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Combating climate change through enhanced weathering of agricultural soils

Combating climate change through enhanced weathering of agricultural soils
Combating climate change through enhanced weathering of agricultural soils
Rising levels of atmospheric carbon dioxide (CO2) are driving increases in global temperatures. Enhanced weathering of silicate rocks is a CO2 removal technology that could help mitigate anthropogenic climate change. Enhanced weathering adds powdered silicate rock to agricultural lands, accelerating natural chemical weathering, and is expected to rapidly draw down atmospheric CO2. However, differences between enhanced and natural weathering result in significant uncertainties about its potential efficacy. This article summarizes the research into enhanced weathering and the uncertainties of enhanced weathering due to the key differences with natural weathering, as well as future research directions.
1811-5209
253-258
Andrews, M. Grace
6825edaf-7ddf-4b68-8bd0-33c7fb8b8d62
Taylor, Lyla L.
f7da673b-0f4e-457f-9924-4436c669371a
Andrews, M. Grace
6825edaf-7ddf-4b68-8bd0-33c7fb8b8d62
Taylor, Lyla L.
f7da673b-0f4e-457f-9924-4436c669371a

Andrews, M. Grace and Taylor, Lyla L. (2019) Combating climate change through enhanced weathering of agricultural soils. Elements, 15 (4), 253-258. (doi:10.2138/gselements.15.4.253).

Record type: Article

Abstract

Rising levels of atmospheric carbon dioxide (CO2) are driving increases in global temperatures. Enhanced weathering of silicate rocks is a CO2 removal technology that could help mitigate anthropogenic climate change. Enhanced weathering adds powdered silicate rock to agricultural lands, accelerating natural chemical weathering, and is expected to rapidly draw down atmospheric CO2. However, differences between enhanced and natural weathering result in significant uncertainties about its potential efficacy. This article summarizes the research into enhanced weathering and the uncertainties of enhanced weathering due to the key differences with natural weathering, as well as future research directions.

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Published date: 1 August 2019

Identifiers

Local EPrints ID: 435705
URI: http://eprints.soton.ac.uk/id/eprint/435705
ISSN: 1811-5209
PURE UUID: 820d15b4-6357-4da7-9e24-fe282a17ee06

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Date deposited: 18 Nov 2019 17:32
Last modified: 16 Mar 2024 03:51

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Contributors

Author: M. Grace Andrews
Author: Lyla L. Taylor

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