Changes in Glaciers and Glacial Lakes and the Identification of Dangerous Glacial Lakes in the Pumqu River Basin, Xizang (Tibet)

Table 2

Summary of glacial lake inventories in the Pumqu river basin for the 1970s, 2001, and 2013 periods.

Subbasin	Number of glacial lakes			Areas of glacial lakes (km^2)			Increasing ratio of area (%)		Lake volume (10^6 m^3)
	1970s	2001	2013	1970s	2001	2013	1970s–2001	1970s–2013	1970s	2001	2013
5o193	62	61	72	9.15	9.65	10.13	5.41	10.73	200.54	221.15	215.54
5o194	16	15	15	7.08	7.94	7.47	12.09	5.42	313.99	357.05	333.37
5o196	37	36	55	9.35	9.91	10.71	6.00	14.53	285.63	306.68	313.07
5o197	25	24	36	6.63	7.46	11.39	12.46	71.84	171.75	205.86	333.04
5o198	59	60	76	9.40	12.15	13.05	29.22	38.82	218.37	315.44	334.40
Total	199	196	254	41.61	47.09	52.75	13.18	26.76	1190.28	1406.18	1529.42