文化大學機構典藏 CCUR:Item 987654321/53403
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    Please use this identifier to cite or link to this item: https://irlib.pccu.edu.tw/handle/987654321/53403


    Title: 中小尺度對流系統先期肇始之觀測研究
    Observational Study on the Early Initiation of Mesoscale and Microscale Convection Systems
    Authors: 蔡嘉倫
    Contributors: 中國文化大學大氣科學系
    Keywords: 中小尺度對流系統
    降水系統早期肇始
    對流降水機制
    氣象雷達
    雲雷達
    掃描式光達
    WISSDOM
    晴空之三維風場與熱力場
    Early Initiation of Mesoscale and Microscale Convection Systems
    The mechanism of convection precipitation
    meteorological radar
    3D winds and thermodynamic fields
    cloud radar
    scanning Doppler lidars
    WISSDOM (Wind Synthesis System using Doppler Measurements)
    Date: 2023
    Issue Date: 2024-06-07 16:18:59 (UTC+8)
    Abstract: 對流降水的機制在理論及模擬上雖已有討論,但在觀測上的相關研究卻相對缺乏。原因在於中小尺度對流系統其生命期較短、空間尺度較小,傳統的地面測站與探空並無法充分地描述其動力及熱力結構與過程。一般氣象雷達所觀測到的現象常為已經發展中的對流降水過程,對於早期對流的肇始仍無法提供完整的資訊。而雲雷達與掃描式光達可觀測到更小粒徑的降水粒子與晴空條件下的徑向風場,再透過WISSDOM反演出地形上高空間解析度的三維風場與熱力場。本研究主要利用觀測的角度瞭解穩定度、水汽、氣流與地形的交互作用與中小尺度對流降水系統早期肇始的關係與機制。預期能提昇對降水位置、強度的掌握,增進模式預報準確度,也達到減災防災的效果。
    Appears in Collections:[Department of Atmospheric Sciences & Graduate Institute of Earth Science / Atmospheric Science ] project

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