Search Results - "A. Aschwanden"

Calibrated Mass Loss Predictions for the Greenland Ice Sheet by Aschwanden, A., Brinkerhoff, D. J.

“…The potential contribution of ice sheets remains the largest source of uncertainty in predicting sea‐level due to the limited predictive skill of numerical ice…”
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Mathematical modeling and numerical simulation of polythermal glaciers by Aschwanden, A., Blatter, H.

“…A mathematical model for polythermal glaciers and ice sheets is presented. The enthalpy balance equation is solved in cold and temperate ice together using an…”
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Hindcasting to measure ice sheet model sensitivity to initial states by Aschwanden, A, Aðalgeirsdóttir, G, Khroulev, C

“…Validation is a critical component of model development, yet notoriously challenging in ice sheet modeling. Here we evaluate how an ice sheet system model…”
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Glacier dynamics at Helheim and Kangerdlugssuaq glaciers, southeast Greenland, since the Little Ice Age by Khan, S. A, Kjeldsen, K. K, Kjær, K. H, Bevan, S, Luckman, A, Aschwanden, A, Bjørk, A. A, Korsgaard, N. J, Box, J. E, van den Broeke, M, van Dam, T. M, Fitzner, A

“…Observations over the past decade show significant ice loss associated with the speed-up of glaciers in southeast Greenland from 2003, followed by a…”
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Benchmark experiments for higher-order and full-Stokes ice sheet models (ISMIP–HOM) by Pattyn, F., Perichon, L., Aschwanden, A., Breuer, B., de Smedt, B., Gagliardini, O., Gudmundsson, G. H., Hindmarsh, R. C. A., Hubbard, A., Johnson, J. V., Kleiner, T., Konovalov, Y., Martin, C., Payne, A. J., Pollard, D., Price, S., Rückamp, M., Saito, F., Souček, O., Sugiyama, S., Zwinger, T.

“…We present the results of the first ice sheet model intercomparison project for higher-order and full-Stokes ice sheet models. These models are compared and…”
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High-power passively mode-locked semiconductor lasers by Haring, R., Paschotta, R., Aschwanden, A., Gini, E., Morier-Genoud, F., Keller, U.

“…We have developed optically pumped passively mode-locked vertical-external-cavity surface-emitting lasers. We achieved as much as 950 mW of mode-locked average…”
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Towards wafer-scale integration of high repetition rate passively mode-locked surface-emitting semiconductor lasers by LORENSER, D, UNOLD, H. J, MAAS, D. J. H. C, ASCHWANDEN, A, GRANGE, R, PASCHOTTA, R, EBLING, D, GINI, E, KELLER, U

“…One of the most application-relevant milestones that remain to be achieved in the field of passively mode-locked surface-emitting semiconductor lasers is the…”
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Picosecond pulse sources with multi-GHz repetition rates and high output power by Paschotta, R, Krainer, L, Lecomte, S, Spühler, G J, Zeller, S C, Aschwanden, A, Lorenser, D, Unold, H J, Weingarten, K J, Keller, U

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The “Paris-End” of Town? Deriving Urban Typologies Using Three Imagery Types by Nice, Kerry A., Thompson, Jason, Wijnands, Jasper S., Aschwanden, Gideon D. P. A., Stevenson, Mark

“…Urban typologies allow areas to be categorised according to form and the social, demographic, and political uses of the areas. The use of these typologies and…”
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Earth's hypsometry and what it tells us about global sea level by Pedersen, V.K., Gomez, N., Mitrovica, J.X., Jungdal-Olesen, G., Andersen, J.L., Garbe, J., Aschwanden, A., Winkelmann, R.

“…•Earth's hypsometry shows a prominene maximum ∼2–5 m above the sea surface.•We explore how this maximum evolved over a glacial cycle and into the…”
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Brief communication: A roadmap towards credible projections of ice sheet contribution to sea level by Aschwanden, Andy, Bartholomaus, Timothy C, Brinkerhoff, Douglas J, Truffer, Martin

“…Accurately projecting mass loss from ice sheets is of critical societal importance. However, despite recent improvements in ice sheet models, our analysis of a…”
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The future sea-level contribution of the Greenland ice sheet: a multi-model ensemble study of ISMIP6 by Goelzer, Heiko, Nowicki, Sophie, Payne, Anthony, Larour, Eric, Seroussi, Helene, Lipscomb, William H, Gregory, Jonathan, Abe-Ouchi, Ayako, Shepherd, Andrew, Simon, Erika, Agosta, Cécile, Alexander, Patrick, Aschwanden, Andy, Barthel, Alice, Calov, Reinhard, Chambers, Christopher, Choi, Youngmin, Cuzzone, Joshua, Dumas, Christophe, Edwards, Tamsin, Felikson, Denis, Fettweis, Xavier, Golledge, Nicholas R, Greve, Ralf, Humbert, Angelika, Huybrechts, Philippe, Le clec'h, Sebastien, Lee, Victoria, Leguy, Gunter, Little, Chris, Lowry, Daniel P, Morlighem, Mathieu, Nias, Isabel, Quiquet, Aurelien, Rückamp, Martin, Schlegel, Nicole-Jeanne, Slater, Donald A, Smith, Robin S, Straneo, Fiamma, Tarasov, Lev, van de Wal, Roderik, van den Broeke, Michiel

“…The Greenland ice sheet is one of the largest contributors to global mean sea-level rise today and is expected to continue to lose mass as the Arctic continues…”
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Design and results of the ice sheet model initialisation initMIP-Greenland: an ISMIP6 intercomparison by H. Goelzer, H. Goelzer, S. Nowicki, T. Edwards, T. Edwards, M. Beckley, A. Abe-Ouchi, A. Aschwanden, R. Calov, O. Gagliardini, F. Gillet-Chaulet, N. R. Golledge, J. Gregory, J. Gregory, R. Greve, A. Humbert, A. Humbert, P. Huybrechts, J. H. Kennedy, J. H. Kennedy, E. Larour, W. H. Lipscomb, W. H. Lipscomb, S. Le clec'h, V. Lee, M. Morlighem, F. Pattyn, A. J. Payne, C. Rodehacke, C. Rodehacke, M. Rückamp, F. Saito, N. Schlegel, H. Seroussi, A. Shepherd, S. Sun, R. van de Wal, F. A. Ziemen

“…Earlier large-scale Greenland ice sheet sea-level projections (e.g. those run during the ice2sea and SeaRISE initiatives) have shown that ice sheet initial…”
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Agent based evaluation of dynamic city models: A combination of human decision processes and an emission model for transportation based on acceleration and instantaneous speed by ASCHWANDEN, Gideon D. P. A, WULLSCHLEGER, Tobias, MÜLLER, Hanspeter, SCHMITT, Gerhard

“…This project presents a simulation tool to evaluate procedurally generated 3D city models with a set of agents representing pedestrians, the environment and…”
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Greenland and Canadian Arctic Ice Temperature Profiles Database by Løkkegaard, Anja, Zdanowicz, Christian, Clow, Gary D., Lüthi, Martin P., Doyle, Samuel H., Thomsen, Henrik H., Fisher, David, Harper, Joel, Aschwanden, Andy, Vinther, Bo M., Dahl-Jensen, Dorthe, Zekollari, Harry, Meierbachtol, Toby, McDowell, Ian, Humphrey, Neil, Solgaard, Anne, Karlsson, Nanna B., Khan, Shfaqat A., Hills, Benjamin, Law, Robert, Hubbard, Bryn, Christoffersen, Poul, Jacquemart, Mylène, Seguinot, Julien, Fausto, Robert S., Colgan, William T.

“…Here, we present a compilation of 95 ice temperature profiles from 85 boreholes from the Greenland ice sheet and peripheral ice caps, as well as local ice caps…”
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Real-time monitoring of driver drowsiness on mobile platforms using 3D neural networks by Wijnands, Jasper S., Thompson, Jason, Nice, Kerry A., Aschwanden, Gideon D. P. A., Stevenson, Mark

“…Driver drowsiness increases crash risk, leading to substantial road trauma each year. Drowsiness detection methods have received considerable attention, but…”
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Real-time monitoring of driver drowsiness on mobile platforms using 3D neural networks by Wijnands, Jasper S, Thompson, Jason, Nice, Kerry A, Aschwanden, Gideon D. P. A, Stevenson, Mark

“…Neural Computing and Applications (2019) Driver drowsiness increases crash risk, leading to substantial road trauma each year. Drowsiness detection methods…”
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The 'Paris-end' of town? Urban typology through machine learning by Nice, Kerry A, Thompson, Jason, Wijnands, Jasper S, Aschwanden, Gideon D. P. A, Stevenson, Mark

“…The confluence of recent advances in availability of geospatial information, computing power, and artificial intelligence offers new opportunities to…”
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Modelled glacier dynamics over the last quarter of a century at Jakobshavn Isbræ by Muresan, Ioana S., Khan, Shfaqat A., Aschwanden, Andy, Khroulev, Constantine, Van Dam, Tonie, Bamber, Jonathan, van den Broeke, Michiel R., Wouters, Bert, Kuipers Munneke, Peter, Kjær, Kurt H.

“…Observations over the past 2 decades show substantial ice loss associated with the speed-up of marine-terminating glaciers in Greenland. Here we use a regional…”
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Meltwater production due to strain heating in Storglaciären, Sweden by Aschwanden, Andy, Blatter, Heinz

“…Storglaciären, northern Sweden, is temperate in most parts except for a cold surface layer in the ablation zone. One of four possible sources for liquid water…”
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