Impacts of Land Cover Change on the Near-Surface Temperature in the North China Plain

Table 4

Comparison table of area percentage (%) of each land-cover and land-use types among various kinds of classification systems.

	1992			2005
	IGBP^a	USGS^b	USGS^c	IGBP^a	USGS^b	USGS^c
Irrigated cropland and pasture	4.09	4.09	3.98	3.87	3.87	3.62
Dryland cropland and pasture	66.11	66.11	66.52	64.52	64.52	65.43
Deciduous broadleaf forest	6.48	6.48	6.51	6.55	6.55	6.06
Grassland	7.07	7.37	6.52	6.79	6.78	7.96
Water bodies	3.09	2.00	1.81	3.27	2.43	2.08
Urban and built-up land	12.34	12.34	12.57	14.46	14.46	13.76
Unused land	0.82	1.61	2.08	0.54	1.39	1.09
Total	100	100	100	100	100	100

Note: ^arepresents the 1 km resolution data of IGBP classification, ^brepresents the 1 km resolution data of USGS classification, and ^crepresents the 20 km resolution data of USGS classification.