Geoscience ›› 2018, Vol. 32 ›› Issue (05): 1003-1011.DOI: 10.19657/j.geoscience.1000-8527.2018.05.13
• Study of Natural Gas Hydrates • Previous Articles Next Articles
ZHANG Fugui1,2(), TANG Ruiling1(
), YANG Zhibin1,2, ZHU Jinghua3, ZHOU Yalong1,2, SUN Zhongjun1,2
Received:
2018-01-10
Revised:
2018-07-10
Online:
2018-10-10
Published:
2018-11-04
CLC Number:
ZHANG Fugui, TANG Ruiling, YANG Zhibin, ZHU Jinghua, ZHOU Yalong, SUN Zhongjun. Geochemical Investigation and Prospective Evaluation of Natural Gas Hydrates in the Permafrost of Mohe Basin[J]. Geoscience, 2018, 32(05): 1003-1011.
指标 | 最大值 | 最小值 | 平均值 | 标准 离差 | 变化 系数 |
---|---|---|---|---|---|
顶空气CH4 | 644.50 | 2.80 | 12.48 | 14.95 | 1.20 |
顶空气C2H6 | 621.27 | 0.01 | 2.22 | 19.54 | 8.78 |
顶空气C3H8 | 405.02 | 0.03 | 2.26 | 12.51 | 5.54 |
顶空气iC4H10 | 11.24 | 0.01 | 0.09 | 0.39 | 4.36 |
顶空气nC4H10 | 172.68 | 0.02 | 1.02 | 5.42 | 5.29 |
顶空气iC5H12 | 11.11 | 0.02 | 0.46 | 0.56 | 1.22 |
顶空气nC5H12 | 80.09 | 0.01 | 3.85 | 5.22 | 1.36 |
酸解烃CH4 | 17.80 | 1.10 | 3.84 | 1.26 | 0.33 |
酸解烃C2H6 | 0.81 | 0 | 0.05 | 0.05 | 0.94 |
酸解烃C3H8 | 0.44 | 0 | 0.04 | 0.03 | 0.77 |
酸解烃C2+ | 1 251.04 | 0.34 | 20.89 | 41.45 | 1.99 |
荧光光谱(320 nm) | 211.60 | 0.82 | 10.42 | 8.20 | 0.79 |
荧光光谱(360 nm) | 367.50 | 1.15 | 12.68 | 14.07 | 1.11 |
荧光光谱(405 nm) | 573.48 | 0.35 | 6.78 | 15.05 | 2.22 |
Table 1 Eigen values of soil geochemical indicators
指标 | 最大值 | 最小值 | 平均值 | 标准 离差 | 变化 系数 |
---|---|---|---|---|---|
顶空气CH4 | 644.50 | 2.80 | 12.48 | 14.95 | 1.20 |
顶空气C2H6 | 621.27 | 0.01 | 2.22 | 19.54 | 8.78 |
顶空气C3H8 | 405.02 | 0.03 | 2.26 | 12.51 | 5.54 |
顶空气iC4H10 | 11.24 | 0.01 | 0.09 | 0.39 | 4.36 |
顶空气nC4H10 | 172.68 | 0.02 | 1.02 | 5.42 | 5.29 |
顶空气iC5H12 | 11.11 | 0.02 | 0.46 | 0.56 | 1.22 |
顶空气nC5H12 | 80.09 | 0.01 | 3.85 | 5.22 | 1.36 |
酸解烃CH4 | 17.80 | 1.10 | 3.84 | 1.26 | 0.33 |
酸解烃C2H6 | 0.81 | 0 | 0.05 | 0.05 | 0.94 |
酸解烃C3H8 | 0.44 | 0 | 0.04 | 0.03 | 0.77 |
酸解烃C2+ | 1 251.04 | 0.34 | 20.89 | 41.45 | 1.99 |
荧光光谱(320 nm) | 211.60 | 0.82 | 10.42 | 8.20 | 0.79 |
荧光光谱(360 nm) | 367.50 | 1.15 | 12.68 | 14.07 | 1.11 |
荧光光谱(405 nm) | 573.48 | 0.35 | 6.78 | 15.05 | 2.22 |
指标 | 分形层次性(n) | 分维数(Di) | 含量区间 | 样品数 | ∑n×Di | 结构能系数(e) | |
---|---|---|---|---|---|---|---|
w(CH4) | 1 | 0.416 | 0.447~0.950 | 728 | 0.416 | 12.624 | 3.156 |
2 | 3.452 | 0.95~1.544 | 1 755 | 6.904 | |||
3 | 1.768 | 1.544~2.300 | 18 | 5.304 | |||
w(C2+) | 1 | 0.099 | -0.471~0.880 | 489 | 0.099 | 14.153 | 3.538 |
2 | 0.995 | 0.881~1.400 | 1 401 | 1.990 | |||
3 | 2.864 | 1.400~2.045 | 601 | 8.592 | |||
4 | 0.868 | 2.045~3.097 | 10 | 3.472 | |||
F320 | 1 | 0.212 | 0.312~0.750 | 387 | 0.212 | 10.325 | 2.581 |
2 | 2.631 | 0.751~1.510 | 2 088 | 5.262 | |||
3 | 1.617 | 1.511~2.325 | 26 | 4.851 | |||
F360 | 1 | 0.162 | 0.061~0.780 | 381 | 0.162 | 4.388 | 1.097 |
2 | 2.113 | 0.781~2.565 | 2 120 | 4.226 |
Table 2 Fractal statistics of geochemical indicators in the soil of the Mohe basin
指标 | 分形层次性(n) | 分维数(Di) | 含量区间 | 样品数 | ∑n×Di | 结构能系数(e) | |
---|---|---|---|---|---|---|---|
w(CH4) | 1 | 0.416 | 0.447~0.950 | 728 | 0.416 | 12.624 | 3.156 |
2 | 3.452 | 0.95~1.544 | 1 755 | 6.904 | |||
3 | 1.768 | 1.544~2.300 | 18 | 5.304 | |||
w(C2+) | 1 | 0.099 | -0.471~0.880 | 489 | 0.099 | 14.153 | 3.538 |
2 | 0.995 | 0.881~1.400 | 1 401 | 1.990 | |||
3 | 2.864 | 1.400~2.045 | 601 | 8.592 | |||
4 | 0.868 | 2.045~3.097 | 10 | 3.472 | |||
F320 | 1 | 0.212 | 0.312~0.750 | 387 | 0.212 | 10.325 | 2.581 |
2 | 2.631 | 0.751~1.510 | 2 088 | 5.262 | |||
3 | 1.617 | 1.511~2.325 | 26 | 4.851 | |||
F360 | 1 | 0.162 | 0.061~0.780 | 381 | 0.162 | 4.388 | 1.097 |
2 | 2.113 | 0.781~2.565 | 2 120 | 4.226 |
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