| 黄河源地区近地面逆温层特征及形成原因分析 |
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| 引用本文： | 刘金青,聂永喜,周措毛.黄河源地区近地面逆温层特征及形成原因分析[J].高原山地气象研究,2020,40(2):78-82. |
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| 作者姓名： | 刘金青 聂永喜 周措毛 |
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| 作者单位： | 青海省达日县气象局,达日 814299;青海省贵南县气象局,贵南 813199;青海省果洛藏族自治州气象局,玛沁 814000 |
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| 基金项目： | 青海省气象局气象科研面上项目“达日地区近地面逆温层特征及形成原因分析”(201823) |
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| 摘 要： | 利用黄河源地区达日国家基准气象站2008～2017a近10a的探空、地面观测资料，分析黄河源地区近地面逆温层特征及形成原因，结果表明:(1)黄河源地区逆温层的出现频率、厚度、强度在不同时次随季节有明显的变化；(2)云量的多少、低空风速的大小对逆温的产生及强弱直接有关，逆温层下常伴有露、霜、雾等天气现象出现，逆温层上下空气湿度存在着明显的差别；(3)黄河源地区的逆温是在气候背景、地理条件、天气条件共同影响下，地面辐射作用的结果。
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| 关 键 词： | 黄河源地区 逆温层 形成原因 |
| 收稿时间： | 2020-04-26 |
Analysis of the Characteristics and Formation Causes of the Near-Surface Inversion Layer in Headwater Region of Yellow River |
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| Affiliation: | 1. Dari Meteorological Bureau, Dari 814299, China;2. GuinanMeteorological Bureau, Guinan 813199, China;3. GuoluoMeteorological Bureau, Maqin 814000, China |
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| Abstract: | Based on the data of sounding andsurface observation from 2008 to 2017a at dari National Reference Station inthe Headwater Region of Yellow River,the characteristics and causes of the near-surfaceinversion layer in the Headwater Region of Yellow River are analyzed.The resultsshow that:(1)Thefrequency,thickness and intensity of inversion layer in theHeadwater Region of Yellow River vary with seasons.(2) The amount of cloud and the size of low-level wind speed are directly related to the generation and strength of inversion.Under the inversion layer, there are often accompanied by dew,frost,fogand other weather phenomena, there are obvious differences in the air humidity between the upper and lower parts of the inversion layer. (3) The inversion in the Headwater Region of Yellow River is the result of surfaceradiationunder the influence of climate background,geographical conditions and weatherconditions. |
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