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Comparative simulations of the evolution of the Greenland ice sheet under simplified Paris Agreement scenarios with the models SICOPOLIS and ISSM
https://nipr.repo.nii.ac.jp/records/15912
https://nipr.repo.nii.ac.jp/records/1591238e1503d-d1e6-407e-bf7e-96c0f35cdf58
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2019-09-30 | |||||
タイトル | ||||||
タイトル | Comparative simulations of the evolution of the Greenland ice sheet under simplified Paris Agreement scenarios with the models SICOPOLIS and ISSM | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Comparative simulations of the evolution of the Greenland ice sheet under simplified Paris Agreement scenarios with the models SICOPOLIS and ISSM | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Greenland ice sheet | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Paris Agreement | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Sea level rise | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Ice sheet modelling | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Uncertainty assessment | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Rückamp, Martin
× Rückamp, Martin× Greve, Ralf× Humbert, Angelika |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Projections of the contribution of the Greenland ice sheet to sea level rise comprise uncertainties that arise from the imposed climate forcing and from the underlying mathematical and numerical description used by ice flow models. Here, we present a comparative modelling study with the models SICOPOLIS, using the shallow ice approximation (SIA) on a structured grid, and ISSM, using a higher-order (HO) approximation of the Stokes equation on an unstructured grid. Starting from a paleoclimatic spin-up produced by SICOPOLIS, the models are forced with two different, simplified warming scenarios based on RCP2.6 projections from climate models, which are in line with the limit of global warming negotiated for the Paris Agreement. ISSM/HO produces lower flow speeds at the glacier termini, but more acceleration in narrow outlet glaciers compared to SICOPOLIS/SIA. This leads to a larger elevation reduction for ISSM/HO, and thus a positive feedback on the surface mass balance (with that of ISSM/HO becoming ∼50 Gt a−1 more negative). Across the two models and scenarios, the projected mass loss by 2300 is ∼62–88 mm sea level equivalent. | |||||
書誌情報 |
en : Polar Science 巻 21, p. 14-25, 発行日 2019-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.polar.2018.12.003 | |||||
関連名称 | 10.1016/j.polar.2018.12.003 |