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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Tropical tropopause layer characteristics observed at different scales over the complete Indian region using INSAT-3D sounder measurements
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Tropical tropopause layer characteristics observed at different scales over the complete Indian region using INSAT-3D sounder measurements

机译:使用INSAT-3D发声器测量,在完整的印度区域不同尺度观察到的热带对象层特征

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摘要

Several studies were carried out for understanding the temporal variability of the tropopause characteristics using radiosonde measurements. This paper investigates the variability of tropopause characteristics using INSAT-3D temperature profiles. The seasonal mean of cold point tropopause temperature (CPT) and corresponding pressure (CPH), convective tropopause temperature (COT) and corresponding pressure (COH) obtained from the hourly temperature profiles of the INSAT-3D represents the actual seasonal average of the tropopause parameters devoid of short-term perturbations like tides and high frequency gravity waves. Below 20 degrees N, the CPT is colder and higher but this relation disappears in subtropics. The effect of tides and high frequency gravity waves on the tropopause temperatures are briefly outlined. The diurnal variability in CPT over Gadanki obtained from INSAT-3D and radiosonde are compared. It is shown that INSAT-3D can be effectively utilized to delineate the tropical tropopause characteristics.
机译:进行了几项研究,以了解使用无线电探测器测量来了解对流性特性的时间可变性。本文研究了使用INSAT-3D温度型材的对流性特性的可变性。冷点对流度温度(CPT)和相应的压力(CPH),对流热门温度(COT)和相应的压力(COH)的季节性平均值从INSAT-3D的小时温度分布中获得的对象季节平均值没有像潮汐和高频重力波一样的短期扰动。低于20度N,CPT更冷,更高,但这种关系在副数据中消失。简要概述了潮汐和高频重力波对对流层压的影响。比较了从Insat-3D和无线电探测仪中获得的CPT中的昼夜变异性。结果表明,可以有效地利用INSAT-3D来描绘热带对流层的特征。

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