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 …

How much, how fast?: A science review and outlook for research on the instability of Antarctica's Thwaites Glacier in the 21st century

TA Scambos, RE Bell, RB Alley… - Global and Planetary …, 2017 - Elsevier
Constraining how much and how fast the West Antarctic Ice Sheet (WAIS) will change in the
coming decades has recently been identified as the highest priority in Antarctic research …

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 …

Estimation of the Antarctic surface mass balance using the regional climate model MAR (1979–2015) and identification of dominant processes

C Agosta, C Amory, C Kittel, A Orsi, V Favier… - The …, 2019 - tc.copernicus.org
The Antarctic ice sheet mass balance is a major component of the sea level budget and
results from the difference of two fluxes of a similar magnitude: ice flow discharging in the …

Increased snowfall over the Antarctic Ice Sheet mitigated twentieth-century sea-level rise

B Medley, ER Thomas - Nature Climate Change, 2019 - nature.com
Abstract Changes in accumulated snowfall over the Antarctic Ice Sheet have an immediate
and time-delayed impact on global mean sea level. The immediate impact is due to the …

The scientific legacy of NASA's Operation IceBridge

JA MacGregor, LN Boisvert, B Medley, AA Petty… - 2021 - Wiley Online Library
Abstract The National Aeronautics and Space Administration (NASA)'s Operation IceBridge
(OIB) was a 13‐year (2009–2021) airborne mission to survey land and sea ice across the …

[HTML][HTML] An evaluation of surface climatology in state-of-the-art reanalyses over the Antarctic Ice Sheet

A Gossart, S Helsen, JTM Lenaerts… - Journal of …, 2019 - journals.ametsoc.org
In this study, we evaluate output of near-surface atmospheric variables over the Antarctic Ice
Sheet from four reanalyses: the new European Centre for Medium-Range Weather …

Improved representation of East Antarctic surface mass balance in a regional atmospheric climate model

JM Van Wessem, CH Reijmer, M Morlighem… - Journal of …, 2014 - cambridge.org
This study evaluates the impact of a recent upgrade in the physics package of the regional
atmospheric climate model RACMO2 on the simulated surface mass balance (SMB) of the …

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 …

Response of Pacific-sector Antarctic ice shelves to the El Niño/Southern oscillation

FS Paolo, L Padman, HA Fricker, S Adusumilli… - Nature …, 2018 - nature.com
Satellite observations over the past two decades have revealed increasing loss of grounded
ice in West Antarctica, associated with floating ice shelves that have been thinning. Thinning …