Two Sets of Simple Formulae to Estimating Fractal Dimension of Irregular Boundaries

Table 3

The measures of area and perimeter of major cities in Beijing-Tianjin-Hebei region in 2000, 2005, and 2010.

City	2000		2005		2010
	Perimeter	Area	Perimeter	Area	Perimeter	Area
Baoding	648.9145	165.6927	614.5161	177.6204	618.4115	181.7597
Beijing	1851.1617	1633.7361	2638.7369	2372.6209	3256.7105	2890.8456
Cangzhou	359.7652	96.5368	411.0804	111.0267	387.1366	107.9078
Chengde	383.2282	83.3696	386.8770	82.2602	385.7290	85.9915
Handan	497.2757	165.9174	587.4799	176.9860	587.4799	176.9860
Hengshui	286.5358	86.7690	217.3211	81.6262	275.6421	109.7244
Langfang	288.8174	96.1140	292.5072	99.8148	285.4678	101.9814
Qinhuangdao	429.0707	121.1679	451.5457	159.4474	403.8776	173.9307
Shijiazhuang	671.2512	329.6986	796.1045	389.8407	852.5650	446.2061
Tangshan	720.8655	214.2018	744.8371	226.1832	771.5667	264.4586
Tianjin	1867.5855	850.6298	2428.3672	1595.2827	2480.1692	2029.3596
Xingtai	402.1714	125.8745	391.3236	128.2210	386.5214	132.7910
Zhangjiakou	181.2180	53.7583	186.2037	55.4021	249.4361	90.7300
Average	660.6047	309.4974	780.5308	435.1025	841.5933	522.5133

Note. The results based on the data in 2000, 2005, and 2010 are partially shown below. All the results can be found in the supplementary files.