Spatial and temporal changes of the abnormal first and last frosts and their influencing factors in Huaihe River Basin from 1960 to 2015
MA Shang-qian, ZHANG Bo, YANG Wen-yi, YANG Mei, WEI Kun, LI Shuai, HE Hang, HOU Qi, WEI Huai-dong
JOURNAL OF NATURAL RESOURCES . 2019, (2): 359 -373 .  DOI: 10.31497/zrzyxb.20190212