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西北太平洋波候与大气涛动的联系

DOI: 10.3969/j.issn.0253-4193.2013.05.006, PP. 59-66

Keywords: 西北太平洋,波候,大气涛动,北太平洋模态指数

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Abstract:

利用ECMWF1958-2001年44a的ERA-40海浪再分析资料计算了西北太平洋海域(0°~45°N,99°~160°E)月平均有效波高(SWH)、平均周期(T)与北太平洋模态指数(NPI)、太平洋年代际振荡(PDO)和多变量ENSO指数(MEI)等大气涛动之间的时间和空间的相关性,重点探讨了NPI对北半球西太平洋波候(SWH和T)的影响。结果表明:NPI、PDO和MEI均与SWH和T有显著的相关性;NPI与SWH和T呈现正相关性,NPI超前SWH和T半年左右正相关最强,最强的相关海域位于日本和菲律宾以东洋面;NPI还存在3~5a、8~9a和13~15a的年际和年代际周期变化;NPI高指数且PDO负位相或MEI负位相均使得SWH和T增大;MEI冷位相且叠加PDO负位相时也利于SWH和T增大。NPI影响西北太平洋波候的可能机制是:NPI处于低(高)指数时,阿留申低压加深(减弱)且位置偏东(西),北太平洋西风带海面风速急流出现(消失),太平洋副热带东北信风大值区东移(西移),西北太平洋海域信风减弱(加强),西北太平洋海域有效波高和平均周期随之减小(增大)。中、东太平洋西向传播的涌浪对西北太平洋海域波侯有重要影响。

References

[1]  Seymour R J, Strange R R, Cayan D R, et al. Influence of El Nino on California\'s wave climate[C]//Proceedings of the 19th International Conference on Coastal Engineering, ASCE, 1984, 1: 577-592.
[2]  Allan J C, Komar P D. Climate controls on US West Coast erosion processes[J]. Journal of Coastal Research, 2006, 22(3):511-529.
[3]  Zhu Yaili, Wang Huijun. The relationship between the Aleutain low and the Australian Summer Monsoon at interannual time scales[J]. Advances in Atmospheric Sciences,2010(27): 177-184.
[4]  王会军,孙建奇,范可.北太平洋涛动与台风和飓风频次的关系研究[J].中国科学( D辑),2007,37(7):966-973.
[5]  Alvar O S, Kay S, Anna R, et al. A global view on the wind sea and swell climate and variability from ERA-40[J].Journal of Climate,2010,doi:10.1175/2010JCLI3718.1
[6]  Hurrell J W, Kushnir Y, Ottersen G, et al. An overview of the North Atlantic Oscillation[C]//Hurrell J W. The North Atlantic Oscillation: Climatic Significance and Environmental Impact.Washington D C: American Geophysical Union, 2003, 134:1-35.
[7]  Mantua N J, Hare S R. The Pacific decadal oscillation[J].Journal of Oceanography, 2002, 58:35-44.
[8]  Wolte K, Timlin M S. El Ni?o/Southern Oscillation behaviour since 1871 as diagnosed in an extended multivariate ENSO index[J]. International Journal of Climatology, 2011, 31(7):1074-1087.
[9]  黄建斌,王绍武,龚道溢,等.近千年的大气涛动[J].科学通报,2010,55(19):1932-1936.
[10]  魏凤英,谢宇.近百年长江中下游梅雨的年际及年代际震荡[J].应用气象学报.2005,16(4):492-499.
[11]  孙晓娟,王盘兴,智海,等.阿留申低压四种环流指数的分析与比较[J].大气科学学报,2011,34(1):74-84.
[12]  Overland J E, Adams J M, Bond N A. Decadal variability of the Aleution low and its relation to high-latitude circulation[J].Journal of Climate,1999,12:1542-1548.
[13]  Graham N E, Diaz H F. Evidence for intensification of north Pacific winter cyclones since 1948[J].Bulletin of the American Meteorological Society, 2001, 82(9):1869-1893.
[14]  Seymour R J. Evidence for changes to the Northeast Pacific Wave Climate[J].Journal of Coastal Research, 2011, 27(1):194-201.
[15]  王林,陈文,冯瑞权,等.北太平洋涛动的季节演变及其与我国冬春气候异常的联系[J].大气科学,2011,35(3):393-402.
[16]  Wang Lin, Chen Wen, Huang Ronghui. Changes in the variability of North Pacifica Oscillation around 1975/1976 and its relationship with East Asian winter climate[J].Journal of Geophysical Research,2007, 112:D11.doi:10.1029/2006JD008054.
[17]  Trenberth K E, Hurrell J W. Decadal atmosphere-ocean variations in the Pacific[J].Climate Dynamics, 1994, 9:303-319.
[18]  Trenberth K E, Caron J M. The Southern Oscillation revisited: Sea level pressures, surface temperatures and precipitation[J].Journal of Climate, 2000, 13:4358-4365.
[19]  Higgins R W, Zhou Y, Kim H K. Relationships between El Ni?o-Southern Oscillation and the Arctic Oscillation: A Climate-Weather Link[J]. NCEP/Climate Prediction Center ATLAS,2001(8):6-27.
[20]  王绍武.大气涛动[J].气候变化研究进展, 2010,6(03):233-234.
[21]  朱智慧.北大西洋涛动与极涡的变化研究[D].青岛:中国海洋大学,2009.
[22]  徐艳清.东中国海波浪数值模拟及波候统计研究[D].北京:中国科学院海洋研究所,2005.

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