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热平流
相关语句
  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
  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
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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.
      
更多          
  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.
      
更多          


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。

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.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.A set o f closed...

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.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.A set o f closed equations is composed by the modified similarity relationships and the expression,which is obtained by parameterization,of α'v.α'v and other characteristic parameters are obtained by data in HEIFE area.The empirical relationships between α'v and all other parameters are fitted.

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。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。最后,用经参数化后得到的α′v表达式和修正后的相似性关系式联立构成的闭合方程组,以及用HEIFE的资料求解出αv及其它特征参数,并且拟合出αv与某些特征参数的经验关系。

 
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