Global warming in the pipeline

JE Hansen, M Sato, L Simons… - Oxford Open Climate …, 2023 - academic.oup.com
Improved knowledge of glacial-to-interglacial global temperature change yields Charney
(fast-feedback) equilibrium climate sensitivity 1.2±0.3° C (2σ) per W/m2, which is 4.8° C±1.2° …

Mass balances of the Antarctic and Greenland ice sheets monitored from space

IN Otosaka, M Horwath, R Mottram, S Nowicki - Surveys in Geophysics, 2023 - Springer
Satellite data have revealed that the Greenland and Antarctic Ice Sheets are changing
rapidly due to warming air and ocean temperatures. Crucially, Earth Observations can now …

Short-and long-term variability of the Antarctic and Greenland ice sheets

E Hanna, D Topál, JE Box, S Buzzard… - Nature Reviews Earth & …, 2024 - nature.com
The variability of the Antarctic and Greenland ice sheets occurs on various timescales and is
important for projections of sea level rise; however, there are substantial uncertainties …

Higher Antarctic ice sheet accumulation and surface melt rates revealed at 2 km resolution

B Noël, JM van Wessem, B Wouters, L Trusel… - Nature …, 2023 - nature.com
Antarctic ice sheet (AIS) mass loss is predominantly driven by increased solid ice discharge,
but its variability is governed by surface processes. Snowfall fluctuations control the surface …

Contemporary ice sheet thinning drives subglacial groundwater exfiltration with potential feedbacks on glacier flow

AA Robel, SJ Sim, C Meyer, MR Siegfried… - Science …, 2023 - science.org
Observations indicate that groundwater-laden sedimentary aquifers are extensive beneath
large portions of the Greenland and Antarctic ice sheets. A reduction in the mechanical …

Ubiquitous acceleration in Greenland Ice Sheet calving from 1985 to 2022

CA Greene, AS Gardner, M Wood, JK Cuzzone - Nature, 2024 - nature.com
Nearly every glacier in Greenland has thinned or retreated over the past few decades,,–,
leading to glacier acceleration, increased rates of sea-level rise and climate impacts around …

[HTML][HTML] The stability of present-day Antarctic grounding lines–Part 1: No indication of marine ice sheet instability in the current geometry

EA Hill, B Urruty, R Reese, J Garbe, O Gagliardini… - The …, 2023 - tc.copernicus.org
Theoretical and numerical work has shown that under certain circumstances grounding lines
of marine-type ice sheets can enter phases of irreversible advance and retreat driven by the …

[HTML][HTML] Long-term ice mass changes in Greenland and Antarctica derived from satellite laser ranging

F Gałdyn, K Sośnica, R Zajdel, U Meyer… - Remote Sensing of …, 2024 - Elsevier
Time-variable gravity field models obtained from satellite gravimetric techniques allow for
the assessment of ice sheet mass changes in remote polar regions, such as Greenland and …

Global and regional ocean mass budget closure since 2003

CB Ludwigsen, OB Andersen, B Marzeion… - Nature …, 2024 - nature.com
In recent sea level studies, discrepancies have arisen in ocean mass observations obtained
from the Gravity Recovery and Climate Experiment and its successor, GRACE Follow-On …

Monitoring Earth's climate variables with satellite laser altimetry

LA Magruder, SL Farrell, A Neuenschwander… - Nature Reviews Earth & …, 2024 - nature.com
Satellite laser altimetry measures accurate elevations of the Earth's surface and precise
changes with time, monitoring key climate variables. These observations have transformed …