Earth's ice imbalance

T Slater, IR Lawrence, IN Otosaka… - The Cryosphere …, 2020 - tc.copernicus.org
We combine satellite observations and numerical models to show that Earth lost 28 trillion
tonnes of ice between 1994 and 2017. Arctic sea ice (7.6 trillion tonnes), Antarctic ice …

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 …

The community earth system model version 2 (CESM2)

G Danabasoglu, JF Lamarque… - Journal of Advances …, 2020 - Wiley Online Library
An overview of the Community Earth System Model Version 2 (CESM2) is provided,
including a discussion of the challenges encountered during its development and how they …

Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet

M Morlighem, E Rignot, T Binder, D Blankenship… - Nature …, 2020 - nature.com
The Antarctic ice sheet has been losing mass over past decades through the accelerated
flow of its glaciers, conditioned by ocean temperature and bed topography. Glaciers …

Pervasive ice sheet mass loss reflects competing ocean and atmosphere processes

B Smith, HA Fricker, AS Gardner, B Medley, J Nilsson… - Science, 2020 - science.org
Quantifying changes in Earth's ice sheets and identifying the climate drivers are central to
improving sea level projections. We provide unified estimates of grounded and floating ice …

Interannual variations in meltwater input to the Southern Ocean from Antarctic ice shelves

S Adusumilli, HA Fricker, B Medley, L Padman… - Nature …, 2020 - nature.com
Ocean-driven basal melting of Antarctica's floating ice shelves accounts for about half of
their mass loss in steady state, where gains in ice-shelf mass are balanced by losses. Ice …

Four decades of Antarctic Ice Sheet mass balance from 1979–2017

E Rignot, J Mouginot, B Scheuchl… - Proceedings of the …, 2019 - National Acad Sciences
We use updated drainage inventory, ice thickness, and ice velocity data to calculate the
grounding line ice discharge of 176 basins draining the Antarctic Ice Sheet from 1979 to …

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 …

ISMIP6 Antarctica: a multi-model ensemble of the Antarctic ice sheet evolution over the 21st century

H Seroussi, S Nowicki, AJ Payne… - The Cryosphere …, 2020 - tc.copernicus.org
Ice flow models of the Antarctic ice sheet are commonly used to simulate its future evolution
in response to different climate scenarios and inform on the mass loss that would contribute …

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 …