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inter-decadal variations
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  年代际变化
     For the year of 1976 is turn of inter-decadal variations of atmosphere circumfluence and climate change , we also analyze inter-decadal variations of probability distributing of average temperature and precipitation in 1961-1975 and 1976-2000 separately.
     1976年是北半球大气环流和气候年代际变化转折年,据此也研究了1961-1975年和1976-2000年两时段各季日平均气温和夏季日降水量概率分布的年代际差异。
短句来源
     Based on summer precipitation in North China and the Northern Hemisphere sea level pressure (SLP) and the Pacific sea surface temperature anomaly (SSTA) from 1900 to 2001 and NCEP data from 1950 to 1999, this paper studies inter-decadal variations of summer precipitation in North China and linkage of it and general circulation of atmosphere (GCA) and ENSO cycle using EOF and wavelet transform and composite analysis and correlation analysis and so on.
     本文采用1900~2001年华北夏季降水量、北半球海平面气压(SLP)、太平洋海表温度距平(SSTA)、1950~1999年NCEP资料等,利用EOF、小波变换、合成分析、相关分析等方法,研究了华北夏季降水的年代际变化及其与东亚大气环流、ENSO循环的联系。
短句来源
     Using the NCEP/NCAR data,we can calculate wintertime polar vortex area(PVA) index and polar vortex intensity(PVI) index. And in terms of these indexes and Arctic oscillation(AO) index,we can get their periodic analysis and analyze the inter-annual and inter-decadal variations of the wintertime(DJFM) AO and North Hemisphere 500hPa polar vortex.
     利用NCEP/NCAR资料计算出冬季极涡面积(PVA)指数和极涡强度(PVI)指数,对冬季北极涛动(AO)和北半球500 hPa极涡指数进行周期分析,讨论了冬季AO与极涡的年际、年代际变化
短句来源
     Based on the data of critical temperature (0oC, 10oC) over the Tibetan Plateau from 1971 to 2000, we established the small grid reckon model and calculated the critical temperature values of 500 m × 500 m grid node by GIS. The spatial distributions, linear trend, inter-decadal variations and climatic anomalous year of the critical temperature were analyzed.
     根据西藏1971~2000年≥0℃、10℃界限温度资料,建立了小网格推算模式,应用GIS推算出500m×500m网格点上的农业界限温度值,分析了界限温度的空间分布特征、趋势变化、年代际变化和气候异常。
短句来源
     Inter-Decadal Variations of Atmospheric Circulation Part II: GCM Simulation Study
     大气环流的年代际变化 Ⅱ.GCM数值模拟研究
短句来源
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  年代际差异
     For the year of 1976 is turn of inter-decadal variations of atmosphere circumfluence and climate change , we also analyze inter-decadal variations of probability distributing of average temperature and precipitation in 1961-1975 and 1976-2000 separately.
     1976年是北半球大气环流和气候年代际变化转折年,据此也研究了1961-1975年和1976-2000年两时段各季日平均气温和夏季日降水量概率分布的年代际差异
短句来源
  “inter-decadal variations”译为未确定词的双语例句
     The spatial patterns of Jiangsu temperature trends and inter-decadal variations(1961—2001) are investigated by using the monthly mean temperatures of 60 weather stations in Jiangsu Province.
     根据江苏省60个气象站1961—2001年的逐月气温资料,研究了江苏气温的长期变化趋势和年代际变化特征的空间差异。
短句来源
     Using NCEP/NCAR 40-year reanalysis, GISST2.3b data-set, CRU South Oscillation Index along with in situ the 160 station data of surface air temperature/ rainfall records in China, the inter-decadal variations in the relationship between equatorial Western and Eastern Pacific variabilities are examined. The possible relations to the surface air temperature/rainfall in China are also investigated.
     利用NCEP/NCAR再分析资料、全球海温海冰GISST2.3b资料、英国CRU提供的南方涛动指数以及中国160站降水和气温资料,分析了热带太平洋地区海气系统内部联系的年代际变化特征及其与中国降水/气温异常的联系。
短句来源
     The spatial distribution and inter-decadal variations of snow cover are analyzed with the use of snow data of 16 meteorological stations in the source regions of the Yangtze and Yellow Rivers and their periphery.
     应用长江黄河源区及其周边地区16个气象站逐日积雪资料,分析了长江黄河源区积雪的空间分布和年代际变化特征.
短句来源
     (2) There are distinct differences of the trends of extreme temperature variation between different regions, but the periodic variation analysis show that the inter-decadal variations are consistent.
     (2) 各区域的极端温度值时间变化存在较大差异,但是周期分析显示,各区域极端温度值的年代际周期振荡具有全省一致性。
短句来源
     o3 index、Dipole index and Unipole index, the inter-decadal variations in the relationship between the tropical Pacific and Indian Ocean inter-annual anomalies are examined. Results indicate that the signal of ENSO decreased in Indian Ocean after 1978. During 1950~1978, The Walker Circulation over the tropical Pacific and the vertical Zonal monsoon circulation over the tropical Indian Ocean coupled at the Oceanic Continent .
     o3指数、印度洋单极指数、偶极子指数表示热带太平洋-印度洋SST的年际异常,发现1978年以后ENSO在热带印度洋的信号减弱了,可以解释如下:1978年之前,印度洋和太平洋纬向垂直环流的异常在海洋性大陆附近作齿轮式耦合;
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  inter-decadal variations
We also found inter-decadal variations in surface air temperature, including a fairly regular quasi 20-year oscillation, although its amplitude varied between different cycles.
      
The models somewhat underestimate the inter-decadal variations in interannual variability measures observed during the century and overestimate the range of anomalies.
      


By using the negative directions algorithm of “recursive resolve”,the content characteristics of dynamical evolution are revealed for inter monthly differences of Equatorial Eastern Pacific monthly mean SST in 1951.1~1997.12,showing the inter decadal variations and abrupt changes of SST.Relations of the content characteristic with ENSO cycles,the total ozone over the both Hemispheres and inter decadal variations of northern Hemisphere tropospheric and stratospheric temperatuers are also discussed.At...

By using the negative directions algorithm of “recursive resolve”,the content characteristics of dynamical evolution are revealed for inter monthly differences of Equatorial Eastern Pacific monthly mean SST in 1951.1~1997.12,showing the inter decadal variations and abrupt changes of SST.Relations of the content characteristic with ENSO cycles,the total ozone over the both Hemispheres and inter decadal variations of northern Hemisphere tropospheric and stratospheric temperatuers are also discussed.At last,comparison shows that the content of “recursive resolve” is more sensitive to the inter decadal variations of SST in the region than traditional statistical series.

采用“递归分解”方法的逆向算法,提取了赤道东太平洋冷水区57 个格点 1951年 1 月~1997 年 12 月逐月海温月际变差值序列动力演化的“容比”特征,据此揭示了海温场的年代际尺度气候变化,并讨论了它与 E N S O 循环、两半球臭氧以及北半球对流层、平流层大气温度年代际变化的关系。最后将“递归分解”方法与传统统计方法进行了比较。

Similar to numerical simulations with atmospheric global circulation models (AGCM) in the Atmospheric Model Inter-comparison Plan (AMIP), an atmospheric global circulation model is introduced to make 43 years integration by monthly observed sea surface temperatures from 1950 to 1993. We use the long-time series to discuss the inter-decadal variations of the atmospheric circulation, mainly focusing on the three key oscillations and principal circulation systems in the tropics and the Northern Hemisphere,...

Similar to numerical simulations with atmospheric global circulation models (AGCM) in the Atmospheric Model Inter-comparison Plan (AMIP), an atmospheric global circulation model is introduced to make 43 years integration by monthly observed sea surface temperatures from 1950 to 1993. We use the long-time series to discuss the inter-decadal variations of the atmospheric circulation, mainly focusing on the three key oscillations and principal circulation systems in the tropics and the Northern Hemisphere, such as Southern Oscillation (SO), Pacific-North Americal pattern (PAN), though in East Asia at 500 hPa. The results strikingly show that the inter-decadal variations, including 10-20 and more than 30 years quasi-periods oscillations are very clear. The simulation results agree with observations quite well. We also analyze the precipitation in the eastern China with the simulation data, and obtain the notable inter-decadal variations, including the climate jump in the 1960's. At the same time, the above features correspond with the variations of the atmospheric circulation in East Asia very well. Above all, we can use the GCM simulation data to investigate not only the seasonal and inter-annual variations of the amtospheric circulation and climate, but the inter-decadal virations as well.

类似大气环流模式比较计划(AMIP)的数值模拟,将实际观测的海表水温(SST)资料引入模式进行40多年的数值积分,得到长时间的大气环流模拟结果。分析数值模拟结果发现,无论是大气中的主要涛动和遥相关型,还是重要大气环流系统都极为清楚地存在着年代际变化特征,包括10~20年准周期振荡和可能的30年以上的准周期振荡;而且上述主要环流系统的形势及其年代际变化大都与实际观测资料所给出的结果相一致。顺便分析中国东部气候的模拟结果,年代际变化特征(包括60年代的气候突变)也很清楚,并同大气环流变化配合十分合理。结果也表明,同研究季节和年际变化一样,大气环流模式(AGCM)数值模拟也是研究大气环流和气候年代际变化的有效方法。

The quasi-periodicities of inter-annual variations for the inter-monthly surface air tem- perature anomaly series are diagnosed over the global, southern and northern hemispheres over the past more than 100 years (l856~ l997) by using singular spectrum analysis (SSA). The results show that there exist three dominant time scales with period ranges of 5~ 6 years, around 4 years and quasi-bien- nial oscillations in the global and both hemisphere temperature series. The first two period oscillations are the most...

The quasi-periodicities of inter-annual variations for the inter-monthly surface air tem- perature anomaly series are diagnosed over the global, southern and northern hemispheres over the past more than 100 years (l856~ l997) by using singular spectrum analysis (SSA). The results show that there exist three dominant time scales with period ranges of 5~ 6 years, around 4 years and quasi-bien- nial oscillations in the global and both hemisphere temperature series. The first two period oscillations are the most prominent. The inter-decadal variations and the variability phase of the various quasi-pe- riod oscillations are displayed in amplitude and wavenumbers as well. The above-mentioned features are obviously different in the global and both hemisphere temperature series. Singular cross spectrum analysis (SCSA) shows that there exist various couple oscillations between the inter-annual oscillations of the global air temperature series and the quasi-period signals which other sub-climate systems hint, especially the couple oscillations between the inter-annual oscillations of the global temperature and the quasi-periods signals of the sea surface temperature (SST) or South Oscillation Index (SOI).

应用奇异谱分析(SSA) 方法,对全球及南北半球近100多年(1856~1997年)逐月地面气温距平序列的年际变化准周期性进行诊断分析,结果表明,全球平均气温序列中以准5~6年和准4年周期振荡最显著,其次是准两年周期振荡。各种准周期振荡年代际演变特征及其变率的阶段性,不但表现在振幅上,而且其波数亦很明显。上述特征在全球、南北半球都各有明显的差异。奇异交叉谱分析(SCSA)表明,全球平均地面气温的年际振荡与气候系统中其他各子系统所隐含的准周期信号具有各种耦合关系,尤其表现在与Nino区海温或南方涛动指数中的准周期信号的耦合关系上

 
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