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Correction for Radiation Dry Bias Found in RS92 Radiosonde Data during the MISMO Field Experiment

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この文献へのリンクには次のURLを使用してください:http://hdl.handle.net/2115/64819

タイトル: Correction for Radiation Dry Bias Found in RS92 Radiosonde Data during the MISMO Field Experiment
著者: Yoneyama, Kunio 著作を一覧する
Fujita, Mikiko 著作を一覧する
Sato, Naoki 著作を一覧する
Fujiwara, Masatomo 著作を一覧する
Inai, Yoichi 著作を一覧する
Hasebe, Fumio 著作を一覧する
発行日: 2008年
出版者: 日本気象学会 (Meteorological society of Japan)
誌名: SOLA
巻: 4
開始ページ: 13
終了ページ: 16
出版社 DOI: 10.2151/sola.2008-004
抄録: Atmospheric soundings using the Vaisala RS92 radiosonde were intensively conducted during the field experiment MISMO (Mirai Indian Ocean cruise for the Study of the MJO-convection Onset) in the central and eastern equatorial Indian Ocean from October to December 2006. By comparing the RS92 relative humidity data with that from the Meteolabor Snow White (SW) chilled-mirror dew/frost-point hygrometers launched on the same ship around the local noon time, the dry bias was found to increase significantly with height. In addition, it was also revealed that the dry bias had a clear diurnal variation with its maximum at local noon and near-zero at night from the comparison of precipitable water vapor (PWV) with that derived from the shipboard Global Positioning System (GPS) data. Therefore, the dry bias of the RS92 data could be attributed to a solar radiation-induced error that was recently discussed by V omel et al. (2007). In this study, we developed a correction scheme for the MISMO RS92 humidity data as a function of pressure and local time using SW data, and then confirmed its validity with GPS-derived PWV.
資料タイプ: article
URI: http://hdl.handle.net/2115/64819
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 藤原 正智

 

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