北部湾海岸现代风沙与海滩沙粒度特征对比
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司月君, 李保生, 李志文, 王丰年, 牛东风, 杜恕环
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A comparative analysis of grain size characteristics of modern aeolian sand and beach sand from the coast of Beibu Gulf in China
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Yuejun Si, Baosheng Li, Zhiwen Li, Fengnian Wang, Dongfeng Niu, Shuhuan Du
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表1 北部湾海岸风沙与海滩沙的粒级组分含量(%)
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Table 1 The component of grain size of coastal aeolian sand and beach sand along the Beibu Gulf (%)
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地点 | 类型(个数) | | 极粗沙 | 粗沙 | 中沙 | 细沙 | 极细沙 | 粗粉沙 | 细粉沙 | 黏土 |
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防城港 | 风沙 (59) | 范围 | 0.00 | 0~0.25 | 10.20~40.24 | 59.26~81.24 | 0.04~8.56 | 0.00 | 0.00 | 0.00 | 均值 | 0.00 | 0.01 | 27.83 | 71.02 | 1.14 | 0.00 | 0.00 | 0.00 | 海滩沙 (30) | 范围 | 0~2.46 | 0~14.54 | 7.64~40.40 | 41.91~79.96 | 1.37~13.22 | 0~1.61 | 0~0.57 | 0~0.61 | 均值 | 0.44 | 3.89 | 24.34 | 63.84 | 7.37 | 0.05 | 0.03 | 0.04 | 钦州 | 风沙 (9) | 范围 | 0.00 | 0~0.02 | 2.18~3.98 | 90.41~94.37 | 3.25~5.61 | 0.00 | 0.00 | 0.00 | 均值 | 0.00 | 0.01 | 2.86 | 93.03 | 4.10 | 0.00 | 0.00 | 0.00 | 海滩沙 (10) | 范围 | 0~0.91 | 0~2.31 | 1.52~9.99 | 80.09~88.81 | 5.29~15.91 | 0.00 | 0.00 | 0.00 | 均值 | 0.18 | 0.44 | 5.64 | 84.60 | 9.14 | 0.00 | 0.00 | 0.00 | 北海 | 风沙 (11) | 范围 | 0.00 | 0~0.01 | 23.62~30.50 | 69.19~74.90 | 0.12~1.27 | 0.00 | 0.00 | 0.00 | 均值 | 0.00 | 0.00 | 28.77 | 70.65 | 0.58 | 0.00 | 0.00 | 0.00 | 海滩沙 (31) | 范围 | 0.00 | 0.29~10.81 | 35.99~61.65 | 30.97~61.17 | 0~1.81 | 0.00 | 0.00 | 0.00 | 均值 | 0.00 | 3.23 | 50.44 | 46.19 | 0.13 | 0.00 | 0.00 | 0.00 | 海南棋子湾 | 风沙 (9) | 范围 | 0.00 | 9.84~16.59 | 50.65~67.77 | 18.74~36.31 | 0~1.31 | 0~1.56 | 0~0.58 | 0~0.40 | 均值 | 0.00 | 13.81 | 59.24 | 25.38 | 0.47 | 0.55 | 0.33 | 0.21 | 海滩沙 (24) | 范围 | 0~1.25 | 5.48~14.32 | 58.21~62.54 | 22.04~26.99 | 0.06~1.27 | 2.10~4.81 | 0.76~1.51 | 0.37~0.78 | 均值 | 0.23 | 7.81 | 60.82 | 25.44 | 0.43 | 3.51 | 1.19 | 0.57 |
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