全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
大气科学  2009 

北半球大气遥相关型冬夏差异及其与温度场关系的探讨

DOI: 10.3878/j.issn.1006-9895.2009.03.09

Keywords: 北半球大气遥相关,遥相关路径偏折,大气温度场

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用55年的NCEP/NCAR再分析资料,采用合成分析等方法探讨了冬、夏季北半球大气遥相关型的差异及其与温度场的关系。主要结果有:北半球冬、夏季典型的大气遥相关型具有很大的差异,且大气遥相关路径的偏折与温度场的变化有密切的关系。北半球冬季,呈经向型分布特征的大气遥相关路径在温度纬向梯度正负号发生改变处发生偏折;而在北半球夏季,由于温度场分布呈现纬向特征,遥相关路径不易产生南北向的偏折,从而使得异常中心基本上沿纬圈分布,呈明显的纬向特征。此外,由于冬季等温线南北起伏明显的区域往往位于东西方向海陆交界处,因此冬季大气遥相关路径往往在东西向海陆交界处发生偏折。

References

[1]  Blackmon M L, Madden R A, Wallace J M, et al. 1979. Geographical variations in the vertical structure of geopotential height fluctuations [J]. J. Atmos. Sci., 36: 2450- 2466.
[2]  Blackmon M L, Lee Y H, Wallace J M. 1984. Horizontal structure of 500 mb height fluctuations with long, intermediate and short time seales [J]. J. Atmos. Sci., 41:961 - 979.
[3]  陈文 顾雷 魏科 等.东亚季风系统的动力过程和准定常行星波活动的研究进展[J].大气科学,2008,32(4):950-966.
[4]  Chen W Y. 1992. Dynamical prediction at medium-extended ranges employing low-frequency PNA mode [J]. Mon. Wea. Rev., 120: 2641 - 2652.
[5]  Ding Qinghua, Wang Bin. 2005. Circumglobal teleconnection in the Northern Hemisphere summer [J]. J. Climate, 18:3483 - 3506.
[6]  Hoskins B J, Karoly D J. 1981. The steady linear response of a spherical atmosphere to thermal and orographic forcing [J]. J. Atmos. Sci., 38: 1179 - 1196.
[7]  Hoskins B J, Ambrizzi T. 1993. Rossby wave propagation on a real- istic longitudinally varying Flow [J]. J. Atmos. Sei., 50. 1661 - 1671.
[8]  Hsu Huang-Hsiung, Lin Shih-Hsun. 1992. Global teleeonnections in the 250mb stream-function field during the Northern Hemi-sphere winter. Mort. Wea. Rev., 120: 1169-1190.
[9]  Kalnay E, Kanamitu M, Kistler R, et al. 1996. The NCEP/NCAR 40-year reanalysis project [J]. Bull. Amer. Meteor. Soc., 77: 437 - 471.
[10]  黎伟标 纪立人.亚洲夏季风活动激发北半球大气遥相关的物理机制探讨I,正规模及有限时间不稳定奇异矢量分析[J].大气科学,1999,23(4):477-486.
[11]  黎伟标,纪立人.亚洲夏季风活动激发北半球大气遥相关的物理机制探讨II.最优强追模及其相应[J].大气科学,1999b,23(5):571-580.
[12]  李勇 陆日宇 何金海.影响我国冬季温度的若干气候因子[J].大气科学,2007,31(3):505-514.
[13]  Legras B, Ghi M. 1985. Persistent anomalies, blocking and variations in atmospheric predictability [J]. J. Atmos. Sci., 42: 433- 471.
[14]  Lu R Y, Oh J H, Kim B J. 2002. A teleconnecyion pattern in up-perlevel meridional wind over the North African and Eurasian continent in summer [J]. Tellus, 54A: 44 - 55.
[15]  Lin Z D, Lu R Y. 2005. Interannual meridional displacement of the East Asian upper-tropospheric jet stream in summer [J]. Adv. Atmos. Sci, 22: 199-201.
[16]  Nakamura H, Tanaka M, Wallace J M. 1987. Horizontal structure and energetics of Northern Hemisphere wintertime teleconnection patterns [J]. J. Atmos. Sci., 44. 3377-3391.
[17]  Nitta T, Mauyama T, Motoki T. 1986. Long-term variations of tropospheric circulations in the western Pacific region as derived from GMS cloud winds [J]. J. Meteor. Soc. Japan, 64: 895- 911.
[18]  Nitta T. 1987. Convection activities in the tropical western Pacific and their impact on the Northern Hemisphere summer circulation [J]. J. Meteor. Soc. Japan, 65: 373-390.
[19]  Plumb R A. 1985. On the three-dimensional propagation of stationary waves [J]. J. Atmos. Sci., 42: 217-229.
[20]  孙淑清 刘舸 张庆云.南半球环流异常对夏季西太平洋热带气旋生成的影响及机理[J].大气科学,2007,31(6):1189-1200.
[21]  Simmons A J, Wallace J M, Branstator G W. 1983. Barotropic wave propagation and instability, and atmospheric teleconnection patterns [J]. J. Atmos. Sci., 40: 1363-1392.
[22]  吴洪宝.冬季对流层下半部温度场的遥相关及与下垫面加热异常的关系[J].南京气象学报,1992,15(1):81-88.
[23]  Walker G T. 1924. World weather II [J]. Memoirs of the Indian Meteorological Department, 24 : part 9.
[24]  Walker G T, Bliss E W. 1932. World weather V [J]. Mem. Roy. Meteor. Soc., 4: 53-84.
[25]  Wallace J M, Gutzler D S. 1981. Teleconnection in the geopotential height field during the Northern Hemisphere winter [J]. Mon. Wea. Rev., 109: 784-812.
[26]  朱乾根 林锦瑞 寿绍文.天气学原理与方法[M].北京:气象出版社,2000.507-522.
[27]  Barnston A G, Livezey R E. 1987. Classificaion, seasonality and persistence of low-frequency atmospheric circulation patterns [J]. Mon. Wea. Rev., 115: 1803-1125.
[28]  Bjerknes J. 1966. A possible response of the atmospheric Hadley circulation to equatorial anomalies of ocean temperature [J]. Tellus, 18: 820-829.
[29]  Bjerknes J. 1969. Atmospheric teleconnections from the equatorial Pacific [J]. Mon. Wea. Rev., 97, 163-172.
[30]  Bjerknes J. 1972. Large scale atmospheric response to the 1964 - 65 Pacific equatorial warming [J]. J. Phys. Oceanogr., 2: 212- 217.
[31]  Blackmon M L. 1976. A climatological spectral study of the 500 mb geopotential height of the Northern Hemisphere [J]. J. Atmos. Sci., 33: 1607-1623.
[32]  Blackmon M L, Wallace J M, Lau Ngar-Cheung, et al. 1977. An observational study of the Northern Hemisphere wintertime circulation [J]. J. Atmos. Sci., 34: 1040-1053.
[33]  Franzke C, Feldstein S B. 2005. The continuum and dynamics of Northern Hemisphere teleconnection patterns [J]. J. Atmos. Sci., 62: 3250-3267.
[34]  黄荣辉.引起我国夏季旱涝的东亚大气环流异常遥相关及其物理机制的研究[J].大气科学,:.
[35]  黄荣辉 孙凤英.北半球夏季遥相关型的年际变化及其数值模拟[J].大气科学,:.
[36]  Horel J D, Wallace J M. 1981. Planetary-scale atmospheric phenomena associated with the southern oscillation [J]. Mon. Wea. Rev., 109: 813-829.
[37]  粱必骐.天气学教程[M].北京:气象出版社,1995.186-189,437-442.
[38]  黎伟标 纪立人.亚洲夏季风活动激发的北半球大气环流遥相关型[J].大气科学,:.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133