg   "Interannual Variability of Ocean Color: A Synthesis of Satellite Data and Models and Participation in the Ocean Carbon Cycle Model Intercomparison Project"

• William Martin; Frederick Sayles  "The Cycling of Organic carbon and Calcium Carbonate in Marine Sediments:  Determination of Parameters for Use in Global Models"

• Charles McClain; Chet Koblinsky; Marlon Lewis; Ragu Murtugudde; Ichio Asanuma; Antonio Busalacchi  "Physical-Biological Interactions in the Tropical Pacific and Atlantic Equatorial Surface Layers"

• Dennis McGillicuddy  "The Role of Eddies in Basin-Scale Biogeochemical Budgets of the North Atlantic"

• Dennis McGillicuddy  "Modeling Mesoscale Biogeochemical Processes in a TOPEX/POSEIDON Diamond Surrounding the U.S.JGOFS Bermuda Atlantic Time Series"

• Dennis McGillicuddy  "Impacts of Mesoscale Processes on Biogeochemical Fluxes in the North Atlantic: Basins-Scale Eddy-Resolving Simulations."

• Frank Muller-Karger  "Synoptic Analysis of Factors Influencing Carbon Fluxes at the CARIACO Continental Margin Time Series"

• James Murray; Bruce Frost; Harilaos Loukos; Suzanne Strom  "Food-Web Regulation of Particulate Export Flux in High Nitrate-Low Chlorophyll Regions"

• Raymond Najjar; Scott Doney; Robert Key; Christopher Sabine; Jorge Sarmiento; Kenneth Caldeira  "Evaluation and Intercomparison of Three-Dimensional Marine Carbon Cycle Models"

• David M. Nelson; Mark Brzezinski; Paul Tréguer; Philippe Pondaven  "Si Cycling and Si Control of New Production and Organic Carbon Export in the Southern Ocean and the Sargasso Sea: A JGOFS Synthesis"

• Tsung-Hung Peng; Jia-Zhong Zhang; Yuan-Hui Li  "Re-evaluation of Redfield Ratios using OACES and DOE/WOCE/JGOFS CO2 Survey Data"

• Paul Quay, Ann McNichol  "Oceanic CO2 Uptake Rates Derived from an Ocean-wide 13C/12C-DIC Data Set"

• Paul Robbins; Andrew Dickson  "An Assessment of Anthropogenic Carbon in the Pacific Ocean with Specific Application to Diagnostic Inverse Models of the Circulation"

• Michael Roman; Hans Dam  "Mechanistic Controls of Carbon Flux by Mezozooplankton: A JGOFS Synthesis"

• Chris Sabine; Robert Key; Richard Feely; Frank Millero; Rik Wanninkhof; Alex Kozyr  "Synthesis and  Interpretation of the NOAA/DOE Global CO2 Survey Data"

• Raymond Sambrotto; Mary-Lynn Dickson "Collaborative Research:  Quantifying the Relationship Between Nitrogen Uptake and Net Community Production Using a Synthesis of JGOFS Data and 1-D Modeling"

• Jorge Sarmiento  "Examination of the Oceanic Uptake of Anthropogenic CO2 and Other Trace Gases Using Multiple Tracer Relationships."

• David Siegel  "Development and Application of the Next Generation of Ocean Color Models for the Understanding of Marine Processes on Regional and Global Scales"

• Lynne Talley; Gregory Johnson  "Transport and Storage of Carbon in the Pacific Ocean: Estimates from Inverse Models"

• LuAnne Thompson; Steven Emerson; Paul Quay  "Mechanisms Controlling the Biological Pump and CO2 Uptake Rates in the North Pacific."

• Peter Verity  "Budgets of Biogenic Elements in the NW Atlantic Ocean Margin: A Synthesis and Modelling Project"

• John J. Walsh  "A Numerical Analysis of New Nitrogen Sources of NO3 and N2 Effecting Carbon Cycling in theSouthern Caribbean Sea: A Key to CDOC Contamination of Satellite Color Signals"

• Rik Wanninhkof; Douglas Wallace; Molly Baringer  "Meridional Transport of Carbon Dioxide in the North Atlantic Ocean"

• James A. Yoder  "Large-Scale Spatial and Temporal Patterns Evident in the Chlorophyll a Imagery from the First Four Global Satellite Ocean Color Missions (CZCS, OCTS, POLDER and SeaWiFS)"