The known unknowns of petrogenic organic carbon in soils

Simple item page
dc.contributor.authorEvans, Daniel L.
dc.contributor.authorDoetterl, Sebastian
dc.contributor.authorGallarotti, Nora
dc.contributor.authorGeorgiadis, Eleanor
dc.contributor.authorNabhan, Sami
dc.contributor.authorWartenweiler, Stephan H.
dc.contributor.authorRhyner, Timo M. Y.
dc.contributor.authorMittelbach, Benedict V. A.
dc.contributor.authorEglinton, Timothy I.
dc.contributor.authorHemingway, Jordon D.
dc.contributor.authorBlattmann, Thomas M.
dc.date.accessioned2025-05-23T14:57:09Z
dc.date.available2025-05-23T14:57:09Z
dc.date.freetoread2025-05-23
dc.date.issued2025-04-01
dc.date.pubOnline2025-05-08
dc.description.abstractIntensifying effects of global climate change have spurred efforts to enhance carbon sequestration and the long‐term storage of soil organic carbon (OC). Current soil carbon models predominantly assume that inputs of OC are biospheric, that is, primarily derived from plant decomposition. However, these overlook the contribution of OC from soil parent material, including petrogenic organic carbon (OCpetro) from OC‐bearing (meta‐)sedimentary bedrock. To our knowledge, no soil carbon model accounts for the inputs of OCpetro to soils, resulting in significant gaps in our understanding about the roles OCpetro plays in soils. Here, we call for cross‐disciplinary research to investigate the transport and stability of OCpetro across the bedrock–soil continuum. We pose four key questions as motivation for this effort. Ignoring the inputs of OCpetro to soils has significant implications, including overestimating biospheric carbon stocks and turnover times. Furthermore, we lack information on the role that OCpetro may play in priming microbial communities, as well as the impacts of land management on OCpetro stocks.
dc.description.journalNameAGU Advances
dc.description.sponsorshipThe Perspective is the product of a workshop on petrogenic OC at ETH Zurich held in September 2023, supported by a Royal Society International Exchange grant awarded to Daniel L. Evans at Cranfield University (IES\R3\213037) in collaboration with Thomas Blattmann at ETH Zurich
dc.identifier.citationEvans DL, Doetterl S, Gallarotti N, et al., (2025) The known unknowns of petrogenic organic carbon in soils. AGU Advances, Volume 6, Issue 2, April 2025, Article number e2024AV001625
dc.identifier.eissn2576-604X
dc.identifier.elementsID672916
dc.identifier.issn2576-604X
dc.identifier.issueNo2
dc.identifier.paperNoe2024AV001625
dc.identifier.urihttps://doi.org/10.1029/2024av001625
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23924
dc.identifier.volumeNo6
dc.languageEnglish
dc.language.isoen
dc.publisherAmerican Geophysical Union (AGU)
dc.publisher.urihttps://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024AV001625
dc.rightsAttribution-NonCommercial 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectpetrogenic organic carbon
dc.subjectsoil organic carbon
dc.subjectsoil carbon
dc.subjectgeogenic organic carbon
dc.subjectOCpetro
dc.subjectcritical zone
dc.subject37 Earth Sciences
dc.subject3709 Physical Geography and Environmental Geoscience
dc.subject3702 Climate Change Science
dc.subject3705 Geology
dc.subject15 Life on Land
dc.subject3702 Climate change science
dc.titleThe known unknowns of petrogenic organic carbon in soils
dc.typeArticle
dc.type.subtypeNote
dcterms.dateAccepted2025-04-04

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Known_unknowns_of_petrogenic-2025.pdf
Size:
581.99 KB
Format:
Adobe Portable Document Format
Description:
Published version
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.63 KB
Format:
Plain Text
Description:
Download

Collections

Staff publications (ES)