宁夏南部山区葫芦河流域土壤地球化学特征及影响因素分析
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李永春, 苏日力格, 周文辉, 邰苏日嘎拉, 陈国栋, 王永亮, 高琪, 张祥, 张栋
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Geochemical characteristics and influencing factors of soil in Hulu River Basin in the southern mountainous region of Ningxia
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LI Yong-Chun, SU Ri-Li-Ge, ZHOU Wen-Hui, TAI Su-Ri-Ga-La, CHEN Guo-Dong, WANG Yong-Liang, GAO Qi, ZHANG Xiang, ZHANG Dong
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表2 研究区表层土壤元素地球化学特征统计表
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Table 2 Characteristics of geochemical in the whole region
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元素 指标 | 样品数 N | 均值 X | 几何均值 X1 | 中位数 M | 标准离差 S | 变异系数 Cv | 最大值 Xmax | 最小值 Xmin | 剔除后 样品数 N1 | 背景值 X0 | K1 | K2 | SiO2 | 6392 | 54.91 | 54.87 | 54.80 | 2.14 | 0.04 | 68.33 | 40.33 | 6242 | 54.93 | 0.85 | 0.79 | Al2O3 | 6392 | 11.63 | 11.62 | 11.60 | 0.47 | 0.04 | 14.90 | 8.74 | 6092 | 11.60 | 0.89 | 1.24 | Fe2O3 | 6392 | 4.60 | 4.59 | 4.60 | 0.31 | 0.07 | 6.28 | 2.83 | 6258 | 4.60 | 1.06 | 1.39 | MgO | 6392 | 2.55 | 2.54 | 2.53 | 0.24 | 0.10 | 6.87 | 1.53 | 6226 | 2.54 | 1.74 | 1.40 | CaO | 6392 | 9.27 | 9.14 | 9.43 | 1.43 | 0.15 | 18.22 | 1.32 | 6276 | 9.35 | 3.36 | 1.76 | Na2O | 6392 | 1.67 | 1.67 | 1.67 | 0.16 | 0.10 | 2.47 | 0.58 | 6322 | 1.68 | 1.32 | 0.96 | K2O | 6392 | 2.57 | 2.56 | 2.54 | 0.23 | 0.09 | 4.03 | 1.01 | 6336 | 2.56 | 1.09 | 1.20 | Corg. | 6392 | 0.70 | 0.65 | 0.67 | 0.28 | 0.40 | 3.21 | 0.10 | 6237 | 0.68 | 0.63 | 1.74 | pH | 6392 | 8.33 | 8.33 | 8.34 | 0.18 | 0.02 | 9.71 | 7.34 | 6363 | 8.33 | 1.17 | 1.00 | As | 6392 | 13.10 | 13.02 | 12.95 | 1.49 | 0.11 | 27.90 | 4.55 | 6240 | 13.00 | 1.43 | 1.35 | B | 6392 | 54.97 | 54.68 | 54.19 | 5.92 | 0.11 | 131.12 | 30.87 | 6228 | 54.55 | 1.13 | 1.33 | Cd | 6392 | 0.15 | 0.15 | 0.15 | 0.02 | 0.16 | 0.52 | 0.09 | 6298 | 0.15 | 1.02 | 1.29 | Cl | 6392 | 65.23 | 61.70 | 58.19 | 30.35 | 0.47 | 864.26 | 25.09 | 5953 | 59.61 | 0.82 | 0.90 | Co | 6392 | 12.37 | 12.32 | 12.29 | 1.13 | 0.09 | 19.15 | 6.59 | 6268 | 12.33 | 1.05 | 1.37 | Cr | 6392 | 62.55 | 62.32 | 62.29 | 6.34 | 0.10 | 358.05 | 32.67 | 6226 | 62.44 | 0.99 | 1.16 | Cu | 6392 | 24.54 | 24.39 | 24.20 | 3.37 | 0.14 | 192.50 | 14.56 | 6226 | 24.31 | 1.07 | 1.43 | F | 6392 | 618.10 | 613.48 | 617.00 | 76.41 | 0.12 | 1702.00 | 313.00 | 6282 | 616.72 | 1.23 | 1.46 | Ge | 6392 | 1.22 | 1.21 | 1.22 | 0.06 | 0.05 | 1.52 | 0.77 | 6257 | 1.22 | 0.90 | 1.01 | Hg | 6392 | 24.18 | 22.28 | 20.97 | 15.71 | 0.65 | 479.93 | 5.02 | 5986 | 21.72 | 0.44 | 1.14 | I | 6392 | 2.41 | 2.27 | 2.17 | 1.01 | 0.42 | 20.26 | 0.41 | 5969 | 2.21 | 1.23 | 1.70 | Mn | 6392 | 645.24 | 643.58 | 642.00 | 47.47 | 0.07 | 1268.00 | 399.00 | 6263 | 643.48 | 1.17 | 1.36 | Mo | 6392 | 0.94 | 0.90 | 0.85 | 0.52 | 0.56 | 18.72 | 0.55 | 5905 | 0.86 | 1.29 | 1.39 | N | 6392 | 893.41 | 850.55 | 870.00 | 283.08 | 0.32 | 2834.00 | 256.00 | 6276 | 875.37 | 0.78 | 1.90 | Ni | 6392 | 32.49 | 32.32 | 32.27 | 3.60 | 0.11 | 168.00 | 16.58 | 6310 | 32.45 | 1.24 | 1.35 | P | 6392 | 813.01 | 801.12 | 793.00 | 143.90 | 0.18 | 2388.00 | 408.00 | 6319 | 807.07 | 1.18 | 1.88 | Pb | 6392 | 20.32 | 20.20 | 20.00 | 2.45 | 0.12 | 86.31 | 14.35 | 6216 | 20.09 | 0.79 | 1.12 | S | 6392 | 236.98 | 220.55 | 214.40 | 469.05 | 1.98 | 34480.00 | 121.50 | 6183 | 218.04 | 0.84 | 1.06 | Se | 6392 | 0.14 | 0.14 | 0.14 | 0.04 | 0.31 | 0.94 | 0.07 | 6244 | 0.14 | 0.63 | 0.93 | V | 6392 | 78.19 | 78.02 | 78.09 | 5.21 | 0.07 | 110.88 | 49.85 | 6254 | 78.09 | 0.98 | 1.26 | Zn | 6392 | 71.20 | 70.94 | 70.44 | 6.10 | 0.09 | 121.80 | 42.03 | 6169 | 70.80 | 1.05 | 1.48 |
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