The role of soils in the regulation of ocean acidification
Soils play an important role in mediating chemical weathering reactions and carbon transfer from the land to the ocean. Proposals to increase the contribution of alkalinity to the oceans through ‘enhanced weathering’ as a means to help prevent climate change are gaining increasing attention. This wo...
Published in: | Philosophical Transactions of the Royal Society B: Biological Sciences |
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crroyalsociety:10.1098/rstb.2020.0174 2024-09-30T14:40:43+00:00 The role of soils in the regulation of ocean acidification Renforth, P. Campbell, J. S. Natural Environment Research Council European Commission 2021 http://dx.doi.org/10.1098/rstb.2020.0174 https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.2020.0174 https://royalsocietypublishing.org/doi/full-xml/10.1098/rstb.2020.0174 en eng The Royal Society https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ Philosophical Transactions of the Royal Society B: Biological Sciences volume 376, issue 1834, page 20200174 ISSN 0962-8436 1471-2970 journal-article 2021 crroyalsociety https://doi.org/10.1098/rstb.2020.0174 2024-09-09T06:01:18Z Soils play an important role in mediating chemical weathering reactions and carbon transfer from the land to the ocean. Proposals to increase the contribution of alkalinity to the oceans through ‘enhanced weathering’ as a means to help prevent climate change are gaining increasing attention. This would augment the existing connection between the biogeochemical function of soils and alkalinity levels in the ocean. The feasibility of enhanced weathering depends on the combined influence of what minerals are added to soils, the formation of secondary minerals in soils and the drainage regime, and the partial pressure of respired CO 2 around the dissolving mineral. Increasing the alkalinity levels in the ocean through enhanced weathering could help to ameliorate the effects of ocean acidification in two ways. First, enhanced weathering would slightly elevate the pH of drainage waters, and the receiving coastal waters. The elevated pH would result in an increase in carbonate mineral saturation states, and a partial reversal in the effects of elevated CO 2 . Second, the increase in alkalinity would help to replenish the ocean's buffering capacity by maintaining the ‘Revelle Factor’, making the oceans more resilient to further CO 2 emissions. However, there is limited research on the downstream and oceanic impacts of enhanced weathering on which to base deployment decisions. This article is part of the theme issue ‘The role of soils in delivering Nature's Contributions to People’. Article in Journal/Newspaper Ocean acidification The Royal Society Philosophical Transactions of the Royal Society B: Biological Sciences 376 1834 20200174 |
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The Royal Society |
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crroyalsociety |
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English |
description |
Soils play an important role in mediating chemical weathering reactions and carbon transfer from the land to the ocean. Proposals to increase the contribution of alkalinity to the oceans through ‘enhanced weathering’ as a means to help prevent climate change are gaining increasing attention. This would augment the existing connection between the biogeochemical function of soils and alkalinity levels in the ocean. The feasibility of enhanced weathering depends on the combined influence of what minerals are added to soils, the formation of secondary minerals in soils and the drainage regime, and the partial pressure of respired CO 2 around the dissolving mineral. Increasing the alkalinity levels in the ocean through enhanced weathering could help to ameliorate the effects of ocean acidification in two ways. First, enhanced weathering would slightly elevate the pH of drainage waters, and the receiving coastal waters. The elevated pH would result in an increase in carbonate mineral saturation states, and a partial reversal in the effects of elevated CO 2 . Second, the increase in alkalinity would help to replenish the ocean's buffering capacity by maintaining the ‘Revelle Factor’, making the oceans more resilient to further CO 2 emissions. However, there is limited research on the downstream and oceanic impacts of enhanced weathering on which to base deployment decisions. This article is part of the theme issue ‘The role of soils in delivering Nature's Contributions to People’. |
author2 |
Natural Environment Research Council European Commission |
format |
Article in Journal/Newspaper |
author |
Renforth, P. Campbell, J. S. |
spellingShingle |
Renforth, P. Campbell, J. S. The role of soils in the regulation of ocean acidification |
author_facet |
Renforth, P. Campbell, J. S. |
author_sort |
Renforth, P. |
title |
The role of soils in the regulation of ocean acidification |
title_short |
The role of soils in the regulation of ocean acidification |
title_full |
The role of soils in the regulation of ocean acidification |
title_fullStr |
The role of soils in the regulation of ocean acidification |
title_full_unstemmed |
The role of soils in the regulation of ocean acidification |
title_sort |
role of soils in the regulation of ocean acidification |
publisher |
The Royal Society |
publishDate |
2021 |
url |
http://dx.doi.org/10.1098/rstb.2020.0174 https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.2020.0174 https://royalsocietypublishing.org/doi/full-xml/10.1098/rstb.2020.0174 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Philosophical Transactions of the Royal Society B: Biological Sciences volume 376, issue 1834, page 20200174 ISSN 0962-8436 1471-2970 |
op_rights |
https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ |
op_doi |
https://doi.org/10.1098/rstb.2020.0174 |
container_title |
Philosophical Transactions of the Royal Society B: Biological Sciences |
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376 |
container_issue |
1834 |
container_start_page |
20200174 |
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