Table 1. Descriptions of the geographic features and characteristics of the 17 tree-ring chronologies across SETP.

Site ID	Longitude (°E)	Latitude (°N)	Altitude (m)	Reliable time span (SSS>085)	No cores	Mean sensitivity	Mean segment length
Abies forestii Rogers
ab01	100.08°	29.28°	4150	1825–2006	61	0.182	172.8
ab02	99.93°	29.15°	3530	1549–2006	56	0.321	282.9
ab03	99.93°	28.98°	3750	1697–2007	48	0.169	263.9
ab04	99.27°	27.37°	3050	1691–2007	27	0.216	308.2
ab05	99.80°	27.62°	3500	1593–2007	67	0.180	320.9
ab06	99.30°	27.33°	3040	1534–2007	41	0.244	366.1
ab07	99.30°	27.33°	3060	1791–2007	43	0.232	224.1
ab08	99.02°	28.04°	3200	1726–2005	19	0.242	273.4
Juniperus tibetica Kom
ju01	101.92°	31.78°	3500	1665–2007	40	0.344	209.1
ju02	99.75°	28.90°	3980	1649–2007	43	0.247	278.1
ju03	100.27°	30.23°	4050	1595–2007	44	0.205	331.8
ju04	99.03°	28.37°	4260	1715–2007	42	0.159	251.2
Tsuga dumosa Eichler
ts01	99.29°	27.59°	3150	1730–2005	49	0.249	222.1
ts02	98.98°	28.04°	3100	1707–2005	30	0.251	296.9
ts03	98.40°	27.88°	3150	1687–2005	35	0.226	286.6
Picea likiangensis (Franchet) Pritzel
pi01	99.35°	27.58°	3240	1568–2005	36	0.249	285.2
pi02	100.28°	30.87°	3300	1750–2007	41	0.248	201.3