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  1. 防災科研関係論文

Influence of dust and black carbon on the snow albedo in the NASA Goddard Earth Observing System version 5 land surface model

https://nied-repo.bosai.go.jp/records/4544
https://nied-repo.bosai.go.jp/records/4544
3f53af85-cfd4-4088-8098-dcb7bf25a3e8
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 en
タイトル Influence of dust and black carbon on the snow albedo in the NASA Goddard Earth Observing System version 5 land surface model
言語
言語 eng
著者 Teppei J. Yasunari

× Teppei J. Yasunari

en Teppei J. Yasunari

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Randal D. Koster

× Randal D. Koster

en Randal D. Koster

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K. M. Lau

× K. M. Lau

en K. M. Lau

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Teruo Aoki

× Teruo Aoki

en Teruo Aoki

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Yogesh C. Sud

× Yogesh C. Sud

en Yogesh C. Sud

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Takeshi Yamazaki

× Takeshi Yamazaki

en Takeshi Yamazaki

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Hiroki Motoyoshi

× Hiroki Motoyoshi

en Hiroki Motoyoshi

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Yuji Kodama

× Yuji Kodama

en Yuji Kodama

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抄録
内容記述タイプ Other
内容記述 Present-day land surface models rarely account for the influence of both black carbon and dust in the snow on the snow albedo. Snow impurities increase the absorption of incoming shortwave radiation (particularly in the visible bands), whereby they have major consequences for the evolution of snowmelt and life cycles of snowpack. A new parameterization of these snow impurities was included in the catchment-based land surface model used in the National Aeronautics and Space Administration Goddard Earth Observing System version 5. Validation tests against in situ observed data were performed for the winter of 2003-2004 in Sapporo, Japan, for both the new snow albedo parameterization (which explicitly accounts for snow impurities) and the preexisting baseline albedo parameterization (which does not). Validation tests reveal that daily variations of snow depth and snow surface albedo are more realistically simulated with the new parameterization. Reasonable perturbations in the assigned snow impurity concentrations, as inferred from the observational data, produce significant changes in snowpack depth and radiative flux interactions. These findings illustrate the importance of parameterizing the influence of snow impurities on the snow surface albedo for proper simulation of the life cycle of snow cover. Copyright 2011 by the American Geophysical Union.
言語 en
書誌情報 en : Journal of Geophysical Research Atmospheres

巻 116, 号 2, 発行日 2011
出版者
言語 en
出版者 Blackwell Publishing Ltd
ISSN
収録物識別子タイプ ISSN
収録物識別子 0148-0227
DOI
関連識別子 10.1029/2010JD014861
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