基于地统计学与机器学习模型的宝清县表层有机碳含量预测及比较研究
刘洪博, 史佳卉, 王思引, 裴久渤

Prediction and comparison of organic carbon content in topsoils based on geostatistics and machine learning models: A case study of Baoqing County
LIU Hong-Bo, SHI Jia-Hui, WANG Si-Yin, PEI Jiu-Bo
图3 土壤有机碳含量半方差函数
Fig.3 Soil organic carbon content semi-variance function