Spatial extrapolation of topographic models for mapping soil organic carbon using local samples

Ling Du,Gregory W. Mccarty,Xia Li,Martin C. Rabenhorst,Qianfeng Wang,Sangchul Lee,Audra L. Hinson,Zhenhua Zou

Geoderma（2021）

引用 5|浏览8

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摘要

•We established a lidar-derived topographic model to map the general trend of SOC.•We spatially extrapolated the topographic model with additional local samples.•We evaluated varying sample sizes and two sampling schemes for model calibration.

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关键词

SOC,Topographic model,Lidar,Random forest,Residual kriging,Local calibration

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