基于SPEI的近百年天津地区气象干旱时空演变特征

王敏, 尹义星, 陈晓旸, 郭阳, 徐梅, 罗传军

Changing characteristics of meteorological drought in Tianjin for almost one century based on standardized precipitation evapotranspiration index

WANG Min, YIN Yixing, CHEN Xiaoyang, GUO Yang, XU Mei, LUO Chuanjun

图5 春季(a)、夏季(b)、秋季(c)和冬季(d)天津地区SPEI[单位:10-1 (10 a)-1]、CRU-T [单位:℃·(10 a)-1]和GPCC-P[单位:mm·(10 a)-1]的气候倾向率空间分布[柱状向上(向下)代表气候倾向率为正(负), 6个柱状图依次代表6个时期,红色圆点代表通过MMK趋势显著性检验]

Fig.5 The spatial distribution of climate tendency rate of SPEI [Unit: 10-1 (10 a)-1], CRU-T [Unit: ℃·(10 a)-1] and GPCC-P [Unit: mm·(10 a)-1] in spring (a), summer (b), autumn (c) and winter (d) in Tianjin region [up (down) columns represent positive (negative) climate tendency rate, six columns represent six periods in turn, and red dots represent MMK trend passing significant test]