A novel method for ground-based and mobile remote sensing of profiles of cloud microphysical properties using scanning radiometry supplemented by Lidar

一种利用扫描辐射测量并辅以激光雷达的地面和移动遥感云微物理特性剖面的新方法

• 批准号: 194002779
• 负责人: Dr. Evelyn Jäkel
• 金额: --
• 依托单位: Meteorologisches Institut
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2011
• 资助国家: 德国
• 起止时间: 2010-12-31 至 2014-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/194002779?language=en
• 关键词: novel; method; ground; based; mobile

Aim of the project is to develop and apply a novel, ground-based combined passive and active remote sensing method to retrieve vertical profiles of microphysical parameters of convective clouds. Information will be obtained on the vertical evolution (from cloud base to anvil) of the cloud microphysical structure and on the onset of precipitation in growing convective cloud elements. Radiance measurements of spectral solar radiation reflected by convective clouds (passive) will be combined with Lidar data (active). The cloud sides will be scanned synchronously (temporally and spatially) by both instruments. A new retrieval method will be developed to derive vertical profiles of cloud thermodynamic phase (liquid water or ice) and effective droplet and particle radius from the measurements. The threedimensional (3D) nature of convective clouds will be explicitely considered in the microphysical retrievals by applying a 3D radiative transfer model. The results of this project will also serve as a proof-of-concept for applications on future airborne (HALO, in particular) and satellite missions.

该项目的目的是开发和应用一种新的地面被动与主动相结合的遥感方法来检索对流云的微物理参数垂直剖面。将获得有关云微物理结构的垂直演变（从云底到云顶）和对流云元生长中降水开始的资料。被对流云（被动）反射的光谱太阳辐射的辐射强度测量将与激光雷达数据（主动）相结合。两种仪器将同步（时间和空间）扫描云面。将开发一种新的检索方法，从测量中获得云热力学相（液态水或冰）的垂直剖面和有效液滴和粒子半径。通过应用三维辐射传输模型，对流云的三维性质将在微物理检索中明确考虑。该项目的结果还将作为未来机载（特别是HALO）和卫星任务应用的概念验证。

项目成果

Vertical distribution of the phase state of particles in tropical deep-convective clouds as derived from cloud-side reflected solar radiation measurements

• DOI: 10.5194/acp-2017-64
• 发表时间: 2017-02
• 期刊: Atmospheric Chemistry and Physics
• 影响因子: 6.3
• 作者: E. Jäkel;M. Wendisch;T. Krisna;Florian Ewald;T. Kölling;T. Jurkat;C. Voigt;M. Cecchini;L. Machado

Directional, horizontal inhomogeneities of cloud optical thickness fields retrieved from ground-based and airbornespectral imaging

从地基和机载光谱成像中检索的云光学厚度场的方向性、水平不均匀性

• DOI: 10.5194/acp-17-2359-2017
• 期刊: Atmospheric Chemistry and Physics
• 影响因子: 6.3
• 作者: Schäfer;Bierwirth;Ehrlich;Jäkel;Werner;Wendisch
• 通讯作者: Wendisch

Thermodynamic phase retrieval of convective clouds: impact of sensor viewing geometry and vertical distribution of cloud properties

• DOI: 10.5194/amt-6-539-2013
• 发表时间: 2013-01-01
• 期刊: ATMOSPHERIC MEASUREMENT TECHNIQUES
• 影响因子: 3.8
• 作者: Jaekel, E.;Walter, J.;Wendisch, M.
• 通讯作者: Wendisch, M.