| ANALYSIS OF LOW-FREQUENCY OSCILLATIONS FOR THE SOUTH CHINA SEA SUMMER MONSOON IN 1998 |
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| 作者姓名： | 徐国强 朱乾根 |
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| 作者单位： | Chinese Academy of Meteorological Sciences，Nanjing Institute of Meteorology |
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| 基金项目： | National Project of Technology (2001BA607B)，Start-up Foundation of Ph.D. of the Chinese Academy of Meteorological Sciences |
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| 摘 要： | 1INTRODUCTIONLocatingatthesoutheasternpartofAsia,theSouthChinaSea(SCS)linkstheIndianOceanandwesternPacificandimmediatelyborderswiththeSouthAsiamonsoonregion.ItisanimportantlocationinwhichtheEastAsiamonsoonsysteminteractswiththeIndianOceanoneandamostdirectsourceofmoistureforthesubtropicalmonsoonsysteminEastAsia.TheSCSmonsoonanomaliescandirectlyaffectonthetemporal-spatialdistributionofprecipitationinthesouthofChinaandtheChangjiangRivervalleysothatseriousfloods/droughtsarecaused.Com…
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| 关 键 词： | SCS 夏季风 低频振动 中国 南部地区 海洋 气候影响 |
ANALYSIS OF LOW-FREQUENCY OSCILLATIONS FOR THE SOUTH CHINA SEA SUMMER MONSOON IN 1998 |
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| XU Guo-qiang and ZHU Qian-gen.ANALYSIS OF LOW-FREQUENCY OSCILLATIONS FOR THE SOUTH CHINA SEA SUMMER MONSOON IN 1998[J].Journal of Tropical Meteorology,2003,9(1):49-56. |
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| Authors: | XU Guo-qiang and ZHU Qian-gen |
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| Institution: | 1. Chinese Academy of Meteorological Sciences, Beijing, 100081 China
2. Nanjing Institute of Meteorology, Nanjing, 210044 |
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| Abstract: | With NCEP/NCAR reanalysis daily data and SST for 1998, the paper investigates the features of summer monsoon low-frequency oscillation (LFO) over the South China Sea (SCS). Results show that SCS summer monsoon onset is enhanced because of its LFO. Low-frequency (LF) low-level convergence (divergence) region of SCS is in the LF positive (negative) rainfall area. LFO of the SCS region migrates from south to north in the meridian and from west to east in zonal direction. LF divergence of SCS is vertically compensating to each other between high and low level. |
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| Keywords: | SCS summer monsoon low-frequency oscillation transportation |
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