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8 1951—2020年黑龙江不同气候区夏季降水集中期(a)和集中度(b)小波功率谱
(“U”型黑实线为影响锥曲线,橘色、黑色虚线通过0.05显著性水平的红噪声检验)
Fig.8 Wavelet power spectrums of summer PCP (a) and PCD (b) in different climatic regions of Heilongjiang Province from 1951 to 2020
(The black solid line with the U-shaped is the cone of influence (COI) curve, and the orange and black dashed lines designate the 0.05 significance level against red noise)