藏南羊卓雍错沉积物元素地球化学记录的过去2000年环境变化

郭超,蒙红卫,马玉贞,李丹丹,胡彩莉,刘杰瑞,雒聪文,王凯

Environmental variations recorded by chemical element in the sediments of Lake Yamzhog Yumco on the southern Tibetan Plateau over the past 2000 years

GUO Chao,MENG Hongwei,MA Yuzhen,LI Dandan,HU Caili,LIU Jierui,LUO Congwen,WANG Kai

表3 羊湖岩芯主要元素的主成分得分

Tab. 3 Principal component scores for the major elements of Lake Yamzhog Yumco core

元素 主成分 1 2 3 Al 0.747 0.122 -0.223 Si 0.948 -0.101 0.052 K 0.949 0.160 0.133 Ti 0.947 0.172 -0.038 Rb 0.838 0.435 -0.224 Y 0.706 -0.346 -0.325 Fe 0.485 0.838 -0.098 Cu 0.335 0.653 -0.549 Zn 0.643 0.604 -0.130 Pb -0.100 0.925 -0.168 Br -0.238 0.866 -0.165 Ca -0.196 -0.305 0.898 Sr -0.138 -0.292 0.870 方差贡献(%) 47.301 23.763 11.850 累积方差贡献(%) 47.301 71.064 82.914