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

Table 3

development stage division of enclosed karst depression according to DCK.

Stage	DCK	Number of depressions	Proportion (%)	Suitable for reservoir or not
Juvenile stage	<0.15	4483	61.73	No
Youth stage	0.15~0.36	2477	34.11	No
Middle stage	0.36~0.68	196	2.70	Yes
Old stage	>0.68	106	1.46	No