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首页> 美国卫生研究院文献>Springer Open Choice >Autonomous field measurements of CO2 in the atmospheric column with the miniaturized laser heterodyne radiometer (Mini-LHR)
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Autonomous field measurements of CO2 in the atmospheric column with the miniaturized laser heterodyne radiometer (Mini-LHR)

机译：小型激光外差辐射计（Mini-LHR）在大气柱中自主测量CO2

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摘要

We present column CO2 measurements taken by the passive miniaturized laser heterodyne radiometer (Mini-LHR) at 1611.51 nm at the Mauna Loa Observatory in Hawaii. The Mini-LHR was operated autonomously, during the month of May 2013 at this site, working in tandem with an AERONET sun photometer that measures aerosol optical depth at 15-min intervals during daylight hours. Laser heterodyne radiometry has been used since the 1970s to measure atmospheric gases such as ozone, water vapor, methane, ammonia, chlorine monoxide, and nitrous oxide. This iteration of the technology utilizes distributed feedback lasers to produce a low-cost, small, portable sensor that has potential for global deployment. Applications of this instrument include supplementation of existing monitoring networks to provide denser global coverage, providing validation for larger satellite missions, and targeting regions of carbon flux uncertainty. Also presented here are preliminary retrieval analysis and the performance analysis that demonstrate that the Mini-LHR responds extremely well to changes in the atmospheric absorption.
机译：我们介绍了夏威夷毛纳罗亚天文台用被动式微型激光外差辐射计（Mini-LHR）在1611.51 nm处进行的柱CO2测量。 Mini-LHR于2013年5月在此站点上自主运行，与AERONET太阳光度计协同工作，该光度计在白天以15分钟为间隔测量气溶胶光学深度。自1970年代以来，激光外差辐射法已用于测量大气气体，例如臭氧，水蒸气，甲烷，氨，一氧化氯和一氧化二氮。该技术的这种迭代利用分布式反馈激光器来生产低成本，小型，便携式传感器，该传感器具有全球部署潜力。该仪器的应用包括对现有监测网络的补充，以提供更密集的全球覆盖，对较大的卫星任务进行验证以及针对碳通量不确定性区域。本文还介绍了初步的检索分析和性能分析，这些结果表明Mini-LHR对大气吸收的变化响应非常好。

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