河南省设施农业冬季低温灾害风险评估
乐章燕, 石茗化, 李德, 霍治国, 杜子旋, 檀艳静

Risk assessment of low temperature disaster in winter for facility agriculture in Henan Province
LE Zhangyan, SHI Minghua, LI De, HUO Zhiguo, DU Zixuan, TAN Yanjing
图2 1981—2018年河南省冬季低温灾害指标小于等于-3.0 ℃(a、b、c、d)、-5.0 ℃(e、f、g、h)的气候概率(a、e)、发生频率(b、f)、发生强度(c、g)及出现日数气候趋势(d、h)的时空分布
Fig.2 Temporal and spatial distribution of climate probability (a, e), occurrence frequency (b, f), occurrence intensity (c, g) and climate trends of occurrence days (d, h) of low temperature disaster index less than or equal to -3.0 ℃ (a, b, c, d) and -5.0 ℃ (e, f, g, h) in Henan Province in winter during 1981-2018