We present the first edition of a global database (CoastDOM v1) and a resulting data manuscript, which compiles previously published and unpublished measurements of DOC, DON, and DOP in coastal waters, consisting of 62,338 (DOC), 20,356 (DON), and 13,533 (DOP) data points, respectively.
CoastDOM v1 includes observations of concentrations from all continents between 1978 and 2022. However, most data were collected in the Northern Hemisphere, with a clear gap in DOM measurements from the Southern Hemisphere.
This dataset will be useful for identifying global spatial and temporal patterns in DOM and will help facilitate the reuse of DOC, DON, and DOP data in studies aimed at better characterizing local biogeochemical processes; closing nutrient budgets; estimating carbon, nitrogen, and phosphorous pools; and establishing a baseline for modelling future changes in coastal waters.
The aim is to publish an updated version of the database periodically to determine global trends of DOM levels in coastal waters, and so if you have DOM data lying around, please submit it to Christian Lønborg (firstname.lastname@example.org).
Lønborg et al. 2024. A global database of dissolved organic matter (DOM) concentration measurements in coastal waters (CoastDOM v1), Earth Syst. Sci. Data, 16, 1107–1119, https://doi.org/10.5194/essd-16-1107-2024
Lønborg et al. 2023.A global database of dissolved organic matter (DOM) concentration measurements in coastal waters (CoastDOM v.1). PANGAEA, https://doi.org/10.1594/PANGAEA.964012
Dates to be announced - Spring 2025
LSU (New Orleans, LA)
River deltas and the adjacent coastal ocean are critical interfaces between terrestrial and oceanic environments. Deltas are the entry point of ~50% of the fresh water and 40% of all global particulate matter entering the ocean. They are major centers for particulate and dissolved organic carbon net transfer from land to ocean.
Recent evidence suggests that coastal oceans have become net sink for atmospheric CO2 during post-industrial times and continued human pressures in coastal zones and alterations to deltas will likely have an important impact on the future evolution of the coastal ocean’s carbon budget.
Despite the importance of deltas and blue carbon ecosystems to the global carbon cycle and coastal communities, land-to-ocean parameterizations in Earth System models are highly simplified and do not mechanistically include many of the processes involved in cycling carbon in these areas.
Significant and critical knowledge gaps on processes, their impacts on marine biogeochemistry, and the direction of future change exist—this workshop aims to address those knowledge gaps.
We will bring together a diverse group who are committed to exploring the physical, temporal, and biogeochemical processes that modulate fluxes of carbon to and from global deltas. We will bolster community engagement and participation, with a particular emphasis on inclusion of minoritized populations, international partners, and state and federal U.S agencies through targeted activities, before, during, and after the workshop.
This scoping workshop will utilize momentum from the OCB 2023 Summer Workshop plenary session focused on deltaic systems to build a network of modelers, experimentalists, and field scientists working on deltas in this era of unprecedented climate change and other anthropogenic stresses, and will address and advance several OCB mission-specific topics:
Ocean biogeochemistry – Influence of delta systems on adjacent coastal ocean in terms of carbon cycle (DIC/ALK/pCO2) both in water column and sediment, carbon burial and lateral transport of carbon.
Ecosystems – Role of salt marshes, mangroves, and sea grass on carbon retention and burial in delta plain and net export to adjacent ocean; reconstructions and forecasts of the distribution of these coastal ecosystems.
Novel methods and integration – Employing new technologies, e.g., chronology, remote sensing, to reconstruct and monitor delta change; integrating field and model data to study processes and change across timescales (past, present, and future).
Connectivity – Variability in hydrological connectivity across delta plain and delta shelf and its impact on carbon consumption, transport and retention.
Perturbations – Impact of climate and human driven changes including extreme events on delta carbon cycling.
Biogeochemical modeling: including mechanistic understanding of carbon cycling in the land-to-ocean continuum in global models, parameterizations of blue carbon ecosystems in high-resolution ocean models, quantifying organic and inorganic carbon transfers from deltas to theocean.
Community consensus Topic #1 and Topic # 2 – TBD
DEI + ECR FOCUS
In the pre-workshop activities we will invite speakers from different continents and include in our discussions the different location-based needs from different communities (global representation). We will offer support on presentation delivery, design, and practice sessions to non-native English and early-career speakers before the actual online events, as a form of professional development.
The workshop aims to develop knowledge and define future research needs on the role of deltas in the global carbon cycle—while building an interdisciplinary community (with a focus on ECR and underrepresented minoritized scientists)—around this understudied yet critical aspect of ocean biochemistry. To distribute these outcomes to the broader community there will be a consensus paper, a global delta carbon budget infographic, and an AGU Eos piece.
PROPOSED WORKSHOP SCHEDULE
|DAY 0: Arrival, check-in, poster set-up
Evening mixer: Welcome attendees, brief workshop introduction, goals, expectations, code of conduct
|Morning – breakfast provided
|Afternoon - lunch provided
|Welcome & open the workshop
|Breakout groups (identifying unresolved scientific
Report out + discussion
Excursion to the LSU Center for River Studies (build comradery & gain inspiration)
|Dinner and networking reception
|2 Breakout/working groups (assigned)
to consider knowledge gaps identified on Day 1
Report out + discussion
|Dinner in groups –self organize
Breakout groups: work
on identified deliverables
|Breakout groups work on deliverables
Breakout groups: brainstorm ways to increase community participation
Evaluate: was community consensus achieved during the workshop?
2024 Cornell Satellite Remote Sensing Training Program
June 3-14, 2024 (Cornell Univ., Ithaca, NY)
The Ocean Carbon & Biogeochemistry (OCB) Program will support three US-based students or postdocs to participate in this course, including tuition, housing, and a travel stipend. To apply for support, please send your 2-page CV (NSF biosketch format) and a brief statement of interest (1 page max) to the OCB Project Office (email@example.com) by March 22, 2024. The statement should describe your interest in the course and its potential to enhance your research and your professional development. Application materials will be reviewed by the OCB Project Office, OCB Scientific Steering Committee leadership, and the course organizer Bruce Monger (Cornell Univ.).
Please bear in mind that this is a full immersion class and participation for the entire 2 weeks is required. Visit the course website (http://oceanography.eas.cornell.edu/satellite) for more information about the course content. If you have additional questions about the course, please contact course organizer Bruce Monger (firstname.lastname@example.org).
Application deadline: March 22, 2024
Good morning. I just had a notice regarding a need for OSM24 for Student Presentation Evaluations Program (SPEP) reviewers. There are 140 students presenting in SPEP today and 87 of these presentations have no reviewers.
Each session with an SPEP student has a liaison assigned to find three reviewers for these students. They have been contacted this morning for help, but we are all reaching out to our networks to see if anyone has a few moments to spare to do a few reviews.
Any OSM24 attendee (including students) may volunteer to review a presentation. It is relatively simple for reviewers to volunteer – you will need to access the SPEP platform using your AGU credentials, find the presentation you would like to review in the gallery, and select “Review SPEP Presentation.”
You can find the full reviewer instructions here.
Additionally, reviewers and liaisons can stop by the SPEP desk in the poster hall, where we have computers for volunteer reviewers to sign up and submit their evaluations.
Please consider evaluating one or two in your area if you can.
Thank you, all, for considering this request!
Registration will open in early April
There is currently considerable interest in margin processes within the oceanographic community, particularly in the closely related areas of carbon, nitrogen and iron cycling. To bring multiple investigators together, we are convening a Town Hall at the OSM 2024 Meeting in New Orleans on Monday from 12:45 to 1:45 (220-222, Second Floor). Much of the rationale arose from conversations within the GEOTRACES community as well as the product of the Benthic Ecosystem and Carbon Synthesis (BECS) Working Group, which has been working under the auspices of OCB for over a year. The goal of the town meeting is to start a wider conversation about margin processes amongst geochemists, biologists, physical oceanographers and modelers to talk about common problems. We are particularly excited about convening a Town Hall at this meeting to engage international researchers. Many groups, especially in Europe and Japan, have well established margin processes and we are keen to learn from them. It would greatly assist us in planning and addressing issues people care about if you could RSVP (email@example.com) and fill out this questionnaire. We plan to present an overview but the setup is informal, in order to encourage discussion. If you have some ideas or slides you would like to contribute, please send them to us for inclusion – it would be much appreciated.
We have funds for lunch for the first 30 participants!
Organizers: Cristina Schultz, Jim Moffett, Jessica Luo, Matt Long
AGU Eos highlights the following two articles emerging from OCB-led activities, including the OCB 2022 plenary session on the biological carbon pump and the 2022 OCB Workshop Marine Carbon Dioxide Removal: Essential Science and Problem Solving for Measurement, Reporting, and Verification.
The National Science Foundation, on behalf of the National Science and Technology Council Subcommittee on Ocean Science and Technology (SOST), requests input from all interested parties to inform the development of a National Ocean Biodiversity Strategy (Strategy), covering the genetic lineages, species, habitats, and ecosystems of United States (U.S.) ocean, coastal, and Great Lakes waters. Learn more and submit input by Feb. 28.