Table 9 Results from the inclusion of stand variables for SM1 NP

2

\(a=a0\)

\(b=b0\)

2.702

3.391

0.666

3.406

3

\(a=a0+a1\times DB{H}_{max}\)

\(b=b0\)

2.682

3.376

0.668

3.397

4

\(a=a0+a1\times Dq+a2\times VardNP\)

\(b=b0\)

2.639

3.357

0.672

3.406

3.511

5

\(a=a0+a1\times DB{H}_{max}\)

\(b=b0+b1\times Dq+b2\times NlogNP\)

2.627

3.333

0.677

3.373

6.841

6

\(a=a0+a1\times Range{H}_{D}NP\)

\(b=b0+b1\times Dq+b2\times RangeDBHNP+b3\times NlogNP\)

2.604

3.327

0.678

3.377

8.135