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首页> 外文会议>Infrared spaceborne remote sensing and instrumentation XVI >Cross-validation of HIRDLS and COSMIC radio-occultation retrievals, particularly in relation to fine vertical structure
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Cross-validation of HIRDLS and COSMIC radio-occultation retrievals, particularly in relation to fine vertical structure

机译：HIRDLS和COSMIC无线电掩星检索的交叉验证，特别是在精细垂直结构方面

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摘要

The High Resolution Dynamics Limb Sounder (HIRDLS) instrument was launched on the NASA Aura satellite in July 2004. HIRDLS is a joint project between the UK and USA, and is a mid-infrared limb emission sounder designed to measure the concentrations of trace species, cloud and aerosol, and temperature and pressure variations in the Earth's atmosphere from the upper troposphere to the mesosphere. The instrument is intended to make measurements at both high vertical and horizontal spatial resolutions, but validating those measurements is difficult because few other measurements provide that vertical resolution sufficiently closely in time. However, the FORMOSAT-3/COSMIC suite of radio occultation satellites that exploit the U.S. GPS transmitters to obtain high resolution (～1 km) temperature profiles in the stratosphere does provide sufficient profiles nearly coincident with those from HIRDLS. Comparisons show a good degree intercorrelation between COSMIC and HIRDLS down to about 2 km resolution, with similar amplitudes for each, implying that HIRDLS and COSMIC are able to measure the same small scale features. The optical blockage that occurred within HIRDLS during launch does not seem to have affected this capability.
机译：高分辨率动力学肢体发声器（HIRDLS）仪器于2004年7月在NASA Aura卫星上发射。HIRDLS是英国和美国之间的一项联合项目，是一款中红外肢体发声器，旨在测量痕量物种的浓度，云和气溶胶，以及从对流层高层到中层大气层的温度和压力变化。该仪器旨在在高垂直和水平空间分辨率下进行测量，但是很难验证这些测量值，因为很少有其他测量能够在时间上足够接近地提供垂直分辨率。但是，利用美国GPS发射机获得平流层中高分辨率（〜1 km）温度剖面的FORMOSAT-3 / COSMIC无线电掩星卫星套件确实提供了与HIRDLS几乎一致的足够剖面。比较显示，在低至约2 km的分辨率下，COSMIC和HIRDLS之间存在良好的互相关性，每种互有相似的幅度，这意味着HIRDLS和COSMIC能够测量相同的小尺度特征。发射期间HIRDLS内部发生的光学障碍似乎并未影响此功能。

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  • 来源
  • 会议地点 San Diego CA(US)
  • 作者

    J. J. Barnett; C. L. Hepplewhite; S. Osprey; J.C. Gille; R. Khosravi;

  • 作者单位

    Oxford University Department of Physics, Clarendon Laboratory, Oxford 0X1 3PU, UK;

    Oxford University Department of Physics, Clarendon Laboratory, Oxford 0X1 3PU, UK;

    Oxford University Department of Physics, Clarendon Laboratory, Oxford 0X1 3PU, UK;

    Center for Limb Atmospheric Sounding, University of Colorado at Boulder, NCAR/UCB-CLAS, 3085 Center Green Drive, Boulder, CO 80301, USA;

    Center for Limb Atmospheric Sounding, University of Colorado at Boulder, NCAR/UCB-CLAS, 3085 Center Green Drive, Boulder, CO 80301, USA;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 V443.5;
  • 关键词

    HIRDLS; limb-viewing; infrared; Aura; COSMIC; radio-occultation; GNSSRO;

    机译：HIRDLS；肢体观察红外线;光环宇宙;无线电掩星；卫星导航系统;

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