Results 121 to 130 of about 197,433 (331)

Widespread movement of meltwater onto and across Antarctic ice shelves [PDF]

, 2017
Surface meltwater drains across ice sheets, forming melt ponds that can trigger ice-shelf collapse acceleration of grounded ice flow and increased sea-level rise.
Bell, R.E., Das, I., Ely, J.C., Kingslake, J.   +3 more
core   +1 more source

‘Building the (Im)perfect Beast’: Strategies for Identifying Appropriate Spatial Stock Assessment Model Complexity From an International, Blinded High‐Resolution Simulation Experiment

Fish and Fisheries, EarlyView.
ABSTRACT Despite their potential to inform sustainable regional harvest and climate‐resilient fisheries management, spatial stock assessment models remain underused for management advice. To identify barriers that inhibit broader use of these methods, we conducted a blinded international simulation experiment mimicking real‐world stock assessment ...
Aaron M. Berger, Daniel R. Goethel, Simon D. Hoyle, Patrick Lynch, Caren Barceló, Alistar Dunn, Brian J. Langseth, Carolina Minte‐Vera, Jemery Day, Haikun Xu, Francisco Izquierdo, Dan Fu, Nicholas D. Ducharme‐Barth, Mathew Vincent, Arnaud Grüss, Jonathan J. Deroba, Giancarlo M. Correa, Jeremy McKenzie, Will Butler, Jie Cao, Craig Marsh, Teresa A'mar, Valerio Bartolino, Massimiliano Cardinale, Claudio Castillo‐Jordan, Bjarki Þór Elvarsson, John Hampton, Andrea Havron, Pamela Mace, Arni Magnusson, Mark Maunder, Richard Methot, Sophie Mormede, Maria Grazia Pennino, Alfonso Perez‐Rodriguez, Marta Cousido‐Rocha, Thomas Teears, Agurtzane Urtizberea   +37 more
wiley   +1 more source

Glacial/interglacial changes in mineral dust and sea-salt records in polar ice cores: sources, transport, and deposition [PDF]

, 2007
Sea salt and mineral dust records as represented by Na+ and Ca2+ concentrations, respectively, in Greenland and Antarctic ice cores show pronounced glacial/interglacial variations. For the Last Glacial Maximum (LGM) mineral dust (sea salt) concentrations
Fischer, Hubertus, Ruth, Urs, Röthlisberger, Regine, Siggaard-Andersen, Marie-Louise, Wolff, Eric   +4 more
core   +1 more source

Characterisation of a cold‐adapted, thermostable glucokinase from psychrophilic Pseudoalteromonas sp. AS‐131 reveals how the enzyme achieves high thermal stability without loss of cold adaptation

The FEBS Journal, EarlyView.
We investigated glucokinase from the psychrophilic Pseudoalteromonas sp. AS‐131 (PsGK), which was isolated from the Antarctic Ocean. Biochemical studies revealed that PsGK is a cold‐adapted enzyme with high thermal stability, in contrast to general cold‐adapted enzymes, which have low thermal stability.
Akane Yato, Yuki Kato, Fuyuko Hayashi, Rio Asaka, Atsuko Ogawa, Tokuro Oda, Sayaka Tsuji, Masashi Unno, Nobuaki Soh, Keiichi Watanabe, Masaki Horitani   +10 more
wiley   +1 more source

Application of HY-2B Satellite Data to Retrieve Snow Depth on Antarctic Sea Ice

Remote Sensing
Sea ice and its surface snow are crucial components of the energy cycle and mass balance between the atmosphere and ocean, serving as sensitive indicators of climate change.
Qing Ji, Nana Liu, Mengqin Yu, Zhiming Zhang, Zehui Xiao, Xiaoping Pang   +5 more
doaj   +1 more source

Extended seasonal prediction of Antarctic sea ice concentration using ANTSIC-UNet [PDF]

The Cryosphere
Antarctic sea ice has experienced rapid change in recent years, with the total sea ice extent abruptly decreasing after a period of gradual increase from the late 1970s until 2014.
Z. Yang, Z. Yang, J. Liu, M. Song, Y. Hu, Q. Yang, K. Fan, R. G. Graversen, L. Zhou   +8 more
doaj   +1 more source

Antarctic Sea Ice Proxies from Marine and Ice Core Archives Suitable for Reconstructing Sea Ice over the Past 2000 Years

Géosciences, 2019
Dramatic changes in sea ice have been observed in both poles in recent decades. However, the observational period for sea ice is short, and the climate models tasked with predicting future change in sea ice struggle to capture the current Antarctic ...
Elizabeth R. Thomas, C. Allen, J. Etourneau, A. C. King, M. Severi, V. H. L. Winton, Juliane Mueller, X. Crosta, Victoria L. Peck   +8 more
semanticscholar   +1 more source

Multianalytical provenance analysis of Eastern Ross Sea LGM till sediments (Antarctica): Petrography, geochronology, and thermochronology detrital data [PDF]

, 2017
In order to reveal provenance of detrital sediments supplied by West Antarctic Ice Sheet (WAIS), 19 glaciomarine cores of Last Glacial Maximum age were analyzed from Eastern Ross Sea and Sulzberger Bay.
Andreucci, Benedetta, Langone, Antonio, Perotti, Matteo, Talarico, Franco, Zattin, Massimiliano   +4 more
core   +2 more sources

Unilateral Action on Climate Change and the Moral Obligation to Take Leadership

Journal of Social Philosophy, EarlyView.
ABSTRACT We claim that a moral obligation to take climate leadership by means of unilateral mitigation depends on the existence of a plausible follow‐the‐leader mechanism whereby unilateral mitigation by some increases the probability of sufficient mitigation by others to avert catastrophic climate impacts.
Daniel Steel, Rachel Cripps, C. Tyler DesRoches, Paul Bartha, Kian Mintz‐Woo   +4 more
wiley   +1 more source

Combustion of available fossil-fuel resources sufficient to eliminate the Antarctic Ice Sheet [PDF]

, 2015
The Antarctic Ice Sheet stores water equivalent to 58 m in global sea-level rise. We show in simulations using the Parallel Ice Sheet Model that burning the currently attainable fossil fuel resources is sufficient to eliminate the ice sheet.
Aschwanden, Bueler, Bueler, Caldeira, Dutton, Eby, Favier, Feldmann, Frieler, Goodwin, Joughin, Li, Lingle, Mengel, Payne, Pollard, Ridley, Rignot, Robinson, Simmons, Uotila, Weertman, Winkelmann, Zickfeld   +23 more
core   +5 more sources