On the pH-dependent export of anthropogenic alkalinity in pore water through soil: Implications for enhanced rock weathering – CDRXIV Enhanced rock weathering (ERW) is a highly scalable carbon dioxide removal (CDR) strategy. In ERW deployments, pulverized mineral feedstock is spread on agricultural or managed lands. Upon the dissol...

On the pH-dependent export of anthropogenic alkalinity in pore water through soil: Implications for enhanced rock weathering. cdrxiv.org/preprint/489

We’re especially excited about how channels make visible an institution’s commitment to sharing work freely and openly. If you want us to make a channel for your institution, reach out to us at support@cdrxiv.org.

Stanford University Carbon Dioxide Removal Research – CDRXIV Stanford-wide research on carbon dioxide removal science, measurement, and deployment.

The Stanford Carbon Dioxide Removal Research channel includes CDR research at Stanford University, spanning earth system science, engineering, data science, and policy: cdrxiv.org/channels/sta....

Enhanced Rock Weathering Data Quarry: Cascade Climate – CDRXIV An enhanced rock weathering data-sharing system accelerating scientific progress. Proactively sharing commercial and academic field data for the benefit of broad scientific learning while protecting f...

The enhanced rock weathering Data Quarry channel, managed by Cascade Climate, features datasets from enhanced weathering experiments and field trials, including commercial datasets: cdrxiv.org/channels/erw....

Yale Center for Natural Carbon Capture – CDRXIV Scientific research center at Yale exploring how natural systems can be enhanced and scaled to mitigate climate change.

The Yale Center for Natural Carbon Capture brings together submissions exploring how natural Earth systems can be used to reduce greenhouse gas concentrations while providing social and ecological co-benefits: cdrxiv.org/channels/ycncc. @yalecncc.bsky.social

Institutions submitting to CDRXIV can build up a substantial body of work over time — but there hasn’t been an easy way to share that work as a collection. Channels fix that, making an institution’s submissions viewable in one place. We’re launching this new feature with three founding channels.

Enhanced Rock Weathering Data Quarry: Cascade Climate – CDRXIV TK

The enhanced rock weathering Data Quarry channel, managed by Cascade Climate, features datasets from enhanced weathering experiments and field trials, including commercial datasets: cdrxiv.org/channels/erw....

Yale Center for Natural Carbon Capture – CDRXIV TK

The Yale Center for Natural Carbon Capture brings together submissions exploring how natural Earth systems can be used to reduce greenhouse gas concentrations while providing social and ecological co-benefits: cdrxiv.org/channels/ycncc. @yalecncc.bsky.social

A Novel Soil Porewater Extraction Technique for Enhanced Rock Weathering Products: SATuration - Centrifugation – CDRXIV Enhanced Rock Weathering (ERW) involves the application of crushed silicate-rich minerals to agricultural soils as a promising Carbon Dioxide Removal (CDR) strategy, with potential benefits for soil h...

A Novel Soil Porewater Extraction Technique for Enhanced Rock Weathering Products: SATuration - Centrifugation. cdrxiv.org/preprint/496

Evaluating trace-metal responses to field deployment of enhanced rock weathering across agricultural and riparian soils – CDRXIV Enhanced rock weathering (ERW) is proposed for carbon dioxide removal, but responsible field deployment requires careful evaluation of potential trace-metal risks. We applied finely crushed, Fe–Al-ric...

Evaluating trace-metal responses to field deployment of enhanced rock weathering across agricultural and riparian soils. cdrxiv.org/preprint/463

Enhanced rock weathering for improved smallholder farmer welfare: An at-scale case study for rice agriculture in India – CDRXIV Smallholder farmers produce approximately one-third of the world’s food supply, but face persistent challenges from soil degradation, limited access to affordable inputs and growing climate variabilit...

Enhanced rock weathering for improved smallholder farmer welfare: An at-scale case study for rice agriculture in India. cdrxiv.org/preprint/483

Bacillus subtilis-mediated weathering of basalt revealed through sporulation – CDRXIV Silicate rock weathering is a naturally occurring process that provides a long-term sink for atmospheric CO2, but its natural rates are too slow on human-relevant timescales to offset anthropogenic em...

Bacillus subtilis-mediated weathering of basalt revealed through sporulation. cdrxiv.org/preprint/480

Closing the carbon removal attribution gap requires an objective atmospheric basis – CDRXIV Efforts to integrate carbon dioxide removal (CDR) into climate policy, markets, and inventories are advancing rapidly, but without a unified accounting logic to attribute atmospheric impacts. Existing...

Closing the carbon removal attribution gap requires an objective atmospheric basis. cdrxiv.org/preprint/303

From silicates to soil carbonates: Tracing the cation budget of microbially-accelerated weathering – CDRXIV Microbial carbon dioxide mineralization (MCM) is a promising strategy for soil-based carbon dioxide removal (CDR) that leverages beneficial soil microbes applied in agricultural fields to promote nati...

From silicates to soil carbonates: Tracing the cation budget of microbially-accelerated weathering. cdrxiv.org/preprint/464

Consistent temporal accounting supports credible CDR use – CDRXIV Carbon dioxide removal (CDR) is increasingly used to support national targets and corporate net-zero commitments, yet the timing of atmospheric drawdown remains poorly represented in carbon accounting...

Consistent temporal accounting supports credible CDR use. cdrxiv.org/preprint/302

Integrating experiments and models to unravel interactions between soil organic matter and enhanced weathering – CDRXIV Enhanced weathering (EW) aims to accelerate rock dissolution to sequester atmospheric CO2. Here, we investigated key uncertainties in modelling C sequestration through EW by comparing a coupled inorga...

Integrating experiments and models to unravel interactions between soil organic matter and enhanced weathering. cdrxiv.org/preprint/473

We'll also have plenty of CDRXIV stickers :)

For all fans of open science — find us at AGU tomorrow morning for free bagels, coffee, and beignets! Pod 1, 8:30-9:30am CT agu.confex.com/agu/agu25/me...

Integrated Thermal and Phyto-Remediation of Agricultural Soils Impacted by PFAS – CDRXIV Widespread biosolids application has introduced per- and polyfluoroalkyl substances (PFAS) into millions of hectares of agricultural soils, yet existing remediation methods are costly, carbon intensiv...

Integrated Thermal and Phyto-Remediation of Agricultural Soils Impacted by PFAS. cdrxiv.org/preprint/471

Preprints in Carbon Dioxide Removal At CDRXIV, we want to understand how carbon removal researchers think about preprints. Your responses to this survey will help us gather those perspectives. The results will be anonymized and shared p...

Our survey on the current role of preprints in CDR is still open! We encourage all CDR researchers to share their perspectives, whether you have experience with preprints or not. The survey should take less than 5 minutes. Thanks to all who participate! forms.gle/qfSBJqaRzXZM...

Direct In Situ Measurement of Alkalinity Export for Real-Time Enhanced Weathering MRV – CDRXIV Accurate quantification of alkalinity export from the near-field zone remains a key bottleneck for monitoring, reporting, and verification (MRV) of carbon dioxide removal (CDR) through Enhanced Weathe...

Direct In Situ Measurement of Alkalinity Export for Real-Time Enhanced Weathering MRV. cdrxiv.org/preprint/456

Preprints in Carbon Dioxide Removal At CDRXIV, we want to understand how carbon removal researchers think about preprints. Your responses to this survey will help us gather those perspectives. The results will be anonymized and shared p...

Calling all CDR researchers — we want to hear from you! Share your perspective on the current role of preprints in CDR research via this survey, open until Dec. 15th. Results will be anonymized, synthesized, and shared publicly. Thanks in advance! forms.gle/F7VkxJKM7qW9...

High-resolution numerical assessment of large-scale riverine alkalinity modification scenarios along the southern coast of the United States – CDRXIV River-based alkalinity modifications represent potentially effective approaches for removing atmospheric CO₂ and mitigating anthropogenic climate change. Evaluating their effectiveness requires consid...

High-resolution numerical assessment of large-scale riverine alkalinity modification scenarios along the southern coast of the United States. cdrxiv.org/preprint/408

Synergistic Effects of a Microbial Amendment and Crushed Basalt: Soil Geochemical and Microbial Responses – CDRXIV Over geologic timescales, the natural weathering of silicate minerals in soils and regolith regulates atmospheric CO₂. Although this process is slow relative to anthropogenic emissions, several strate...

Synergistic Effects of a Microbial Amendment and Crushed Basalt: Soil Geochemical and Microbial Responses. cdrxiv.org/preprint/369

Spatiotemporal soil fertility responses to an enhanced rock weathering deployment within a temperate, agricultural watershed – CDRXIV Enhanced rock weathering (ERW) is a promising strategy for removing carbon dioxide from the atmosphere, yet field-scale observations suitable for evaluating ERW co-benefits related to soil-fertility i...

Spatiotemporal soil fertility responses to an enhanced rock weathering deployment within a temperate, agricultural watershed. cdrxiv.org/preprint/461

Lethal by design? Guiding environmental assessments of ocean alkalinity enhancement toward realistic contextualization of the alkalinity perturbation – CDRXIV Ocean Alkalinity Enhancement (OAE) aims to mitigate climate change by increasing the chemical capacity of seawater to store anthropogenic CO2. OAE can be implemented through multiple pathways, each of...

Lethal by design? Guiding environmental assessments of ocean alkalinity enhancement toward realistic contextualization of the alkalinity perturbation. cdrxiv.org/preprint/457

Insights lost at points of vulnerability in UK policy evidence gathering on Carbon Dioxide Removal – CDRXIV The methods, quantity, and timing of carbon dioxide removal (CDR) is impacted by, and has implications for, decarbonising energy, land use change, agriculture, the earth system response, and global so...

Insights lost at points of vulnerability in UK policy evidence gathering on Carbon Dioxide Removal. cdrxiv.org/preprint/412

Synergistic effects of enhanced rock weathering and organic inputs on soil carbon accrual. – CDRXIV Enhanced Rock Weathering (ERW)—the application of crushed silicate minerals to croplands—holds promise for drawing down excess atmospheric carbon dioxide through accelerated biological and chemical we...

Synergistic effects of enhanced rock weathering and organic inputs on soil carbon accrual. cdrxiv.org/preprint/418

Aggregated monitoring of enhanced weathering on agricultural lands – CDRXIV Terrestrial enhanced weathering (EW) on agricultural land is a promising carbon dioxide removal (CDR) pathway with high potential to scale. Enhanced weathering also has the potential to provide signif...

Aggregated monitoring of enhanced weathering on agricultural lands. cdrxiv.org/preprint/394

Agronomic Performance of Enhanced Rock Weathering in a Tropical Smallholder System: A Maize Trial in Kenya – CDRXIV Enhanced Rock Weathering (ERW) is a promising negative emission technology that can simultaneously sequester atmospheric CO₂ and improve agricultural productivity. While its efficacy has been demonstr...

Agronomic Performance of Enhanced Rock Weathering in a Tropical Smallholder System: A Maize Trial in Kenya. cdrxiv.org/preprint/410