Synthesis & Modeling Project
Regional ecosystem model testbeds. A JGOFS synthesis and modeling project.
An important legacy of the U.S. Joint Global Ocean Flux Study (JGOFS)
Synthesis and Modeling Project (SMP) will be the formulation of a broad
suite of models designed to simulate biogeochemical cycling at the various
process study sites. Although this set of models and modeling studies
has already substantially advanced our understanding of these systems,
few quantitative intercomparisons of these models have been made.
We propose to conduct these intercomparisons, in order to critically examine
which ecosystem structures and formulations are most robust, and to investigate
and explore the reasons for their success. Furthermore, we will critically
evaluate the feasibility of developing biogeochemical models that are applicable
over a wide range of diverse ecosystems.
The main objectives of the proposed work are:
This proposed research will capitalize on work previously accomplished under the JGOFS SMP: the twelve co-investigators involved in this project will freely provide their regional expertise, model code, forcing fields, and biogeochemical data sets to this project. To further promote model intercomparisons, this project will involve annual hands-on workshops in which scientists (including but not limited to the co-investigators of this proposal) will work together to quantitatively assess a number of different biogeochemical models and modeling approaches. Through these intercomparison exercises and carefully designed simulations, the improvement of biogeochemical models will be accelerated, and the scientific community will be significantly closer to having a set of rigorously tested models that can be used for ocean carbon cycle prediction.
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Arrigo; Robinson "A coupled
ice-ocean model of mesoscale physical/biological interactions in the Ross
Barber; Chai; Dugdale; Wilkerson; Peng " New and export productivity regulation by Si and Fe in the equatorial Pacific Ocean"
Capone; Carpenter; Hood "Modeling of N2 and CO2 fixation by the oceanic diazotroph Trichodesmium"
Hofmann; Klinck; Walker Smith; Prézelin "Comparative modeling and data analysis studies for the Ross Sea and West Antarctic Peninsula regions: A JGOFS synthesis and modeling project"
Hood; McCreary; Smith; Olson "Development, validation and improvement of a coupled biological/chemical/physical model for the Arabian Sea"
Landry; Armstrong; Steele "Data-based models of plankton community structure and export flux"
McClain; Koblinsky; Lewis; Murtugudde; Asanuma; Busalacchi "Physical-biological interactions in the tropical Pacific and Atlantic equatorial surface layers"
Najjar; Doney; Key; Sabine; Sarmiento; Caldeira "Evaluation and intercomparison of three-dimensional marine carbon cycle models"
Center for Coastal Physical Oceanography
Old Dominion University
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Norfolk, VA 23529