Search Results - "Fricker, H. A"

Antarctic ice-sheet loss driven by basal melting of ice shelves by Pritchard, H. D., Ligtenberg, S. R. M., Fricker, H. A., Vaughan, D. G., van den Broeke, M. R., Padman, L.

“…Using satellite laser altimetry, basal melting of ice shelves is determined to be the main driver of Antarctic ice-sheet loss,with changing climate the likely…”
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Choosing the future of Antarctica by Rintoul, S. R., Chown, S. L., DeConto, R. M., England, M. H., Fricker, H. A., Masson-Delmotte, V., Naish, T. R., Siegert, M. J., Xavier, J. C.

“…We present two narratives on the future of Antarctica and the Southern Ocean, from the perspective of an observer looking back from 2070. In the first…”
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Response of Pacific-sector Antarctic ice shelves to the El Niño/Southern Oscillation by Paolo, F. S., Padman, L., Fricker, H. A., Adusumilli, S., Howard, S., Siegfried, M. R.

“…Satellite observations over the past two decades have revealed increasing loss of grounded ice in West Antarctica, associated with floating ice shelves that…”
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Ross Ice Shelf response to climate driven by the tectonic imprint on seafloor bathymetry by Tinto, K. J., Padman, L., Siddoway, C. S., Springer, S. R., Fricker, H. A., Das, I., Caratori Tontini, F., Porter, D. F., Frearson, N. P., Howard, S. L., Siegfried, M. R., Mosbeux, C., Becker, M. K., Bertinato, C., Boghosian, A., Brady, N., Burton, B. L., Chu, W., Cordero, S. I., Dhakal, T., Dong, L., Gustafson, C. D., Keeshin, S., Locke, C., Lockett, A., O’Brien, G., Spergel, J. J., Starke, S. E., Tankersley, M., Wearing, M. G., Bell, R. E.

“…Ocean melting has thinned Antarctica’s ice shelves at an increasing rate over the past two decades, leading to loss of grounded ice. The Ross Ice Shelf is…”
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Mid‐Holocene Grounding Line Retreat and Readvance at Whillans Ice Stream, West Antarctica by Venturelli, R. A., Siegfried, M. R., Roush, K. A., Li, W., Burnett, J., Zook, R., Fricker, H. A., Priscu, J. C., Leventer, A., Rosenheim, B. E.

“…Understanding ice sheet evolution through the geologic past can help constrain ice sheet models that predict future ice dynamics. Existing geological records…”
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A range correction for ICESat and its potential impact on ice-sheet mass balance studies by Borsa, A. A, Moholdt, G, Fricker, H. A, Brunt, K. M

“…We report on a previously undocumented range error in NASA's Ice, Cloud and land Elevation Satellite (ICESat) that degrades elevation precision and introduces…”
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Impact of tide-topography interactions on basal melting of Larsen C Ice Shelf, Antarctica by Mueller, R. D., Padman, L., Dinniman, M. S., Erofeeva, S. Y., Fricker, H. A., King, M. A.

“…Basal melting of ice shelves around Antarctica contributes to formation of Antarctic Bottom Water and can affect global sea level by altering the offshore flow…”
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ICESat Antarctic elevation data: Preliminary precision and accuracy assessment by Shuman, C. A., Zwally, H. J., Schutz, B. E., Brenner, A. C., DiMarzio, J. P., Suchdeo, V. P., Fricker, H. A.

“…Since ‘first light’ on February 20th, 2003, NASA's Ice, Cloud, and land Elevation Satellite (ICESat) has derived surface elevations from ∼86°N to 86°S…”
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Oceanic and atmospheric forcing of Larsen C Ice-Shelf thinning by Holland, P. R, Brisbourne, A, Corr, H. F. J, McGrath, D, Purdon, K, Paden, J, Fricker, H. A, Paolo, F. S, Fleming, A. H

“…The catastrophic collapses of Larsen A and B ice shelves on the eastern Antarctic Peninsula have caused their tributary glaciers to accelerate, contributing to…”
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Author Correction: Choosing the future of Antarctica by Rintoul, S. R., Chown, S. L., DeConto, R. M., England, M. H., Fricker, H. A., Masson-Delmotte, V., Naish, T. R., Siegert, M. J., Xavier, J. C.

“…On page 234 of this Perspective, ‘50% decrease’ has been corrected online to ‘50% increase’ in the sentence “The pH of surface waters south of 60° S decreased…”
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Reactivation of Kamb Ice Stream tributaries triggers century-scale reorganization of Siple Coast ice flow in West Antarctica by Bougamont, M., Christoffersen, P., Price, S. F., Fricker, H. A., Tulaczyk, S., Carter, S. P.

“…Ongoing, centennial‐scale flow variability within the Ross ice streams of West Antarctica suggests that the present‐day positive mass balance in this region…”
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Seventeen Antarctic seismic events detected by global surface waves and a possible link to calving events from satellite images by Chen, X., Shearer, P. M., Walter, F., Fricker, H. A.

“…We detect 17 seismic events in Antarctica from 1997 to 2009 by applying a surface wave detector to global seismic data. We locate these events using a waveform…”
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Structural and environmental controls on Antarctic ice shelf rift propagation inferred from satellite monitoring by Walker, C. C., Bassis, J. N., Fricker, H. A., Czerwinski, R. J.

“…Iceberg calving from ice shelves accounts for nearly half of the mass loss from the Antarctic Ice Sheet, yet our understanding of this process is limited. The…”
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Assessment of ICESat performance at the salar de Uyuni, Bolivia by Fricker, H. A., Borsa, A., Minster, B., Carabajal, C., Quinn, K., Bills, B.

“…The primary goal of the Ice, Cloud and land Elevation Satellite (ICESat) mission is ice sheet elevation change detection. Confirmation that ICESat is achieving…”
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Multi-year monitoring of rift propagation on the Amery Ice Shelf, East Antarctica by Fricker, H. A., Young, N. W., Coleman, R., Bassis, J. N., Minster, J.-B.

“…We use satellite imagery from four sensors (Multi‐angle Imaging SpectroRadiometer (MISR), Enhanced Thematic Mapper (ETM), and RADARSAT and ERS Synthetic…”
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Variable deceleration of Whillans Ice Stream, West Antarctica by Beem, L. H., Tulaczyk, S. M., King, M. A., Bougamont, M., Fricker, H. A., Christoffersen, P.

“…The Whillans Ice Stream Ice Plain (WIP) has been slowing since at least 1963. Prior constraints on this slowdown were consistent with a constant long‐term…”
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Snow Accumulation Variability on a West Antarctic Ice Stream Observed with GPS Reflectometry, 2007-2017 by Siegfried, M. R., Medley, B., Larson, K. M., Fricker, H. A., Tulaczyk, S.

“…Land ice loss from Antarctica is a significant and accelerating contribution to global sea level rise; however, Antarctic mass balance estimates are…”
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ICESat's new perspective on ice shelf rifts: The vertical dimension by Fricker, H. A., Bassis, J. N., Minster, B., MacAyeal, D. R.

“…The small footprint (∼70 m) and ∼172 m along‐track spacing of the Geoscience Laser Altimeter System (GLAS) on the Ice, Cloud and land Elevation Satellite…”
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A microbial ecosystem beneath the West Antarctic ice sheet by Christner, Brent C., Priscu, John C., Achberger, Amanda M., Barbante, Carlo, Carter, Sasha P., Christianson, Knut, Michaud, Alexander B., Mikucki, Jill A., Mitchell, Andrew C., Skidmore, Mark L., Vick-Majors, Trista J.

“…There has been active debate over microbial life in Antarctic subglacial lakes owing to a paucity of direct observations from beneath the ice sheet and…”
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Episodic propagation of a rift on the Amery Ice Shelf, East Antarctica by Bassis, J. N., Coleman, R., Fricker, H. A., Minster, J. B.

“…We investigate ice shelf rift propagation using a combination of GPS and seismic measurements near the tip of an active rift in the Amery Ice Shelf. These…”
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