和田河下游灌丛沙堆表层沉积物粒度和分形特征
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肖佳奇, 武胜利, 陈鹏鹏
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Grain size and fractal characteristics of surface sediments of nebkhas in the lower reaches of Hetian River, Xinjiang, China
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Jiaqi Xiao, Shengli Wu, Pengpeng Chen
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表2 沉积环境判别公式及判定标准
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Table 2 Sedimentary environment identification formula and criteria
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环境鉴别 | 判别公式 | 判定标准 |
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风成与海滩 | Y1=-3.568 Mz+3.7016σ2-2.0766 SK+3.1135 Kg | Y<-2.7411,为风成沉积环境 | Y>-2.7411,为海滩沉积环境 | 海滩与浅海 | Y2=15.6534 Mz+65.7091σ2+18.1071 SK+18.5043 Kg | Y<65.3650,为海滩沉积环境 | Y>65.3650,为浅海沉积环境 | 浅海与河流 | Y3=0.2825 Mz-8.7604σ2+4.8932 SK-0.0482 Kg | Y<-7.4190,为河流沉积环境 | Y>-7.4190,为浅海沉积环境 | 河流与浊流 | Y4=0.7215 Mz-0.40304σ2+6.7322 SK+5.2927 Kg | Y<9.8433,为浊流沉积环境 | Y>9.8433,为河流沉积环境 |
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