Quantitative Morphology of Polder Landscape Based on SOM Identification Model: Case Study of Typical Polders in the South of Yangtze River

Table 4

Total variance explained.

Initial eigenvalues				Extraction sums of squared loading			Rotation sums of squared loading
Component	Total	% of variance	Accumulative %	Total	% of variance	Accumulative %	Total	% of variance	Accumulative %
1	2.520	50.397	50.397	2.520	50.397	50.397	2.385	47.706	47.706
2	1.520	30.396	80.792	1.520	30.396	80.792	1.654	33.086	80.792
3	.525	10.504	91.296
4	.247	4.949	96.245
5	.188	3.755	100.000