对流
中尺度气象学
夹带(生物音乐学)
中尺度对流系统
环境科学
浮力
降水
雨带,雨带
大气科学
高原(数学)
气候学
气象学
日循环
地质学
机械
物理
节奏
数学分析
数学
声学
作者
Yue Huang,Wei Xin Cheng,Shenming Fu,Jianhua Sun,Juanjuan Liu
摘要
Abstract Tibetan Plateau mesoscale convective systems (TP_MCSs) shape regional weather and precipitation, yet their thermodynamical and dynamical background characteristics, and microphysical structures remain poorly understood due to sparse observations. To address this research gap, we integrate a 7‐year TP_MCS database with ERA5 reanalysis and satellite observations to construct vertical profiles, enabling a systematic examination of TP_MCSs' structures. Results reveal distinct stage‐dependent characteristics, with peak convective intensity, the lowest 0°C level, the largest hydrometeor diameters, and maximum rainfall rates during the development stage. TP_MCSs' convection intensity is modulated through coupled thermodynamical (temperature, humidity), dynamical (vertical motion, moisture transport), and microphysical (hydrometeor characteristics) interactions that regulate buoyancy, latent heating, and entrainment processes. Moreover, TP_MCSs' precipitation is governed by competing enhancement (buoyancy, moisture transport) and suppression (dry, cold entrainment) mechanisms. These findings are helpful to improve understanding of TP_MCSs' vertical structure and aid convection parameterization in climate models.
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