中国陆域冻土区浅表烃类地球化学特征及其成因分析
|
杨志斌, 周亚龙, 张富贵, 张舜尧, 孙忠军
|
Geochemical characteristics and genesis of hydrocarbons in superficial soil in continental permafrost regions in China
|
YANG Zhi-Bin, ZHOU Ya-Long, ZHANG Fu-Gui, ZHANG Shun-Yao, SUN Zhong-Jun
|
|
表3 冻土区顶空游离烃指标统计特征
|
Table 3 Statistics of various indexes of hydrocarbon gas detected with headspace gas technique in the permafrost area
|
|
地区 | 指标 | 检出样本数 | 均值 /(μL·L-1) | 最小值 /(μL·L-1) | 最大值 /(μL·L-1) | 标准离差 /(μL·L-1) | 变异系数 | 祁连山 木里地区 | CH4 | 300 | 600.00 | 3.01 | 13092.85 | 1624.19 | 2.71 | C2H6 | 300 | 0.51 | 0.10 | 3.41 | 0.43 | 0.85 | C2H4 | 300 | 0.93 | 0.09 | 4.72 | 0.64 | 0.69 | C3H8 | 300 | 0.44 | 0.07 | 3.69 | 0.44 | 1.00 | C3H6 | 295 | 0.49 | 0 | 1.47 | 0.36 | 0.74 | nC4H10 | 256 | 0.14 | 0 | 1.01 | 0.10 | 0.69 | iC4H10 | 256 | 0.13 | 0 | 0.57 | 0.09 | 0.68 | nC5H12 | 74 | 0.18 | 0 | 0.48 | 0.09 | 0.47 | iC5H12 | 77 | 0.34 | 0 | 1.83 | 0.39 | 1.15 | 漠河盆地 | CH4 | 2001 | 10.95 | 1.64 | 644.45 | 17.99 | 1.64 | C2H6 | 2000 | 2.37 | 0 | 621.27 | 21.84 | 9.23 | C2H4 | 2001 | 8.25 | 0.07 | 39.22 | 5.56 | 0.67 | C3H8 | 2001 | 2.22 | 0.04 | 405.02 | 13.95 | 6.27 | C3H6 | 2000 | 0.81 | 0.04 | 4.13 | 0.50 | 0.61 | nC4H10 | 1993 | 0.98 | 0 | 172.68 | 6.04 | 6.14 | iC4H10 | 1874 | 0.12 | 0 | 11.24 | 0.45 | 3.63 | nC5H12 | 2000 | 2.77 | 0 | 55.97 | 3.58 | 1.29 | iC5H12 | 1974 | 0.42 | 0 | 11.11 | 0.55 | 1.33 | 羌塘盆地 | CH4 | 5011 | 3.30 | 0.10 | 118.39 | 4.70 | 1.42 | C2H6 | 5005 | 0.43 | 0 | 300.62 | 5.27 | 12.30 | C2H4 | 5006 | 0.65 | 0 | 6.70 | 0.57 | 0.88 | C3H8 | 5009 | 0.27 | 0 | 136.57 | 2.41 | 8.91 | C3H6 | 5006 | 0.18 | 0 | 13.00 | 0.23 | 1.28 | nC4H10 | 4961 | 0.13 | 0 | 59.64 | 1.07 | 8.03 | iC4H10 | 4998 | 0.10 | 0 | 2.63 | 0.09 | 0.92 | nC5H12 | 4828 | 0.15 | 0 | 6.27 | 0.23 | 1.61 | iC5H12 | 4860 | 0.16 | 0 | 6.58 | 0.26 | 1.65 |
|
|
|