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seasonal scale
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  季尺度
     Finally, the predictability of short term climate forecast is discussed, and it is pointed out that the theoretical limit of the lead time in monthly and seasonal scale prediction is about 6 12 months and that of the accuracy ( P ) is 80% 85%.
     文中探讨了短期气候预测的可预报性问题 ,提出月、季尺度气候预测的可预报性的理论上限可能为 6~ 1 2月 ,准确率在 80 %~ 85%之间 .
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  “seasonal scale”译为未确定词的双语例句
     The influence on summer circulation in east Asia of the spring and summer SSTA in the equatorial eastern Pacific is not simply a linear superposition,but a nonlinear interaction on a seasonal scale.
     同时指出春季赤道东太平洋海温异常和夏季海温异常对夏季东亚大气环流的影响并非是线性叠加 ,海温持续性异常对东亚夏季大气环流的影响在季节时间尺度上存在非线性相互作用
短句来源
     46 6% on daily scale and decreases with time interval extending,about 9 2% on semi lunar scale and 3 7% on seasonal scale.
     随着观测时间间隔的增大保存率迅速减小 ,大小潮周期内层偶保存率降为 9.2 % ,季节性观测层偶保存率为 3.7%。
短句来源
     Minimum temperature has more stable and more obvious increasing tendency than maximum temperature, especially on the seasonal scale.
     最低气温的倾向率在各个季节或年平均上比最高气温的倾向率大得多,冷季的线性倾向率明显大于暖季;
短句来源
     Results show that in Delingha annual change of δ 18O in precipitation there is a “temperature effect”, but the relationship with temperature on an annual timescale is lower than one on a seasonal scale.
     研究结果表明,德令哈降水中δ18O年际变化表现出一定程度的“温度效应”,但与温度的相关性要低于季节尺度。
短句来源
     Method of Forecasting Regional Sandstorm Process in Spring on Seasonal Scale
     季以上尺度预报春季区域性沙尘暴过程的方法研究
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     The highest is in the scale.
     鳞中含量最高;
短句来源
     Method of Forecasting Regional Sandstorm Process in Spring on Seasonal Scale
     季以上尺度预报春季区域性沙尘暴过程的方法研究
短句来源
     An Overview of Large Scale Effects of Seasonal Snow Cover
     积雪大尺度气候效应综述
短句来源
     e and Kolmogoroff scale ? .
     e和Kolmogoroff尺度?
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     Some diseases are seasonal.
     某些疾病是有季节性的。
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  seasonal scale
Wintertime Seasonal Scale Simulation over Western Himalaya Using RegCM3
      
The focus of BOBMEX was to understand the role of ocean-atmospheric processes in organizing convection over the BOB on intra-seasonal scale.
      
Moreover, power spectra are derived for anomalies relative to the 50% decile at monthly and seasonal scale.
      
Runoff was mainly controlled by the rainfall distribution pattern on the seasonal scale.
      
The flux has been partitioned between stomatal and non-stomatal fluxes and shows over a seasonal scale that the non-stomatal deposition (50 kg O3 ha- y-1) dominates the overall flux (77 kg O3 ha-1 y-1) and represents 70% of the total deposition.
      
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Orographic effects on monthly-and seasonal-scale low frequency oscillation are investiged in terms of a five-level global spectral model with a triangle truncation at wavenumber 10 that contains relatively full physical parameterization, followed by analysis and comparison of the lowpass filtered data separately obtained from models with and without orography. Results show that remarkable seasonal characteristics are displayed in the orographic forcing-generated low frequency wavetrain on...

Orographic effects on monthly-and seasonal-scale low frequency oscillation are investiged in terms of a five-level global spectral model with a triangle truncation at wavenumber 10 that contains relatively full physical parameterization, followed by analysis and comparison of the lowpass filtered data separately obtained from models with and without orography. Results show that remarkable seasonal characteristics are displayed in the orographic forcing-generated low frequency wavetrain on monthly and seasonal scales. It is found that the Northern Hemisphere summer orography-produced tropical heating acts as source of the low-frequency wavetrain for both hemispheres. Besides, the simulations indicate that the orographic wavetrain perturbation can give rise to the anomaly in the equatorial zonal flow, whose transient forcing will cause a new wavetrain in the Southern Hemisphere, thus completing the cross-equatorial propagation of the northern wave in interhemispheric action.

NUMERICALSTUDYOFOROGRAPHICINFLUENCEONLOWFREQUENCYOSCILLATION¥ZhangQin;ZhuYufeng;(NanjingInstituteofMeteorology,Nanjing210044)...

Volcanic activity is one of the important factors that may affect global climate.Volcanic products can also provide records of palaeoenvironmental changes. Recently the study of maar lake and varve chronology is becoming a new field for palaeoclimate research.It provides high resolution records of palaeoenv0ironment with a time series on seasonal scale.Maar is a kind of collapse circular basin that is caused by phreatomagmatic explosion, and is cut into the pre-eruptive country rocks and surrounded by...

Volcanic activity is one of the important factors that may affect global climate.Volcanic products can also provide records of palaeoenvironmental changes. Recently the study of maar lake and varve chronology is becoming a new field for palaeoclimate research.It provides high resolution records of palaeoenv0ironment with a time series on seasonal scale.Maar is a kind of collapse circular basin that is caused by phreatomagmatic explosion, and is cut into the pre-eruptive country rocks and surrounded by ring wall of pyroclastic material. Maar is small and has protective screen of wall. It receives sediments that are restricted within small area.Diatoms are common in maar lake. As a result of different adaptation to temperature and phototrophy, they have different shapes in different seasons. In the absence of diatom, we can distinguish varyes according to the sedimentary rhythm. These varyes recorded paleoclimate changes like tree rings. If we collaborate varve chronology with the absolute dating, we can establish high resolution time series of palaeoclimate,which may be valuable for studying climatic events influenced by the periodicity of sun spot and other short periodicity events such as El Nino.There are a lot of volcanoes in China. Among them, there are some maars. It is hoped that geological sequences from maars comparable with loess, ice core and deep-sea core will soon be available for palaeoclimatic analysis.

火山活动是影响全球变化的重要因素之一,玛珥湖和纹泥年代学是近年来古气候研究的新领域。玛珥湖由于其独特的封闭性及其物化条件,使之成为古环境变迁信息的理想载体。纹泥年代学是高分辨率研究过去全球变化的重要手段。玛珥湖的现存状态可以分为空型、湖型、沼泽型和干枯型。纹泥是某些玛珥湖中比较常见的一种沉积构造,它的形成需要一种精细的平衡。硅藻作为纹泥的一个重要组成部分,对光量、温度和各种无机盐反应敏锐,具有重要的古环境意义。能否制作完好的沉积物薄片是纹泥年代学成功与否的关键,本文对纹泥年代学的具体操作方法做了扼要介绍。中国有广泛的火山分布,其中不乏玛洱湖的存在,对之进行详细研究,不仅可以获得可与黄土、冰芯和深海岩芯相媲美的古气候序列,而且可以解决古气候学中某些难题。

The methods for evaluating the level of short term climate prediction are introduced. Then the characteristics of relative coefficient ( R ), skill scores ( S ) and accuracy ( P ) are compared, and the level of present prediction is shown. Finally, the predictability of short term climate forecast is discussed, and it is pointed out that the theoretical limit of the lead time in monthly and seasonal scale prediction is about 6 12 months and that of the accuracy ( P ) is 80% 85%.

该文系统地介绍了国内外评估月、季尺度短期气候预测结果的方法 ,比较了相关系数(R)、预报技巧分 (S)和准确率 (P)的特点 ,并对当前国内外气候预测业务水平进行了分析 ,着重对大气环流、气温、降水及 ENSO的预测水平进行了评估 ,指出国内外月、季尺度的降水预报的水平目前在 55%~ 60 %左右 ,对 ENSO的发生、结束和强度的预报水平有限 .文中探讨了短期气候预测的可预报性问题 ,提出月、季尺度气候预测的可预报性的理论上限可能为 6~ 1 2月 ,准确率在 80 %~ 85%之间 .

 
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