A Dynamic Urban Lake Area Evolution Model Based on Multilevel Grid, Cellular Automata, and Multiagent System

Table 7

The statistics of GRE.

SN	GRE (based on CA layer)
	Mean	Variance	Optimum
A	0.830770	1.03794E − 05	0.818641
B	0.636786	2.51504E − 05	0.623489
C	0.584356	1.08307E − 05	0.57522
D	0.589527	3.44083E − 05	0.57453
E	0.455851	2.41454E − 05	0.443834
F	0.631433	2.89263E − 05	0.619088
G	0.431735	6.38359E − 05	0.411336
H	0.560628	1.09643E − 05	0.553631
I	0.482183	2.12147E − 05	0.47353
J	0.615415	2.18722E − 05	0.605141
K	0.403027	5.38433E − 05	0.38217
L	0.523602	2.17607E − 05	0.512491
M	0.40852	6.9555E − 05	0.388086
N	0.438803	2.25085E − 05	0.424297
O	0.409725	4.97009E − 05	0.39318
P	0.405606	4.13266E − 05	0.38758