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Interpretation of the GRACE-derived mass trend in Enderby Land, Antarctica
https://nipr.repo.nii.ac.jp/records/10093
https://nipr.repo.nii.ac.jp/records/1009312574899-d395-4a6d-a4fa-051c474d505e
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-10-15 | |||||
タイトル | ||||||
タイトル | Interpretation of the GRACE-derived mass trend in Enderby Land, Antarctica | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Interpretation of the GRACE-derived mass trend in Enderby Land, Antarctica | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Antarctic ice-sheet mass balance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | GRACE | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ICESat | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Snow-stake measurements | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Antarctic ice-sheet mass balance | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | GRACE | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ICESat | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Snow-stake measurements | |||||
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 |
Yamamoto, Keiko
× Yamamoto, Keiko× Fukuda, Yoichi× Doi, Koichiro× Motoyama, Hideaki× Yamamoto, Keiko× Fukuda, Yoichi× Doi, Koichiro× Motoyama, Hideaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Monthly gravity solutions of the Gravity Recovery and Climate Experiment (GRACE) reveal three areas in Antarctica with striking interannual mass trends. The positive mass trend in Enderby Land, East Antarctica, is poorly understood because of uncertainties in the surface ice-sheet mass balance, post-glacial rebound (PGR), and processing of GRACE data. In this study, we compare the GRACE mass trends with values estimated from in situ snow-stake measurements, and Ice Cloud and land Elevation Satellite (ICESat) data. The mass trends estimated from ICESat data show a strong correlation with GRACE mass trends. In contrast, the snow-stake data show discrepancies with temporal variations in GRACE mass, especially in 2006. The discrepancies are probably associated with basal ice-sheet outflow, which is difficult to observe using snow stakes. We conclude that the bulk of the GRACE mass trend can be explained by snow accumulation and basal ice-sheet outflow. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 衛星重力ミッションGRACE(Gravity Recovery and Climate Experiment)から得られる地球重力場の時間変化から、2002-2007年の南極の質量変化の経年トレンドを見積もった結果、3つの地域で顕著なトレンドが観察された。このうち、エンダービーランドの質量の増加トレンドについてはその解釈が明らかでなかったが、JAREによる雪尺測定データおよびICESat (Ice, Cloud and Elevation Satellite) 衛星高度計データとの比較をおこなった結果、GRACEから得られたエンダービーランドの質量トレンドは積雪および基盤からの氷床の流出によって説明可能であることが示された。 | |||||
書誌情報 |
Polar science en : Polar science 巻 2, 号 4, p. 267-276, 発行日 2008-12 |
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出版者 | ||||||
出版者 | 国立極地研究所 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12240481 | |||||
論文ID(NAID) | ||||||
識別子タイプ | NAID | |||||
関連識別子 | 110007089160 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.1016/j.polar.2008.10.001 | |||||
関連名称 | 10.1016/j.polar.2008.10.001 |