黑龙江省夏季降水非均匀性特征及其影响因素
康恒元, 刘玉莲, 周贺玲, 袁芳

Heterogeneity characteristics and influencing factors of summer precipitation in Heilongjiang Province
KANG Hengyuan, LIU Yulian, ZHOU Heling, YUAN Fang
图9 黑龙江夏季降水集中期(a、b、c)和集中度(d、e、f)与显著相关的气候指数的相关系数空间分布
(a)5月北美区极涡面积指数,(b)5月850 hPa西太平洋信风指数,(c)8月斯堪的纳维亚遥相关型指数,(d)夏季850 hPa中太平洋信风指数,(e)6月北非—北大西洋—北美副高脊线位置指数,(f)7月东部型ENSO指数
(蓝、红色圆圈分别表示正、负相关,圆圈直径表示相关系数值,实心圆通过α=0.05的显著性检验)
Fig.9 The spatial distribution of correlation coefficient of summer PCP (a, b, c) and PCD (d, e, f) in Heilongjiang Province with significantly correlative climate indices
(a) North American polar vortex area index in May,(b) western Pacific 850 hPa trade wind index in May,(c) Scandinavia teleconnection pattern index in August,(d) central Pacific 850 hPa trade wind index in summer,(e) North African-North Atlantic-North American subtropical high ridge position index in June,(f) eastern Pacific ENSO index in July
(The blue and red cycles represent positive and negative correlations, respectively, the diameter of cycles represents the value of correlation coefficient, and the solid cycles pass the significance test with 0.05 level)