北疆积雪中溶解性砷和汞的空间分布特征及来源分析
刘鑫1,2(), 牛志莹1, 李杨子1, 贺茂勇3, 黄华宇1,2(), 王宁练1
Spatial distribution characteristics and possible sources of dissolved arsenic and mercury in the snow pack of northern Xinjiang
Xin LIU1,2(), Zhiying NIU1, Yangzi LI1, Maoyong HE3, Huayu HUANG1,2(), Ninglian WANG1

图4. 采样点后向轨迹聚类分析结果

Fig.4. Backward trajectory cluster analysis results of sampling points