搜索结果: 16-30 共查到“理学 ice sheet”相关记录41条 . 查询时间(0.178 秒)
A fully coupled 3-D ice-sheet–sea-level model: algorithm and applications
3-D ice-sheet–sea-level model algorithm
2014/12/19
Relative sea-level variations during the late Pleistocene can only be reconstructed with the knowledge of icesheet history.
Formulation, calibration and validation of the DAIS model (version 1), a simple Antarctic ice sheet model sensitive to variations of sea level and ocean subsurface temperature
Formulation calibration validation DAIS model simple Antarctic ice sheet model sensitive sea level ocean subsurface temperature
2014/12/19
The DCESS (Danish Center for Earth System Science) Antarctic Ice Sheet (DAIS) model is presented. Model hindcasts of Antarctic ice sheet (AIS) sea level equivalent are forced by reconstructed Antarcti...
Ice sheet dynamics within an earth system model: downscaling, coupling and first results
earth system model downscaling
2014/12/19
We present first results from a coupled model
setup, consisting of the state-of-the-art ice sheet model
RIMBAY (Revised Ice Model Based on frAnk pattYn), and
the community earth system model ...
“Probabilistic calibration of a Greenland Ice Sheet model using spatially resolved synthetic observations: toward projections of ice mass loss with uncertainties” published in Geosci. Model Dev., 7, 1933–1943, 2014
Greenland Ice Sheet spatially resolved synthetic observations
2014/12/19
Due to an oversight in the production process, the article “Probabilistic calibration of a Greenland Ice Sheet model
using spatially resolved synthetic observations: toward projections of ice mass lo...
A technique for generating consistent ice sheet initial conditions for coupled ice sheet/climate models
generating consistent ice sheet ice
2014/12/18
A transient technique for generating ice sheet
preindustrial initial conditions for long-term coupled ice
sheet/climate model simulations is developed and demonstrated over the Greenland ice sheet u...
Capabilities and performance of Elmer/Ice, a new-generation ice sheet model
Elmer/Ice ice sheet model
2014/12/12
The Fourth IPCC Assessment Report concluded
that ice sheet flow models, in their current state, were unable to provide accurate forecast for the increase of polar
ice sheet discharge and the a...
Description of a hybrid ice sheet-shelf model, and application to Antarctica
3 d ice model hybrid combination shallow ice floating ice shelf grounding line migration parameterized ice flow
2014/12/10
The formulation of a 3-D ice sheet-shelf model is described. The model is designed for long-term continental-scale applications, and has been used mostly in paleoclimatic studies. It uses a hybrid com...
Pliocene Ice Sheet Modelling Intercomparison Project (PLISMIP) – experimental design
Sheet Modelling Intercomparison Project experimental design
2014/12/10
During the mid-Pliocene warm period (3.264 to
3.025 million years ago), global mean temperature was similar to that predicted for the next century and atmospheric carbon dioxide concentrations were s...
A new coupled ice sheet/climate model: description and sensitivity to model physics under Eemian, Last Glacial Maximum, late Holocene and modern climate conditions
A new coupled ice sheet climate model description and sensitivity to model physics Eemian Last Glacial Maximum late Holocene modern climate conditions
2014/12/9
The need to better understand long-term climate/ice sheet feedback loops is motivating efforts to couple ice sheet models into Earth System models which are capable of long-timescale simulations. In t...
Improved convergence and stability properties in a three-dimensional higher-order ice sheet model
Improved convergence stability properties i
2014/12/9
We present a finite difference implementation of
a three-dimensional higher-order ice sheet model.In comparison to a conventional centred difference discretisation it
enhances both numerical s...
Confirmed: 800 meters beneath Antarctic ice sheet, subglacial lake holds viable microbial ecosystems（图）
The microbial ecosystem ice sheet
2014/8/26
B-roll from the WISSARD project is available by contacting Dena Headlee, dheadlee@nsf.gov / (703) 292-7739.
In a finding that has implications for life in other extreme environments, both on Earth an...
Antarctic ice sheet is result of CO2 decrease, not continental breakup
Antarctic ice sheet result of CO2 decrease not continental breakup
2014/8/14
Climate modelers from the University of New Hampshire have shown that the most likely explanation for the initiation of Antarctic glaciation during a major climate shift 34 million years ago was decre...
Melting history of the Patagonian Ice Sheet during Termination I inferred from marine sediments
Patagonian Ice Sheet Termination I melting history Al2O3 flux marine sediments
2017/4/11
To investigate the melting history of the Patagonian Ice Sheet (PIS) during the last deglaciation, we reconstructed
Al2O3 flux in sediments from the Magellanes fjord (53°S) and southern Patagonia (55...
Getting around Antarctica: new high-resolution mappings of the grounded and freely-floating boundaries of the Antarctic ice sheet created for the International Polar Year
Antarctica the grounded freely-floating boundaries
2014/5/20
Two ice-dynamic transitions of the Antarctic ice
sheet – the boundary of grounded ice features and the freely-floating boundary – are mapped at 15-m resolution by par-ticipants of the International P...
Interaction between ice sheet dynamics and subglacial lake circulation:a coupled modelling approach
ice sheet dynamics subglacial lake circulation coupled modelling approach
2010/2/3
Subglacial lakes in Antarctica influence to a large extent the flow of the ice sheet. In this study we use an idealised lake geometry to study this impact. We employ a) an improved three-dimensional f...