Table 6 Effects of the soil water and heat relationship models under different treatments during the melting period. “**” denotes passing of the P = 0.01 significance test, and “*” denotes passing of the P = 0.05 significance test.

From: Effects of soil water and heat relationship under various snow cover during freezing-thawing periods in Songnen Plain, China

Soil depth

Bare land

Natural snow

Compacted snow

Thick snow

R2

RE/%

NSE

R2

RE/%

NSE

R2

RE/%

NSE

R2

RE/%

NSE

20 cm

0.904*

1.27

0.859

0.851*

2.54

0.843

0.773*

3.67

0.769

0.674*

4.87

0.763

40 cm

0.924**

0.79

0.877

0.882*

2.13

0.869

0.811*

2.37

0.826

0.791*

2.19

0.807

60 cm

0.946**

0.49

0.893

0.907**

0.59

0.871

0.841*

1.19

0.841

0.824*

1.14

0.832

100 cm

0.676*

3.82

0.642

0.531*

7.83

0.686

0.421*

10.97

0.596

0.551

6.25

0.564

140 cm

0.514

9.27

0.459

0.479

10.76

0.571

0.317

8.64

0.421

0.403

9.79

0.467

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