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Bibliographic Record
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- Material Type
- 文書・図像類
- Author/Editor
- 齋藤, 冬樹阿部, 彩子高橋, 邦生Fuyuki, SAITOABE-OUCHI, AyakoTAKAHASHI, Kunio
- Publication Date
- 2013-11-15
- Publication Date (W3CDTF)
- 2013-11-15
- Alternative Title
- 表面質量収支モデルおよび初期化方法に対するグリーンランド温暖化応答の感度実験
- Text Language Code
- eng
- Target Audience
- 一般
- Note (General)
- We present a series of numerical experiments of Greenland ice sheet under global warming condition using Ice sheet model for Integrated Earth system Studies (ICIES). In this study, influence on the simulation from the difference in the method to compute the surface mass balance is focused. Typically, ice sheet simulation is driven by a reference-anomaly method, in which the surface temperature and/or the accumulation are decomposed into the reference terms (e.g., observation), the anomaly (e.g., climate scenario from climate models). Then the surface melting is computed using parameterization such as positive degree-day (PDD) method with the temperature. These decomposed terms have own uncertainties, which may influence the ice-sheet simulation. In this study, impact of these properties to the present-day control case, as well as the response under uniform warming condition are discussed, which is thought be a useful and basic information of the property/sensitivity of the Greenland ice sheet.In addition, several initialization methods (free spin-up, fixed-topography spin-up, etc) are applied to ICIES in order to evaluate the influence of the error in the present-day simulated topography to the shortterm response of Greenland ice sheet.第4回極域科学シンポジウム個別セッション：[OM] 気水圏11月15日（金） 統計数理研究所 ３階セミナー室１（D305）