Terrain Segmentation of Greece Using the Spatial and Seasonal Variation of Reference Crop Evapotranspiration

Table 2

Eigenvalues and eigenvectors for the PCs of the mean monthly .

	Principal components (PCs)
Eigenvectors	1	2	3	4	5	6	7	8	9	10	11	12
Jan	0.28	−0.41	0.33	−0.19	−0.40	−0.03	0.00	0.04	−0.44	0.33	−0.34	−0.17
Feb	0.29	−0.32	−0.16	−0.36	0.06	0.06	0.16	−0.52	0.10	0.21	0.50	0.20
Mar	0.29	−0.20	−0.49	−0.19	0.11	0.61	−0.02	0.22	0.03	−0.28	−0.28	−0.14
Apr	0.29	0.05	−0.46	0.39	−0.14	−0.39	0.09	−0.43	−0.09	−0.12	−0.39	0.11
May	0.29	0.25	−0.25	0.19	−0.58	0.04	−0.26	0.26	−0.06	0.06	0.51	−0.16
Jun	0.29	0.31	−0.08	−0.30	0.07	−0.31	0.66	0.39	0.11	0.13	−0.03	−0.09
Jul	0.28	0.44	0.11	−0.46	0.00	−0.05	−0.47	−0.02	0.01	−0.04	−0.21	0.48
Aug	0.28	0.35	0.34	−0.04	0.11	0.12	−0.01	−0.44	0.02	−0.25	0.01	−0.63
Sep	0.29	0.17	0.34	0.46	0.02	0.49	0.33	−0.01	−0.06	0.10	0.00	0.44
Oct	0.30	−0.04	−0.08	0.21	0.67	−0.16	−0.28	0.18	−0.39	0.28	0.16	−0.10
Nov	0.29	−0.24	0.15	0.20	0.02	−0.10	−0.23	0.11	0.78	0.27	−0.16	−0.10
Dec	0.28	−0.36	0.28	0.04	0.01	−0.29	0.01	0.21	−0.03	−0.71	0.21	0.16
Eigenvalue	11.13	0.62	0.15	0.04	0.02	0.01	0.01	0.01	0.01	0.00	0.00	0.00
Variance %	92.71	5.17	1.25	0.32	0.18	0.12	0.08	0.06	0.04	0.04	0.02	0.02