Explore Perennial’s Resources

Peer-reviewed Paper

How Digital Soil Mapping Works

Learn how digital soil mapping quantifies soil organic carbon — and how Perennial's proprietary digital soil mapping model, ATLAS-SOC, achieves low uncertainty while reducing the need for extensive sampling.

Peer-reviewed Paper

Vital Farms' Scope 3 Assessment

Learn how Perennial’s flexible MMRV solution enabled farm-level emissions factors for Vital Farms’ pasture-based network.

Peer-reviewed Paper

Verra Webinar: Digital Soil Mapping in the VCS Program

Verra and Perennial cohosted a webinar that unpacks how VT0014 supports rigorous, scalable, and cost-effective SOC quantification — and how it can be applied under Verra’s methodologies (e.g., VM0042 and VM0032).

Peer-reviewed Paper

Comparing Model-Based, Design-based, & Model-Assisted Inference

Learn about the fundamental differences behind SOC quantification approaches — and what they mean for uncertainty, scalability, and project economics.

Peer-reviewed Paper

VT0014 Webinar: Unpacking Verra's New Tool

Perennial’s Chief Scientist was joined by leading project developers for a practical discussion on how Verra’s new digital soil mapping tool (VT0014) can improve carbon projects.

Peer-reviewed Paper

Soil Ecosystem Maps

Explore relative carbon sequestration potential, carbon use efficiency, microbial soil pH index, and other soil health and carbon data via Soil Ecosystem Maps.

Peer-reviewed Paper

Perennial's Adaptable MMRV

Learn about the different SOC monitoring approaches, how Perennial selects the approach that’s best suited for each project, and how we optimize each step of the full MMRV process.

Peer-reviewed Paper

Soil Ecosystem Data Documentation

Read the technical documentation for the Perennial data products featured on Soil Ecosystem Maps — Relative Sequestration Rate Potential, Microbial Moisture Response Index, Carbon Use Efficiency, Microbial Soil Temperature Index, Microbial Soil pH Index, and more.

Peer-reviewed Paper

VT0014 Webinar en Español

Perennial moderó un debate técnico sobre las problemáticas de establecer proyectos de Carbono Orgánico de Suelo en la Latinoamérica, y los beneficios de utilizar Digital Soil Mapping y VT0014.

Peer-reviewed Paper

Peer-Reviewed Paper on Digital Soil Mapping (2025)

Read peer-reviewed research from Perennial scientists that demonstrates digital soil mapping can accurately quantify soil organic carbon (SOC) in agricultural lands.

Peer-reviewed Paper

ATLAS-SOC Core Documentation

Read about the technical specifications, algorithm theoretical basis, and more for our foundational digital soil mapping model.

Peer-reviewed Paper

Perennial Scientists Publish Correspondence in Nature Highlighting the Future of Soil Carbon Credits

Perennial scientists published correspondence in Nature highlighting the future of soil carbon credits.

Peer-reviewed Paper

Peer-reviewed paper on calculating SOC beneath the soil surface (2024)

Read Perennial scientists' peer-reviewed paper, "Accurate Quantification of 0–30 cm Soil Organic Carbon in Croplands over the Continental United States Using Machine Learning".

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Introducing VT0014, the new Verra-approved tool for digital soil mapping.