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Spatio-temporal changes in radar zones and ELA estimation of glaciers in NyÅlesund using Sentinel-1 SAR
https://nipr.repo.nii.ac.jp/records/16913
https://nipr.repo.nii.ac.jp/records/169132702c558-ff7d-4196-91ab-1d5e0e7d06aa
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2022-05-26 | |||||
タイトル | ||||||
タイトル | Spatio-temporal changes in radar zones and ELA estimation of glaciers in NyÅlesund using Sentinel-1 SAR | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Spatio-temporal changes in radar zones and ELA estimation of glaciers in NyÅlesund using Sentinel-1 SAR | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Ny-Ålesund | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Glacier facies | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Glacier radar zone | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Equilibrium line altitude | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Geospatial technology | |||||
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 |
Garg, Vaibhav
× Garg, Vaibhav× Thakur, Praveen K.× Rajak, D. Ram× Aggarwal, S.P.× Kumar, Pradeep |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A total of 15 glaciers in the Ny-Ålesund region were studied for their glacier radar zones vis-à-vis ELA over the period 2016–2020, using the multi-seasonal SAR data. All the glaciers were comprised of three zones, namely middle percolation/wet snow, lower percolation/wet snow, and clean ice. Using the anomalies of temperature and precipitation derived from Ny Ålesund meteorological station, it is observed that the ELA for most of the glaciers shifted to a higher altitude during 2016–2018 when the temperature was slightly high as compared to the long term mean, while it shifted down the glacier due to heavy accumulation and low temperature during 2019–20. The maximum shift of ±25 (with an uncertainty of ±6.85 m arising out of remote sensing data) in ELA, was detected during 2016–2020. These results obtained using geospatial technology-based analysis are provided for assessing the impact of climate change on the behaviour of the glaciers. | |||||
書誌情報 |
en : Polar Science 巻 31, p. 100786, 発行日 2022-03 |
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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.2021.100786 | |||||
関連名称 | 10.1016/j.polar.2021.100786 |