松嫩沙地地球化学特征及其对风尘物质贡献的指示
刘俊贺, 迟云平, 谢远云, 康春国, 魏振宇, 吴鹏, 孙磊

Geochemical characteristics of Songnen Sandy Land and its indication of contribution to aeolian dust
Junhe Liu, Yunping Chi, Yuanyun Xie, Chunguo Kang, Zhenyu Wei, Peng Wu, Lei Sun
图3 松嫩沙地定量源区划分图解
Fig.3 Quantitative source area division diagram of Songnen Sandy Land. A, PCA material source analysis diagram; B, LDA linear discriminant diagram of Harbin loess and Songnen Sandy Land