北京平原区土壤地球化学特征及影响因素分析
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李欢, 黄勇, 张沁瑞, 贾三满, 徐国志, 冶北北, 韩冰
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Soil geochemical characteristics and influencing factors in Beijing Plain
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LI Huan, HUANG Yong, ZHANG Qin-Rui, JIA San-Man, XU Guo-Zhi, YE Bei-Bei, HAN Bing
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表3 土壤元素因子分析结果
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Table 3 Factor analysis of soil elements
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指标 | F1 | F2 | F3 | F4 | F5 | F6 | As | 0.403 | 0.075 | -0.167 | 0.293 | 0.090 | 0.183 | Cd | 0.172 | 0.543 | -0.128 | 0.402 | -0.138 | 0.071 | Cr | 0.534 | 0.195 | 0.040 | 0.071 | 0.287 | 0.057 | Cu | 0.040 | 0.086 | -0.009 | 0.943 | 0.023 | 0.069 | Hg | -0.059 | 0.297 | -0.019 | 0.057 | 0.012 | 0.738 | Ni | 0.694 | 0.147 | -0.151 | 0.106 | 0.161 | 0.075 | Pb | 0.023 | 0.249 | -0.057 | 0.755 | -0.056 | 0.486 | Zn | 0.041 | 0.098 | 0.006 | 0.967 | -0.001 | 0.021 | C | -0.042 | 0.707 | -0.376 | 0.094 | 0.242 | 0.314 | N | 0.178 | 0.815 | 0.099 | 0.013 | -0.188 | 0.145 | P | 0.043 | 0.705 | 0.03 | 0.121 | 0.019 | 0.140 | S | 0.046 | 0.699 | -0.149 | 0.062 | 0.008 | 0.284 | 有机质 | 0.123 | 0.814 | 0.028 | 0.063 | -0.114 | 0.296 | B | 0.305 | 0.095 | 0.206 | -0.032 | 0.124 | 0.024 | Br | 0.121 | 0.587 | -0.119 | 0.004 | 0.192 | 0.055 | Cl | -0.011 | 0.333 | -0.061 | 0.006 | 0.147 | 0.124 | Co | 0.825 | 0.150 | -0.135 | 0.265 | 0.029 | -0.019 | Ge | 0.253 | 0.193 | 0.052 | 0.076 | -0.286 | -0.168 | Mn | 0.625 | 0.027 | -0.045 | 0.027 | -0.087 | -0.024 | Mo | 0.248 | 0.343 | -0.246 | 0.180 | -0.132 | 0.160 | V | 0.906 | 0.057 | 0.022 | -0.007 | -0.015 | -0.030 | F | 0.482 | 0.235 | -0.442 | -0.011 | -0.213 | -0.221 | I | 0.056 | 0.350 | -0.022 | -0.013 | 0.189 | -0.184 | Se | -0.044 | 0.225 | 0.055 | 0.015 | -0.446 | 0.056 | Al2O3 | 0.639 | -0.017 | 0.001 | -0.042 | -0.483 | 0.021 | CaO | -0.213 | 0.101 | -0.644 | 0.043 | 0.595 | 0.135 | Fe2O3 | 0.858 | 0.169 | -0.165 | 0.017 | -0.117 | -0.087 | K2O | 0.176 | -0.307 | 0.177 | -0.021 | -0.610 | 0.140 | MgO | 0.131 | 0.171 | -0.735 | 0.045 | 0.265 | -0.225 | Na2O | -0.205 | -0.238 | 0.174 | -0.075 | -0.346 | -0.070 | SiO2 | -0.258 | -0.254 | 0.762 | -0.033 | -0.209 | -0.199 | Ce | 0.838 | 0.129 | 0.044 | 0.005 | -0.105 | -0.049 | La | 0.830 | 0.155 | 0.031 | 0.004 | -0.034 | 0.003 | Sc | 0.842 | -0.015 | -0.186 | 0.025 | 0.105 | -0.014 | Th | 0.582 | -0.090 | -0.089 | 0.001 | 0.252 | 0.132 | U | 0.576 | 0.335 | -0.020 | 0.064 | 0.037 | 0.136 | Y | 0.285 | 0.056 | 0.124 | -0.008 | 0.025 | -0.089 | pH | -0.050 | 0.062 | -0.354 | -0.001 | 0.708 | 0.043 | Ag | -0.024 | 0.355 | -0.110 | 0.328 | -0.114 | 0.463 | Au | -0.002 | 0.270 | -0.045 | 0.161 | -0.011 | 0.713 | Ba | 0.110 | 0.101 | -0.150 | 0.020 | -0.663 | -0.169 | Be | 0.600 | -0.155 | -0.008 | -0.020 | -0.502 | 0.089 | Bi | 0.043 | 0.520 | -0.060 | 0.317 | -0.204 | 0.032 | Ga | 0.750 | -0.061 | -0.100 | 0.010 | -0.542 | 0.041 | Li | 0.447 | 0.168 | -0.271 | -0.008 | -0.162 | -0.136 | Nb | 0.709 | -0.173 | 0.100 | 0.016 | -0.265 | -0.005 | Rb | 0.469 | -0.322 | -0.135 | 0.030 | -0.337 | 0.187 | Sb | 0.056 | 0.078 | -0.042 | 0.923 | 0.084 | 0.121 | Sn | 0.009 | 0.172 | -0.055 | 0.087 | 0.029 | 0.668 | Sr | 0.005 | 0.004 | -0.279 | 0.009 | -0.074 | 0.064 | Ti | 0.828 | 0.110 | 0.279 | -0.024 | -0.023 | -0.156 | Tl | 0.201 | -0.027 | -0.169 | 0.031 | -0.095 | 0.007 | W | 0.045 | 0.107 | 0.003 | 0.014 | 0.008 | -0.063 | Zr | 0.096 | 0.041 | 0.813 | -0.047 | 0.023 | -0.193 | 特征值 | 13.0 | 7.28 | 4.26 | 2.91 | 1.97 | 1.81 | 方差/% | 24.1 | 13.5 | 7.89 | 5.38 | 3.64 | 3.34 | 累积方差/% | 24.1 | 37.6 | 45.5 | 50.9 | 54.6 | 57.9 |
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