Ocean-based Negative Emission Technologies - analyzing the feasibility, risks, and cobenefits of ocean-based negative emission technologies for stabilizing the climate

Project Information

OceanNETs

Grant agreement ID: 869357

DOI

10.3030/869357

Project closed

EC signature date 17 April 2020

Start date 1 July 2020

End date 30 June 2025

Funded under

• SOCIETAL CHALLENGES - Climate action, Environment, Resource Efficiency and Raw Materials

Total cost

€ 7 310 895,00

EU contribution

€ 7 192 894,75

Coordinated by

HELMHOLTZ-ZENTRUM FUR OZEANFORSCHUNG KIEL (GEOMAR)
Germany

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (55)

Respiration rate scales inversely with sinking speed of settling marine aggregates

Author(s): Kristian Spilling, Malte Heinemann, Mari Vanharanta, Moritz Baumann, Andrea Noche-Ferreira, Philipp Suessle, Ulf Riebesell
Published in: PLOS ONE, Issue 18, 2023, Page(s) e0282294, ISSN 1932-6203
Publisher: Public Library of Science
DOI: 10.1371/journal.pone.0282294

Geochemical Negative Emissions Technologies: Part II. Roadmap

Author(s): Cara N. Maesano James S. Campbell Spyros Foteinis Veronica Furey Olivia Hawrot Daniel Pike Silvan Aeschlimann Paul L. Reginato Daniel R. Goodwin Loren L. Looger Edward S. Boyden and Phil Renforth
Published in: Frontiers in climate, 2022, ISSN 2624-9553
Publisher: Frontiers Media SA
DOI: 10.3389/fclim.2022.945332

The rise, fall and rebirth of ocean carbon sequestration as a climate 'solution'

Author(s): Kari De Pryck, Miranda Boettcher
Published in: Global Environmental Change, Issue 85, 2024, Page(s) 102820, ISSN 0959-3780
Publisher: Elsevier BV
DOI: 10.1016/j.gloenvcha.2024.102820

Publics and counter-publics of net-zero

Author(s): Jose Maria Valenzuela, Javier Lezaun
Published in: Futures, Issue 156, 2024, Page(s) 103322, ISSN 0016-3287
Publisher: Elsevier BV
DOI: 10.1016/j.futures.2024.103322

Wastewater Treatment for Carbon Dioxide Removal

Author(s): Vhahangwele Masindi, Spyros Foteinis, Phil Renforth, Efthalia Chatzisymeon
Published in: ACS Omega, Issue 8, 2023, Page(s) 40251-40259, ISSN 2470-1343
Publisher: American Chemical Society (ACS)
DOI: 10.1021/acsomega.3c04231

Broaden Research on Ocean Alkalinity Enhancement to Better Characterize Social Impacts

Author(s): Sara Nawaz, Javier Lezaun, Jose Maria Valenzuela, Phil Renforth
Published in: Environmental Science & Technology, Issue 57, 2023, Page(s) 8863-8869, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.2c09595

FOCI-MOPS v1 – integration of marine biogeochemistry within the Flexible Ocean and Climate Infrastructure version 1 (FOCI 1) Earth system model

Author(s): Chia-Te Chien; Jonathan V. Durgadoo; Dana Ehlert; Ivy Frenger; David P. Keller; Wolfgang Koeve; Iris Kriest; Angela Landolfi; Lavinia Patara; Sebastian Wahl; Andreas Oschlies
Published in: Geoscientific Model Development, Issue 15, 2022, Page(s) 5987–6024, ISSN 1991-959X
Publisher: Copernicus Gesellschaft mbH
DOI: 10.5194/gmd-15-5987-2022

On the emission-path dependency of the efficiency of ocean alkalinity enhancement

Author(s): Jörg Schwinger, Timothée Bourgeois, Wilfried Rickels
Published in: Environmental Research Letters, Issue 19, 2024, Page(s) 074067, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/ad5a27

Ocean alkalinity enhancement approaches and the predictability of runaway precipitation processes: results of an experimental study to determine critical alkalinity ranges for safe and sustainable application scenarios

Author(s): Niels Suitner, Giulia Faucher, Carl Lim, Julieta Schneider, Charly A. Moras, Ulf Riebesell, Jens Hartmann
Published in: Biogeosciences, Issue 21, 2024, Page(s) 4587-4604, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-21-4587-2024

Alkalinity biases in CMIP6 Earth system models and implications for simulated CO₂ drawdown via artificial alkalinity enhancement

Author(s): Claudia Hinrichs, Peter Köhler, Christoph Völker, Judith Hauck
Published in: Biogeosciences, Issue 20, 2025, Page(s) 3717-3735, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-20-3717-2023

Grappling with a sea change: Tensions in expert imaginaries of marine carbon dioxide removal

Author(s): Sara Nawaz, Javier Lezaun
Published in: Global Environmental Change, Issue 85, 2024, Page(s) 102806, ISSN 0959-3780
Publisher: Elsevier BV
DOI: 10.1016/j.gloenvcha.2024.102806

Irreversible loss in marine ecosystem habitability after a temperature overshoot

Author(s): Yeray Santana-Falcón, Akitomo Yamamoto, Andrew Lenton, Chris D. Jones, Friedrich A. Burger, Jasmin G. John, Jerry Tjiputra, Jörg Schwinger, Michio Kawamiya, Thomas L. Frölicher, Tilo Ziehn, Roland Séférian
Published in: Communications Earth & Environment, Issue 4, 2023, ISSN 2662-4435
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s43247-023-01002-1

The role of soils in the regulation of ocean acidification.

Author(s): Renforth, P.; Campbell, J. S.
Published in: Philosophical Transactions of the Royal Society B: Biological Sciences, Issue 376 (1834), Art.Nr. 20200174, 2021, ISSN 1471-2970
Publisher: Royal Society
DOI: 10.1098/rstb.2020.0174

CMIP6 models agree on similar carbon cycle feedbacks between enhancing terrestrial and marine carbon sinks

Author(s): Hao-Wei Wey, Yiannis Moustakis, Tobias Nützel, Andreas Oschlies, Jörg Schwinger, Tomohiro Hajima, Rosie A Fisher, Tilo Ziehn, Spencer K Liddicoat, Tronje P Kemena, David P Keller
Published in: Environmental Research Letters, Issue 20, 2025, Page(s) 054029, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/adc617

Carbon Dioxide Removal via Macroalgae Open-ocean Mariculture and Sinking: An Earth System Modeling Study

Author(s): Jiajun Wu, David P. Keller, and Andreas Oschlies
Published in: Earth System Dynamics, Issue 14, 2023, Page(s) 185–221, ISSN 2190-4979
Publisher: Copernicus Gesellschaft mbH
DOI: 10.5194/esd-14-185-2023

Ocean-based negative emissions technologies: a governance framework review

Author(s): Lina Röschel, Barbara Neumann
Published in: Frontiers in Marine Science, Issue 10, 2024, ISSN 2296-7745
Publisher: Frontiers Media SA
DOI: 10.3389/fmars.2023.995130

Cascading effects augment the direct impact of CO2 on phytoplankton growth in a biogeochemical model

Author(s): Miriam Seifert; Cara Nissen; Björn Rost; Judith Hauck
Published in: EPIC3Elementa: Science of the Anthropocene, Issue 10 (1): 00104, 2022, ISSN 2325-1026
Publisher: University of California Press
DOI: 10.1525/elementa.2021.00104

Riverine nitrogen supply to the global ocean and its limited impact on global marine primary production: a feedback study using an Earth system model

Author(s): Miriam Tivig, David P. Keller, Andreas Oschlies
Published in: Biogeosciences, Issue 18, 2025, Page(s) 5327-5350, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-18-5327-2021

Growth response of <i>Emiliania huxleyi</i> to ocean alkalinity enhancement

Author(s): Giulia Faucher, Mathias Haunost, Allanah Joy Paul, Anne Ulrike Christiane Tietz, Ulf Riebesell
Published in: Biogeosciences, Issue 22, 2025, Page(s) 405-415, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-22-405-2025

A review of measurement for quantification of carbon dioxide removal by enhanced weathering in soil

Author(s): Matthew O. Clarkson, Christina S. Larkin, Philipp Swoboda, Tom Reershemius, T. Jesper Suhrhoff, Cara N. Maesano, James S. Campbell
Published in: Frontiers in Climate, Issue 6, 2024, ISSN 2624-9553
Publisher: Frontiers Media SA
DOI: 10.3389/fclim.2024.1345224

The need for local governance of global commons: The example of blue carbon ecosystems

Author(s): Merk, C., Grunau, J., Riekhof, M.C., Rickels, W.
Published in: Ecoological Economis, Issue 201, 107581, 2022, ISSN 0921-8009
Publisher: Elsevier BV
DOI: 10.1016/j.ecolecon.2022.107581

Mesocosm experiments in ocean alkalinity enhancement research

Author(s): Ulf Riebesell, Daniela Basso, Sonja Geilert, Andrew W. Dale, Matthias Kreuzburg
Published in: State of the Planet, Issue 2-oae2023, 2025, Page(s) 1-14, ISSN 2752-0706
Publisher: Copernicus GmbH
DOI: 10.5194/sp-2-oae2023-6-2023

Assessing the impact of CO₂-equilibrated ocean alkalinity enhancement on microbial metabolic rates in an oligotrophic system

Author(s): Laura Marín-Samper, Javier Arístegui, Nauzet Hernández-Hernández, Joaquín Ortiz, Stephen D. Archer, Andrea Ludwig, Ulf Riebesell
Published in: Biogeosciences, Issue 21, 2024, Page(s) 2859-2876, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-21-2859-2024

Meeting Carbon Dioxide Removal Demand in 2030: The Potential of Macroalgae Cultivation and Harvest

Author(s): Lotta Siebert, Jiajun Wu, Lena-Katharina Bednarz, David Keller, Felix Meier, Christine Merk, Sonja Peterson, Wilfried Rickels
Published in: Journal of Ocean and Coastal Economics, Issue 12, 2025, ISSN 2373-8456
Publisher: Center for the Blue Economy
DOI: 10.15351/2373-8456.1203

Emit now, mitigate later? Earth system reversibilityunder overshoots of different magnitudes and durations

Author(s): Jörg Schwinger, Ali Asaadi, Norman Julius Steinert, and Hanna Lee
Published in: Earth System Dynamics, Issue 13, 2022, Page(s) 1641–1665, ISSN 2190-4979
Publisher: Copernicus Gesellschaft mbH
DOI: 10.5194/esd-13-1641-2022

Riverine nutrient impact on global ocean nitrogen cycle feedbacks and marine primary production in an Earth system model

Author(s): Miriam Tivig, David P. Keller, Andreas Oschlies
Published in: Biogeosciences, Issue 21, 2024, Page(s) 4469-4493, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-21-4469-2024

Life Cycle Assessment of Coastal Enhanced Weathering for Carbon Dioxide Removal from Air

Author(s): Spyros Foteinis, James S Campbell, Phil Renforth
Published in: Environmental Science &amp; Technology, Issue 57, 2023, Page(s) 6169-6178, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.2c08633

A method to identify barriers to and enablers of implementing climate change mitigation options.

Author(s): Linda Steg, Janet Veldstra, Kiane de Kleijne, Şiir Kılkış, André F.P. Lucena, Lars J. Nilsson, Masahiro Sugiyama, Pete Smith, Massimo Tavoni, Heleen de Coninck, Renée van Diemen, Phil Renforth, Sebastian Mirasgedis, Gregory Nemet, Robert Görsch, Helene Muri, Paolo Bertoldi, Luisa F. Cabeza, Érika Mata, Aleksandra Novikova, Lucas R. Caldas, Marta Chàfer, Radhika Khosla, David Vérez
Published in: One Earth, Issue Volume 5, Issue 11, 2022, Page(s) 1216-1227, ISSN 2590-3322
Publisher: Elsevier
DOI: 10.1016/j.oneear.2022.10.007

The ocean carbon sink enhances countries’ inclusive wealth and reduces the cost of national climate policies

Author(s): Wilfried Rickels, Felix Meier, Sonja Peterson, Sina Rühland, Sneha Thube, Johannes Karstensen, Conny Posern, Claudia Wolff, Athanasios T. Vafeidis, Patricia Grasse, Martin Quaas
Published in: Communications Earth &amp; Environment, Issue 5, 2024, ISSN 2662-4435
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s43247-024-01674-3

Resilience of Phytoplankton and Microzooplankton Communities under Ocean Alkalinity Enhancement in the Oligotrophic Ocean

Author(s): Xiaoke Xin, Silvan Urs Goldenberg, Jan Taucher, Annegret Stuhr, Javier Arístegui, Ulf Riebesell
Published in: Environmental Science &amp; Technology, Issue 58, 2024, Page(s) 20918-20930, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.4c09838

Ocean alkalinity enhancement (OAE) does not cause cellular stress in a phytoplankton community of the subtropical Atlantic Ocean

Author(s): Librada Ramírez, Leonardo J. Pozzo-Pirotta, Aja Trebec, Víctor Manzanares-Vázquez, José L. Díez, Javier Arístegui, Ulf Riebesell, Stephen D. Archer, María Segovia
Published in: Biogeosciences, Issue 22, 2025, Page(s) 1865-1886, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-22-1865-2025

Biogeochemical Timescales of Climate Change Onset and Recovery in the North Atlantic Interior Under Rapid Atmospheric CO2 Forcing

Author(s): Leonardo Bertini and Jerry Tjiputra
Published in: Journal of Geophysical Research - Oceans, Issue 127, 2022, ISSN 2169-9291
Publisher: Wiley-Blackwell
DOI: 10.1029/2021jc017929

Hugging the Shore: Tackling Marine Carbon Dioxide Removal as a Local Governance Problem

Author(s): Javier Lezaun
Published in: Frontiers in Climate, Issue 3:684063, 2021, ISSN 2624-9553
Publisher: Lausanne: Frontiers Media SA
DOI: 10.3389/fclim.2021.684063

Plankton food web structure and productivity under ocean alkalinity enhancement

Author(s): Nicolás Sánchez, Silvan U. Goldenberg, Daniel Brüggemann, Cornelia Jaspers, Jan Taucher, Ulf Riebesell
Published in: Science Advances, Issue 10, 2024, ISSN 2375-2548
Publisher: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/sciadv.ado0264

Particle fluxes by subtropical pelagic communities under ocean alkalinity enhancement

Author(s): Philipp Suessle, Jan Taucher, Silvan Urs Goldenberg, Moritz Baumann, Kristian Spilling, Andrea Noche-Ferreira, Mari Vanharanta, Ulf Riebesell
Published in: Biogeosciences, Issue 22, 2025, Page(s) 71-86, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-22-71-2025

Early life stages of fish under ocean alkalinity enhancement in coastal plankton communities

Author(s): Silvan Urs Goldenberg, Ulf Riebesell, Daniel Brüggemann, Gregor Börner, Michael Sswat, Arild Folkvord, Maria Couret, Synne Spjelkavik, Nicolás Sánchez, Cornelia Jaspers, Marta Moyano
Published in: Biogeosciences, Issue 21, 2024, Page(s) 4521-4532, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-21-4521-2024

Stability of alkalinity in Ocean Alkalinity Enhancement (OAE) approaches – consequences for durability of CO2 storage

Author(s): Hartmann, Jens; Suitner, Niels; Lim, Carl; Schneider, Julieta; Marín-Samper, Laura; Arístegui, Javier; Renforth, Phil; Taucher, Jan; Riebesell, Ulf
Published in: Biogeosciences, Issue 20, 2023, Page(s) 781-802, ISSN 1726-4170
Publisher: European Geosciences Union (EGU).
DOI: 10.5194/bg-20-781-2023

Mögliche Effizienzgewinne durch die Einführung eines länderübergreifenden Emissionshandels für den Gebäude- und Straßenverkehrssektor in der Europäischen Union

Author(s): Wilfried Rickels, Christian Rischer, Felix Schenuit, Sonja Peterson
Published in: Perspektiven der Wirtschaftspolitik, Issue 25, 2024, Page(s) 70-80, ISSN 1465-6493
Publisher: Blackwell Publishing Inc.
DOI: 10.1515/pwp-2023-0022

Geochemical Negative Emissions Technologies: Part I. Review

Author(s): James S. Campbell, Spyros Foteinis Veronica Furey Olivia Hawrot Daniel Pike Silvan Aeschlimann, Cara N. Maesano Paul L. Reginato Daniel R. Goodwin Loren L. Looger Edward S. Boyden and Phil Renforth
Published in: Frontiers in Climate, Issue 4, 2022, ISSN 2624-9553
Publisher: Frontiers Media SA
DOI: 10.3389/fclim.2022.879133

Responses of microbial metabolic rates to non-equilibrated silicate- versus calcium-based ocean alkalinity enhancement

Author(s): Laura Marín-Samper, Javier Arístegui, Nauzet Hernández-Hernández, Ulf Riebesell
Published in: Biogeosciences, Issue 21, 2024, Page(s) 5707-5724, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-21-5707-2024

Potential impacts of marine carbon dioxide removal on ocean oxygen

Author(s): Andreas Oschlies, Caroline P Slomp, Andrew H Altieri, Natalya D Gallo, Marilaure Gregoire, Kirsten Isensee, Lisa A Levin, Jiajun Wu
Published in: Environmental Research Letters, Issue 20, 2025, Page(s) 073002, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/ade0d4

The meaning of net zero and how to get it right

Author(s): Sam Fankhauser; Stephen M. Smith; Myles Allen; Kaya Axelsson; Thomas Hale; Cameron Hepburn; J. Michael Kendall; Radhika Khosla; Javier Lezaun; Eli Mitchell-Larson; Michael Obersteiner; Lavanya Rajamani; Rosalind Rickaby; Nathalie Seddon; Thom Wetzer
Published in: Nature Climate Change, Issue 12, 2022, Page(s) 15–21, ISSN 1758-6798
Publisher: Nature Publishing Group
DOI: 10.1038/s41558-021-01245-w

Ocean alkalinity enhancement in an open-ocean ecosystem: biogeochemical responses and carbon storage durability

Author(s): Allanah Joy Paul, Mathias Haunost, Silvan Urs Goldenberg, Jens Hartmann, Nicolás Sánchez, Julieta Schneider, Niels Suitner, Ulf Riebesell
Published in: Biogeosciences, Issue 22, 2025, Page(s) 2749-2766, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-22-2749-2025

Assessing the technical aspects of ocean-alkalinity-enhancement approaches

Author(s): Matthew D. Eisaman, Sonja Geilert, Phil Renforth, Laura Bastianini, James Campbell, Andrew W. Dale, Spyros Foteinis, Patricia Grasse, Olivia Hawrot, Carolin R. Löscher, Greg H. Rau, Jakob Rønning
Published in: State of the Planet, Issue 2-oae2023, 2025, Page(s) 1-29, ISSN 2752-0706
Publisher: Copernicus GmbH
DOI: 10.5194/sp-2-oae2023-3-2023

Using ikaite and other hydrated carbonate minerals to increase ocean alkalinity for carbon dioxide removal and environmental remediation

Author(s): Renforth, P., Baltruschat, S., Peterson, K., Mihailova, B. D., & Hartmann, J.
Published in: Joule, Issue 6 (12), 2022, Page(s) 2674-2679, ISSN 2542-4351
Publisher: Elsevier
DOI: 10.1016/j.joule.2022.11.001

Climate targets, carbon dioxide removal, and the potential role of ocean alkalinity enhancement

Author(s): Andreas Oschlies, Lennart T. Bach, Rosalind E. M. Rickaby, Terre Satterfield, Romany Webb, Jean-Pierre Gattuso
Published in: State of the Planet, Issue 2-oae2023, 2025, Page(s) 1-9, ISSN 2752-0706
Publisher: Copernicus GmbH
DOI: 10.5194/sp-2-oae2023-1-2023

Life cycle assessment of ocean liming for carbon dioxide removal fromthe atmosphere

Author(s): Spyros Foteinis, John Andresen, Francesco Campo, Stefano Caserini ,Phil Renforth
Published in: Journal of Cleaner Production, Issue 370, 2022, ISSN 0959-6526
Publisher: Elsevier BV
DOI: 10.1016/j.jclepro.2022.133309

Energy potentials and water requirements from perennial grasses on abandoned land in the former Soviet Union

Author(s): Jan Sandstad Næss; Cristina Maria Iordan; Helene Muri; Francesco Cherubini
Published in: Environmental Research Letters, Issue 17, 2022, Page(s) 045017, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/ac5e67

Public Perceptions of Ocean-Based Carbon Dioxide Removal: The Nature-Engineering Divide?

Author(s): Christine Bertram; Christine Merk
Published in: Frontiers in Climate, Issue 2:594194, 2020, ISSN 2624-9553
Publisher: Lausanne: Frontiers Media SA
DOI: 10.3389/fclim.2020.594194

Can ‘Net Zero’ still be an instrument of climate justice?

Author(s): Radhika Khosla, Javier Lezaun, Alexis McGivern, Jessica Omukuti
Published in: Environmental Research Letters, Issue 18, 2023, Page(s) 061001, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/acd130

Editorial: The Role of Ocean-Based Negative Emission Technologies for Climate Mitigation

Author(s): David P. Keller; Kerryn Brent; Lennart T. Bach; Wilfried Rickels
Published in: Frontiers in Climate, Issue 3:743816, 2021, ISSN 2624-9553
Publisher: Lausanne: Frontiers Media SA
DOI: 10.3389/fclim.2021.743816

Scientific literature on carbon dioxide removal revealed as much larger through AI-enhanced systematic mapping

Author(s): Sarah Lück, Max Callaghan, Malgorzata Borchers, Annette Cowie, Sabine Fuss, Matthew Gidden, Jens Hartmann, Claudia Kammann, David P. Keller, Florian Kraxner, William F. Lamb, Niall Mac Dowell, Finn Müller-Hansen, Gregory F. Nemet, Benedict S. Probst, Phil Renforth, Tim Repke, Wilfried Rickels, Ingrid Schulte, Pete Smith, Stephen M. Smith, Daniela Thrän, Tiffany G. Troxler, Volker Sick, Mijndert
Published in: Nature Communications, Issue 16, 2025, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-025-61485-8

Earth system responses to carbon dioxide removal as exemplified by ocean alkalinity enhancement: tradeoffs and lags

Author(s): Aurich Jeltsch-Thömmes, Giang Tran, Sebastian Lienert, David P Keller, Andreas Oschlies, Fortunat Joos
Published in: Environmental Research Letters, Issue 19, 2024, Page(s) 054054, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/ad4401

Investigating the effect of silicate- and calcium-based ocean alkalinity enhancement on diatom silicification

Author(s): Aaron Ferderer, Kai G. Schulz, Ulf Riebesell, Kirralee G. Baker, Zanna Chase, Lennart T. Bach
Published in: Biogeosciences, Issue 21, 2025, Page(s) 2777-2794, ISSN 1726-4189
Publisher: Copernicus GmbH
DOI: 10.5194/bg-21-2777-2024

Prudent carbon dioxide removal strategies hedge against high climate sensitivity

Author(s): Theresa Schaber, Tommi Ekholm, Joonas Merikanto, Antti-Ilari Partanen
Published in: Communications Earth &amp; Environment, Issue 5, 2024, ISSN 2662-4435
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s43247-024-01456-x

Other (12)

Achieving Climate Neutrality and Paris Agreement Goals: Opportunities for Ocean-Based Methods of Carbon Dioxide Removal, Science Policy Brief

Author(s): Keller, David P. , Ketelhake, Sandra, Meyer, Judith, Neumann, Barbara, Oschlies, Andreas , Proelß, Alexander und Rickels, Wilfried
Published in: 2022
Publisher: OceanNETs & CDRmare
DOI: 10.3289/cdrmare.oceannets_1

Potential efficiency gains from the introduction of an emissions trading system for the buildings and road transport sectors in the European Union

Author(s): Rickels W., Rischer C., Schenuit F., Peterson S.
Published in: Kiel Working Paper, 2023
Publisher: Kiel Institute for the World Economy

The Need for Local Governance of Global Commons: The Example of Blue Carbon Ecosystems

Author(s): Christine Merk, Jonas Grunau, Marie‐Catherine Riekhof, Wilfried Rickels
Published in: Kiel Working Paper, Issue 2201, 2021
Publisher: Kiel Institute for the World Economy

Air-sea gas exchange measurements helped derive in-situ organic and inorganic carbon fixation in response to Ocean Alkalinity Enhancement in a temperate plankton community

Author(s): Julieta Schneider, Ulf Riebesell, Charly André Moras, Laura Marín-Samper, Leila Kittu, Joaquín Ortíz-Cortes, Kai George Schulz
Published in: Preprint egusphere, 2025
Publisher: Copernicus GmbH
DOI: 10.5194/egusphere-2025-524

Carbon dioxide removal in a global analytic climate economy

Author(s): Felix Meier, Wilfried Rickels, Martin Quaas, Christian Traeger
Published in: Kiel Working Papers, Issue 2227, 2022
Publisher: IfW

Accounting for terrestrial and marine carbon sink enhancement

Author(s): Marius Paschen, Felix Meier, Wilfried Rickels
Published in: Kiel Working Paper, Issue 2204, 2021
Publisher: Kiel Institute for the World Economy

A Research Strategy for Ocean-based Carbon Dioxide Removal and Sequestration

Author(s): Holly Buck, Ken Buesseler, M. Debora Iglesias-Rodriguez, Kathryn Moran, Andreas Oschlies, Phil Renforth, Joe Roman, Gaurav N. Sant, David A. Siegel, Romany Webb, Angelicque White,
Published in: 2022
Publisher: The National Academies Press
DOI: 10.17226/26278

Ocean alkalinity enhancement in an open ocean ecosystem: Biogeochemical responses and carbon storage durability

Author(s): Allanah Joy Paul, Mathias Haunost, Silvan Urs Goldenberg, Jens Hartmann, Nicolás Sánchez, Julieta Schneider, Niels Suitner, Ulf Riebesell
Published in: EGUsphere, 2025
Publisher: Copernicus GmbH
DOI: 10.5194/egusphere-2024-417

Surface area and Ω-aragonite oversaturation as controls of the runaway precipitation process in ocean alkalinity enhancement

Author(s): Niels Suitner, Jens Hartmann, Selene Varliero, Giulia Faucher, Philipp Suessle, Charly A. Moras
Published in: Preprint egusphere, 2025
Publisher: Copernicus GmbH
DOI: 10.5194/egusphere-2025-381

A Code of Conduct for Marine Carbon Dioxide Removal Research

Author(s): Boettcher, Miranda, Chai, Fei, Canothan, Michael, Cooley, Sarah, Keller, David P. , Klinsky, Sonja, Lezaun, Javier, Renforth, Phil, Scobie, Michelle und Webb, Romany M.
Published in: 2023
Publisher: Aspen Institute

Negative Emissions and Carbon Dioxide Removal (CDR) including Ocean Scenarios, NETI Policy Brief 01/2022

Author(s): Sørensen, A (ed), C. Banet, M. Bjordal, M. Bjørndal, J. Fuhrman, D.O. Hessen, M.S. Hole, F. Levihn, C. Merk, M. Mistry, P. Moss, F. Ramos, S. Roussanaly, J.S. Røttereng, J. Skjermo, A. Torvanger, K. Weber, A. Tomasgard
Published in: NETI Policy Brief 01/2022, 2022
Publisher: NTNU

James S. Campbell, Laura Bastianini, Jim Buckman, Liam Bullock, Spyros Foteinis, Veronica Furey, Jess Hamilton, Kirsty Harrington, Olivia K. Hawrot, Phil Holdship, William J. Knapp, Cara N. Maesano, William M. Mayes, Philip A. E. Pogge von Strandmann, Tom Reershemius, Georgina Margaret Rosair, Fiona Sturgeon, Connor Turvey, Sasha Wilson, Phil Renforth

Author(s): James Campbell, Phil Renforth
Published in: Heriot Watt University - Research Portal, 2023
Publisher: Heriot-Watt University
DOI: 10.17861/2ge7-re08

Non-peer reviewed articles (1)

SolACE - Solar Geoengineering in an Analytic Climate Economy

Author(s): Meier, F., Trager, C.
Published in: SSRN Working Paper, 2022, ISSN 1556-5068
Publisher: Elsevier
DOI: 10.2139/ssrn.3958821

Book chapters (1)

Chapter 7: Geochemical Negative Emission Technologies

Author(s): Olivia Hawrot ; James Campbell ; Frances Buckingham ; Phil Renforth
Published in: Greenhouse Gas Removal Technologies, 2022
Publisher: Royal Society of Chemistry
DOI: 10.1039/9781839165245-00138

Conference proceedings (1)

Global governance of ocean-based negative emission technologies. Exploring gaps, challenges, and opportunities.

Author(s): Neumann, B., Röschel, L.
Published in: EGU General Assembly 2022, 23–27 May 2022, 2022, Page(s) EGU22-893
Publisher: EGU
DOI: 10.5194/egusphere-egu22-893