Journal of Desert Research ›› 2023, Vol. 43 ›› Issue (5): 194-203.DOI: 10.7522/j.issn.1000-694X.2023.00106
Ting Liu1,2(), Xiaopeng Jia1, Dingmei Chen3, Lamu Yixi3, Yan Zhang1,2, Kaijia Pan1,2, Zhengcai Zhang1,4(
)
Received:
2023-05-31
Revised:
2023-07-14
Online:
2023-09-20
Published:
2023-09-27
Contact:
Zhengcai Zhang
CLC Number:
Ting Liu, Xiaopeng Jia, Dingmei Chen, Lamu Yixi, Yan Zhang, Kaijia Pan, Zhengcai Zhang. Surface aerodynamic characteristics of flat quicksand in the middle reaches of Yarlung Tsangpo River[J]. Journal of Desert Research, 2023, 43(5): 194-203.
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URL: http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2023.00106
地点 | 纬度 /(°) | 经度 /(°) | 海拔 /m | 日均气温 /℃ | 湿度 /% | 空气密度 /(kg·m-3) | 1.8 m高处平均风速 /(m·s-1) | 风向 /(°) | 时间段 |
---|---|---|---|---|---|---|---|---|---|
聂日雄 | 29.3 | 88.8 | 3 839 | -1.5 | 34.2 | 0.8 | 5.0±3.0 | 128±93 | 12:30—15:00 |
谢通门 | 29.4 | 88.5 | 3 895 | 2.7 | 35.5 | 0.8 | 5.4±3.2 | 143±108 | 12:00—18:30 |
达那答 | 29.4 | 88.6 | 3 860 | -2.0 | 37.9 | 0.8 | 3.9±2.4 | 276±22 | 13:00—17:00 |
昌果1 | 29.3 | 91.1 | 3 558 | 4.4 | 10.7 | 0.9 | 7.0±3.0 | 264±18 | 12:40—15:00 |
昌果2 | 29.3 | 91.2 | 3 558 | 4.4 | 10.7 | 0.9 | 6.5±3.2 | 253±22 | 13:00—16:00 |
阿扎 | 29.3 | 91.9 | 3 547 | 4.1 | 12.5 | 0.9 | 8.5±2.6 | 283±18 | 16:00—18:00 |
河西 | 42.3 | 101.0 | 914 | -1.6 | 29.5 | 1.1 | 6.7±3.2 | 272±18 | 10:25—16:40 |
Table 1 Meteorological data of each station in the study area
地点 | 纬度 /(°) | 经度 /(°) | 海拔 /m | 日均气温 /℃ | 湿度 /% | 空气密度 /(kg·m-3) | 1.8 m高处平均风速 /(m·s-1) | 风向 /(°) | 时间段 |
---|---|---|---|---|---|---|---|---|---|
聂日雄 | 29.3 | 88.8 | 3 839 | -1.5 | 34.2 | 0.8 | 5.0±3.0 | 128±93 | 12:30—15:00 |
谢通门 | 29.4 | 88.5 | 3 895 | 2.7 | 35.5 | 0.8 | 5.4±3.2 | 143±108 | 12:00—18:30 |
达那答 | 29.4 | 88.6 | 3 860 | -2.0 | 37.9 | 0.8 | 3.9±2.4 | 276±22 | 13:00—17:00 |
昌果1 | 29.3 | 91.1 | 3 558 | 4.4 | 10.7 | 0.9 | 7.0±3.0 | 264±18 | 12:40—15:00 |
昌果2 | 29.3 | 91.2 | 3 558 | 4.4 | 10.7 | 0.9 | 6.5±3.2 | 253±22 | 13:00—16:00 |
阿扎 | 29.3 | 91.9 | 3 547 | 4.1 | 12.5 | 0.9 | 8.5±2.6 | 283±18 | 16:00—18:00 |
河西 | 42.3 | 101.0 | 914 | -1.6 | 29.5 | 1.1 | 6.7±3.2 | 272±18 | 10:25—16:40 |
高度范围/m | 高度平均值/m | 风速范围/(m·s-1) | 风速平均值/(m·s-1) | |
---|---|---|---|---|
大于4 m·s-1 | ||||
谢通门 | 0.003~0.463 | 0.084±0.145 | 0.03~3.63 | 2.33±2.00 |
达那答 | 0.002~0.081 | 0.024±0.032 | 0.01~3.09 | 1.18±1.33 |
聂日雄 | 0.001~0.015 | 0.005±0.006 | 0.42~2.21 | 1.05±0.68 |
昌果1 | 0.0002~0.036 | 0.010±0.010 | 0.50~4.88 | 2.90±1.26 |
昌果2 | 0.0004~0.144 | 0.014±0.030 | 0.78~7.36 | 2.86±1.60 |
阿扎 | 0.001~0.064 | 0.017±0.017 | 0.46~5.12 | 2.71±1.13 |
河西 | 0.002~0.157 | 0.021±0.034 | 0.86~7.00 | 2.91±1.78 |
大于6 m·s-1 | ||||
昌果1 | 0.003~0.036 | 0.017±0.011 | 2.80~4.88 | 3.97±0.66 |
昌果2 | 0.0004~0.0144 | 0.021±0.037 | 1.00~7.36 | 3.53±1.58 |
阿扎 | 0.001~0.064 | 0.019±0.017 | 0.46~5.12 | 3.01±1.19 |
大于8 m·s-1 | ||||
河西 | 0.003~0.157 | 0.040±0.050 | 1.54~7.00 | 1.93±4.17 |
Table 2 The wind profile focus height and wind velocity
高度范围/m | 高度平均值/m | 风速范围/(m·s-1) | 风速平均值/(m·s-1) | |
---|---|---|---|---|
大于4 m·s-1 | ||||
谢通门 | 0.003~0.463 | 0.084±0.145 | 0.03~3.63 | 2.33±2.00 |
达那答 | 0.002~0.081 | 0.024±0.032 | 0.01~3.09 | 1.18±1.33 |
聂日雄 | 0.001~0.015 | 0.005±0.006 | 0.42~2.21 | 1.05±0.68 |
昌果1 | 0.0002~0.036 | 0.010±0.010 | 0.50~4.88 | 2.90±1.26 |
昌果2 | 0.0004~0.144 | 0.014±0.030 | 0.78~7.36 | 2.86±1.60 |
阿扎 | 0.001~0.064 | 0.017±0.017 | 0.46~5.12 | 2.71±1.13 |
河西 | 0.002~0.157 | 0.021±0.034 | 0.86~7.00 | 2.91±1.78 |
大于6 m·s-1 | ||||
昌果1 | 0.003~0.036 | 0.017±0.011 | 2.80~4.88 | 3.97±0.66 |
昌果2 | 0.0004~0.0144 | 0.021±0.037 | 1.00~7.36 | 3.53±1.58 |
阿扎 | 0.001~0.064 | 0.019±0.017 | 0.46~5.12 | 3.01±1.19 |
大于8 m·s-1 | ||||
河西 | 0.003~0.157 | 0.040±0.050 | 1.54~7.00 | 1.93±4.17 |
T | Sig. | 相关性 | 共线性统计量 | |||||
---|---|---|---|---|---|---|---|---|
零阶 | 偏 | 部分 | 容差 | VIF | ||||
z0 | 常量 | -2.917 | 0.062 | |||||
H/m | 1.488 | 0.233 | 0.458 | 0.652 | 0.306 | 0.698 | 1.432 | |
T/℃ | 0.875 | 0.446 | -0.412 | 0.451 | 0.18 | 0.219 | 4.558 | |
RH/% | 2.678 | 0.075 | 0.778 | 0.84 | 0.551 | 0.247 | 4.051 | |
u* | 常量 | -0.888 | 0.44 | |||||
H/m | 4.55 | 0.02 | 0.813 | 0.935 | 0.634 | 0.698 | 1.432 | |
T/℃ | 0.782 | 0.491 | -0.101 | 0.412 | 0.109 | 0.219 | 4.558 | |
RH/% | 2.528 | 0.086 | 0.491 | 0.825 | 0.352 | 0.247 | 4.051 |
Table 3 Regression coefficient
T | Sig. | 相关性 | 共线性统计量 | |||||
---|---|---|---|---|---|---|---|---|
零阶 | 偏 | 部分 | 容差 | VIF | ||||
z0 | 常量 | -2.917 | 0.062 | |||||
H/m | 1.488 | 0.233 | 0.458 | 0.652 | 0.306 | 0.698 | 1.432 | |
T/℃ | 0.875 | 0.446 | -0.412 | 0.451 | 0.18 | 0.219 | 4.558 | |
RH/% | 2.678 | 0.075 | 0.778 | 0.84 | 0.551 | 0.247 | 4.051 | |
u* | 常量 | -0.888 | 0.44 | |||||
H/m | 4.55 | 0.02 | 0.813 | 0.935 | 0.634 | 0.698 | 1.432 | |
T/℃ | 0.782 | 0.491 | -0.101 | 0.412 | 0.109 | 0.219 | 4.558 | |
RH/% | 2.528 | 0.086 | 0.491 | 0.825 | 0.352 | 0.247 | 4.051 |
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