Mass balance of the Antarctic Ice Sheet from 1992 to 2017

Andrew Shepherd; Erik Ivins; Eric Rignot; Ben  Smith; Michiel van den Broeke; Isabella Velicogna; Pippa L Whitehouse; Kate  Briggs; Ian Joughin; Gerhard  Krinner; Sophie Nowicki; Tony  Payne; Ted  Scambos; Nicole  Schlegel; Geruo  A; Cécile Agosta; Andreas  Ahlstrøm; Greg  Babonis; Valentina Barletta; Alejandro  Blazquez; Jennifer  Bonin; Beata  Csatho; Richard  Cullather; Denis  Felikson; Xavier  Fettweis; René Forsberg; Hubert  Gallee; Alex  Gardner; Lin  Gilbert; Andreas  Groh; Brian  Gunter; Edward  Hanna; Christopher  Harig; Veit  Helm; Alexander  Horvath; Martin  Horwath; Shfaqat  Khan; Kristian  K. Kjeldsen; Hannes  Konrad; Peter  Langen; Benoit Lecavalier; Bryant  Loomis; Scott  Luthcke; Malcolm McMillan; Daniele  Melini; Sebastian Mernild; Yara  Mohajerani; Philip  Moore; Jeremie Mouginot; Gorka  Moyano; Alan  Muir; Thomas  Nagler; Grace  Nield; Johan  Nilsson; Brice  Noel; Ines  Otosaka; Mark  E. Pattle; W. Richard  Peltier; Nadege  Pie; Roelof  Rietbroek; Helmut  Rott; Louise  Sandberg-Sørensen; Ingo  Sasgen; Himanshu  Save; Bernd  Scheuchl; Ernst  Schrama; Ludwig  Schröder; Ki-Weon  Seo; Sebastian  Simonsen; Tom  Slater; Giorgio  Spada; Tyler  Sutterley; Matthieu  Talpe; Lev  Tarasov; Willem Jan van de Berg; Wouter  van der Wal; Melchior  van Wessem; Bramha  Dutt Vishwakarma; David  Wiese; Bert  Wouters

doi:10.1038/s41586-018-0179-y

Mass balance of the Antarctic Ice Sheet from 1992 to 2017

Andrew Shepherd^*, Erik Ivins, Eric Rignot, Ben Smith , Michiel van den Broeke, Isabella Velicogna, Pippa L Whitehouse, Kate Briggs, Ian Joughin, Gerhard Krinner, Sophie Nowicki, Tony Payne, Ted Scambos, Nicole Schlegel, Geruo A, Cécile Agosta, Andreas Ahlstrøm, Greg Babonis, Valentina Barletta, Alejandro BlazquezJennifer Bonin, Beata Csatho, Richard Cullather, Denis Felikson, Xavier Fettweis, René Forsberg, Hubert Gallee, Alex Gardner, Lin Gilbert, Andreas Groh, Brian Gunter, Edward Hanna, Christopher Harig, Veit Helm, Alexander Horvath, Martin Horwath, Shfaqat Khan, Kristian K. Kjeldsen, Hannes Konrad, Peter Langen, Benoit Lecavalier, Bryant Loomis, Scott Luthcke, Malcolm McMillan, Daniele Melini, Sebastian Mernild, Yara Mohajerani, Philip Moore, Jeremie Mouginot, Gorka Moyano, Alan Muir, Thomas Nagler, Grace Nield, Johan Nilsson, Brice Noel, Ines Otosaka, Mark E. Pattle, W. Richard Peltier, Nadege Pie, Roelof Rietbroek, Helmut Rott, Louise Sandberg-Sørensen, Ingo Sasgen, Himanshu Save, Bernd Scheuchl, Ernst Schrama, Ludwig Schröder, Ki-Weon Seo, Sebastian Simonsen, Tom Slater, Giorgio Spada, Tyler Sutterley, Matthieu Talpe, Lev Tarasov, Willem Jan van de Berg, Wouter van der Wal, Melchior van Wessem, Bramha Dutt Vishwakarma, David Wiese, Bert Wouters

^*Corresponding author for this work

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Abstract

The Antarctic Ice Sheet is an important indicator of climate change and driver of sea-level rise. Here we combine satellite observations of its changing volume, flow and gravitational attraction with modelling of its surface mass balance to show that it lost 2,720 ± 1,390 billion tonnes of ice between 1992 and 2017, which corresponds to an increase in mean sea level of 7.6 ± 3.9 millimetres (errors are one standard deviation). Over this period, ocean-driven melting has caused rates of ice loss from West Antarctica to increase from 53 ± 29 billion to 159 ± 26 billion tonnes per year; ice-shelf collapse has increased the rate of ice loss from the Antarctic Peninsula from 7 ± 13 billion to 33 ± 16 billion tonnes per year. We find large variations in and among model estimates of surface mass balance and glacial isostatic adjustment for East Antarctica, with its average rate of mass gain over the period 1992–2017 (5 ± 46 billion tonnes per year) being the least certain.

Original language	English
Journal	Nature
Volume	558
Issue number	7709
Pages (from-to)	219-222
ISSN	1476-4687
DOIs	https://doi.org/10.1038/s41586-018-0179-y
Publication status	Published - 2018

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Shepherd, A., Ivins, E., Rignot, E., Smith , B., van den Broeke, M., Velicogna, I., Whitehouse, P. L., Briggs, K., Joughin, I., Krinner, G., Nowicki, S., Payne, T., Scambos, T., Schlegel, N., A, G., Agosta, C., Ahlstrøm, A., Babonis, G., Barletta, V., ... Wouters, B. (2018). Mass balance of the Antarctic Ice Sheet from 1992 to 2017. Nature, 558(7709), 219-222. https://doi.org/10.1038/s41586-018-0179-y

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title = "Mass balance of the Antarctic Ice Sheet from 1992 to 2017",

abstract = "The Antarctic Ice Sheet is an important indicator of climate change and driver of sea-level rise. Here we combine satellite observations of its changing volume, flow and gravitational attraction with modelling of its surface mass balance to show that it lost 2,720 ± 1,390 billion tonnes of ice between 1992 and 2017, which corresponds to an increase in mean sea level of 7.6 ± 3.9 millimetres (errors are one standard deviation). Over this period, ocean-driven melting has caused rates of ice loss from West Antarctica to increase from 53 ± 29 billion to 159 ± 26 billion tonnes per year; ice-shelf collapse has increased the rate of ice loss from the Antarctic Peninsula from 7 ± 13 billion to 33 ± 16 billion tonnes per year. We find large variations in and among model estimates of surface mass balance and glacial isostatic adjustment for East Antarctica, with its average rate of mass gain over the period 1992–2017 (5 ± 46 billion tonnes per year) being the least certain.",

author = "Andrew Shepherd and Erik Ivins and Eric Rignot and Ben Smith and {van den Broeke}, Michiel and Isabella Velicogna and Whitehouse, {Pippa L} and Kate Briggs and Ian Joughin and Gerhard Krinner and Sophie Nowicki and Tony Payne and Ted Scambos and Nicole Schlegel and Geruo A and C{\'e}cile Agosta and Andreas Ahlstr{\o}m and Greg Babonis and Valentina Barletta and Alejandro Blazquez and Jennifer Bonin and Beata Csatho and Richard Cullather and Denis Felikson and Xavier Fettweis and Ren{\'e} Forsberg and Hubert Gallee and Alex Gardner and Lin Gilbert and Andreas Groh and Brian Gunter and Edward Hanna and Christopher Harig and Veit Helm and Alexander Horvath and Martin Horwath and Shfaqat Khan and {K. Kjeldsen}, Kristian and Hannes Konrad and Peter Langen and Benoit Lecavalier and Bryant Loomis and Scott Luthcke and Malcolm McMillan and Daniele Melini and Sebastian Mernild and Yara Mohajerani and Philip Moore and Jeremie Mouginot and Gorka Moyano and Alan Muir and Thomas Nagler and Grace Nield and Johan Nilsson and Brice Noel and Ines Otosaka and {E. Pattle}, Mark and Peltier, {W. Richard} and Nadege Pie and Roelof Rietbroek and Helmut Rott and Louise Sandberg-S{\o}rensen and Ingo Sasgen and Himanshu Save and Bernd Scheuchl and Ernst Schrama and Ludwig Schr{\"o}der and Ki-Weon Seo and Sebastian Simonsen and Tom Slater and Giorgio Spada and Tyler Sutterley and Matthieu Talpe and Lev Tarasov and {van de Berg}, {Willem Jan} and {van der Wal}, Wouter and {van Wessem}, Melchior and {Dutt Vishwakarma}, Bramha and David Wiese and Bert Wouters",

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doi = "10.1038/s41586-018-0179-y",

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Shepherd, A, Ivins, E, Rignot, E, Smith , B, van den Broeke, M, Velicogna, I, Whitehouse, PL, Briggs, K, Joughin, I, Krinner, G, Nowicki, S, Payne, T, Scambos, T, Schlegel, N, A, G, Agosta, C, Ahlstrøm, A, Babonis, G, Barletta, V, Blazquez, A, Bonin, J, Csatho, B, Cullather, R, Felikson, D, Fettweis, X, Forsberg, R, Gallee, H, Gardner, A, Gilbert, L, Groh, A, Gunter, B, Hanna, E, Harig, C, Helm, V, Horvath, A, Horwath, M, Khan, S, K. Kjeldsen, K, Konrad, H, Langen, P, Lecavalier, B, Loomis, B, Luthcke, S, McMillan, M, Melini, D, Mernild, S, Mohajerani, Y, Moore, P, Mouginot, J, Moyano, G, Muir, A, Nagler, T, Nield, G, Nilsson, J, Noel, B, Otosaka, I, E. Pattle, M, Peltier, WR, Pie, N, Rietbroek, R, Rott, H, Sandberg-Sørensen, L, Sasgen, I, Save, H, Scheuchl, B, Schrama, E, Schröder, L, Seo, K-W, Simonsen, S, Slater, T, Spada, G, Sutterley, T, Talpe, M, Tarasov, L, van de Berg, WJ, van der Wal, W, van Wessem, M, Dutt Vishwakarma, B, Wiese, D & Wouters, B 2018, 'Mass balance of the Antarctic Ice Sheet from 1992 to 2017', Nature, vol. 558, no. 7709, pp. 219-222. https://doi.org/10.1038/s41586-018-0179-y

TY - JOUR

T1 - Mass balance of the Antarctic Ice Sheet from 1992 to 2017

AU - Shepherd, Andrew

AU - Ivins, Erik

AU - Rignot, Eric

AU - Smith , Ben

AU - van den Broeke, Michiel

AU - Velicogna, Isabella

AU - Whitehouse, Pippa L

AU - Briggs, Kate

AU - Joughin, Ian

AU - Krinner, Gerhard

AU - Nowicki, Sophie

AU - Payne, Tony

AU - Scambos, Ted

AU - Schlegel, Nicole

AU - A, Geruo

AU - Agosta, Cécile

AU - Ahlstrøm, Andreas

AU - Babonis, Greg

AU - Barletta, Valentina

AU - Blazquez, Alejandro

AU - Bonin, Jennifer

AU - Csatho, Beata

AU - Cullather, Richard

AU - Felikson, Denis

AU - Fettweis, Xavier

AU - Forsberg, René

AU - Gallee, Hubert

AU - Gardner, Alex

AU - Gilbert, Lin

AU - Groh, Andreas

AU - Gunter, Brian

AU - Hanna, Edward

AU - Harig, Christopher

AU - Helm, Veit

AU - Horvath, Alexander

AU - Horwath, Martin

AU - Khan, Shfaqat

AU - K. Kjeldsen, Kristian

AU - Konrad, Hannes

AU - Langen, Peter

AU - Lecavalier, Benoit

AU - Loomis, Bryant

AU - Luthcke, Scott

AU - McMillan, Malcolm

AU - Melini, Daniele

AU - Mernild, Sebastian

AU - Mohajerani, Yara

AU - Moore, Philip

AU - Mouginot, Jeremie

AU - Moyano, Gorka

AU - Muir, Alan

AU - Nagler, Thomas

AU - Nield, Grace

AU - Nilsson, Johan

AU - Noel, Brice

AU - Otosaka, Ines

AU - E. Pattle, Mark

AU - Peltier, W. Richard

AU - Pie, Nadege

AU - Rietbroek, Roelof

AU - Rott, Helmut

AU - Sandberg-Sørensen, Louise

AU - Sasgen, Ingo

AU - Save, Himanshu

AU - Scheuchl, Bernd

AU - Schrama, Ernst

AU - Schröder, Ludwig

AU - Seo, Ki-Weon

AU - Simonsen, Sebastian

AU - Slater, Tom

AU - Spada, Giorgio

AU - Sutterley, Tyler

AU - Talpe, Matthieu

AU - Tarasov, Lev

AU - van de Berg, Willem Jan

AU - van der Wal, Wouter

AU - van Wessem, Melchior

AU - Dutt Vishwakarma, Bramha

AU - Wiese, David

AU - Wouters, Bert

PY - 2018

Y1 - 2018

N2 - The Antarctic Ice Sheet is an important indicator of climate change and driver of sea-level rise. Here we combine satellite observations of its changing volume, flow and gravitational attraction with modelling of its surface mass balance to show that it lost 2,720 ± 1,390 billion tonnes of ice between 1992 and 2017, which corresponds to an increase in mean sea level of 7.6 ± 3.9 millimetres (errors are one standard deviation). Over this period, ocean-driven melting has caused rates of ice loss from West Antarctica to increase from 53 ± 29 billion to 159 ± 26 billion tonnes per year; ice-shelf collapse has increased the rate of ice loss from the Antarctic Peninsula from 7 ± 13 billion to 33 ± 16 billion tonnes per year. We find large variations in and among model estimates of surface mass balance and glacial isostatic adjustment for East Antarctica, with its average rate of mass gain over the period 1992–2017 (5 ± 46 billion tonnes per year) being the least certain.

AB - The Antarctic Ice Sheet is an important indicator of climate change and driver of sea-level rise. Here we combine satellite observations of its changing volume, flow and gravitational attraction with modelling of its surface mass balance to show that it lost 2,720 ± 1,390 billion tonnes of ice between 1992 and 2017, which corresponds to an increase in mean sea level of 7.6 ± 3.9 millimetres (errors are one standard deviation). Over this period, ocean-driven melting has caused rates of ice loss from West Antarctica to increase from 53 ± 29 billion to 159 ± 26 billion tonnes per year; ice-shelf collapse has increased the rate of ice loss from the Antarctic Peninsula from 7 ± 13 billion to 33 ± 16 billion tonnes per year. We find large variations in and among model estimates of surface mass balance and glacial isostatic adjustment for East Antarctica, with its average rate of mass gain over the period 1992–2017 (5 ± 46 billion tonnes per year) being the least certain.

U2 - 10.1038/s41586-018-0179-y

DO - 10.1038/s41586-018-0179-y

M3 - Journal article

C2 - 29899482

VL - 558

SP - 219

EP - 222

JO - Nature

JF - Nature

SN - 0028-0836

IS - 7709

ER -

Mass balance of the Antarctic Ice Sheet from 1992 to 2017

Abstract

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