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    Development and Application of a Compact, Tunable, Solid-State Airborne Ozone Lidar System for Boundary Layer Profiling

    Source: Journal of Atmospheric and Oceanic Technology:;2011:;volume( 028 ):;issue: 010::page 1258
    Author:
    Alvarez, R. J.
    ,
    Senff, C. J.
    ,
    Langford, A. O.
    ,
    Weickmann, A. M.
    ,
    Law, D. C.
    ,
    Machol, J. L.
    ,
    Merritt, D. A.
    ,
    Marchbanks, R. D.
    ,
    Sandberg, S. P.
    ,
    Brewer, W. A.
    ,
    Hardesty, R. M.
    ,
    Banta, R. M.
    DOI: 10.1175/JTECH-D-10-05044.1
    Publisher: American Meteorological Society
    Abstract: he National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Chemical Sciences Division (NOAA/ESRL/CSD) has developed a versatile, airborne lidar system for measuring ozone and aerosols in the boundary layer and lower free troposphere. The Tunable Optical Profiler for Aerosol and Ozone (TOPAZ) lidar was deployed aboard a NOAA Twin Otter aircraft during the Texas Air Quality Study (TexAQS 2006) and the California Research at the Nexus of Air Quality and Climate Change (CalNex 2010) field campaigns. TOPAZ is capable of measuring ozone concentrations in the lower troposphere with uncertainties of several parts per billion by volume at 90-m vertical and 600-m horizontal resolution from an aircraft flying at 60 m s?1. The system also provides uncalibrated aerosol backscatter profiles at 18-m vertical and 600-m horizontal resolution. TOPAZ incorporates state-of-the-art technologies, including a cerium-doped lithium calcium aluminum fluoride (Ce:LiCAF) laser, to make it compact and lightweight with low power consumption. The tunable, three-wavelength UV laser source makes it possible to optimize the wavelengths for differing atmospheric conditions, reduce the interference from other atmospheric constituents, and implement advanced analysis techniques. This paper describes the TOPAZ lidar, its components and performance during testing and field operation, and the data analysis procedure, including a discussion of error sources. The performance characteristics are illustrated through a comparison between TOPAZ and an ozonesonde launched during the TexAQS 2006 field campaign. A more comprehensive set of comparisons with in situ measurements during TexAQS 2006 and an assessment of the TOPAZ accuracy and precision are presented in a companion paper.
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      Development and Application of a Compact, Tunable, Solid-State Airborne Ozone Lidar System for Boundary Layer Profiling

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4227852
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    contributor authorAlvarez, R. J.
    contributor authorSenff, C. J.
    contributor authorLangford, A. O.
    contributor authorWeickmann, A. M.
    contributor authorLaw, D. C.
    contributor authorMachol, J. L.
    contributor authorMerritt, D. A.
    contributor authorMarchbanks, R. D.
    contributor authorSandberg, S. P.
    contributor authorBrewer, W. A.
    contributor authorHardesty, R. M.
    contributor authorBanta, R. M.
    date accessioned2017-06-09T17:23:52Z
    date available2017-06-09T17:23:52Z
    date copyright2011/10/01
    date issued2011
    identifier issn0739-0572
    identifier otherams-84508.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4227852
    description abstracthe National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Chemical Sciences Division (NOAA/ESRL/CSD) has developed a versatile, airborne lidar system for measuring ozone and aerosols in the boundary layer and lower free troposphere. The Tunable Optical Profiler for Aerosol and Ozone (TOPAZ) lidar was deployed aboard a NOAA Twin Otter aircraft during the Texas Air Quality Study (TexAQS 2006) and the California Research at the Nexus of Air Quality and Climate Change (CalNex 2010) field campaigns. TOPAZ is capable of measuring ozone concentrations in the lower troposphere with uncertainties of several parts per billion by volume at 90-m vertical and 600-m horizontal resolution from an aircraft flying at 60 m s?1. The system also provides uncalibrated aerosol backscatter profiles at 18-m vertical and 600-m horizontal resolution. TOPAZ incorporates state-of-the-art technologies, including a cerium-doped lithium calcium aluminum fluoride (Ce:LiCAF) laser, to make it compact and lightweight with low power consumption. The tunable, three-wavelength UV laser source makes it possible to optimize the wavelengths for differing atmospheric conditions, reduce the interference from other atmospheric constituents, and implement advanced analysis techniques. This paper describes the TOPAZ lidar, its components and performance during testing and field operation, and the data analysis procedure, including a discussion of error sources. The performance characteristics are illustrated through a comparison between TOPAZ and an ozonesonde launched during the TexAQS 2006 field campaign. A more comprehensive set of comparisons with in situ measurements during TexAQS 2006 and an assessment of the TOPAZ accuracy and precision are presented in a companion paper.
    publisherAmerican Meteorological Society
    titleDevelopment and Application of a Compact, Tunable, Solid-State Airborne Ozone Lidar System for Boundary Layer Profiling
    typeJournal Paper
    journal volume28
    journal issue10
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/JTECH-D-10-05044.1
    journal fristpage1258
    journal lastpage1272
    treeJournal of Atmospheric and Oceanic Technology:;2011:;volume( 028 ):;issue: 010
    contenttypeFulltext
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