Soil Organic Carbon Sequestration Potential, Storage, and Influencing Mechanisms in China
Bibliographic Data
The soil organic carbon sequestration potential (SOC sp ) has important implications for the global carbon cycle and responses to climate change. However, there is a dearth of spatial information specifically for China within this field, and our knowledge regarding the factors influencing SOC sp remains somewhat limited. To solve this problem, this study utilized legacy soil data collected in the 1980s (1979–1984s), combined with climatic landscape zoning, and adopted digital soil mapping techniques to produce spatial prediction models of the density of soil carbon sequestration potential for five designated depths. The results showed that the accuracy of the top soil (0–30 cm) model was higher than that of the subsoil (30–100 cm) model. SOC sp was highest in northwestern, northern, and eastern China and lowest in the southeastern Tibetan Plateau and northeastern China. Scale‐ and location‐specific effects of environmental factors on SOCs were observed, with two‐factor effects being stronger than those of their one‐factor counterparts. Spatial differentiation characteristics of drivers between topsoil and subsoil layers show significant climatic zonal differences. In the topsoil layer, climate and vegetation are the dominant factors in the arid zone, while the semi‐arid zone is mainly regulated by vegetation and land use; in the subsoil layer, climate and land use together dominate SOC sp in the arid and semi‐arid zones. In this study, we provide data support for the SOC sp pathway for climate change mitigation processes, while emphasizing the importance of in‐depth studies on the mechanisms of SOC sp dynamics through its driving mechanisms
Carbon dioxide · Carbon fibers · Carbon sequestration · China · Earth science · Geography · Soil carbon · Soil water · Total organic carbon · Agriculture, Soil, Plant Science · Chemistry · Environmental Science · Materials Science · Rangeland and Wildlife Management · Soil Carbon and Nitrogen Dynamics · Environmental Chemistry · Geology · Soil Science
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| Citations per year | 3 |
|---|---|
| Citation span | 2026 - 2026 (1) |
| Highly cited | No |