Articles | Volume 17, issue 7
https://doi.org/10.5194/bg-17-2107-2020
https://doi.org/10.5194/bg-17-2107-2020
Research article
 | 
17 Apr 2020
Research article |  | 17 Apr 2020

Impacts of enhanced weathering on biomass production for negative emission technologies and soil hydrology

Wagner de Oliveira Garcia, Thorben Amann, Jens Hartmann, Kristine Karstens, Alexander Popp, Lena R. Boysen, Pete Smith, and Daniel Goll

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Cited articles

14688-1:2002: 14688-1:2002: Geotechnical investigation and testing–Identification and classification of soil–Part 1: Identification and description, International Organization for Standardization, Geneva, 2002. 
Achat, D. L., Augusto, L., Gallet-Budynek, A., and Loustau, D.: Future challenges in coupled C–N–P cycle models for terrestrial ecosystems under global change: a review, Biogeochemistry, 131, 173–202, https://doi.org/10.1007/s10533-016-0274-9, 2016. 
Amann, T. and Hartmann, J.: Ideas and perspectives: Synergies from co-deployment of negative emission technologies, Biogeosciences, 16, 2949–2960, https://doi.org/10.5194/bg-16-2949-2019, 2019. 
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Biomass-based terrestrial negative emission technologies (tNETS) have high potential to sequester CO2. Many CO2 uptake estimates do not include the effect of nutrient deficiencies in soils on biomass production. We show that nutrients can be partly resupplied by enhanced weathering (EW) rock powder application, increasing the effectiveness of tNETs. Depending on the deployed amounts of rock powder, EW could also improve soil hydrology, adding a new dimension to the coupling of tNETs with EW.
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