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Relation between the Atmospheric Boundary Layer and Impact Factors under Severe Surface Thermal Conditions

机译：严重表面热条件下大气边界层与影响因子之间的关系

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摘要

This paper reported a comprehensive analysis on the diurnal variation of the Atmospheric Boundary Layer (ABL) in summer of Badain Jaran Desert and discussed deeply the effect of surface thermal to ABL, including the Difference in Surface-Air Temperature (DSAT), net radiation, and sensible heat, based on limited GPS radiosonde and surface observation data during two intense observation periods of experiments.Theresults showed that (1) affected by topography of the Tibetan Plateau, the climate provided favorable external conditions for the development of Convective Boundary Layer (CBL), (2) deep CBL showed a diurnal variation of three- to five-layer structure in clear days and five-layer ABL structure often occurred about sunset or sunrise, (3) the diurnal variation of DSAT influenced thickness of ABL through changes of turbulent heat flux, (4) integral value of sensible heat which rapidly converted by surface net radiation had a significant influence on the growth of CBL throughout daytime.The cumulative effect of thick RML dominated the role after CBL got through SBL in the development stage, especially in late summer, and (5) the development of CBL was promoted and accelerated by the variation of wind field and distribution of warm advection in high and low altitude.
机译：本文报告了对Badain Jaran沙漠夏季大气边界层（ABL）的昼夜变化进行了综合分析，并深入讨论了表面热对ABL的影响，包括表面空气温度（DSAT），净辐射的差异，基于有限的GPS无线电葡萄酒和表面观察数据在两个激烈的观察期间，显着的热量。检查结果显示（1）受藏高原地形影响，气候为对流边界层的发展提供了有利的外部条件（CBL ），（2）深CBL在晴天中显示出三个 - 五层结构的昼夜变化，并且五层ABL结构经常发生在日落或日出时，（3）DSAT的差异影响ABL的厚度通过变化湍流热通量，（4）明智的热量的积分值，其迅速由表面净辐射转化对综合性荷的生长产生了重大影响IME。厚度RML的累积效果主导CBL在开发阶段的SBL之后的作用，特别是在夏末，（5）通过风场的变化和温暖平流分布的促进和加速CBL的发展高海拔高度。

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  • 来源
    《Advances in Meteorology》 |2017年第1期|共12页
  • 作者

    Yinhuan Ao; Jiangang Li; Zhaoguo Li; Shihua Lyu; Cailian Jiang; Minzhong Wang;

  • 作者单位

    Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions Northwest Institute of Eco-Environment and Resources Chinese Academy of Sciences Lanzhou 730000 China;

    Institute of Desert Meteorology CMA Urumqi 830002 China;

    Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions Northwest Institute of Eco-Environment and Resources Chinese Academy of Sciences Lanzhou 730000 China;

    Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions Northwest Institute of Eco-Environment and Resources Chinese Academy of Sciences Lanzhou 730000 China;

    Wujiaqu Meteorology Bureau Wujiaqu 831300 China;

    Institute of Desert Meteorology CMA Urumqi 830002 China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 大气科学（气象学）;
  • 关键词

    Relation between; Atmospheric Boundary; Severe Surface Thermal Conditions;

    机译：之间的关系;大气边界;严重的表面热条件;

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