Soil Organic Carbon Assistant

A map of the United States with colorful circles depicting sampling locations for soil organic carbon and properties from 1985 to 2021.

Project collaborators

Dr. Jingyi Huang, Soil Science
Maria Oros, Data Science Institute

Project start and end dates

June-Aug 2024

Project summary

Soil organic carbon (SOC) plays a crucial role in mitigating atmospheric carbon levels, acting as a significant carbon sink. To address the challenges posed by climate change, land use, and agricultural practices, a comprehensive understanding of how these factors influence SOC is essential. This research aims to quantify the spatial and temporal variations of SOC stocks (SOCS) across the contiguous United States. By integrating soil datasets with environmental variables—including climate, land cover, and topography—and employing a machine learning algorithm, we estimate SOCS over large geographic areas and extended time periods. The environmental inputs include high-resolution soil property maps (100 m), annual climate data (1 km), remote-sensing-derived land cover maps (250 m), and a digital elevation model (30 m). To support further research and application, we developed an open-source API that delivers SOC and SOCS data, enabling broader use in scientific research, environmental management, and policy-making.

Project outputs/deliverables