科尔沁沙地地表沉积物特征及其气候意义

张悦仪, 迟云平, 谢远云, 康春国, 刘若男, 孙磊, 吴鹏, 魏振宇

Characteristics and climate significance of surface sediments in the Horqin Sandy Land

Yueyi Zhang, Yunping Chi, Yuanyun Xie, Chunguo Kang, Ruonan Liu, Lei Sun, Peng Wu, Zhenyu Wei

图4 科尔沁沙地风成砂样品针铁矿（Gt）和赤铁矿（Hm）一阶导数（IDV）特征峰分布曲线

Fig.4 Characteristic peak distribution curve of first derivative of goethite and hematite in eolian sand samples from Horqin Sandy Land