Rock organic carbon oxidation CO2 release offsets silicate weathering sink

JR Zondervan, RG Hilton, M Dellinger, FJ Clubb… - Nature, 2023 - nature.com
Mountain uplift and erosion have regulated the balance of carbon between Earth's interior
and atmosphere, where prior focus has been placed on the role of silicate mineral …

Widespread woody plant use of water stored in bedrock

EL McCormick, DN Dralle, WJ Hahm, AK Tune… - Nature, 2021 - nature.com
In the past several decades, field studies have shown that woody plants can access
substantial volumes of water from the pores and fractures of bedrock,–. If, like soil moisture …

Forest vulnerability to drought controlled by bedrock composition

RP Callahan, CS Riebe, LS Sklar, S Pasquet… - Nature …, 2022 - nature.com
Forests are increasingly threatened by climate-change-fuelled cycles of drought, dieback
and wildfires. However, for reasons that remain incompletely understood, some forest stands …

Temperature control on CO2 emissions from the weathering of sedimentary rocks

G Soulet, RG Hilton, MH Garnett, T Roylands… - Nature …, 2021 - nature.com
Sedimentary rocks can release carbon dioxide (CO2) during the weathering of rock organic
carbon and sulfide minerals. This sedimentary carbon could act as a feedback on Earth's …

From soils to streams: Connecting terrestrial carbon transformation, chemical weathering, and solute export across hydrological regimes

H Wen, PL Sullivan, SA Billings, H Ajami… - Water Resources …, 2022 - Wiley Online Library
Soil biota generates carbon that exports vertically to the atmosphere (CO2) and transports
laterally to streams and rivers (dissolved organic and inorganic carbon, DOC and DIC) …

Bedrock vadose zone storage dynamics under extreme drought: Consequences for plant water availability, recharge, and runoff

WJ Hahm, DN Dralle, M Sanders… - Water Resources …, 2022 - Wiley Online Library
Bedrock vadose zone water storage (ie, rock moisture) dynamics are rarely observed but
potentially key to understanding drought responses. Exploiting a borehole network at a …

Climate forcing controls on carbon terrestrial fluxes during shale weathering

L Stolze, B Arora, D Dwivedi, CI Steefel… - Proceedings of the …, 2024 - pnas.org
Climate influences near-surface biogeochemical processes and thereby determines the
partitioning of carbon dioxide (CO2) in shale, and yet the controls on carbon (C) weathering …

Deep root activity overprints weathering of petrogenic organic carbon in shale

AK Tune, JL Druhan, CR Lawrence… - Earth and Planetary …, 2023 - Elsevier
The oxidation of organic carbon in sedimentary bedrock (petrogenic OC, OC petro) is
increasingly recognized as a potential source of CO 2 to the atmosphere. Recent studies …

Soil CO2 Controls Short‐Term Variation but Climate Regulates Long‐Term Mean of Riverine Inorganic Carbon

B Stewart, W Zhi, K Sadayappan… - Global …, 2022 - Wiley Online Library
The evasion of CO2 from inland waters, a major carbon source to the atmosphere, depends
on dissolved inorganic carbon (DIC) concentrations. Our understanding of DIC dynamics …

Illuminating the “invisible”: Substantial deep respiration and lateral export of dissolved carbon from beneath soil

B Stewart, JB Shanley, S Matt… - Water Resources …, 2024 - Wiley Online Library
Dissolved organic and inorganic carbon (DOC and DIC) influence water quality, ecosystem
health, and carbon cycling. Dissolved carbon species are produced by biogeochemical …