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 …

Mass balance of the Antarctic Ice Sheet from 1992 to 2017

Nature, 2018 - nature.com
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 …

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 …

Marine ice sheet collapse potentially under way for the Thwaites Glacier Basin, West Antarctica

I Joughin, BE Smith, B Medley - Science, 2014 - science.org
Resting atop a deep marine basin, the West Antarctic Ice Sheet has long been considered
prone to instability. Using a numerical model, we investigated the sensitivity of Thwaites …

Antarctic atmospheric river climatology and precipitation impacts

JD Wille, V Favier, IV Gorodetskaya… - Journal of …, 2021 - Wiley Online Library
The Antarctic ice sheet (AIS) is sensitive to short‐term extreme meteorological events that
can leave long‐term impacts on the continent's surface mass balance (SMB). We investigate …

Trends in Antarctic Ice Sheet elevation and mass

A Shepherd, L Gilbert, AS Muir… - Geophysical …, 2019 - Wiley Online Library
Abstract Fluctuations in Antarctic Ice Sheet elevation and mass occur over a variety of time
scales, owing to changes in snowfall and ice flow. Here we disentangle these signals by …

[HTML][HTML] What is the surface mass balance of Antarctica? An intercomparison of regional climate model estimates

R Mottram, N Hansen, C Kittel, JM van Wessem… - The …, 2021 - tc.copernicus.org
We compare the performance of five different regional climate models (RCMs)(COSMO-CLM
2, HIRHAM5, MAR3. 10, MetUM, and RACMO2. 3p2), forced by ERA-Interim reanalysis, in …

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 …