Surface bacterial communities respond to rapid changes in the western Arctic

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 […]

READ MORE »

Unexpected DOC additions in the deep Atlantic

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 […]

READ MORE »

Welcoming new 2020 SSC members!

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 […]

READ MORE »

A New Approach to Chemical Speciation Modeling – Join us for a Test Drive at Ocean Sciences 2020

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 […]

READ MORE »

New IOCCG Ocean Optics and Biogeochemistry Protocols

Final versions of two new IOCCG Ocean Optics and Biogeochemistry Protocols are now available on the IOCCG website: Volume 3.0: “Protocols for Satellite Ocean Color Data Validation: In situ Optical Radiometry”.  This document provides protocols for the collection, processing and quality assurance of in situ measurements of the apparent optical properties of natural water for the validation of […]

READ MORE »

New Report: Review of US GO-SHIP

  New report available Review of US GO-SHIP (Global Ocean Shipboard Hydrographic Investigations Program) An OCB and US CLIVAR Report (November 2019) In 2018 an external review committee convened to assess US GO-SHIP, an affiliate of international GO-SHIP, which performs global ship-based decadal surveys to collect, document, and store high precision and full depth hydrographic […]

READ MORE »

New outreach and education items

New Biological Pump from Emma Cavan (Imperial College London) and McCork Studios, which incorporates some key remineralization processes, from this recently published Nature paper. New OA podcast featuring Libby Jewett, founding Director of the Ocean Acidification Program at the National Oceanic and Atmospheric Administration (NOAA). Topics discussed include: Chemistry of ocean acidification Impact on animals […]

READ MORE »

IOCCG protocols are open for public comment

The IOCCG sampling and measurement protocols for particulate organic carbon (POC) are now available for public comment until January 20, see these and other protocols open for comment.

READ MORE »

Sign up for our biweekly eNewsletter, the Ocean Carbon Exchange

Send content to ocb_news@whoi.edu and visit our archive here.