Research Article
Terrain Segmentation of Greece Using the Spatial and Seasonal Variation of Reference Crop Evapotranspiration
Table 5
Regression coefficients and statistical tests of the general linear model described by (
2) for each month.
| Month | Jan | Feb | Mar | Apr | May | Jun | Regression coefficient | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. |
| (intercept) | 185.01 ± 2.24 | 193.20 ± 2.10 | 256.76 ± 2.37 | 238.60 ± 2.25 | 248.98 ± 2.32 | 315.45 ± 2.80 | () | −7.82 ± 0.07 | −7.34 ± 0.07 | −7.24 ± 0.08 | −7.02 ± 0.07 | −6.87 ± 0.07 | −9.63 ± 0.09 | () | −11.67 ± 0.11 | −12.27 ± 0.10 | −13.52 ± 0.11 | −15.10 ± 0.11 | −16.37 ± 0.11 | −20.87 ± 0.13 | () | −13.85 ± 0.16 | −16.10 ± 0.15 | −19.25 ± 0.17 | −23.78 ± 0.16 | −27.12 ± 0.17 | −32.94 ± 0.20 | () | −14.18 ± 0.27 | −16.68 ± 0.25 | −20.39 ± 0.28 | −27.84 ± 0.27 | −35.58 ± 0.28 | −43.84 ± 0.34 | () | −2.80 ± 0.07 | −1.99 ± 0.07 | −1.78 ± 0.07 | 0.93 ± 0.07 | 1.41 ± 0.07 | 1.43 ± 0.09 | () | 4.82 ± 0.08 | 5.02 ± 0.08 | 5.74 ± 0.09 | 9.02 ± 0.08 | 10.44 ± 0.09 | 9.99 ± 0.11 | () | 7.29 ± 0.11 | 7.43 ± 0.11 | 8.61 ± 0.12 | 13.04 ± 0.11 | 17.48 ± 0.12 | 19.03 ± 0.14 | () | −3.48 ± 0.14 | −4.47 ± 0.13 | −4.84 ± 0.14 | 0.50 ± 0.14 | 8.35 ± 0.14 | 12.49 ± 0.17 | () | 9.12 ± 0.16 | 9.37 ± 0.15 | 11.41 ± 0.17 | 11.72 ± 0.16 | 21.73 ± 0.17 | 31.74 ± 0.20 | () | 14.24 ± 0.15 | 15.75 ± 0.14 | 17.56 ± 0.16 | 16.60 ± 0.15 | 12.40 ± 0.16 | 13.85 ± 0.19 | sqrt(Lon) | 0.87 ± 0.17 | −6.90 ± 0.16 | −13.08 ± 0.18 | −6.29 ± 0.17 | −5.49 ± 0.18 | −9.14 ± 0.21 | sqrt(Lat) | −23.14 ± 0.32 | −17.79 ± 0.30 | −21.13 ± 0.34 | −20.94 ± 0.32 | −18.99 ± 0.33 | −24.79 ± 0.40 | sqrt() | −0.24 ± 0.00 | −0.28 ± 0.00 | −0.43 ± 0.00 | −0.51 ± 0.00 | −0.47 ± 0.00 | −0.42 ± 0.01 |
| | 0.525 | 0.785 | 1.156 | 1.375 | 1.365 | 1.555 | | 8.278 | 2.671 | 0.463 | 0.137 | 0.127 | 0.039 | (ANOVA ) | 0.88 () | 0.89 () | 0.90 () | 0.93 () | 0.94 () | 0.93 () | Durbin-Watson () | 1.99 () | 2.00 () | 2.00 () | 2.00 () | 1.99 () | 2.00 () |
|
Month | Jul | Aug | Sep | Oct | Nov | Dec | Regression coefficient | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. | Mean ± S.E. |
| (intercept) | 431.49 ± 3.74 | 381.54 ± 3.25 | 258.85 ± 2.06 | 210.73 ± 2.29 | 192.59 ± 2.08 | 163.20 ± 2.31 | () | −9.68 ± 0.12 | −9.61 ± 0.10 | −7.70 ± 0.07 | −9.92 ± 0.07 | −7.88 ± 0.07 | −8.42 ± 0.07 | () | −24.04 ± 0.18 | −22.25 ± 0.15 | −16.37 ± 0.10 | −16.90 ± 0.11 | −13.49 ± 0.10 | −13.02 ± 0.11 | () | −40.47 ± 0.27 | −36.64 ± 0.23 | −26.21 ± 0.15 | −24.19 ± 0.16 | −18.10 ± 0.15 | −16.08 ± 0.17 | () | −58.04 ± 0.45 | −52.24 ± 0.39 | −35.99 ± 0.25 | −29.00 ± 0.27 | −19.62 ± 0.25 | −17.01 ± 0.28 | () | 3.35 ± 0.12 | 1.79 ± 0.10 | 0.03 ± 0.06 | −1.65 ± 0.07 | −1.59 ± 0.06 | −2.23 ± 0.07 | () | 13.52 ± 0.14 | 11.33 ± 0.12 | 8.33 ± 0.08 | 6.64 ± 0.09 | 5.79 ± 0.08 | 5.03 ± 0.09 | () | 25.19 ± 0.19 | 22.14 ± 0.16 | 15.58 ± 0.10 | 12.26 ± 0.11 | 9.10 ± 0.10 | 7.56 ± 0.12 | () | 20.64 ± 0.23 | 17.23 ± 0.20 | 7.98 ± 0.13 | −1.21 ± 0.14 | −3.54 ± 0.13 | −4.17 ± 0.14 | () | 42.02 ± 0.27 | 37.20 ± 0.23 | 25.93 ± 0.15 | 18.76 ± 0.17 | 11.75 ± 0.15 | 9.71 ± 0.17 | () | 12.08 ± 0.26 | 13.06 ± 0.22 | 12.23 ± 0.14 | 18.90 ± 0.16 | 16.19 ± 0.14 | 16.63 ± 0.16 | sqrt(Lon) | −8.93 ± 0.28 | 5.37 ± 0.25 | 12.92 ± 0.16 | −2.16 ± 0.17 | 3.21 ± 0.16 | 3.45 ± 0.17 | sqrt(Lat) | −18.17 ± 0.53 | −22.56 ± 0.46 | −29.67 ± 0.29 | −20.50 ± 0.33 | −24.50 ± 0.30 | −21.50 ± 0.33 | sqrt() | −0.41 ± 0.01 | −0.45 ± 0.01 | −0.44 ± 0.00 | −0.41 ± 0.00 | −0.32 ± 0.00 | −0.29 ± 0.00 |
| | 0.663 | 0.620 | 0.895 | 1.211 | 0.783 | 0.656 | | 8.675 | 11.186 | 1.828 | 0.337 | 2.767 | 4.578 | (ANOVA ) | 0.91 () | 0.93 () | 0.96 () | 0.93 () | 0.92 () | 0.89 () | Durbin-Watson () | 2.00 () | 2.00 () | 2.00 () | 2.01 () | 1.99 () | 1.99 () |
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