基于土壤理化性质估计土壤水分特征曲线Van Genuchten模型参数
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李爽, 赵相杰, 谢云, 翟俊瑞, 刘刚, 高晓飞, 李晶, 高燕
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Parameter Estimation of Soil Water Retention Curve Based on Soil Physical and Chemical Properties of Van Genuchten Model
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Shuang Li, Xiangjie Zhao, Yun Xie, Junrui Zhai, Gang Liu, Xiaofei Gao, Jing Li, Yan Gao
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表1 不同侵蚀强度黑土样地及土壤性质 |
Table 1 The sampling point of different eroded black soils and soil property |
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侵蚀强度 | 模型处理 | 样点编号 | 黑土层(cm) | 砂粒(%) | 粉粒(%) | 粘粒(%) | 轻度 | 拟合 | L-1 | 30 | 31.93 | 34.06 | 34.01 | | 拟合 | L-2 | 40 | 31.74 | 39.50 | 28.76 | | 拟合 | L-3 | 40 | 43.47 | 24.97 | 31.56 | | 验证 | L-4 | 70 | 32.95 | 34.60 | 32.45 | | 验证 | L-5 | 30 | 35.27 | 37.01 | 27.72 | | 验证 | L-6 | 55 | 30.61 | 36.59 | 32.80 | | 验证 | L-7 | 70 | 26.86 | 39.22 | 33.91 | 中度 | 拟合 | M-1 | 30 | 31.30 | 35.56 | 33.14 | | 拟合 | M-2 | 25 | 32.43 | 33.48 | 34.08 | | 拟合 | M-3 | 20 | 40.89 | 25.12 | 33.99 | | 验证 | M-4 | 25 | 33.89 | 36.72 | 29.39 | | 验证 | M-5 | 30 | 55.81 | 22.02 | 22.16 | 重度 | 拟合 | S-1 | 0 | 68.28 | 13.88 | 17.84 | 拟合 | S-2 | 0 | 75.31 | 12.32 | 12.37 | 拟合 | S-3 | 28 | 53.33 | 25.50 | 21.17 |
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