河南省土壤环境监测背景点位布设参考区域划分研究

解庆锋, 周小果, 王振峰, 马振波, 李胜昌, 张得恩, 司法祯

Reference area division for background point arrangement in soil environmental monitoring in Henan Province

XIE Qing-Feng, ZHOU Xiao-Guo, WANG Zhen-Feng, MA Zhen-Bo, LI Sheng-Chang, ZHANG De-En, SI Fa-Zhen

表1 不同成土母质水系沉积物测量数据特征

Table 1 Characteristics of stream sediment survey data in different soil forming parent material

成土母质 元素 平均值 中位数 标准差 样品数 最大值 最小值 变异系数/% 残积和坡积物 Cd 0.139 0.110 0.210 11204 14.550 0.010 153.1 As 8.50 7.50 7.85 11201 577.70 0.13 92.5 Pb 36.40 25.40 205.48 11198 14300.00 0.70 564.5 Hg 38.40 29.00 73.77 11199 4260.00 1.00 192.2 Cr 71.30 67.00 38.99 11198 1380.00 5.00 54.7 河湖相沉积物 Cd 0.078 0.070 0.030 137 0.180 0.020 39.6 As 8.00 8.30 2.38 137 15.80 1.70 29.5 Pb 22.20 21.80 3.60 137 33.80 14.10 16.2 Hg 33.20 30.00 15.66 137 120.00 10.00 47.2 Cr 66.40 66.30 7.14 137 108.40 49.20 10.8 河流冲积物 Cd 0.100 0.080 0.090 1235 1.500 0.010 89.5 As 9.50 9.20 4.53 1233 73.80 0.30 47.7 Pb 27.90 25.265 17.63 1234 424.00 3.40 63.2 Hg 65.70 35.00 288.70 1234 4000.00 5.00 439.7 Cr 69.10 64.65 26.04 1237 285.00 6.00 37.7 洪积物 Cd 0.094 0.090 0.060 1409 1.120 0.010 65.6 As 11.60 11.20 19.39 1408 730.00 2.60 167.7 Pb 22.00 20.90 8.460 1410 217.00 3.00 38.5 Hg 36.50 30.00 93.33 1410 3020.00 5.00 255.5 Cr 67.90 66.10 20.88 1410 459.60 18.60 30.8 黄土与红土 Cd 0.092 0.080 0.210 2968 11.000 0.010 231.2 As 10.30 10.40 4.26 2964 135.00 0.56 41.2 Pb 22.10 20.30 15.09 2968 676.00 4.20 68.1 Hg 28.30 20.00 34.92 2969 680.00 4.00 123.2 Cr 70.20 68.00 19.01 2967 532.00 12.50 27.1