Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL088627 |
Contributions of Greenland GPS observed deformation from multi‐source mass loading induced seasonal and transient signals | |
Wenhao Li; C. K. Shum; Fei Li; Shengkai Zhang; Feng Ming; Wei Chen; Bao Zhang; Jintao Lei; Qingchuan Zhang | |
2020-07-08 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | GPS provides critical geodetic constraints on Earth’s elastic response induced by ice and other mass loadings in Greenland. Previous studies focused on long‐term ice mass changes, with relatively fewer studies on transient signals and had used fewer GPS stations. Here, we reconstructed 44 Greenland‐wide coastal decadal GPS time series using multichannel singular spectral analysis and quantified the origins of spatio‐temporal patterns of transient to seasonal signals. We used an exhaustive list of geophysical processes, including surface mass balance (SMB), atmospheric pressure, continental hydrology, non‐tidal ocean loading, bedrock thermal expansion, precipitation, runoff, and ice discharge, and identified that most of Greenland’s GPS sites exhibit SMB‐induced transient signals during 2012–2015, with maximum displacement reaching 20.45 mm. Analyses of differenced‐time series between adjacent GPS stations near peripheral glaciers reveal that locally‐varying seasonal signals are primarily attributable to SMB, followed by atmosphere. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/283308 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Wenhao Li,C. K. Shum,Fei Li,等. Contributions of Greenland GPS observed deformation from multi‐source mass loading induced seasonal and transient signals[J]. Geophysical Research Letters,2020. |
APA | Wenhao Li.,C. K. Shum.,Fei Li.,Shengkai Zhang.,Feng Ming.,...&Qingchuan Zhang.(2020).Contributions of Greenland GPS observed deformation from multi‐source mass loading induced seasonal and transient signals.Geophysical Research Letters. |
MLA | Wenhao Li,et al."Contributions of Greenland GPS observed deformation from multi‐source mass loading induced seasonal and transient signals".Geophysical Research Letters (2020). |
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