Table 4.
Collinearity among the monthly values of the leaf area index
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb |
3.21 |
|
|
|
|
|
|
|
|
|
|
| Mar |
2.14 |
7.88 |
|
|
|
|
|
|
|
|
|
| Apr |
2.23 |
5.26 |
9.48 |
|
|
|
|
|
|
|
|
| May |
1.89 |
3.23 |
4.38 |
6.35 |
|
|
|
|
|
|
|
| Jun |
1.50 |
2.86 |
3.68 |
4.91 |
18.29 |
|
|
|
|
|
|
| Jul |
1.21 |
2.84 |
3.64 |
4.82 |
16.73 |
54.59 |
|
|
|
|
|
| Aug |
1.56 |
2.89 |
3.72 |
4.94 |
17.06 |
43.16 |
62.82 |
|
|
|
|
| Sep |
1.98 |
3.00 |
3.91 |
5.29 |
21.09 |
37.14 |
38.85 |
50.07 |
|
|
|
| Oct |
2.01 |
5.54 |
7.93 |
9.71 |
6.13 |
4.85 |
4.77 |
4.91 |
5.27 |
|
|
| Nov |
2.92 |
6.72 |
6.36 |
4.78 |
3.08 |
2.75 |
2.73 |
2.78 |
2.88 |
5.08 |
|
| Dec | 3.05 | 4.17 | 3.21 | 2.71 | 2.14 | 2.00 | 1.99 | 2.01 | 2.06 | 2.74 | 4.76 |
Eight-day-interval MODIS-derived series of values were converted to monthly composites and collinearity calculated as the variance inflation factor. Values higher than 10 are indicative of high collinearity.