Full
ZHAO Bo, engineer, majors in geodesy, E-mail: 554893513@qq.com
Outline
Using precise leveling measurement data and a modified dip-slip displacement model, we systematic analyze the vertical movement characteristics of each section of the northern margin fault of western Qinling mountains. The results show that the northern margin fault of western Qinling mountains is undergoing a composite deformation mechanism of left-lateral strike-slip and thrust compression, and the activity varies among different sections. The vertical dip-slip rate increase from 0.24 mm/a in the western section to a maximum of 2.31 mm/a in the eastern section, and then decrease to 1.51 mm/a. The inverted locking depths are consistent with the relocation depths of small earthquakes, which indicates that there are different locking states in each section. Combining seismic activity, the Tianshui-Baoji section has the highest earthquake risk.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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