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  1. 139 大気海洋研究所
  2. 10 気候システム研究系
  3. 1391010 学術雑誌
  1. 0 資料タイプ別
  2. 10 学術雑誌論文
  3. 014 自然科学

Use of sky brightness measurements from ground for remote sensing of particulate polydispersions

http://hdl.handle.net/2261/51846
http://hdl.handle.net/2261/51846
575aaedc-861d-46ff-8bdd-ce798586203e
名前 / ファイル ライセンス アクション
Nakajima1996OSA_H24P35.pdf Nakajima1996OSA_H24P35.pdf (2.0 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-01-06
タイトル
タイトル Use of sky brightness measurements from ground for remote sensing of particulate polydispersions
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Nakajima, Teruyuki

× Nakajima, Teruyuki

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Nakajima, Teruyuki

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Tonna, Glauco

× Tonna, Glauco

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Tonna, Glauco

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Rao, Ruizhong

× Rao, Ruizhong

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Rao, Ruizhong

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Boi, Paolo

× Boi, Paolo

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Boi, Paolo

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Kaufman, Yoram

× Kaufman, Yoram

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Kaufman, Yoram

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Holben, Brent

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Holben, Brent

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著者所属
著者所属 Center for Climate System Research, University of Tokyo
著者所属
著者所属 Institute for Atmospheric Physics, Consiglio Nazionale delle Richerche
著者所属
著者所属 Consiglio Nazionale delle Richerche, Cagliari Research Area
著者所属
著者所属 Department of Physics, University of Cagliari
著者所属
著者所属 NASA Goddard Space Flight Center
抄録
内容記述タイプ Abstract
内容記述 The software code SKYRAD. pack for retrieval of aerosol size distribution and optical thickness from data of direct and diffuse solar radiation is described; measurements are carried out with sky radiometers in the wavelength range 0.369-1.048μm. The treatment of the radiative transfer problem concerning the optical quantities is mainly based on the IMS (improved multiple and single scattering) method, which uses the delta-M approximation for the truncation of the aerosol phase function and corrects the solution for the first- and second-order scattering. Both linear and nonlinear inversion methods can be used for retrieving the size distribution. Improved calibration methods for both direct and diffuse radiation, the data-analysis procedure, the results from the proposed code, and several connected problems are discussed. The results can be summarized as follows: (a) the SKYRAD. pack code can retrieve the columnar aerosol features with accuracy and efficiency in several environmental situations, provided the input parameters are correctly given; (b) when data of both direct and diffuse solar radiation are used, the detectable radius interval for aerosol particles is approximately from 0.03 to 10μm; (c) besides the retrieval of the aerosol features, the data-analysis procedure also permits the determination of average values for three input parameters (real and imaginary aerosol refractive index, ground albedo) from the optical data; (d) absolute calibrations for the sky radiometer are not needed, and calibrations for direct and diffuse radiation can be carried out with field data; (e) the nonlinear inversion gives satisfactory results in a larger radius interval, without the unrealistic humps that occur with the linear inversion, but the results strongly depend on the first-guess spectrum; (f) aerosol features retrieved from simulated data showed a better agreement with the given data for the linear inversion than for the nonlinear inversion.
書誌情報 Applied optics

巻 35, 号 15, p. 2672-2686, 発行日 1996-05-20
ISSN
収録物識別子タイプ ISSN
収録物識別子 00036935
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00543409
DOI
識別子タイプ DOI
関連識別子 info:doi/10.1364/AO.35.002672
権利
権利情報 © 1996 Optical Society of America
日本十進分類法
主題Scheme NDC
主題 451
出版者
出版者 Optical Society of America
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://www.opticsinfobase.org/ao/abstract.cfm?uri=ao-35-15-2672
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