Table 4b. Parameters of the Linear Regression performed on the monthly soil temperature data and the elevation at which the station was located.
Notes: 2=includes SF and SA; 3=includes SA, excludes SF; 4=excludes SA and SF

(Parameters as defined by SigmaStat V.1.0 for Windows: R, Rsqr, PRESS, power, Std. Error of Estimate, Std Error of Constant, and Std. Error of Coefficient.)

(Visit air temperature regressions -Table 4a-)

annual, Feb 1997, Mar 1997, April 1997, May 1997, Jun 1997

Power Std. Err Std. Err Std. Err
SOIL annual Curve R Rsqr PRESS alpha= 0.05 of estimate Intercept Coefficient
averages (a)2 T= 25.6-( 0.00543*elevation) 0.98 0.96 1.73 1 0.3926 0.257085 0.000390
(9)3 T= 25.6-( 0.00545*elevation) 0.975 0.952 1.87 0.9997 0.4192 0.322148 0.000465
(8)4 T= 25.5-( 0.00528*elevation) 0.965 0.93 2.02 0.9943 0.4431 0.432821 0.000590

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Power Std. Err Std. Err Std. Err
SOIL Curve R Rsqr PRESS alpha= 0.05 of estimate Intercept Coefficient
Feb 1997 (a)2 T= 23.7-( 0.00587*elevation) 0.988 0.976 1.15 1 0.3249 0.212752 0.000323
(9)3 T= 23.7-( 0.00587*elevation) 0.985 0.971 1.19 1 0.3473 0.266871 0.000385
(8)4 T= 23.8-( 0.00590*elevation) 0.979 0.959 1.34 0.9991 0.3746 0.365865 0.000499

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Power Std. Err Std. Err Std. Err
SOIL Curve R Rsqr PRESS alpha= 0.05 of estimate Intercept Coefficient
Mar 1997 (a)2 T= 23.9-( 0.00590*elevation) 0.983 0.966 1.71 1 0.3928 0.257248 0.000390
(9)3 T= 24.0-( 0.00597*elevation) 0.980 0.96 1.74 0.9999 0.4163 0.319863 0.000461
(8)4 T= 24.1-( 0.00614*elevation) 0.974 0.948 1.81 0.9979 0.4405 0.430243 0.000587

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Power Std. Err Std. Err Std. Err
SOIL Curve R Rsqr PRESS alpha= 0.05 of estimate Intercept Coefficient
Apr 1997 (a)2 T= 24.5-( 0.00612*elevation) 0.960 0.922 4.38 0.9993 0.6338 0.415040 0.000629
(9)3 T= 24.6-( 0.00628*elevation) 0.955 0.912 4.46 0.9960 0.6669 0.512453 0.000739
(8)4 T= 24.9-( 0.00663*elevation) 0.946 0.896 4.37 0.9801 0.6937 0.677576 0.000924

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Power Std. Err Std. Err Std. Err
SOIL Curve R Rsqr PRESS alpha= 0.05 of estimate Intercept Coefficient
May 1997 (a)2 T= 25.7-( 0.00571*elevation) 0.968 0.938 3.00 0.9998 0.5230 0.342500 0.000519
(9)3 T= 26.0-( 0.00598*elevation) 0.969 0.939 2.63 0.9991 0.5198 0.399409 0.000576
(8)4 T= 26.1-( 0.00611*elevation) 0.959 0.919 2.97 0.9906 0.5566 0.543618 0.000741

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Power Std. Err Std. Err Std. Err
SOIL Curve R Rsqr PRESS alpha= 0.05 of estimate Intercept Coefficient
Jun 1997 (a)2 T= 26.9-( 0.00577*elevation) 0.966 0.933 3.30 0.9997 0.5484 0.359156 0.000545
(9)3 T= 27.1-( 0.00604*elevation) 0.966 0.934 2.95 0.9987 0.5481 0.421212 0.000608
(8)4 T= 27.1-( 0.00608*elevation) 0.953 0.909 3.48 0.9865 0.5915 0.577773 0.000788

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