Variation of 0 ℃ Isotherm Height and Ground Temperature in Summer in Northwest China during the Past 50 Years
HUANG Xiaoyan, ZHANG Mingjun, WANG Shengjie, LI Yaju, PAN Shukun
Acta Geographica Sinica . 2011, (9): 1191 -1199 .  DOI: 10.11821/xb201109004