Just Released Twining, Benjamin S., Saito, Mak A., Santoro, Alyson E., Marchetti, Adrian, Levine, Naomi M., “US National BioGeoSCAPES Workshop Report”, 2023-01-09, DOI:10.1575/1912/29604, https://hdl.handle.net/1912/29604 Download the report
Just Released Twining, Benjamin S., Saito, Mak A., Santoro, Alyson E., Marchetti, Adrian, Levine, Naomi M., “US National BioGeoSCAPES Workshop Report”, 2023-01-09, DOI:10.1575/1912/29604, https://hdl.handle.net/1912/29604 Download the report
With leadership from Galen McKinley (LDEO) (conceptual design) and Natalie Renier (WHOI graphic artist), a new illustration on natural and anthropogenic components of the ocean carbon cycle has been developed as a product of this working group. Credit: Design: Natalie Renier, WHOI Creative ©WHOI; Concept: Galen McKinley, Columbia Univ., Lamont-Doherty Earth Observatory; Funding: Ocean Carbon […]
During the western Arctic summer open water season, latitudinal differences in the physical and biogeochemical features of the surface water are apparent from the Bering Strait to the Chukchi Borderland. Lower latitude regions (i.e. Bering Strait to Chukchi Shelf) are primarily driven by the inflow of Pacific waters that supply nutrients and heat, leading to […]
Oceanic dissolved organic carbon (DOC) ultimately exchanges with atmospheric CO2 and thus represents an important carbon source/sink with consequence for climate. Most of the DOC is recalcitrant to microbial degradation, with some fractions surviving for thousands of years. Therefore, DOC in the deep ocean was thought to be stable or to decrease slowly over decades […]
We would like to thank the OCB community for submitting so many high-quality nominations for the OCB Scientific Steering Committee. Our new SSC members are Charlie Stock (NOAA/GFDL) – interactions between climate and marine ecosystems using global early system models Dreux Chappell (ODU) – molecular microbial ecology, phytoplankton cultivation/physiology, and trace metal biogeochemistry Jaime Palter […]
A new NSF supplemental funding opportunity (INTERN) allows students to test out non-academic career paths while in graduate school. PIs can request up to six months of additional support for current graduate students supported on active NSF grants. These supplemental awards allow students to pursue internships that will broaden their professional experience and enable them […]
Salinity-based equilibrium constants are widely used to estimate trace element speciation and solve the marine carbonate system. However, this approach is necessarily limited to solutions with seawater stoichiometry. As part of SCOR Working Group 145 and a collaborative NERC/NSF-funded project, we have been developing models that use thermodynamic equilibrium constants, together with activity coefficients, taking […]
Human actions are driving changes in Earth’s atmosphere, ocean, and land surface at unprecedented rates. Fully-coupled Earth system models (ESMs) simulate physical aspects of the climate system, their interactions with terrestrial and marine ecosystems, and biogeochemical cycles. In this sense, ESMs are extremely valuable to understanding and managing planetary-scale human-environment interactions. Over the past few […]
Flow cytometry can sort hundreds of thousands of phytoplankton cells in minutes, a tool that has been exploited for over thirty years in marine science. However, skilled analysts are still needed for manual interpretation of these cells into different types and then further into size distributions and optical properties. In a recent study published in […]
On time scales of tens to millions of years, seawater acidity is primarily controlled by biogenic calcite (CaCO3) dissolution on the seafloor. Our quantitative understanding of future oceanic pH and carbonate system chemistry requires knowledge of what controls this dissolution. Past experiments on the dissolution rate of suspended calcite grains have consistently suggested a high-order, […]
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Funding for the Ocean Carbon & Biogeochemistry Project Office is provided by the National Science Foundation (NSF) and the National Aeronautics and Space Administration (NASA). The OCB Project Office is housed at the Woods Hole Oceanographic Institution.