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Use of sky brightness measurements from ground for remote sensing of particulate polydispersions
http://hdl.handle.net/2261/51846
http://hdl.handle.net/2261/51846575aaedc-861d-46ff-8bdd-ce798586203e
名前 / ファイル | ライセンス | アクション |
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Nakajima1996OSA_H24P35.pdf (2.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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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× Tonna, Glauco× Rao, Ruizhong× Boi, Paolo× Kaufman, Yoram× 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 |
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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 | 451 | |||||
主題Scheme | NDC | |||||
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 |