基于大数据的中国土壤背景值与基准值及其变化特征研究——写在《中国土壤地球化学参数》出版之际
|
奚小环, 侯青叶, 杨忠芳, 叶家瑜, 余涛, 夏学齐, 成杭新, 周国华, 姚岚
|
Big data based studies of the variation features of Chinese soil’s background value versus reference value: A paper written on the occasion of Soil Geochemical Parameters of China’s publication
|
XI Xiao-Huan, HOU Qing-Ye, YANG Zhong-Fang, YE Jia-Yu, YU Tao, XIA Xue-Qi, CHENG Hang-Xin, ZHOU Guo-Hua, YAO Lan
|
|
表6 中国土壤地球化学背景值与地壳丰度比值
|
Table 6 Ratio between Chinese soil’s geochemical background value and the continental crust abundance
|
|
指标 | 中国第一环境土壤地球化学算术均值 /上地壳丰度 | 中国第二环境土壤地球化学算术均值 /上地壳丰度 | 上地壳丰度[13] | 原始数据 | 剔除异常值 | 原始数据 | 剔除异常值 | Ag | 4.72 | 1.25 | 5.60 | 1.40 | 53 | As | 2.25 | 1.98 | 2.15 | 1.90 | 4.8 | Au | 1.13 | 1.00 | 1.33 | 1.07 | 1.5 | B | 2.94 | 2.82 | 3.00 | 2.82 | 17 | Ba | 0.83 | 0.82 | 0.82 | 0.81 | 624 | Be | 1.05 | 1.00 | 1.00 | 0.95 | 2.1 | Bi | 2.50 | 1.81 | 2.88 | 2.06 | 0.16 | Cd | 1.41 | 1.07 | 2.28 | 1.67 | 0.09 | Co | 0.77 | 0.72 | 0.71 | 0.68 | 17.3 | Cr | 0.74 | 0.71 | 0.72 | 0.68 | 92 | Cu | 0.86 | 0.79 | 0.89 | 0.82 | 28 | F | 0.96 | 0.92 | 0.94 | 0.90 | 557 | Hg | 0.92 | 0.56 | 1.52 | 1.00 | 50 | La | 1.23 | 1.19 | 1.23 | 1.19 | 31 | Li | 1.71 | 1.67 | 1.62 | 1.57 | 21 | Mn | 0.85 | 0.79 | 0.76 | 0.73 | 761.19 | Mo | 0.81 | 0.62 | 0.78 | 0.61 | 1.1 | Nb | 1.33 | 1.33 | 1.33 | 1.25 | 12 | Ni | 0.62 | 0.60 | 0.57 | 0.55 | 47 | P | 0.73 | 0.70 | 1.08 | 1.05 | 654.93 | Pb | 1.59 | 1.35 | 1.76 | 1.47 | 17 | Sb | 2.35 | 1.90 | 2.55 | 2.00 | 0.4 | Sn | 1.71 | 1.43 | 2.05 | 1.52 | 2.1 | Sr | 0.49 | 0.48 | 0.48 | 0.46 | 320 | Th | 1.29 | 1.17 | 1.23 | 1.13 | 10.5 | Ti | 1.16 | 1.10 | 1.15 | 1.09 | 3840 | U | 1.04 | 0.89 | 1.04 | 0.89 | 2.7 | V | 0.90 | 0.86 | 0.87 | 0.81 | 97 | W | 1.12 | 0.94 | 1.15 | 0.93 | 1.9 | Y | 1.22 | 1.19 | 1.21 | 1.19 | 21 | Zn | 1.00 | 0.96 | 1.06 | 1.00 | 67 | Zr | 1.35 | 1.33 | 1.43 | 1.39 | 193 | SiO2 | 0.96 | 0.96 | 0.98 | 0.98 | 66.62 | Al2O3 | 0.91 | 0.88 | 0.85 | 0.84 | 15.4 | TFe2O3 | 0.86 | 0.83 | 0.80 | 0.78 | 5.6 | MgO | 0.61 | 0.60 | 0.60 | 0.59 | 2.48 | CaO | 0.83 | 0.81 | 0.79 | 0.78 | 3.59 | Na2O | 0.39 | 0.39 | 0.39 | 0.39 | 3.27 | K2O | 0.86 | 0.86 | 0.84 | 0.84 | 2.8 |
|
|
|