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Hydrologic Regulation of Chemical Weathering and the Geologic Carbon Cycle
Abstract
Hydrologic Thermostat: When the silicate-rich rocks and minerals in Earth's interior are uplifted and exposed to Earth's surface, they dissolve. On a geologic time scale, this chemical weathering process ultimately creates a sink for CO 2 , thereby influencing global temperatures. Maher and Chamberlain (p. 1502 , published online 13 March) developed a theoretical framework for understanding the fundamental relationship between weathering, tectonics, and the geological carbon cycle. The analysis suggests that temperature plays less of a role in regulating chemical weathering—which is dependent on the balance of tectonic uplift and erosion—than runoff on continents and the time that silicate minerals are exposed to fluids. Plateaus in weathering fluxes with increasing runoff or temperature allows for the stabilization of atmospheric CO 2 despite high rates of uplift or erosion.
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Cites
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The global volume and distribution of modern groundwater
Gleeson, T., Befus, K. M., Jasechko, S., Luijendijk, E., & Cardenas, M. B. (2016) · Nature Geoscience · doi:10.1038/ngeo2590 · Cited by 772
Terrestrial carbon inputs to inland waters: A current synthesis of estimates and uncertainty
Drake, T. W., Raymond, P. A., & Spencer, R. G. M. (2018) · Limnology and Oceanography Letters · doi:10.1002/lol2.10055 · Cited by 707
The geologic history of seawater pH
Halevy, I., & Bachan, A. (2017) · Science · doi:10.1126/science.aal4151 · Cited by 376
Geophysical imaging reveals topographic stress control of bedrock weathering
St. Clair, J., Moon, S., Holbrook, W. S., Perron, J. T., Riebe, C. S., Martel, S. J., Carr, B., Harman, C., Singha, K., & Richter, D. D. (2015) · Science · doi:10.1126/science.aab2210 · Cited by 369
Potential and costs of carbon dioxide removal by enhanced weathering of rocks
Strefler, J., Amann, T., Bauer, N., Kriegler, E., & Hartmann, J. (2018) · Environmental Research Letters · doi:10.1088/1748-9326/aaa9c4 · Cited by 372
Metadata
- Authors
- Maher, K., & Chamberlain, C. P.
- Venue
- Science
- Published
- 2014-03-28
- Volume
- 343
- Issue
- 6178
- Pages
- 1502-1504
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2067487196
- Cited by
- 628
- References
- 7
- FWCI
- 29.13
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.