Ocean Carbon & Biogeochemistry
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Archive for News

Ocean scientist dialogs on NSF Ocean Observing DCL starting next week

Posted by mmaheigan 
· Thursday, September 10th, 2026 

OCB to co-host community dialogs on ocean observing

The U.S. National Science Foundation (NSF) is requesting perspectives on what ocean observation capabilities it should provide. The agency recently issued a Dear Colleague Letter (DCL) seeking public input on priorities, strategies, and technologies for future ocean observing systems that effectively support scientific needs and align with NSF’s mission and strategic plan. NSF seeks responses, from both U.S. and international stakeholders, to a suite of questions addressing topics including observational gaps, fixed and mobile assets, coordination among (national and/or international) programs, and which components of NSF’s current ocean observing portfolio should be maintained and/or updated. Group responses are welcome, however, informed individual responses are strongly encouraged. Individuals do not need to respond to ALL questions. The deadline for responses to the DCL is September 30, 2026.

It is important to stress that this request for input spans the entire scope of ocean science and ocean observing systems. To support this multidisciplinary community and highlight integrated components across different sectors, the OOIFB is collaborating with ocean scientists and entities representing a broad disciplinary swath of the oceanographic community to organize several virtual “ocean observing exchanges.” The goals of these Zoom-based dialogues are to discuss the NSF DCL, review the prompts, and co-develop ideas/priorities to encourage and inform individual and organization-level responses. An outpouring of community input, particularly in the form of individual responses that address specific priorities, is vital to informing and encouraging sustained NSF investment in ocean observing resources.

A regularly updated full schedule of virtual exchanges, associated facilitators, and registration links is available here. There will also be a Community Forum on the Future of Ocean Observing in early December prior to the 2026 AGU Conference in San Francisco, CA. No matter the topic, be sure to find and attend a session that suits your schedule. Registration is required to participate in an ocean exchange. Each exchange will function as a collaborative working session lasting ~60 minutes (with an option to extend each session if necessary). The exchange will begin with a quick overview of the DCL, existing NSF-funded systems that are part of the DCL, as well as a review of NSF priorities (as stated in the agency’s 2026-2030 Strategic Plan). Individuals may find the sessions most helpful if they are able to attend sessions aligned with their expertise and/or attend a general session; however, all members of the ocean observing community, spanning all types of expertise, career stage, and position, are welcome at all sessions. Interested individuals can also attend more than one session. Session summaries will be posted online for additional reference.

 

OCB will co-host two virtual exchanges next week:

Monday, September 14, 2026; 12pm ET/9am PT
Facilitators: Hilary Palevsky (Boston College) and Heather Benway (Woods Hole Oceanographic Institution/Ocean Carbon & Biogeochemistry (OCB) Project Office)
Topical focus: Ocean Carbon and Biogeochemistry

Thursday, September 17, 2026; 12:30pm ET/9:30am PT
Facilitator: Heather Benway (Woods Hole Oceanographic Institution/Ocean Carbon & Biogeochemistry (OCB) Project Office)
Topical focus: Sustained infrastructure for observing ocean biology and biogeochemistry, air-sea interactions
Register for Sept 17

 

We hope to see you there!

2026 Call for OCB Scientific Steering Committee (SSC) nominations 

Posted by mmaheigan 
· Wednesday, September 9th, 2026 

OCB is seeking nominations for new Scientific Steering Committee (SSC) members. The term begins January 1, 2027. The following SSC members are scheduled to rotate off at the end of 2026:

  • Kristen Krumhardt (NCAR) – ocean ecosystem modeling, Southern Ocean ecosystem dynamics
  • Kanchan Maiti (Louisiana State Univ.) – biogeochemical cycling along aquatic continuum, deep ocean and benthic fluxes, geochemical tracers, autonomous observation platforms
  • Melissa Meléndez (Univ. Hawai’i) – marine carbonate chemistry, ocean acidification, net ecosystem metabolism, marine carbon dioxide removal
  • Rachel Stanley (Wellesley College) –  inorganic chemistry, mass spectrometry, gas tracers, air-sea gas exchange

We are especially interested in filling the following expertise gaps:

  • Marine inorganic chemistry, including marine carbonate cycle and calcification
  • Air-sea gas exchange
  • Coastal and estuarine biogeochemistry 

Please consider casting a wide net in submitting nominations. We are seeking to entrain a broad range of voices and ideas in OCB! Nominees can be from any US-based institution (including Univ. Puerto Rico, Univ. Virgin Islands or in other US territories). Please submit nomination(s) (self-nominations are welcome) HERE by November 23. All nominees’ 2-page abbreviated CVs should be sent to hbenway@whoi.edu.

Nominees are primarily evaluated based on their science expertise (relative to emerging expertise gaps) and their leadership potential. We encourage re-nomination if a prior nomination round was not successful. Note that many SSC members are nominated multiple times before becoming members, since we must navigate evolving expertise gaps and various forms of balance on the committee, including geographic location and career stage. OCB SSC members serve a 3-year term. To learn more about what the OCB SSC is/does, please visit the SSC page of the OCB website and feel free to reach out to current SSC members about time commitment and their experiences as SSC members.

Apply by Oct 5 to the OCB Workshop on Marine Viruses

Posted by hbenway 
· Friday, September 4th, 2026 

OCB WORKSHOP From single cells to ecosystems: Quantifying the role of marine viruses in carbon transport models

February 8-10, Grand Galvez Hotel, Galveston, Texas (hybrid)

Viruses are a ubiquitous and integral component of Earth’s ecosystems, including marine microbial communities. Virally mediated mechanisms play a central role in carbon cycling and export processes. Despite their known prevalence and activity in marine systems, fundamental knowledge gaps preclude robust representation of viruses in marine ecosystem and biogeochemical models.

To build a more cohesive marine virus research community, this workshop will bring together the knowledge and perspectives of microbiologists, viral ecologists, geochemists, and ecosystem and biogeochemical modelers. Participants will discuss existing and aspirational datasets to inform representation of viruses in models. Discussions will also focus on identifying standardized protocols, field and laboratory experiments, and other community activities and tools that would help advance our understanding of marine carbon transport via viruses. This workshop will lead to the publication of a synthesis paper describing our current state of knowledge and a holistic roadmap for addressing gaps in our observations, process understanding, and technological and computing capabilities to propel marine virus research forward and improve our capacity to understand, model and predict their roles in marine ecosystem function. Keynote speakers will include:

  • Joshua S. Weitz (Univ. of Maryland)
  • Stephanie Dutkiewicz (Massachusetts Institute of Technology)
  • Matthew Sullivan (Ohio State Univ.)
  • Assaf Vardi (Weizmann Institute of Science)
  • Kim Thamatrakoln (Rutgers Univ.)
  • Debbie Lindell (Technion – Israel Institute of Technology)

Find more information and apply on the workshop website. Deadline is October 5

2027 OCB Activity Proposal Solicitation – deadline Oct 26

Posted by mmaheigan 
· Wednesday, September 2nd, 2026 

The Ocean Carbon and Biogeochemistry (OCB) Program is soliciting proposals for OCB activities that will take place or begin during the 2027 calendar year. In the coming year, we are able to support 1 topical workshop (to take place in summer or fall 2027) and 2-3 hub and/or small group activities. We seek proposals for OCB-relevant workshops and activities as follows:

  • Workshops and training activities – These activities bring together practitioners across disciplines to build community and/or capacity on OCB-relevant topics (see scientific scope below). A training activity is typically limited to 30-40 participants, and a topical workshop is typically limited to 50-60 participants. A hybrid format is strongly encouraged to broaden input and impact. We also welcome proposals for fully virtual workshops and training activities. The participant selection process for training activities should use a pre-determined evaluative rubric. Budgets for these activities will be capped at $70,000.
  • Small group activities – These activities have a specific focus and set of outcomes. They are typically limited to ~8-16 participants and 1-2 years in duration. The majority of participant interaction must take place virtually. Work is to be completed both synchronously and asynchronously via Zoom and collaborative tools (e.g., Google Suite). A small amount of funding (add-on hotel night, food and beverage) can be provided to accommodate a side meeting in conjunction with other workshops (OCB, AGU, OSM, etc.), and publication costs. If a small group activity is a follow-on or direct outgrowth of a previous OCB activity, this connection should be explicitly noted, and PIs must address how this activity will further advance progress. Budgets for these activities will be capped at $15,000.
  • Regional hubs – This is a relatively new OCB activity model (based on the OCB-supported regional mCDR nodes) that aims to foster community building at the regional scale on OCB-relevant topics, including practitioners across sectors, disciplines, and career stages. A small amount of funding is provided to support one large gathering or a series of smaller gatherings (meeting-related expenses such as venue, catering, etc.), as well as associated outcomes (publications, outreach materials, etc.). There is no travel/lodging support available for these activities, as all participants should be local or within driving distance of a regional hub. Budgets for these activities will be capped at $10,000.

To get familiar with OCB’s current and previous activities, PIs should view the OCB website before preparing and submitting a proposal. If you have questions about the relevance, timeliness, appropriate format, etc. of a proposed activity, please contact the OCB Project Office for guidance. Proposals must be led by a US-based PI and all activities must take place in the US. To guide proposal preparation, we strongly encourage PIs to read OCB’s Code of Conduct and OCB Planning Guidelines before getting started.

Read the full solicitation

Submit ideas for OCB2027 plenary sessions

Posted by mmaheigan 
· Wednesday, September 2nd, 2026 
OCB2027: June 22-25, 2027 (Woods Hole, MA)
Please submit your plenary session ideas by October 5!

New report: FAIR Data for Ocean Time Series

Posted by mmaheigan 
· Monday, August 24th, 2026 

Since the early to mid-20th century, shipboard marine ecological time series (METS), or sustained repeat measurements of physical, biogeochemical, and biological processes, have documented changes in ocean biogeochemistry and marine ecosystems. To date, numerous disconnected databases and interfaces for accessing data have made it difficult for prospective users to find and use these datasets. Limited data access, discoverability, reporting, and interoperability represent a barrier to analyses within and across METS. Standardized guidelines on METS sampling and analytical methods, data and metadata reporting protocols, data sharing culture, and data citation practices are needed to track and expand time series data usage and facilitate comparative studies across METS stations. It is this set of data-related challenges that the METS Research Coordination Network set out to address. This report is a summary of METS RCN activities and efforts, including a culminating community workshop that included representation from a globally distributed set of METS. The report provides informatics tools and resources that are specific to METS datasets and includes actionable recommendations for strengthening a global METS network and broadening applications and users of METS datasets.

Benway, H., Kinkade, D., White, A., Mickle, A., Buck, J., Shepherd, A., Pacheco, F., Lange, N., O’Brien, T., Berghoff, C., Miskin-Hymas, C., Guisewhite, N., Gonz.lez-D.vila, M., Santana-Casiano, M., Mansfield, T., Mieruch, S., Brearley, J.A., Blanco Bercial, L., Montes, E., Morkeski, K., Gerlach, D., Plueddemann, A., Wright-Fairbanks, L. (2026) FAIR Data Practices for Marine Ecological Time Series (NSF EarthCube Research Coordination Network). An OCB Report. 35pp. https://doi.org/10.1575/1912/73186 (repository direct url: https://hdl.handle.net/1912/73186)

 

Remembering Dr. Jorge Sarmiento

Posted by mmaheigan 
· Friday, July 10th, 2026 

The global climate science community mourns the passing of Dr. Jorge Sarmiento in May 2026. In addition to co-authoring the first decadal U.S. Carbon Cycle Science Plan (Sarmiento and Wofsy, 1999) and leading the historic push to develop the U.S. Carbon Cycle Science Program and its carbon science coordination entities, OCB and NACP,  Jorge stood as a pioneering “giant” in ocean biogeochemistry whose visionary leadership fundamentally shaped the trajectory of Earth system science. From his early steering of JGOFS to his profound contributions within OCB and his groundbreaking work heading the SOCCOM initiative, Jorge unraveled the critical complexities of the Southern Ocean and global marine ecosystems. Yet, beyond his extraordinary scientific accolades, including his shared recognition in the 2007 Nobel Peace Prize, his ultimate legacy lives on through his selfless mentorship, his infectious enthusiasm for new ideas, and the generations of brilliant scientists he inspired and guided. We owe an immeasurable debt of gratitude to Jorge for his career of profound discovery, collaborative spirit, and enduring dedication to understanding our planet. He will be deeply missed, but his scientific legacy remains a guiding light for all future carbon cycle research. 

See also ‘Remembering Jorge Sarmiento, a ‘giant’ in climate studies’

GLODAPv3 – A new version release

Posted by mmaheigan 
· Wednesday, July 8th, 2026 

On behalf of the GLODAP Reference Group and hundreds of seagoing oceanographers who have tirelessly collected data all over the ocean for several decades, it is our pleasure to announce the release of the new Global Ocean Data Analysis Project version 3, GLODAPv3!

Use this link for direct access: GLODAPv3 OCADS landing page and check out our webpage.

GLODAPv3 provides surface-to-bottom ocean biogeochemical observations determined through chemical analysis of discrete bottle samples. This new version comprises data from 1181 cruises, spanning more than 50 years of observations (1972 – 2023). It includes all data from the previous GLODAPv2.2023, together with an additional 57 new cruises. All data have been evaluated for systematic differences and adjusted appropriately. The result is the most comprehensive and rigorously quality controlled ocean interior data product for marine biogeochemistry studies. Its analysis will allow for quantitative assessment of biogeochemical changes and feedbacks between climate change and the ocean.

          GLODAPv3 Cruises

 

GLODAPv3 consists of:

  • a data base with original cruise data, as submitted by individual data providers but updated to WOCE Exchange format
  • a merged data product, with systematic measurement differences removed for key biogeochemical variables

The original data, their documentation and DOIs are available at the Ocean Carbon Data System of NOAA NCEI.

GLODAPv3 is the result of a multi-year global team effort funded by the EU Horizon Europe project OceanICU, US NOAA, the SCOR-IOC International Ocean Carbon Coordination Project (IOCCP) and many other projects, programmes and organisations.

 

The procedures and results are extensively documented in:

  • Nico Lange, Siv K. Lauvset, Brendan R. Carter, Matthew P. Humphreys, Ryan J.  Woosley, Are Olsen, Henry C. Bittig, Alex Kozyr, Marta Álvarez, Kumiko Azetsu-Scott, Susan Becker, Peter J. Brown, Leticia Cotrim da Cunha, Larissa Dias, Mario Hoppema, Masao Ishii, Emil Jeansson, Akihiko Murata, Jens Daniel Müller, Fiz F. Pérez, Carsten Schirnick, Reiner Steinfeldt, Adam Ulfsbo, Anton Velo, and Toste Tanhua. Submitted.
  • Matthew P. Humphreys, Siv K. Lauvset, Nico Lange, Henry C. Bittig, Brendan R. Carter, Mario Hoppema, Akihiko Murata, Are Olsen, Toste Tanhua, Adam Ulfsbo, Antón Velo, Ryan J. Woosley, Kumiko Azetsu-Scott, Jens D. Müller, and Fiz F. Pérez. 2026.
    https://doi.org/10.5194/egusphere-2026-3063

This work was funded by the European Union under grant agreement no. 101083922 (OceanICU) and UK Research and Innovation (UKRI) under the UK government’s Horizon Europe funding guarantee [grant number 10054454, 10063673, 10064020, 10059241, 10079684, 10059012, 10048179]. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or European Research Executive Agency. Neither the European Union nor the granting authority can be held responsible for them.

 

AGU 2026 abstracts due August 5

Posted by hbenway 
· Saturday, July 4th, 2026 

AGU2026 is taking place December 7-11, 2026 in San Francisco, CA.

Abstract submissions are due August 5.

Check out our list of OCB-relevant sessions. If you are convening a session you think is of interest to the OCB community and it isn't already listed, please submit it!

Screenshot 2026-07-04 at 12-56-09 AGU26 Annual Meeting AGU

Celebrating 20 years of OCB + OCB2027 dates

Posted by mmaheigan 
· Monday, June 22nd, 2026 

Save the dates for OCB2027 in person June 22-25, 2027

2026 marks 20 years since the OCB Project Office began in 2006 to support science, community, and connection across a globally distributed network of scientists! To celebrate all the accomplishments of the community across these two decades, OCB is convening a one-day virtual symposium on November 18, 2026. The symposium will highlight scientific discoveries, game-changing technologies, and lessons learned from the perspective of OCB community members.

This 20th anniversary symposium will feature the following four topics, which have seen a lot of growth in OCB, particularly in the last decade:

  • Air-Sea Interactions 
  • Biological Carbon Pump
  • Ocean Carbon Removal
  • Ocean Metabolism (featuring programmatic developments across GEOTRACES, OCB, and the newly emerging BioGeoSCAPES)

Speakers and panelists will be announced soon.

The November 18 event will start at 11 am (Eastern Standard Time) and run approx. 7 hours with numerous breaks.

Learn more and register

 

 

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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.