前处理过程对汉江上游谷地“古土壤”粒度测试结果的影响研究
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庞奖励, 乔晶, 黄春长, 查小春, 周亚利
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Pretreatment Methods and Their Influences on Grain-size Measurement of Palaeosol in the Upper Reaches of the Hanjiang River Valley, China
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Jiang-li PANG, Jing QIAO, Chun-chang HUANG, Xiao-chun ZHA, Ya-li ZHOU
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| 表1 汉江上游谷地前坊村剖面中古土壤经不同方法后粒度测试结果 （μm） |
| Table 1 Particle parameters of paleosol pre-treated by different methods from Qianfangchun profile at the Hanjiang river valley, China |
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| < 2 | 2~16 | 16~63 | 63~125 | 125~250 | > 250 | 中值粒径 | 众值粒径 | 平均粒径 | 标准偏差 | 偏度 | 峰态 | | 样品1：典型古土壤 | | | | | | | | | A | 6.90 | 36.76 | 35.62 | 15.39 | 5.28 | 0.05 | 22.4 | 11.8 | 37.0 | 1.97 | 0.12 | 0.98 | | B | 10.19 | 41.59 | 35.81 | 9.79 | 2.62 | 0.00 | 16.2 | 15.7 | 25.6 | 2.00 | 0.13 | 1.09 | | C | 14.96 | 52.06 | 29.56 | 3.31 | 0.11 | 0.00 | 9.7 | 25.0 | 14.1 | 1.84 | 0.15 | 0.98 | | D | 16.99 | 54.89 | 26.14 | 1.80 | 0.18 | 0.00 | 8.4 | 8.9 | 12.2 | 1.82 | 0.15 | 0.98 | | E | 21.32 | 56.31 | 21.21 | 1.15 | 0.00 | 0.00 | 6.2 | 5.6 | 10.2 | 1.85 | 0.06 | 0.96 | | F | 18.55 | 60.30 | 20.08 | 1.08 | 0.00 | 0.00 | 6.6 | 6.8 | 10.2 | 1.78 | 0.07 | 1.06 | | 样品2：典型古土壤 | | | | | | | | A | 6.88 | 27.18 | 35.85 | 20.08 | 9.87 | 0.14 | 34.4 | 83.9 | 49.6 | 2.09 | 0.28 | 0.93 | | B | 12.32 | 50.20 | 32.15 | 3.75 | 1.58 | 0.00 | 11.6 | 22.7 | 16.1 | 1.84 | 0.14 | 1.06 | | C | 16.03 | 54.41 | 26.11 | 3.25 | 0.21 | 0.00 | 8.9 | 9.8 | 13.0 | 1.85 | 0.14 | 1.01 | | D | 18.28 | 58.00 | 20.61 | 3.00 | 0.11 | 0.00 | 6.9 | 6.8 | 11.1 | 1.85 | 0.04 | 1.04 | | E | 22.82 | 51.93 | 22.76 | 2.18 | 0.31 | 0.00 | 6.5 | 5.6 | 11.1 | 1.97 | 0.07 | 0.91 | | F | 18.18 | 59.21 | 20.42 | 2.10 | 0.09 | 0.00 | 6.7 | 6.8 | 10.7 | 1.81 | 0.04 | 1.05 | | 样品3：典型古土壤 | | | | | | | | | A | 6.15 | 30.15 | 43.14 | 16.07 | 4.41 | 0.09 | 28.8 | 57.8 | 38.2 | 1.85 | 0.25 | 1.01 | | B | 11.81 | 49.93 | 32.06 | 3.99 | 2.21 | 0.00 | 12.0 | 22.7 | 16.5 | 1.86 | 0.13 | 1.10 | | C | 16.36 | 55.13 | 22.92 | 4.85 | 0.73 | 0.00 | 8.2 | 7.4 | 13.3 | 1.96 | 0.03 | 1.08 | | D | 14.78 | 52.66 | 25.81 | 5.14 | 1.61 | 0.00 | 9.4 | 8.9 | 15.0 | 1.98 | 0.05 | 1.07 | | E | 20.16 | 50.58 | 24.45 | 4.26 | 0.55 | 0.00 | 7.4 | 5.1 | 12.9 | 2.02 | 0.03 | 0.94 | | F | 17.76 | 55.16 | 22.51 | 3.61 | 0.96 | 0.00 | 7.5 | 6.8 | 12.5 | 1.95 | 0.02 | 1.04 | | 样品4：典型古土壤 | | | | | | | | A | 6.07 | 31.20 | 34.30 | 16.71 | 8.80 | 2.93 | 30.7 | 68.6 | 49.2 | 2.08 | 0.16 | 0.97 | | B | 11.21 | 48.25 | 31.71 | 5.41 | 3.41 | 0.00 | 12.6 | 11.8 | 21.1 | 1.96 | 0.08 | 1.12 | | C | 12.20 | 45.87 | 30.86 | 6.23 | 4.68 | 0.17 | 13.0 | 13.0 | 19.1 | 2.09 | 0.07 | 1.10 | | D | 15.46 | 50.88 | 25.48 | 6.13 | 2.05 | 0.00 | 9.5 | 8.9 | 15.9 | 2.06 | 0.03 | 1.07 | | E | 17.21 | 51.13 | 24.92 | 5.54 | 1.21 | 0.00 | 8.5 | 6.8 | 14.6 | 2.06 | 0.01 | 1.02 | | F | 17.02 | 51.81 | 23.39 | 5.00 | 2.77 | 0.00 | 8.1 | 6.2 | 15.0 | 2.10 | -0.04 | 1.05 |
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