地理研究 ›› 1986, Vol. 5 ›› Issue (1): 51-57.doi: 10.11821/yj1986010006
• 论文 •
严济远, 许卫桐, 朱静燕, 徐家良
Yan Jiyuan, Xu Weitong, Zhu Jingyan, Xu Jialiang
Abstract: A year was divided, for the Yangtze Delta region, into six natural seasons. Spring Rain, Plum Rain, High Summer,Autumn Rain,Late Autumn, and Winter, and the interannual rainfall variations for each season were analysed.Results show that for each natural season there exists tendency that in one period of several years the rainfall was above normal, while in another, below, and during the wet period not only more rainfall was recorded, but the frequency of the extremely wet year is far much higher than that of the extremely dry year, while the wet period shows just the opposite except in the winter season. Finally, based on the staistical regularity on the occurrences of wet period, dry period, and calamityprone period, a perspective is made on the rainfall tendency for the years before 2000 to provide some help to the agricultural planning, and the prevention of calamities.
严济远, 许卫桐, 朱静燕, 徐家良. 长江三角洲各自然季节降水趋势[J]. 地理研究, 1986, 5(1): 51-57.
Yan Jiyuan, Xu Weitong, Zhu Jingyan, Xu Jialiang. AN INVESTIGATION ON THE INTERANNUAL RAINFALL VARIATIONS FOR DIFFERENT NATURAL SEASONS IN THE YANGTZE DELTA[J]. GEOGRAPHICAL RESEARCH, 1986, 5(1): 51-57.
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