颗粒波纹粒度特征
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周坤, 韩庆杰, 屈建军, 俎瑞平, 刘冰
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Study on the grain size characteristics of granule ripples: Taking Dunhuang Yardang, Sanlongsha and Tokexun areas as examples
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Kun Zhou, Qingjie Han, Jianjun Qu, Ruiping Zu, Bing Liu
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表3 典型颗粒波纹不同部位表面沉积物粒级组成
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Table 3 Typical granule ripples surface sediment grain size composition in different parts
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样地 | 部位 | 取样位置/m | 极粗砾 | 粗砾 | 中砾 | 细砾 | 极细砾 | 极粗沙 | 粗沙 | 中沙 | 细沙 | 极细沙 | 粉沙和黏土 | Φ50/mm |
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托克逊1 | 波谷 | 0 | 0 | 0 | 0.142 | 0.348 | 0.105 | 0.121 | 0.134 | 0.042 | 0.075 | 0.031 | 0.002 | 3.786 | 迎风坡 | 1 | 0 | 0.155 | 0.326 | 0.350 | 0.069 | 0.042 | 0.035 | 0.008 | 0.010 | 0.005 | 0 | 7.728 | 2 | 0 | 0.265 | 0.293 | 0.340 | 0.061 | 0.022 | 0.012 | 0.003 | 0.004 | 0.001 | 0 | 8.857 | 3 | 0 | 0.503 | 0.260 | 0.198 | 0.023 | 0.007 | 0.005 | 0.001 | 0.001 | 0.001 | 0 | 16.021 | 4 | 0 | 0.474 | 0.319 | 0.187 | 0.015 | 0.003 | 0.001 | 0 | 0 | 0 | 0 | 15.236 | 5 | 0 | 0.196 | 0.688 | 0.104 | 0.005 | 0.002 | 0.002 | 0.001 | 0.001 | 0 | 0 | 13.036 | 波峰 | 6 | 0 | 0.183 | 0.788 | 0.028 | 0 | 0 | 0.000 | 0 | 0 | 0 | 0 | 13.092 | 背风坡 | 7 | 0 | 0.038 | 0.587 | 0.323 | 0.032 | 0.013 | 0.006 | 0.001 | 0.001 | 0.001 | 0 | 9.123 | 8 | 0 | 0.035 | 0.499 | 0.356 | 0.052 | 0.031 | 0.020 | 0.003 | 0.003 | 0.002 | 0 | 8.393 | 9 | 0 | 0.108 | 0.498 | 0.303 | 0.043 | 0.022 | 0.016 | 0.003 | 0.004 | 0.003 | 0 | 9.281 | 波谷 | 10 | 0 | 0.273 | 0.405 | 0.249 | 0.036 | 0.020 | 0.011 | 0.002 | 0.002 | 0.001 | 0 | 10.653 | 托克逊2 | 波谷 | 0 | 0.290 | 0.424 | 0.259 | 0.016 | 0.002 | 0.002 | 0.003 | 0.001 | 0.001 | 0.001 | 0 | 23.060 | 迎风坡 | 1 | 0.197 | 0.435 | 0.332 | 0.025 | 0.004 | 0.002 | 0.003 | 0.001 | 0.002 | 0.001 | 0 | 22.822 | 2 | 0.241 | 0.537 | 0.206 | 0.013 | 0.001 | 0.001 | 0.001 | 0 | 0 | 0 | 0 | 24.259 | 波峰 | 3 | 0 | 0.471 | 0.488 | 0.026 | 0.004 | 0.004 | 0.004 | 0.001 | 0.001 | 0 | 0 | 15.479 | 背风坡 | 4 | 0 | 0.391 | 0.581 | 0.018 | 0.002 | 0.003 | 0.003 | 0.001 | 0.001 | 0 | 0 | 14.573 | 5 | 0 | 0.198 | 0.428 | 0.047 | 0.019 | 0.055 | 0.124 | 0.045 | 0.068 | 0.015 | 0.001 | 10.631 | 波谷 | 6 | 0.056 | 0.530 | 0.345 | 0.039 | 0.009 | 0.007 | 0.007 | 0.001 | 0.003 | 0.002 | 0.001 | 17.456 | 雅丹1 | 波谷 | 0 | 0 | 0.035 | 0.290 | 0.202 | 0.040 | 0.116 | 0.093 | 0.050 | 0.136 | 0.037 | 0.001 | 4.815 | 迎风坡 | 1 | 0 | 0.044 | 0.394 | 0.217 | 0.041 | 0.099 | 0.061 | 0.022 | 0.083 | 0.038 | 0.001 | 6.521 | 2 | 0 | 0.023 | 0.413 | 0.212 | 0.048 | 0.092 | 0.065 | 0.031 | 0.079 | 0.036 | 0.001 | 6.105 | 3 | 0 | 0.042 | 0.269 | 0.238 | 0.055 | 0.102 | 0.079 | 0.036 | 0.143 | 0.036 | 0.001 | 5.007 | 4 | 0 | 0.064 | 0.272 | 0.314 | 0.068 | 0.087 | 0.055 | 0.020 | 0.069 | 0.049 | 0.002 | 5.555 | 5 | 0 | 0.048 | 0.306 | 0.354 | 0.079 | 0.072 | 0.045 | 0.016 | 0.048 | 0.032 | 0.001 | 5.854 | 6 | 0 | 0.039 | 0.336 | 0.321 | 0.093 | 0.070 | 0.046 | 0.016 | 0.048 | 0.031 | 0.001 | 5.759 | 7 | 0 | 0 | 0.281 | 0.403 | 0.107 | 0.062 | 0.045 | 0.016 | 0.051 | 0.034 | 0.001 | 5.493 | 8 | 0 | 0 | 0.257 | 0.600 | 0.058 | 0.020 | 0.020 | 0.011 | 0.024 | 0.008 | 0 | 6.702 | 9 | 0 | 0 | 0.464 | 0.510 | 0.005 | 0.004 | 0.007 | 0.003 | 0.004 | 0.002 | 0 | 7.809 | 波峰 | 10 | 0 | 0 | 0.443 | 0.545 | 0.003 | 0.002 | 0.004 | 0.001 | 0.001 | 0 | 0 | 7.725 | 背风坡 | 11 | 0 | 0 | 0.266 | 0.467 | 0.007 | 0.034 | 0.065 | 0.026 | 0.089 | 0.045 | 0.001 | 6.645 | 12 | 0 | 0 | 0.171 | 0.454 | 0.018 | 0.062 | 0.097 | 0.042 | 0.115 | 0.041 | 0.001 | 6.024 | 13 | 0 | 0 | 0.141 | 0.445 | 0.023 | 0.074 | 0.112 | 0.056 | 0.103 | 0.045 | 0.001 | 5.516 | 14 | 0 | 0 | 0.112 | 0.409 | 0.026 | 0.073 | 0.108 | 0.050 | 0.125 | 0.094 | 0.002 | 5.029 | 15 | 0 | 0.065 | 0.136 | 0.397 | 0.023 | 0.063 | 0.096 | 0.047 | 0.132 | 0.042 | 0 | 5.546 | 16 | 0 | 0.099 | 0.123 | 0.383 | 0.030 | 0.070 | 0.091 | 0.037 | 0.100 | 0.065 | 0.001 | 5.490 | 17 | 0 | 0.094 | 0.194 | 0.253 | 0.031 | 0.082 | 0.102 | 0.043 | 0.138 | 0.062 | 0.001 | 5.142 | 18 | 0 | 0.045 | 0.200 | 0.299 | 0.040 | 0.094 | 0.094 | 0.036 | 0.155 | 0.039 | 0 | 5.121 | 19 | 0 | 0.017 | 0.215 | 0.306 | 0.048 | 0.106 | 0.088 | 0.030 | 0.126 | 0.062 | 0.001 | 5.049 | 波谷 | 20 | 0 | 0 | 0.240 | 0.298 | 0.046 | 0.100 | 0.084 | 0.032 | 0.123 | 0.076 | 0.001 | 5.076 |
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