Variations in intensity of Bay of Bengal tropical cyclones with surface latent heat flux and other parameters

IF 0.7 4区 地球科学 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES
MAUSAM Pub Date : 2023-12-31 DOI:10.54302/mausam.v75i1.765
P. Naskar, Dushmanta R. Pattanaik
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引用次数: 0

Abstract

This study has been undertaken to find out the variation of central pressure (intensity) of intense Tropical Cyclones (TCs) with Sea Surface Temperature (SST), Mid-tropospheric Relative Humidity (MRH), Mid-tropospheric Instability (MI), Vertical Wind Shear (VWS), 200-hPa divergence, and Surface Latent Heat Flux (SLHF) during the lifetime intense TCs. This study also aims to determine the most crucial parameter which shows the highest correlation with central pressure (intensity) of intense TCs during their lifetime. Out of all these parameters, SLHF is highly correlated (R = 0.74) with the central pressure (intensity) of intense TCs. Increase and decrease of SLHF correspond to decrease and increase of TCs central pressure (increase and decrease in TCs intensity). The highest SLHF corresponds to the lowest central pressure (highest intensity).
孟加拉湾热带气旋强度随地表潜热通量和其他参数的变化
本研究旨在找出强烈热带气旋(TC)在其生命周期内的中心气压(强度)与海面温度(SST)、对流层中层相对湿度(MRH)、对流层中层不稳定性(MI)、垂直风切变(VWS)、200-hPa 背离和表面潜热通量(SLHF)的变化关系。本研究的目的还在于确定在强热带气旋生命周期内与中心气压(强度)相关性最高的最关键参数。在所有这些参数中,SLHF 与强热气旋的中心气压(强度)高度相关(R = 0.74)。SLHF的增大和减小与TC中心压力的减小和增大(TC强度的增大和减小)相对应。最高的 SLHF 与最低的中心压力(最高强度)相对应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
MAUSAM
MAUSAM 地学-气象与大气科学
CiteScore
1.20
自引率
0.00%
发文量
1298
审稿时长
6-12 weeks
期刊介绍: MAUSAM (Formerly Indian Journal of Meteorology, Hydrology & Geophysics), established in January 1950, is the quarterly research journal brought out by the India Meteorological Department (IMD). MAUSAM is a medium for publication of original scientific research work. MAUSAM is a premier scientific research journal published in this part of the world in the fields of Meteorology, Hydrology & Geophysics. The four issues appear in January, April, July & October.
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