外强迫因子对宁夏初霜冻日期的影响及其预测

黄莹, 杨建玲, 孙银川, 王璠, 王素艳, 王岱

Influence of external forcing factors on first frost date and its predition in Ningxia

HUANG Ying, YANG Jianling, SUN Yinchuan, WANG Fan, WANG Suyan, WANG Dai

图8 1981—2019年宁夏全区(a)、引黄灌区(b)、中部干旱带(c)及南部山区(d)初霜冻日期的拟合值、预测值及观测值

Fig.8 The fitted value, predicted value and observed value of first frost date in the whole area of Ningxia (a), irrigation region (b), middle arid region (c) and southern mountainous region (d) during 1981-2019