Enclosed Karst Depression Identification and Analysis for the Pumped Storage Power Station Reservoir Construction Using DEM

Table 2

Statistical parameters of enclosed karst depressions in the study area.

Index	Area (m^2)	Perimeter (m)	Depth (m)	Slope (°)	Altitude (m)	Volume (m^3)	DCK
Minimum	1538.63	63.33	1.00	1.15	378.00	39.01	0.02
Maximum	9 320 584.21	87825.19	328.00	77.17	1684.00	3 122 060 632	0.98
Mean	64633.55	733.25	15.79	17.54	1239.93	5633973.59	0.15
	4796.51	179.94	4.00	6.51	1182.00	1092.32	0.06
	9579.46	300.33	7.00	11.98	1260.00	7158.59	0.12
	28756.60	633.56	17.00	23.79	1343.00	82522.07	0.19

Note: is the first quartile and is equal to 25% of all values in the sample in ascending order. is the second quartile and is equal to 50% of all values in the sample in ascending order. is the third quartile and is equal to 75% of all values in the sample in ascending order.