青藏高原西部、南部和东北部边界地区天然水的水化学性质及其成因

田原,余成群,查欣洁,高星,于明寨

Hydrochemical characteristics and factors controlling of natural water in the western, southern, and northeastern border areas of the Qinghai-Tibet Plateau

TIAN Yuan,YU Chengqun,ZHA Xinjie,GAO Xing,YU Mingzhai

表5 水样主成分分析各向量的特征值和方差百分比结果

Tab. 5 Results from the principal component analysis vectors, eigenvalues and % of variance

向量编号 西部边界地区 南部边界地区 东北部边界地区 特征值 方差百分比(%) 特征值 方差百分比(%) 特征值 方差百分比(%) 1 7.3178 52.2703 6.9330 49.5215 6.9762 49.8304 2 3.4631 24.7362 2.1551 15.3934 2.3914 17.0814 3 1.1666 8.3326 1.4682 10.4873 1.9171 13.6934 4 0.6698 4.7843 0.9467 6.7622 1.1243 8.0310 5 0.4954 3.5387 0.7184 5.1313 0.7262 5.1872 6 0.3340 2.3859 0.7059 5.0418 0.5176 3.6968 7 0.2622 1.8729 0.4028 2.8774 0.1330 0.9501 8 0.1449 1.0349 0.3045 2.1753 0.1023 0.7308 9 0.1013 0.7236 0.2039 1.4561 0.0677 0.4835 10 0.0368 0.2627 0.0923 0.6594 0.0241 0.1724 11 0.0076 0.0542 0.0662 0.4728 0.0196 0.1397 12 0.0005 0.0037 0.0019 0.0135 0.0005 0.0034 13 0.0000 0.0000 0.0011 0.0079 0.0000 0.0000 14 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000