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1. The Deep Ocean Observing Strategy: Addressing Global Challenges in the Deep Sea Through Collaboration

   https://doi.org/10.4031/MTSJ.56.3.11  

   Smith, Leslie M. ; Cimoli, Laura ; LaScala-Gruenewald, Diana ; Pachiadaki, Maria ; Phillips, Brennan ; Pillar, Helen ; Stopa, Justin E. ; Baumann-Pickering, Simone ; Beaulieu, Stace E. ; Bell, Katherine L.C. ; et al ( June 2022 , Marine Technology Society Journal)

   Abstract The Deep Ocean Observing Strategy (DOOS) is an international, community-driven initiative that facilitates collaboration across disciplines and fields, elevates a diverse cohort of early career researchers into future leaders, and connects scientific advancements to societal needs. DOOS represents a global network of deep-ocean observing, mapping, and modeling experts, focusing community efforts in the support of strong science, policy, and planning for sustainable oceans. Its initiatives work to propose deep-sea Essential Ocean Variables; assess technology development; develop shared best practices, standards, and cross-calibration procedures; and transfer knowledge to policy makers and deep-ocean stakeholders. Several of these efforts align with the vision of the UN Ocean Decade to generate the science we need to create the deep ocean we want. DOOS works toward (1) a healthy and resilient deep ocean by informing science-based conservation actions, including optimizing data delivery, creating habitat and ecological maps of critical areas, and developing regional demonstration projects; (2) a predicted deep ocean by strengthening collaborations within the modeling community, determining needs for interdisciplinary modeling and observing system assessment in the deep ocean; (3) an accessible deep ocean by enhancing open access to innovative low-cost sensors and open-source plans, making deep-ocean data Findable, Accessible, Interoperable, and Reusable,more »and focusing on capacity development in developing countries; and finally (4) an inspiring and engaging deep ocean by translating science to stakeholders/end users and informing policy and management decisions, including in international waters.« less
2. A Global Ocean Oxygen Database and Atlas for Assessing and Predicting Deoxygenation and Ocean Health in the Open and Coastal Ocean

   https://doi.org/10.3389/fmars.2021.724913  

   Grégoire, Marilaure ; Garçon, Véronique ; Garcia, Hernan ; Breitburg, Denise ; Isensee, Kirsten ; Oschlies, Andreas ; Telszewski, Maciej ; Barth, Alexander ; Bittig, Henry C. ; Carstensen, Jacob ; et al ( December 2021 , Frontiers in Marine Science)

   In this paper, we outline the need for a coordinated international effort toward the building of an open-access Global Ocean Oxygen Database and ATlas (GO 2 DAT) complying with the FAIR principles (Findable, Accessible, Interoperable, and Reusable). GO 2 DAT will combine data from the coastal and open ocean, as measured by the chemical Winkler titration method or by sensors (e.g., optodes, electrodes) from Eulerian and Lagrangian platforms (e.g., ships, moorings, profiling floats, gliders, ships of opportunities, marine mammals, cabled observatories). GO 2 DAT will further adopt a community-agreed, fully documented metadata format and a consistent quality control (QC) procedure and quality flagging (QF) system. GO 2 DAT will serve to support the development of advanced data analysis and biogeochemical models for improving our mapping, understanding and forecasting capabilities for ocean O 2 changes and deoxygenation trends. It will offer the opportunity to develop quality-controlled data synthesis products with unprecedented spatial (vertical and horizontal) and temporal (sub-seasonal to multi-decadal) resolution. These products will support model assessment, improvement and evaluation as well as the development of climate and ocean health indicators. They will further support the decision-making processes associated with the emerging blue economy, the conservation of marine resources and theirmore »associated ecosystem services and the development of management tools required by a diverse community of users (e.g., environmental agencies, aquaculture, and fishing sectors). A better knowledge base of the spatial and temporal variations of marine O 2 will improve our understanding of the ocean O 2 budget, and allow better quantification of the Earth’s carbon and heat budgets. With the ever-increasing need to protect and sustainably manage ocean services, GO 2 DAT will allow scientists to fully harness the increasing volumes of O 2 data already delivered by the expanding global ocean observing system and enable smooth incorporation of much higher quantities of data from autonomous platforms in the open ocean and coastal areas into comprehensive data products in the years to come. This paper aims at engaging the community (e.g., scientists, data managers, policy makers, service users) toward the development of GO 2 DAT within the framework of the UN Global Ocean Oxygen Decade (GOOD) program recently endorsed by IOC-UNESCO. A roadmap toward GO 2 DAT is proposed highlighting the efforts needed (e.g., in terms of human resources).« less
3. Climate change considerations are fundamental to management of deep‐sea resource extraction

   https://doi.org/10.1111/gcb.15223  

   Levin, Lisa A. ; Wei, Chih‐Lin ; Dunn, Daniel C. ; Amon, Diva J. ; Ashford, Oliver S. ; Cheung, William W. L. ; Colaço, Ana ; Dominguez‐Carrió, Carlos ; Escobar, Elva G. ; Harden‐Davies, Harriet R. ; et al ( July 2020 , Global Change Biology)

   Climate change manifestation in the ocean, through warming, oxygen loss, increasing acidification, and changing particulate organic carbon flux (one metric of altered food supply), is projected to affect most deep‐ocean ecosystems concomitantly with increasing direct human disturbance. Climate drivers will alter deep‐sea biodiversity and associated ecosystem services, and may interact with disturbance from resource extraction activities or even climate geoengineering. We suggest that to ensure the effective management of increasing use of the deep ocean (e.g., for bottom fishing, oil and gas extraction, and deep‐seabed mining), environmental management and developing regulations must consider climate change. Strategic planning, impact assessment and monitoring, spatial management, application of the precautionary approach, and full‐cost accounting of extraction activities should embrace climate consciousness. Coupled climate and biological modeling approaches applied in the water and on the seafloor can help accomplish this goal. For example, Earth‐System Model projections of climate‐change parameters at the seafloor reveal heterogeneity in projected climate hazard and time of emergence (beyond natural variability) in regions targeted for deep‐seabed mining. Models that combine climate‐induced changes in ocean circulation with particle tracking predict altered transport of early life stages (larvae) under climate change. Habitat suitability models can help assess the consequences of alteredmore »larval dispersal, predict climate refugia, and identify vulnerable regions for multiple species under climate change. Engaging the deep observing community can support the necessary data provisioning to mainstream climate into the development of environmental management plans. To illustrate this approach, we focus on deep‐seabed mining and the International Seabed Authority, whose mandates include regulation of all mineral‐related activities in international waters and protecting the marine environment from the harmful effects of mining. However, achieving deep‐ocean sustainability under the UN Sustainable Development Goals will require integration of climate consideration across all policy sectors.

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4. Visiting Scientists Provide Capacity Development: Lessons Learned by POGO and SCOR

   https://doi.org/10.5670/oceanog.2021.306  

   Urban, Ed ; Seeyave, Sophie ( September 2021 , Oceanography)

   null (Ed.)

   To enable the sustainable use of their ocean resources, capacity for ocean science and observations is important for every coastal nation. In many developing areas of the world, capability for ocean science and observations is not yet adequate to meet management needs. International organizations have employed a variety of capacity development approaches to assist developing countries in building self-sustaining ocean science and observational communities. This article describes the lessons learned from visiting scientist programs conducted for more than a decade by the Partnership for Observation of the Global Ocean (POGO) and the Scientific Committee on Oceanic Research (SCOR) that dispatched ocean scientists to developing countries to train hundreds of individuals in a variety of ocean science and observation topics and techniques. From these programs, SCOR and POGO have learned that training in-country has multiple benefits to trainees, host institutions, and trainers, benefits that are not achievable when students leave their countries. These benefits include more cost-effective training on issues relevant to the host institutions using locally available technology, as well as the ability to reach a large number of trainees. Lessons learned from the POGO and SCOR programs can be used to inform the future capacity-development activities of POGO andmore »SCOR, as well as other organizations, to improve, enhance, and expand the use of in-country training and mentoring. Such approaches could contribute to the capacity development efforts of the UN Decade of Ocean Science for Sustainable Development.« less
5. COBRA: A Research Accelerator for the Crustal Ocean Biosphere

   https://doi.org/10.4031/MTSJ.55.3.14  

   Huber, Julie A. ; Orcutt, Beth N. ( May 2021 , Marine Technology Society Journal)

   Abstract The deep seafloor covers two-thirds of Earth's surface area, but our understanding of the ecosystems and resources found in the deep ocean, as well as the ability of deep-sea ecosystems to withstand human perturbation, is limited. These deep-sea habitats demand urgent study as there are emergent human uses in the form of deep-sea mining and carbon sequestration that will fundamentally alter physical, chemical, and biological conditions that took millions of years to establish. We propose the international network COBRA, a research accelerator for the crustal ocean biosphere. COBRA will bring together diverse stakeholders and experts, including interdisciplinary academic and government scientists, private institutions, policy makers, data systems engineers, industry experts, and others to coordinate efforts that generate new knowledge and inform decision making about activities that could affect the deep ocean and, by extension, all of society. We will also train the next generation of leaders in ocean exploration, science, and policy through an innovative virtual program to carry this effort into future generations of ocean and earth science research. COBRA will inform policies relating to emergent industrial uses of the deep ocean, decrease the likelihood of serious harm to the environment, and maintain ecosystem services for the benefitmore »of society.« less