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 …

An updated assessment of the changing Arctic sea ice cover

WN Meier, J Stroeve - Oceanography, 2022 - JSTOR
Sea ice is an essential component of the Arctic climate system. The Arctic sea ice cover has
undergone substantial changes in the past 40+ years, including decline in areal extent in all …

Sea ice surface type classification of ICESat-2 ATL07 data by using data-driven machine learning model: Ross Sea, Antarctic as an example

Y Koo, H **e, NT Kurtz, SF Ackley, W Wang - Remote Sensing of …, 2023 - Elsevier
Abstract The ICESat-2 (IS2) ATL07 sea ice height product provides precise and accurate
measurements of sea ice height for the polar regions. Although the original ATL07 product …

Synoptic variability in satellite altimeter‐derived radar freeboard of Arctic sea ice

C Nab, R Mallett, W Gregory, J Landy… - Geophysical …, 2023 - Wiley Online Library
Satellite observations of sea ice freeboard are integral to the estimation of sea ice thickness.
It is commonly assumed that radar pulses from satellite‐mounted Ku‐band altimeters …

Unprecedented decline of Arctic sea ice outflow in 2018

H Sumata, L de Steur, S Gerland, DV Divine… - Nature …, 2022 - nature.com
Fram Strait is the major gateway connecting the Arctic Ocean and North Atlantic Ocean,
where nearly 90% of the sea ice export from the Arctic Ocean takes place. The exported sea …

[HTML][HTML] Faster decline and higher variability in the sea ice thickness of the marginal Arctic seas when accounting for dynamic snow cover

RDC Mallett, JC Stroeve, M Tsamados, JC Landy… - The …, 2021 - tc.copernicus.org
Mean sea ice thickness is a sensitive indicator of Arctic climate change and is in long-term
decline despite significant interannual variability. Current thickness estimations from satellite …

Advances in altimetric snow depth estimates using bi-frequency SARAL and CryoSat-2 Ka–Ku measurements

F Garnier, S Fleury, G Garric, J Bouffard… - The …, 2021 - tc.copernicus.org
Although snow depth on sea ice is a key parameter for sea ice thickness (SIT) retrieval, there
currently does not exist reliable estimations. In the Arctic, nearly all SIT products use a snow …

Linking scales of sea ice surface topography: evaluation of ICESat-2 measurements with coincident helicopter laser scanning during MOSAiC

R Ricker, S Fons, A Jutila, N Hutter, K Duncan… - The …, 2023 - tc.copernicus.org
Abstract Information about sea ice surface topography and related deformation is crucial for
studies of sea ice mass balance, sea ice modeling, and ship navigation through the ice …

A 10-year record of Arctic summer sea ice freeboard from CryoSat-2

G Dawson, J Landy, M Tsamados, AS Komarov… - Remote Sensing of …, 2022 - Elsevier
Satellite observations of pan-Arctic sea ice thickness have so far been constrained to winter
months. For radar altimeters, conventional methods cannot differentiate leads from …

[HTML][HTML] Rain on snow (ROS) understudied in sea ice remote sensing: a multi-sensor analysis of ROS during MOSAiC (Multidisciplinary drifting Observatory for the …

J Stroeve, V Nandan, R Willatt, R Dadic… - The …, 2022 - tc.copernicus.org
Arctic rain on snow (ROS) deposits liquid water onto existing snowpacks. Upon refreezing,
this can form icy crusts at the surface or within the snowpack. By altering radar backscatter …