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Long-Term Changes of Seasonal Progress in Baiu Rainfall Using 109 Years (1901-2009) Daily Station Data

机译:使用109年(1901-2009)日站数据的Baiu降水季节变化的长期变化

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References(21) Cited-By(6) Supplementary materials(2) This study investigates long-term changes in Baiu rainfall in Eastern and Western Japan using daily precipitation records at 37 stations for the years 1901 through 2009, focusing on its seasonal progress. This period is much longer than various data analyzed in previous observational studies. In the early Baiu season (early to mid June), significant long-term decreasing trends are observed in Eastern and Western Japan, accompanying large inter-decadal variation in the former half of the 20th century. In the late Baiu season (mid to late July), in contrast, significant long-term increasing trends are observed on the Japan Sea side of Eastern and Western Japan. No significant trends are recognized either in the mid Baiu season (late June to early July) or in the entire Baiu season (June to July) over all regions. It is interesting to note that the observed tendency of delayed Baiu withdrawal in the last 109 years, when global warming has been in progress, is similar to its future changes projected by climate models.
机译:参考文献(21)被引用的文献(6)补充材料(2)本研究使用1901年至2009年的37个站点的每日降水记录,调查了日本东部和西部Baiu降水的长期变化,重点是季节性变化。这个时期比以前的观察研究中分析的各种数据要长得多。在Baiu早期(6月上旬至中期),在日本东部和西部观察到了显着的长期下降趋势,伴随着20世纪上半叶年代际变化较大。相比之下,在Baiu季末(7月中旬至下旬),在日本东部和西部的日本海一侧观察到了显着的长期增长趋势。在所有地区,Baiu旺季(6月下旬至7月初)或整个Baiu旺季(6月至7月)都没有发现明显的趋势。有趣的是,在全球变暖持续进行的最近109年中,观察到的Baiu延迟撤离的趋势类似于气候模型预测的未来变化。

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