Observing and modeling ice sheet surface mass balance

JTM Lenaerts, B Medley… - Reviews of …, 2019 - Wiley Online Library
Surface mass balance (SMB) provides mass input to the surface of the Antarctic and
Greenland Ice Sheets and therefore comprises an important control on ice sheet mass …

Active layer and permafrost thermal regimes in the ice-free areas of Antarctica

F Hrbáček, M Oliva, C Hansen, M Balks, TA O'Neill… - Earth-Science …, 2023 - Elsevier
Abstract Ice-free areas occupy< 0.5% of Antarctica and are unevenly distributed across the
continent. Terrestrial ecosystem dynamics in ice free areas are strongly influenced by …

Increased West Antarctic and unchanged East Antarctic ice discharge over the last 7 years

AS Gardner, G Moholdt, T Scambos, M Fahnstock… - The …, 2018 - tc.copernicus.org
Ice discharge from large ice sheets plays a direct role in determining rates of sea-level rise.
We map present-day Antarctic-wide surface velocities using Landsat 7 and 8 imagery …

Continuity of ice sheet mass loss in Greenland and Antarctica from the GRACE and GRACE Follow‐On missions

I Velicogna, Y Mohajerani, F Landerer… - Geophysical …, 2020 - Wiley Online Library
We examine data continuity between the Gravity Recovery and Climate Experiment
(GRACE) and GRACE Follow‐On (FO) missions over Greenland and Antarctica using …

Modelling the climate and surface mass balance of polar ice sheets using RACMO2–Part 2: Antarctica (1979–2016)

JM Van Wessem, WJ Van De Berg, BPY Noël… - The …, 2018 - tc.copernicus.org
We evaluate modelled Antarctic ice sheet (AIS) near-surface climate, surface mass balance
(SMB) and surface energy balance (SEB) from the updated polar version of the regional …

Ocean forcing of glacier retreat in the western Antarctic Peninsula

AJ Cook, PR Holland, MP Meredith, T Murray… - Science, 2016 - science.org
In recent decades, hundreds of glaciers draining the Antarctic Peninsula (63° to 70° S) have
undergone systematic and progressive change. These changes are widely attributed to …

Central tropical Pacific convection drives extreme high temperatures and surface melt on the Larsen C Ice Shelf, Antarctic Peninsula

KR Clem, D Bozkurt, D Kennett, JC King… - Nature …, 2022 - nature.com
Northern sections of the Larsen Ice Shelf, eastern Antarctic Peninsula (AP) have
experienced dramatic break-up and collapse since the early 1990s due to strong …

Regional Antarctic snow accumulation over the past 1000 years

ER Thomas, JM Van Wessem, J Roberts… - Climate of the …, 2017 - cp.copernicus.org
Here we present Antarctic snow accumulation variability at the regional scale over the past
1000 years. A total of 79 ice core snow accumulation records were gathered and assigned …

Widespread seasonal speed-up of west Antarctic Peninsula glaciers from 2014 to 2021

BJ Wallis, AE Hogg, JM van Wessem, BJ Davison… - Nature …, 2023 - nature.com
Mass loss from the Antarctic Ice Sheet is dominated by ice dynamics, where ocean-driven
melt leads to un-buttressing and ice flow acceleration. Long-term ice speed change has …

The signature of Southern Hemisphere atmospheric circulation patterns in Antarctic precipitation

GJ Marshall, DWJ Thompson… - Geophysical …, 2017 - Wiley Online Library
We provide the first comprehensive analysis of the relationships between large‐scale
patterns of Southern Hemisphere climate variability and the detailed structure of Antarctic …