THE 1920S DROUGHT RECORDED BY TREE RINGS AND ...

410 ERYUAN LIANG ET AL.TABLE IIIThe meteorological stations closed to the tree-ring sampling sites and their total annual precipitation (TNP) and mean annualtemperature (MAT)Tree ring I.D. Meteorological stations Latitude N Longitude E Elevation m asl Years TNP mm MAT ◦ CXWT Yuxian 39 ◦ 50 ′ 114 ◦ 34 ′ 910 1954–2002 411 6.8HHT Hohot 40 ◦ 49 ′ 111 ◦ 41 ′ 1063 1951–2002 408 6.3HS Huashan 34 ◦ 29 ′ 110 ◦ 05 ′ 2100 1953–2002 702 6.1JGB Dongsheng 39 ◦ 50 ′ 109 ◦ 59 ′ 1460 1957–2002 386 5.9BT Baotou 40 ◦ 40 ′ 109 ◦ 51 ′ , 1067 1951–2002 299 6.9HX1 Tianzhu 37 ◦ 12 ′ 102 ◦ 53 ′ 3045 1951–2002 408 −0.9CLS2 Wuwei 37 ◦ 55 ′ 102 ◦ 40 ′ 1531 1952–2002 164 7.8QYG Qilian 38 ◦ 11 ′ 100 ◦ 15 ′ 2787 1957–2002 401 0.9DDS Zhangye 38 ◦ 56 ′ 100 ◦ 26 ′ 1483 1951–2002 128 7.1QF1, 2 Jiuquan 39 ◦ 46 ′ 98 ◦ 29 ′ 1477 1951–2002 85 7.4HT1 WL3-4 Wulan 36 ◦ 55 ′ 98 ◦ 29 ′ 2950 1981–2002 178 5.6DLH1-5 Delingha 37 ◦ 22 ′ 97 ◦ 22 ′ 2982 1956–2002 161 3.6ZHD Zhiduo 33 ◦ 51 ′ 95 ◦ 36 ′ 4179 1968–1990 404 −1.6QML Qumalai 34 ◦ 33 ′ 95 ◦ 29 ′ 4232 1957–2002 398 −2.3YW1 Yiwu 43 ◦ 16 ′ 94 ◦ 42 ′ 1729 1959–2002 97 3.8HM1 Hami 42 ◦ 49 ′ 93 ◦ 31 ′ 738 1951–2002 38 15.1JMS Jimusare 44 ◦ 01 ′ 89 ◦ 10 ′ 735 1961–1989 171 6.6FKA Urumqi 43 ◦ 47 ′ 87 ◦ 37 ′ 918 1951–2002 262 6.7BEQ, XBY XGS Daxigou 43 ◦ 06 ′ 86 ◦ 50 ′ 3544 1959–1998 543 2.2ZL TU TL Zhaosu 43 ◦ 09 ′ 81 ◦ 08 ′ 1849 1956–2002 505 3.2