Research Article

Performance Evaluation of Four-Parameter Models of the Soil-Water Characteristic Curve

Figure 2

Observed and fitted soil-water characteristic curves (SWCCs) for sand ((a) and (b)), loamy sand ((c) and (d)), sandy loam ((e) and (f)), silt loam ((g) and (h)), silt ((i) and (j)), loam ((k) and (l)), sandy clay loam ((m) and (n)), silty clay loam ((o) and (p)), clay loam ((q) and (r)), sandy clay ((s) and (t)), silty clay ((u) and (v)), and clay ((w) and (x)). Numbers 1 and 2 represent soil samples 1 and 2, respectively, for each soil type.
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(a) Sand 1
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(b) Sand 2
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(c) Loamy sand 1
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(d) Loamy sand 2
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(e) Sandy loam 1
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(f) Sandy loam 2
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(g) Silty loam 1
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(h) Silty loam 2
569851.fig.002i
(i) Silt 1
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(j) Silt 2
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(k) Loam 1
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(l) Loam 2
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(m) Sandy clay loam 1
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(n) Sandy clay loam 2
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(o) Silty clay loam 1
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(p) Silty clay loam 2
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(q) Clay loam 1
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(r) Clay loam 2
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(s) Sandy clay 1
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(t) Sandy clay 2
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(u) Silty clay 1
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(v) Silty clay 2
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(w) Clay 1
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(x) Clay 2