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    Field Evaluation of a Dual-Channel Microwave Radiometer Designed for Measurements of Integrated Water Vapor and Cloud Liquid Water in the Atmosphere

    Source: Journal of Atmospheric and Oceanic Technology:;1987:;volume( 004 ):;issue: 001::page 204
    Author:
    Heggli, Mark
    ,
    Rauber, Robert M.
    ,
    Snider, J. B.
    DOI: 10.1175/1520-0426(1987)004<0204:FEOADC>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The dual-channel microwave radiometer is evaluated in regard to the measurement of integrated water vapor and supercooled liquid water. The study includes comparisons of integrated vapor content measured by the radiometer and rawinsondes as part of the Sierra Cooperative Pilot Project in the central Sierra Nevada. In addition, two radiometers with virtually identical characteristics were brought together on the Colorado Orographic Seeding Experiment at Steamboat Springs, Colorado, in order to study the stability and comparability of integrated vapor and liquid measurements. Comparison of vapor measurements by the radiometer and by rawinsonde yielded a correlation coefficient of 0.94, and a rms difference of 0.08 cm. There were no significant differences between results for paired data gathered in storms in the presence of supercooled liquid water and for paired data gathered on clear days under more ideal conditions. The collocated-radiometer experiment showed slightly closer agreement than did the comparisons of radiometer data with rawinsondes. Comparisons of paired data from the vapor channel yielded a correlation coefficient of 0.95 with a rms difference of 0.05 cm, while the liquid water channel data yielded a correlation coefficient of 0.99 with a rms difference of 0.02 mm. The study lends further credence to other theoretical estimations of the accuracy of the radiometer measurement, in that the measured values of integrated vapor are probably within 15% of truth. Measurements of supercooled liquid water are reproducible and very stable.
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      Field Evaluation of a Dual-Channel Microwave Radiometer Designed for Measurements of Integrated Water Vapor and Cloud Liquid Water in the Atmosphere

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4164955
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    contributor authorHeggli, Mark
    contributor authorRauber, Robert M.
    contributor authorSnider, J. B.
    date accessioned2017-06-09T14:50:20Z
    date available2017-06-09T14:50:20Z
    date copyright1987/03/01
    date issued1987
    identifier issn0739-0572
    identifier otherams-279.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4164955
    description abstractThe dual-channel microwave radiometer is evaluated in regard to the measurement of integrated water vapor and supercooled liquid water. The study includes comparisons of integrated vapor content measured by the radiometer and rawinsondes as part of the Sierra Cooperative Pilot Project in the central Sierra Nevada. In addition, two radiometers with virtually identical characteristics were brought together on the Colorado Orographic Seeding Experiment at Steamboat Springs, Colorado, in order to study the stability and comparability of integrated vapor and liquid measurements. Comparison of vapor measurements by the radiometer and by rawinsonde yielded a correlation coefficient of 0.94, and a rms difference of 0.08 cm. There were no significant differences between results for paired data gathered in storms in the presence of supercooled liquid water and for paired data gathered on clear days under more ideal conditions. The collocated-radiometer experiment showed slightly closer agreement than did the comparisons of radiometer data with rawinsondes. Comparisons of paired data from the vapor channel yielded a correlation coefficient of 0.95 with a rms difference of 0.05 cm, while the liquid water channel data yielded a correlation coefficient of 0.99 with a rms difference of 0.02 mm. The study lends further credence to other theoretical estimations of the accuracy of the radiometer measurement, in that the measured values of integrated vapor are probably within 15% of truth. Measurements of supercooled liquid water are reproducible and very stable.
    publisherAmerican Meteorological Society
    titleField Evaluation of a Dual-Channel Microwave Radiometer Designed for Measurements of Integrated Water Vapor and Cloud Liquid Water in the Atmosphere
    typeJournal Paper
    journal volume4
    journal issue1
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/1520-0426(1987)004<0204:FEOADC>2.0.CO;2
    journal fristpage204
    journal lastpage213
    treeJournal of Atmospheric and Oceanic Technology:;1987:;volume( 004 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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