烟台市某化工集聚区浅层地下水化学特征分析
扈胜涛, 张祥恒, 韩明智, 汤世凯, 于林弘, 李金鹏, 张杰, 赵国鹏, 白莹

Hydrochemical characteristics of shallow groundwater in a chemical industry agglomeration area of Yantai City
HU Sheng-Tao, ZHANG Xiang-Heng, HAN Ming-Zhi, TANG Shi-Kai, YU Lin-Hong, LI Jin-Peng, ZHANG Jie, ZHAO Guo-Peng, BAI Ying
表3 特征值和主成分贡献率及累积贡献率
Table 3 Eigenvalue and principal component contribution rate and cumulative contribution rate
主成分 特征值 主成分贡献率/% 累积贡献率/%
1 6.361 53.006 53.006
2 2.179 18.155 71.161
3 1.570 13.079 84.240
4 1.015 8.461 92.701
5 0.448 3.736 96.437
6 0.226 1.887 98.324
7 0.147 1.226 99.550
8 0.049 0.407 99.957
9 0.005 0.042 99.998
10 0.000 0.002 100.000
11 7.863×10-10 6.552×10-9 100.000
12 -2.126×10-16 -1.772×10-15 100.000