Research Article

A Comparison of Thermal Growing Season Indices for the Northern China during 1961–2015

Figure 6

Correlation coefficients for combinations of indices of growing season length in northern China.
(a) LI 1 versus LI 2
(b) LI 1 versus LI 3
(c) LI 1 versus LI 4
(d) LI 1 versus LI 5
(e) LI 3 versus LI 4
(f) LI 3 versus LI 5
(g) LI 4 versus LI 5
(h) LI 5 versus LI 6