Member Since 1999
Helen Fricker
Professor, Scripps Institution of Oceanography
AGU Research
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Coincident lake drainage and grounding line retreat at Engelhardt Subglacial Lake, West Antarctica
AGU 2024
cryosphere | 12 december 2024
Bryony Freer, Oliver Marsh, Helen Amanda Fricker, ...
Antarctica has an active subglacial hydrological system, with interconnected subglacial lakes fed by subglacial meltwater. Subglacial hydrology can in...
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The Eras of Satellite Altimetry: Three decades of monitoring Antarctic mass loss processes
AGU 2024
cryosphere | 11 december 2024
Helen Amanda Fricker
Satellite altimetry has been a crucial tool for monitoring the Antarctic Ice Sheet since the first near-polar radar altimeter (RA) on ESA's ERS-1 in 1...
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Observing Antarctic grounding line migration with ICESat-2 altimetry
AGU 2024
cryosphere | 11 december 2024
Bryony Freer, Oliver Marsh, Helen Amanda Fricker, ...
Observations of Antarctic grounding zones have been recently highlighted as the missing key to understanding ice melt in Antarctica (Rignot, 2023). Ic...
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Positive Antarctic Mass Balance Contributions from Extreme Precipitation Observed in Short-Period ICESat-2 Data, 2019–2024
AGU 2024
cryosphere | 11 december 2024
Susheel Adusumilli, Helen Amanda Fricker
Projected increases in Antarctic Ice Sheet precipitation in the 21st century will modify its associated sea level contribution. However, there is limi...
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Evaluating processes contributing to changes in Antarctic ice shelf buttressing, using ICESat-2 altimetry and WorldView stereo-photogrammetric DEMs
AGU 2024
cryosphere | 09 december 2024
Chancelor Roberts, Helen Amanda Fricker, Susheel A...
Mass loss from Antarctica has been contributing to global sea level since the 1990s, and is accelerating with time, but projections are deeply uncerta...
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Beyond GEDI, ICESat-2, and LVIS; Advancing Spaceborne Laser Altimetry for Mapping and Monitoring Ecosystems and Cryospheric Change
AGU 2024
global environmental change | 09 december 2024
James B. Blair, Scott B. Luthcke, Helen Amanda Fri...
The Earth Dynamics Geodetic Explorer (EDGE) is a space-based swath-imaging laser altimeter selected for Phase A funding under NASAs Earth Systems Expl...
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Bringing our changing Earth into a clear focus: how NASA's laser altimetry revolutionizes ice sheet science
AGU 2024
global environmental change | 09 december 2024
Beata M. Csatho, Helen Amanda Fricker, Scott B. Lu...
The cryosphere is a global climate regulator and a significant contributor to sea level change. NASA has launched the Ice, Cloud and land Elevation Sa...
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The Multi-decadal Collapse of East Antarctica’s Conger-Glenzer Ice Shelf
AGU 2024
cryosphere | 09 december 2024
Catherine C. Walker, Joanna D. Millstein, Bertie M...
Antarctica is losing net mass to the ocean; the majority has occurred from West Antarctica and the Antarctic Peninsula, which together hold ~5.5 m of ...
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