黑河源区主要下垫面土壤粒径分形特征及其影响因素
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刁二龙, 曹广超, 刘英, 赵美亮
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Soil's fractal characteristics and influencing factors of main underlying surface in the source area of Heihe River
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Erlong Diao, Guangchao Cao, Ying Liu, Meiliang Zhao
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表1 土壤粒径及基本理化性质
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Table 1 Soil particle size and other basic physicochemical properties
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| 土层深度/cm | 土壤粒径/% | | 理化性质 |
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| 黏粒 | 粉粒 | 砂粒 | 容重/(g·cm-3) | 土壤含水量/% | 全氮/(g·kg-1) | 有机质/(g·kg-1) |
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| 0~10 | 5.67±0.34a | 51.96±2.32a | 42.36±2.60a | | 0.91±0.02c | 33.03±2.40a | 5.11±0.32a | 89.36±6.16a | | 10~20 | 5.48±0.31a | 50.74±2.42a | 43.78±2.70a | | 1.05±0.04b | 25.73±1.84b | 4.19±0.31b | 64.91±5.55b | | 20~30 | 5.16±0.31a | 49.57±2.55a | 45.27±2.82a | | 1.20±0.03a | 24.23±1.83b | 3.49±0.23bc | 56.66±5.43bc | | 30~40 | 5.25±0.29a | 49.13±2.44a | 45.62±2.67a | | 1.25±0.04a | 22.03±1.75b | 3.01±0.19c | 43.22±3.94c | | 平均值 | 5.39±0.16 | 50.35±1.21 | 44.26±1.34 | | 1.10±0.02 | 25.92±1.05 | 3.95±0.14 | 63.27±3.06 |
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