Increased carbon capture by a silicate-treated forested watershed affected by acid deposition

Taylor, Lyla L.; Driscoll, Charles T.; Groffman, Peter M.; Rau, Greg H.; Blum, Joel D.; Beerling, David J.

doi:https://doi.org/10.5194/bg-18-169-2021

Articles | Volume 18, issue 1

https://doi.org/10.5194/bg-18-169-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-18-169-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 1

Research article

| Highlight paper

|

12 Jan 2021

Research article | Highlight paper |

| 12 Jan 2021

Increased carbon capture by a silicate-treated forested watershed affected by acid deposition

Lyla L. Taylor, Charles T. Driscoll, Peter M. Groffman, Greg H. Rau, Joel D. Blum, and David J. Beerling

Supplement

https://doi.org/10.5194/bg-18-169-2021-supplement

Data sets

Streamwater Ca, Sr and 87Sr/86Sr measurements on Watershed 1 at the Hubbard Brook Experimental Forest J. D. Blum https://doi.org/10.6073/pasta/43ebc0f959780cfc30b7ad53cc4a3d3e

Daily Streamflow by Watershed, 1956–present J. Campbell https://doi.org/10.6073/pasta/727ee240e0b1e10c92fa28641bedb0a3

Daily Mean Temperature Data, 1955–present. J. Campbell https://doi.org/10.6073/pasta/75b416d670de920c5ace92f8f3182964

Forest Inventory of a Calcium Amended Northern Hardwood Forest: Watershed 1, 2001 C. T. Driscoll, S. W. Bailey, J. D. Blum, D. C. Buso, C. Eagar, T. J. Fahey, M. Fisk, P. M. Groffman, C. Johnson, G. Likens, S. P. Hamburg, and T. G. Siccama https://doi.org/10.6073/pasta/a2300121b6d594bbfcb3256ca1c300c8

Longitudinal Stream Chemistry at the Hubbard Brook Experimental Forest, Watershed 1, 1991–present. C. T. Driscoll https://doi.org/10.6073/pasta/fcfa498c5562ee55f6e84d7588a980d2

Longitudinal Stream Chemistry at the Hubbard Brook Experimental Forest, Watershed 6, 1982–present. C. T. Driscoll https://doi.org/10.6073/pasta/0033e820ff0e6a055382d4548dc5c90c

Forest Inventory of a Calcium Amended Northern Hardwood Forest: Watershed 1, 1996 C. T. Driscoll, S. W. Bailey, J. D. Blum, D. C. Buso, C. Eagar, T. J. Fahey, M. Fisk, P. M. Groffman, C. Johnson, G. Likens, S. P. Hamburg, and T. G. Siccama https://doi.org/10.6073/pasta/9ff720ba22aef2b40fc5d9a7b374aa52

Forest soil: atmosphere fluxes of carbon dioxide, nitrous oxide and methane at the Hubbard Brook Experimental Forest, 1997–present P. M. Groffman https://doi.org/10.6073/pasta/9d017f1a32cba6788d968dc03632ee03

Chemistry of Bulk Precipitation at Hubbard Brook Experimental Forest, Watershed 6, 1963–present G. E. Likens https://doi.org/10.6073/pasta/8d2d88dc718b6c5a2183cd88aae26fb1

Chemistry of Bulk Precipitation at Hubbard Brook Experimental Forest, Watershed 1, 1963–present G. E. Likens https://doi.org/10.6073/pasta/df90f97d15c28daeb7620b29e2384bb9

Forest Inventory of a Calcium Amended Northern Hardwood Forest: Watershed 1, 2011 J. J. Battles, C. T. Driscoll Jr., S. W. Bailey, J. D. Blum, D. C. Buso, T. J. Fahey, M. Fisk, P. M. Groffman, C. Johnson, and G. Likens https://doi.org/10.6073/pasta/94f9084a3224c1e3e0ed38763f8dae02

Forest Inventory of a Calcium Amended Northern Hardwood Forest: Watershed 1, 2006 J. J. Battles, C. T. Driscoll Jr., S. W. Bailey, J. D. Blum, D. C. Buso, T. J. Fahey, M. Fisk, P. M. Groffman, C. Johnson, and G. Likens https://doi.org/10.6073/pasta/37c5a5868158e87db2d30c2d62a57e14

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Short summary

Enhanced rock weathering (ERW) is a carbon dioxide removal (CDR) strategy involving soil amendments with silicate rock dust. Over 15 years, a small silicate application led to net CDR of 8.5–11.5 t CO₂/ha in an acid-rain-impacted New Hampshire forest. We accounted for the total carbon cost of treatment and compared effects with an adjacent, untreated forest. Our results suggest ERW can improve the greenhouse gas balance of similar forests in addition to mitigating acid rain effects.