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NUMERICAL SIMULATION OF SSTA IMPACTS OVER THE GLOBAL OCEAN ON THE ANOMALOUS CIRCULATION OVER EURASIA IN JANUARY 2008
  • ISSN号:1006-8775
  • 期刊名称:《热带气象学报:英文版》
  • 时间:0
  • 分类:P732.6[天文地球—海洋科学] P731.27[天文地球—海洋科学]
  • 作者机构:[1]Key Laboratory of Meteorological Disaster of the Ministry of Education, Nanjing University of Information Science & Technology, Nanjing 210044 China
  • 相关基金:Foundation item: Special Funds for Public Welfare of China (GYHY(QX) 2008-06-005); Science and Technology Innovation Program of Jiangsu Province (CX09B_221Z); National Natural Science Foundation of China (40975024)
中文摘要:

在这份报纸,我们在 Atlantic.Our 结果如下被显示出的热带印度洋,赤道的太平洋,自台湾东面的菲律宾海流向日本的暖流和诺思上作为对海表面温度异例( SSTA )的回答在欧亚大陆上讨论了大气的发行量的特征:( 1 ) CAM3.0 ,在四个海洋的区域上由联合 SSTA 开车,能在2008年1月在欧亚大陆上模仿异常大气的发行量的特征很好,显示在这四个区域上的 SSTA 的效果是钥匙之一

英文摘要:

In this paper, we discussed the features of atmospheric circulations over Eurasia as a response to sea surface temperature anomalies (SSTAs) over the tropical Indian Ocean, the equatorial Pacific, Kuroshio and the North Atlantic. Our results are shown as follows: (1) CAM3.0, driven by the combined SSTAs over the four oceanic regions, can simulate well the features of anomalous atmospheric circulations over Eurasia in January 2008, indicating that the effects of the SSTAs over these four regions were one of the key causes of the anomalous systems over Eurasia. (2) The SSTAs over each key region contributed to the intensification of blocking over the Urals Mountains and a main East Asian trough. However, the influence of the SSTAs over individual oceanic regions differed from one another in other aspects. The SSTAs over the North Atlantic had an impact on the 500-hPa anomalous height (Z500A) over the middle-high latitudes and had a somewhat smaller effect over the low latitudes. For the warm SSTAs over Kuroshio, the subtropical high was much stronger, spread farther north than usual, and had an anomalous easterly that dominated the northwest Pacific Ocean. The warm SSTAs over the tropical Indian Ocean could have caused a negative Z500A from West Asia to Middle Asia, a remarkably anomalous southwesterly from the Indian Ocean to the south of China and an anomalous anticyclone circulation over the South China Sea-Philippine Sea region. Because of the La Nifia event, the winter monsoon was stronger than normal, with an anomalously cooler northerly over the southeastern coastal areas of China. (3) The combined effects of the SSTAs over the four key regions were likely more important to the atmospheric circulation anomalies of January 2008 over Eurasia than the effects of individual or partly combined SSTAS. This unique SSTA distribution possibly led to the circulation anomalies over Eurasia in January 2008, especially the atmospheric circulation anomalies over the subtropics, which were more simila

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期刊信息
  • 《热带气象学报:英文版》
  • 主管单位:广东省气象局
  • 主办单位:中国气象局广州热带海洋气象研究所
  • 主编:吴尚森
  • 地址:广州市福今路6号
  • 邮编:510220
  • 邮箱:rqxb@chinajournal.net.cn
  • 电话:020-39456441
  • 国际标准刊号:ISSN:1006-8775
  • 国内统一刊号:ISSN:44-1409/P
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,美国剑桥科学文摘,美国科学引文索引(扩展库)
  • 被引量:113