Effect of lateral and stress‐dependent viscosity variations on GIA induced uplift rates in the Amundsen Sea Embayment

B Blank, V Barletta, H Hu, F Pappa… - Geochemistry …, 2021 - Wiley Online Library
Accurate glacial isostatic adjustment (GIA) models are required for correcting measurements
of mass change in Antarctica and for improving knowledge of the sub‐surface, especially in …

GPS rates of vertical bedrock motion suggest Late Holocene Ice‐Sheet readvance in a critical sector of East Antarctica

MA King, CS Watson, D White - Geophysical Research Letters, 2022 - Wiley Online Library
We investigate present‐day bedrock vertical motion using new Global Positioning System
(GPS) timeseries from the Totten‐Denman glacier region of East Antarctica (∼ 77°–120° E) …

Modeling satellite gravity gradient data to derive density, temperature, and viscosity structure of the Antarctic lithosphere

F Pappa, J Ebbing, F Ferraccioli… - Journal of Geophysical …, 2019 - Wiley Online Library
In this study we combine seismological and petrological models with satellite gravity
gradient data to obtain the thermal and compositional structure of the Antarctic lithosphere …

[HTML][HTML] Impact of glacial isostatic adjustment on cosmogenic surface-exposure dating

RS Jones, PL Whitehouse, MJ Bentley, D Small… - Quaternary Science …, 2019 - Elsevier
Calculating cosmogenic-nuclide surface-exposure ages is critically dependent on a
knowledge of the altitude of the sample site. Changes in altitude have occurred through time …

Uplift rates from a new high-density GPS network in Palmer Land indicate significant late Holocene ice loss in the southwestern Weddell Sea

M Wolstencroft, MA King, PL Whitehouse… - Geophysical Journal …, 2015 - academic.oup.com
The measurement of ongoing ice-mass loss and associated melt water contribution to sea-
level change from regions such as West Antarctica is dependent on a combination of remote …

Monitoring geodynamic activity in the Victoria Land, East Antarctica: Evidence from GNSS measurements

A Zanutta, M Negusini, L Vittuari, P Cianfarra… - Journal of …, 2017 - Elsevier
GNSS networks in Antarctica are a fundamental tool to define actual crustal displacements
due to geological and geophysical processes and to constrain the glacial isostatic models …

Joint inversion estimate of regional glacial isostatic adjustment in Antarctica considering a lateral varying Earth structure (ESA STSE Project REGINA)

I Sasgen, A Martín-Español, A Horvath… - Geophysical Journal …, 2017 - academic.oup.com
A major uncertainty in determining the mass balance of the Antarctic ice sheet from
measurements of satellite gravimetry, and to a lesser extent satellite altimetry, is the poorly …

Second-degree Stokes coefficients from multi-satellite SLR

M Bloßfeld, H Müller, M Gerstl, V Štefka, J Bouman… - Journal of …, 2015 - Springer
The long wavelength part of the Earth's gravity field can be determined, with varying
accuracy, from satellite laser ranging (SLR). In this study, we investigate the combination of …

[HTML][HTML] Current state and future perspectives on coupled ice-sheet–sea-level modelling

B de Boer, P Stocchi, PL Whitehouse… - Quaternary Science …, 2017 - Elsevier
The interaction between ice-sheet growth and retreat and sea-level change has been an
established field of research for many years. However, recent advances in numerical …

Ice mass change in Greenland and Antarctica between 1993 and 2013 from satellite gravity measurements

MJ Talpe, RS Nerem, E Forootan, M Schmidt… - Journal of …, 2017 - Springer
We construct long-term time series of Greenland and Antarctic ice sheet mass change from
satellite gravity measurements. A statistical reconstruction approach is developed based on …