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鉴于我国东北三省雨季客观识别方法不尽相同,且无东北区域统一的雨季监测指标. 为了更好地开展区域关键天气过程的客观化识别和监测,本文从区域角度出发,采用东北三省102站逐日降水量资料,通过对东北区域多年平均5点平滑处理的4月1日–10月31日逐日降水量序列的综合分析,及对历年逐日滑动平均雨量的对比试验,确定了东北盛夏雨季判别的阈值参数及通过阈值后的持续时间参数,进而研发了适合东北区域盛夏雨季开始和结束日期的客观识别方法. 并采用美国环境预报中心和国家大气研究中心逐日再分析的风场、位势高度场资料,通过对盛夏雨季前、中、后期不同高度层大气环流场的对比分析,验证了该客观识别方法的合理性. 结果表明,东北区域1981–2010年气候态平均的盛夏雨季的起 止日期分别为每年的6月26日和8月30日.Owing to the fact that the objective identification methods of rainy season are not totally identical in the three provinces of Northeast China, no unified monitoring criterion of rainy season is available in this area. In order to implement the regional key climate monitoring and to meet the needs of the national weather service, from the angle of the whole region, based on the daily precipitation data of 102 observational stations, by comprehensively analyzing the daily precipitation series disposed by 5-point moving average, the objective identification method of midsummer rainy season in the northeast China is presented in this paper. Then based on the daily reanalysis data of wind field and geopotential height field provided by NCEP/NCAR, the atmospheric circulation fields of different levels before, during and after the midsummer rainy season are contrastively analyzed, and the rationality of the objective identification method is validated. Finally, the partition criterion of the beginning and ending dates are determined. Results show that: the average beginning and ending dates of midsummer rainy season in the northeast China respectively are June 26th and August 30th. The partition criterion of midsummer rainy season in the northeast China by using the objective identification method is reasonable.
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Keywords:
- northeast China /
- midsummer rainy season /
- beginning and ending dates /
- objective identification
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[28] Wang Z Y, Ding Y H 2008 Chin. J. Atmosph. Sci. 32 1 (in Chinese) [王遵娅, 丁一汇 2008 大气科学 32 1]
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[1] Zhu K Z 1934 Acta Geogr. Sin. 1 1 (in Chinese) [竺可祯 1934 地理学报 1 1]
[2] Tu C W, Huang S S 1944 Acta Meteorol. Sin. 18 1 (in Chinese) [涂长望, 黄士松 1944 气象学报 18 1]
[3] Zheng B, Liang J Y, Lin A L, Li C H, Gu D J 2006 Chin. J. Atmosph. Sci. 30 1207 (in Chinese) [郑彬, 梁建茵, 林爱兰, 李春晖, 谷德军 2006 大气科学 30 1207]
[4] Ding Y H, Liu J J, Sun Y, Liu Y J, He J H, Song Y F 2007 Chin. J. Atmosph. Sci. 31 1082 (in Chinese) [丁一汇, 柳俊杰, 孙颖, 柳艳菊, 何金海, 宋亚芳 2007 大气科学 31 1082]
[5] Qiang X M, Yang X Q 2008 Chin. J. Geophys. 51 1333 (in Chinese) [强学民, 杨修群 2008 地球 51 1333]
[6] Liang P, Ding Y H, He J H, Chen B M, Lei X T 2010 Chin. J. Atmosph. Sci. 34 418 (in Chinese) [梁萍, 丁一汇, 何金海, 陈伯民, 雷小途 2010 大气科学 34 418]
[7] Zhao H G 1994 Meteorologica 20 3 (in Chinese) [赵汉光 1994 气象 20 3]
[8] Lin Z G 1985 Chinese Climate (Shanghai: Shanghai Scientific and Technical Publishers) p76 (in Chinese) [林之光 1985 中国气候 (上海: 上海科学技术出版社) 第76页]
[9] Zhang J C 1991 Climate of China (Beijing: Meteorologica Press) p140 (in Chinese) [张家诚 1991 (北京: 气象出版社) 第140页]
[10] Qiang X M, Yang X Q, Sun C Y 2008 Meteorologica 34 10 (in Chinese) [强学民, 杨修群, 孙成艺 2008 气象 34 10]
[11] Yan H M, Li Q Q, Sun C H, Yuan Y, Li D 2013 Chin. J. Atmosph. Sci. 37 1111 (in Chinese) [晏红明, 李清泉, 孙丞虎, 袁媛, 李多 2013 大气科学 37 1111]
[12] Wang X Z, Sun Z B, Tan Y K, Hu B H 2006 Trans. Atmos. Sci. 29 203 (in Chinese) [王学忠, 孙照渤, 谭言科, 胡邦辉 2006 大气科学学报 29 203]
[13] Sun X, Chen C L, Lu J 2007 J. Meteor. Environ. 23 62 (in Chinese) [孙欣, 陈传雷, 卢娟 2007 气象与环境学报 23 62]
[14] Shen B Z, Lin Z D, Lu R Y, Lian Y 2011 Sci. China: Earth Sci. 41 402 (in Chinese) [沈柏竹, 林中达, 陆日宇, 廉毅 2011 中国科学: 地球科学 41 402]
[15] Feng G L, Cao H X, Gao X Q, Dong W J, Chou J F 2001 Adv. Atmos. Sci. 18 701
[16] Ye T S, Zhi R, Zhao J H, Gong Z Q 2014 Chin. Phys. B 23 069203
[17] Shen B Z, Zhang S X, Yang H W, Wang K, Feng G L 2012 Acta Phys. Sin. 61 109202 (in Chinese) [沈柏竹, 张世轩, 杨涵洧, 王阔, 封国林 2012 61 109202]
[18] Yao S X, Huang Q, Zhang Y C, Kuang X Y 2012 J. Trop. Meteor. 18 503
[19] Gong Z Q, Zhao J H, Feng G L 2013 Acta Phys. Sin. 62 099205 (in Chinese) [龚志强, 赵俊虎, 封国林 2013 62 099205]
[20] Shi N, Zhu Q G, Wu B G 1996 Chin. J. Atmosph. Sci. 20 575 (in Chinese) [施能, 朱乾根, 吴彬贵 1996 大气科学 20 575]
[21] Lian Y, Shen B Z, Gao C T, An G, Tang X L 2003 Acta Meteorol. Sin. 61 548 (in Chinese) [廉毅, 沈柏竹, 高枞亭, 安刚, 唐晓玲 2003 气象学报 61 548]
[22] He S H, Feng T C, Gong Y C, Hung Y H, Wu C H, Gong Z Q 2014 Chin. Phys. B 23 059202
[23] He W P, Deng B S, Wu Q, Zhang W, Cheng H Y 2010 Acta Phys. Sin. 59 8264 (in Chinese) [何文平, 邓北胜, 吴琼, 张文, 成海英 2010 59 8264]
[24] Wang X J, Zhi R, He W P, Gong Z Q 2012 Chin. Phys. B 21 029201
[25] Wang Z Y, Ding Y H, Zhang Q, Song Y F 2012 Acta Meteorol. Sin. 26 399
[26] Zheng Z H, Ren H L, Huang J P 2009 Acta Phys. Sin. 58 7359 (in Chinese) [郑志海, 任宏利, 黄建平 2009 58 7359]
[27] Zhu Q G, Lin J R, Shou S W, Tang D S 2007 Principle and Methodology of Synoptic Meteorology (Beijing: Meteorologica Press) p193 (in Chinese) [朱乾根, 林锦瑞, 寿绍文, 唐东昇 2007 天气学原理与方法 (北京: 气象出版社) 第193页]
[28] Wang Z Y, Ding Y H 2008 Chin. J. Atmosph. Sci. 32 1 (in Chinese) [王遵娅, 丁一汇 2008 大气科学 32 1]
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