Enhanced Weathering and related element fluxes – a cropland mesocosm approach

The weathering of silicates is a major control on atmospheric CO.sub.2 at geologic timescales. It was proposed to enhance this process to actively remove CO.sub.2 from the atmosphere. While there are some studies that propose and theoretically analyze the application of rock powder to agricultural l...

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Veröffentlicht in:	Biogeosciences 2020-01, Vol.17 (1), p.103-119
Hauptverfasser:	Amann, Thorben, Hartmann, Jens, Struyf, Eric, de Oliveira Garcia, Wagner, Fischer, Elke K, Janssens, Ivan, Meire, Patrick, Schoelynck, Jonas
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Agricultural land Alkalinity Analysis Carbon dioxide Carbon dioxide atmospheric concentrations Cations Consumption Deployment Dilution Drinking water Dunite Ecosystems Evapotranspiration Experiments Field tests Fluxes Grain size Hydrology Irrigation Magnesium Mathematical analysis Mesocosms Mineralization Minerals Olivine Phosphorus Pore water Powders (Particulate matter) Precipitation Preferential flow Ratios Rocks Side effects Silicates Silicon Silicon compounds Soil Soil amendment Soil layers Soil solution Soils Trace elements Uptake Water Water quality Weathering
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Beschreibung
Zusammenfassung:	The weathering of silicates is a major control on atmospheric CO.sub.2 at geologic timescales. It was proposed to enhance this process to actively remove CO.sub.2 from the atmosphere. While there are some studies that propose and theoretically analyze the application of rock powder to agricultural land, results from field experiments are still scarce.
ISSN:	1726-4189 1726-4170 1726-4189
DOI:	10.5194/bg-17-103-2020