其上是对流层顶，它是对流层的上部边界。
Next comes the tropopause, which is the upper boundary of the troposphere.
通常对流层温度直到对流层顶都是随高度增加而不断地减小的。
As a rule, the temperature in the troposphere decreases steadily with increasing altitude until the tropopause is reached.
不考虑火山爆发的影响，1996年后对流层顶温度有所升高。
The TTL temperature has been increasing since 1996 without considering the impact of Pinatubo volcanic eruption.
急流爆发的诊断研究：动能特征及其雨对流层顶连续扰动的关系。
Diagnostic Study of Jet Streaks: Kinematic Signatures and Relationship to Coherent Tropopause Disturbances.
对流层顶是一个中间层次，据观测，其温度是逆温或是等温分布。
The tropoause is an intermediate layer in which either a temperature in version or an isothermal temperature distribution is observed.
在纽约上空的射流层（对流层顶）附近，风能密度可达16千瓦每平方米。
Up near the jet stream above New York, the wind power density can reach 16 kilowatts per square meter.
最大偏差主要发生在近地面大气层、对流层顶附近和地形复杂的陆地区域。
The largest differences are near the ground and in tropopause region, particularly over the land with complicated topography.
近30年春、夏季高原臭氧总量亏损与夏季高原第二对流层顶高度的抬升存在着密切关系。
There are close relations between the losses of total ozone in spring and summer and the uplift of the second tropopause height in summer over the Qinghai-Xizang Plateau in recent 30 years.
对流层顶折叠使高空臭氧向下输送，这种向下的输送可以到达对流层中部，对上对流层的臭氧影响最大。
The downward transport of ozone due to tropopause folding can reach middle part of troposphere, which has the most influence on the ozone in the upper troposphere.
如果你身处热带，这两大气层的分界线——对流层顶离你的头顶约18公里高；如果在高纬度地区(或高山上)则少几公里。
The boundary between the two, the tropopause, is about 18km above your head, if you are in the tropics, and a few kilometres lower if you are at higher latitudes (or up a mountain).
从平均对流层顶高度的年变化看来，对流层顶高度与平流层低层温度呈负相关，与对流层温度呈正相关，且存在季节差异。
From annual change of the tropopause height, it was negatively related to lower stratospheric temperature and positively associated with the troposphere temperature, and there was seasonal difference.
对我国1980 ~ 2007年120个观测站的探空资料进行处理后，分别计算得出对流层顶高度、对流层温度和平流层低层温度。
Based on sounding data of 120 meteorological observation stations in China from 1980 to 2007, the height of tropopause, tropospheric temperature and temperature at low stratosphere were calculated.
结果表明：高原上空h 2o混合比在对流层上层随高度迅速减少，在对流层顶和平流层底达到极小值，平流层里水汽混合比随高度增加。
The results show that the H2O mixing ratio decreases with height in upper troposphere quickly reaches a minimum near the tropopause and the bottom of stratosphere; and then it increases.
该数据还分析了天气变化对巴基斯坦大洪水和俄罗斯热浪的推动作用，认为六月到八月的一场“异常强烈的（对流层顶的）射流”是最终原因。
The analysis also tracked weather changes that contributed to massive floods in Pakistan and a heat wave in Russia, saying an "unusually strong jet stream" from June to August was to blame.
分析大气监测资料、TOMS臭氧总量资料和NCEP大气环流资料表明，大气臭氧总量随着对流层顶的低一高一低变化呈高一低一高的变化过程。
Analysis of the observational data, the TOMS total ozone, and NCEP circulation, shows that the atmospheric ozone amount experienced a high-low-high variation with low-high-low tropopause altitude.
最终，模式在整体系统误差上取得较大改进，对流层顶的温度场和风场误差明显减小，降水结构和降水强度显著改进，并且未见“双赤道辐合带”的现象。
Precipitation is dramatically improved both in the amount and the structure. Another advantage is that the false structure of "double Intertropical Convergence Zone (ITCZ)"is not seen in the result.
结果表明，采用这两种定义下的对流层顶时，穿越对流层顶的质量和臭氧通量都表现出在热带纬度带为TST通量， 到了副热带则转换为STT通量。
The results show that when the two kinds of tropopause are used, the mass and ozone fluxes cross tropopause in tropical latitudes are TST flux areas, and convers to the STT flux in the sub\|tropics.
通过对比模拟发现：对流层中臭氧的增加基本使大气顶晴空辐射强迫为正；
Based on the analysis, the increasing of ozone in troposphere can lead to almost positive clear sky radiative forcing at top of atmosphere.
通过对比模拟发现：对流层中臭氧的增加基本使大气顶晴空辐射强迫为正；
Based on the analysis, the increasing of ozone in troposphere can lead to almost positive clear sky radiative forcing at top of atmosphere.
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