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热平流
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  heat advection
     Dynamical Mechanism of Atmospheric Rossby Waves Modulated by Heat Advection due to the Lunar Tidal Winds
     月亮潮汐风热平流影响大气罗斯贝波的动力学机制(英文)
短句来源
     The Flux-Profile Relationships under the Condition of Heat Advection over Moist Surface
     热平流影响下湿润地表的通量-廓线关系
短句来源
     In this paper,the classical Businger-Dyer's flux-profile relationships are simply modified by nonlinear actions under the condition of heat advection over moist surface.
     在有热平流影响的湿润地表,对Businger—Dyer创立的经典通量-廓线关系作了简单的非线性作用修正。
短句来源
     The nonlinear factor α'v is analysed and discussed theoretically with simplified forms of turbulent heat flux equation and water vapour flux equation. It is shown that α'v is less than 1 under the condition of heat advection over moist surface. Then the simplified relationship between α'v and ζis deduced from theoretical equations.
     并利用热量和水汽输送方程两种不同简化方程分别对非线性修正因子α′v进行了理论分析和讨论,表明在热平流影响下的湿润地表α′v<1,且由理论方程推导出一个α′v与ζ的简化关系式。
短句来源
     According to the characteristics of vertical thermal structure of intermediate cold water, and considering the sea surface thermal and dynamical forcing factors, the shear stress and entrainment heat exchange in the interfaces of water layers, heat advection, mixing and topographic effect, firstly the closed ly relevant equations are derived by vertical integrating whole ocean and each layer, respectively based on primitive momentum, continuity and heat conduction equations. The equations can describe wind driven interface fluctuation, the mean velocity and temperature fields in each layer.
     根据含中层冷水海洋垂直热结构的特征 ,将其分为 4层 ,并考虑来自海面的热力和动力强迫因子、水层界面剪切应力和卷挟热交换、热平流、混合及地形影响等条件下 ,从原始动量、连续方程组及热传导方程出发 ,对整个海洋和各水层分别进行垂向积分 ,导出相应的描述风生界面起伏、各水层平均流场和温度场的闭合方程组 .
短句来源
  thermal advection
     It is shown from the study results that (1) in spring, the formation of NWW is mainly due to the sea surface net heat flux, and the contribution of the thermal advection and the entered warm water from Sulu Sea or the area south of the Sunda Shelf are small;
     结果表明:(1)在春季,南沙暖水的形成主要来自海面净热通量的贡献,而通过热平流、苏禄海或巽它陆架以南的暖水进入的贡献甚小;
短句来源
     (2) in winter, the strength of the current field in the Nansha Islands sea areas increases, and the contribution of the thermal advection is greater than or equal to that of the sea surface net heat flux, so the drop in sea temperature is greater than that in other deep sea areas, but the sea temperature in the sea area still keeps high because the initial sea temperature field in the preceding season is higher;
     (2)在冬季,南沙群岛海区流场强度增大,热平流项的贡献大于或等于海面净热通量的贡献,海温的降低幅度也较其他深海区的要大。 但由于该海区在此前的季节中初始温度场较高,因而使得该海区的海温仍保持较高的水平;
短句来源
  “热平流”译为未确定词的双语例句
     Daily sensible heat fluxes were turned to be negative in the late growth period of maize.
     玉米生长的后期有热平流输入 ,日平均显热通量转为负值 .
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  heat advection
As a result, the change in surface heat content is roughly half due to ocean-atmosphere heat exchange and half due to heat advection by remotely forced vertical motion.
      
Vein and metasomatic assemblages formed during a single fluid-rock interaction process, implying high heating rates (≥100?°C/Ma), which could result from heat advection by large-scale fluid circulation.
      
A phase of mantle upwelling and heat advection into the crust is proposed to be the reason for this short-episodic magmatic pulse.
      
The heat advection in the lower crust by injected mantle melts was sufficient to produce crustal partial melts in lower crustal levels.
      
The influence of anomalous drift heat advection is about 30-50% of the SSTA, and the influence of salinity anomalies is about 10-25% and less.
      
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  thermal advection
Oceanic thermocline anomalies propagate northward in the western Pacific, and lag the atmosphere indicating a disequilibrium with the atmosphere; sub-surface thermal advection appears to play an important role.
      
The thermal advection of the atmosphere disturbance weakens the SSTA pattern in the following autumn and winter.
      
Ocean mixed-layer thermal budget shows that the atmospheric surface flux is a major process responsible for SST variation while thermal advection and thermal entrainment play a secondary role.
      
Furthermore, thermodynamic equation analyses revealed that the leading edge of the cold surge was maintained primarily by meridian thermal advection, while diabatic heating, vertical and zonal thermal advections were less important.
      
Thermal advection in the tropical Atlantic upper layer
      
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In this paper, the sensible heat flux and the latent heat flux have been calculated using the heat balance method and the information based on the dry bareland with windbreak and the moist winter wheat field. The results are. in the dry bareland with windbreak, 45% of the net radiation is dispersing as sensible heat flux,.35% as latent heat flux, and only 20% is stored in soil. The Bowen ratio is greater, usually within range -2<β<2. In the moist winter wheat field, almost all the net radiation contributes to...

In this paper, the sensible heat flux and the latent heat flux have been calculated using the heat balance method and the information based on the dry bareland with windbreak and the moist winter wheat field. The results are. in the dry bareland with windbreak, 45% of the net radiation is dispersing as sensible heat flux,.35% as latent heat flux, and only 20% is stored in soil. The Bowen ratio is greater, usually within range -2<β<2. In the moist winter wheat field, almost all the net radiation contributes to the latent heat flux. But the sensible heat flux almostly appears negative in the whole day.The soil heat flux content is only 5% of the net radiation. The Bowen ratio usually within range - 1<β<1. In this paper, the errors of the Bowen ratio and the flux are also discussed.

本文采用防风林干旱裸田和湿润小麦植被农田中的实测资料,应用热量平衡方法,计算了近地面层各通量密度。结果表明:在干旱防风林裸田中,净辐射的45%左右作为感热而散失,蒸发潜热只占35%左右,而土壤贮存的热量约占20%,并且林网具有明显的湿润空气效应。在湿润的小麦植被农田上,几乎净辐射的全部热量都用于潜热蒸散。有较强热平流时,潜热蒸发项甚至大于净辐射项。而感热几乎全天为负值。土壤热通量密度的比例只占净辐射的5%左右。文中对波文比及各通量密度做了误差分析。

Based on the observation of microclimate at wheat land in 1990 and 1991, this paper has analysised the basic characteristics of wheat land microclimate near desert in Tarim Basin. The change of air temperature near the top of wheat is a little different from that near bare land surface here, and is between large oasis and desert, Air humidity and wind speed near the top of wheat are quite related to the growth periods and wheat land microclimate are also affected by the arid and hot air flowing from desert.

本文利用1990年和1991年中国科学院阿克苏水平衡站麦田小气候观测资料,分析了气温、湿度、风的小气候变化。结果表明,由于受干旱荒漠的干热平流影响,小面积无防护林的农田与裸地近地面的气温相近,空气湿度有明显差别,农田上方空气湿度的垂直梯度较大;作物各生长期对风速的制动作用也不同。接近荒漠的农作物易受到高温等危害。

The present paper consists of two different parts. The first part describes the averaged characteristics of the thermocline in the South China Sea. Investigation data collected at home and abroad from 1907 to 1990 are analyzed season by season. The statistical charcteristics of the thermocline in the South China Sea are discussed. The results show that the thermocline is of two types. One has radiative characteristics, and mainly appears in the northern shelves of the South China Sea, has evident annual variation,...

The present paper consists of two different parts. The first part describes the averaged characteristics of the thermocline in the South China Sea. Investigation data collected at home and abroad from 1907 to 1990 are analyzed season by season. The statistical charcteristics of the thermocline in the South China Sea are discussed. The results show that the thermocline is of two types. One has radiative characteristics, and mainly appears in the northern shelves of the South China Sea, has evident annual variation, and is notably the strongest in summer, weakest in winter. The other results from the interaction between the seawater masses, exist in the broad deep sea all the year round, and have no variation. The analysis also shows that the thermocline relates to the wind, sea current, tide and so on.The calculated pattern of the thermocline is presented in the second part. Based on some assumptions, the thermocline is studied by means of the one-dimensional heat balance equation for the northern South China Sea. Although it is simple, the calculated pattern agrees well with the observation results. The relative errors are only about 16%, 17%, and 20% in the thermocline depth, thickness and intensity, respectively.

根据现有1907—1990年南海大面调查资料,按1°×1°网格进行逐月的标准水层的温度统计。在此基础上采用3次样条函数的插值方法计算出整个南海温跃层的深度、厚度和强度并予以相应分析。分析表明,南海温跃层主要分为两种类型:第一类为辐射型,主要分布在南海北部的陆架区内,季节变化显著;第二类为不同水体叠置型,主要分布在广大深水区,它长年存在,季节变化较小。一种温跃层的一维积分预报模式,该模式是基于忽略热平流作用和水平热扩散的前提下,从局部热平衡方程出发,建立了受海面热收支及风混合作用下求解温度垂直分布及温跃层的时空变化。在南海北部水深约300m处进行了单站温跃层后报,结果表明,温跃层的深度、厚度和强度的相对误差均在30%以下。

 
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