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Trends in Antarctic Ice Sheet Elevation and Mass

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Trends in Antarctic Ice Sheet Elevation and Mass. / Shepherd, Andrew; Gilbert, Lin; Muir, Alan et al.
In: Geophysical Research Letters, Vol. 46, No. 14, 28.07.2019, p. 8174-8183.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Shepherd, A, Gilbert, L, Muir, A, Konrad, H, McMillan, M, Slater, T, Briggs, K, Sundal, AV, Hogg, AE & Engdahl, M 2019, 'Trends in Antarctic Ice Sheet Elevation and Mass', Geophysical Research Letters, vol. 46, no. 14, pp. 8174-8183. https://doi.org/10.1029/2019GL082182

APA

Shepherd, A., Gilbert, L., Muir, A., Konrad, H., McMillan, M., Slater, T., Briggs, K., Sundal, A. V., Hogg, A. E., & Engdahl, M. (2019). Trends in Antarctic Ice Sheet Elevation and Mass. Geophysical Research Letters, 46(14), 8174-8183. https://doi.org/10.1029/2019GL082182

Vancouver

Shepherd A, Gilbert L, Muir A, Konrad H, McMillan M, Slater T et al. Trends in Antarctic Ice Sheet Elevation and Mass. Geophysical Research Letters. 2019 Jul 28;46(14):8174-8183. Epub 2019 May 16. doi: 10.1029/2019GL082182

Author

Shepherd, Andrew ; Gilbert, Lin ; Muir, Alan et al. / Trends in Antarctic Ice Sheet Elevation and Mass. In: Geophysical Research Letters. 2019 ; Vol. 46, No. 14. pp. 8174-8183.

Bibtex

@article{1eecaaddd21542d3a859b084f00cb754,
title = "Trends in Antarctic Ice Sheet Elevation and Mass",
abstract = "Fluctuations in Antarctic Ice Sheet elevation and mass occur over a variety of timescales, owing to changes in snowfall and ice flow. Here, we disentangle these signals by combining 25 years of satellite radar altimeter observations and a regional climate model. From these measurements, patterns of change that are strongly associated with glaciological events emerge. While the majority of the ice sheet has remained stable, 24% of West Antarctica is now in a state of dynamical imbalance. Thinning of the Pine Island and Thwaites glacier basins reaches 122 m in places, and their rates of ice loss are now five times greater than at the start of our survey. By partitioning elevation changes into areas of snow and ice variability, we estimate that East and West Antarctica have contributed ‐1.1±0.4 and +5.7±0.8 mm to global sea level between 1992 and 2017.",
author = "Andrew Shepherd and Lin Gilbert and Alan Muir and Hannes Konrad and Mal McMillan and Thomas Slater and Kate Briggs and Sundal, {Aud V.} and Hogg, {Anna E.} and Marcus Engdahl",
year = "2019",
month = jul,
day = "28",
doi = "10.1029/2019GL082182",
language = "English",
volume = "46",
pages = "8174--8183",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "14",

}

RIS

TY - JOUR

T1 - Trends in Antarctic Ice Sheet Elevation and Mass

AU - Shepherd, Andrew

AU - Gilbert, Lin

AU - Muir, Alan

AU - Konrad, Hannes

AU - McMillan, Mal

AU - Slater, Thomas

AU - Briggs, Kate

AU - Sundal, Aud V.

AU - Hogg, Anna E.

AU - Engdahl, Marcus

PY - 2019/7/28

Y1 - 2019/7/28

N2 - Fluctuations in Antarctic Ice Sheet elevation and mass occur over a variety of timescales, owing to changes in snowfall and ice flow. Here, we disentangle these signals by combining 25 years of satellite radar altimeter observations and a regional climate model. From these measurements, patterns of change that are strongly associated with glaciological events emerge. While the majority of the ice sheet has remained stable, 24% of West Antarctica is now in a state of dynamical imbalance. Thinning of the Pine Island and Thwaites glacier basins reaches 122 m in places, and their rates of ice loss are now five times greater than at the start of our survey. By partitioning elevation changes into areas of snow and ice variability, we estimate that East and West Antarctica have contributed ‐1.1±0.4 and +5.7±0.8 mm to global sea level between 1992 and 2017.

AB - Fluctuations in Antarctic Ice Sheet elevation and mass occur over a variety of timescales, owing to changes in snowfall and ice flow. Here, we disentangle these signals by combining 25 years of satellite radar altimeter observations and a regional climate model. From these measurements, patterns of change that are strongly associated with glaciological events emerge. While the majority of the ice sheet has remained stable, 24% of West Antarctica is now in a state of dynamical imbalance. Thinning of the Pine Island and Thwaites glacier basins reaches 122 m in places, and their rates of ice loss are now five times greater than at the start of our survey. By partitioning elevation changes into areas of snow and ice variability, we estimate that East and West Antarctica have contributed ‐1.1±0.4 and +5.7±0.8 mm to global sea level between 1992 and 2017.

U2 - 10.1029/2019GL082182

DO - 10.1029/2019GL082182

M3 - Journal article

VL - 46

SP - 8174

EP - 8183

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 14

ER -