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The three regional ice sheet ESL models

Manufactured solutions and the verification of three-dimensional Stokes ice-sheet models

Manufactured solutions and the verification of three-dimensional Stokes ice-sheet models

... the ice-sheet dynamics We first test the convergence of the Stokes solver for the ice-sheet dynamics using the manufactured analytical solu- tion at the initial time t = ...

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Understanding Regional Ice Sheet Mass Balance: Remote Sensing, Regional Climate Models, and Deep Learning

Understanding Regional Ice Sheet Mass Balance: Remote Sensing, Regional Climate Models, and Deep Learning

... where ice boundaries appear clearly) with a resolution of 30 m, while for Landsat 7 and 8 we utilize the “panchromatic” band ...glacier ice front with a buffer of 300 m, an area we define using ice ...

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Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

... in ice sheet to- pography and/or a change in climate ...a regional climate ...an ice sheet. When applied to an asynchronous cou- pled ice sheet – climate model setup, this ...

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Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

... simulated ice sheet volume and extent in this study are within the range of known reconstructions with similar ice sheet models, a note on the excess of ice along the ...

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Greenland ice sheet surface mass balance: evaluating simulations and making projections with regional climate models

Greenland ice sheet surface mass balance: evaluating simulations and making projections with regional climate models

... reanalysis models are also imperfect in some respects, and differences observed here between GCM outputs and ERA-40 should not necessarily be interpreted as model biases in the ...

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Melting trends over the Greenland ice sheet (1958–2009) from spaceborne microwave data and regional climate models

Melting trends over the Greenland ice sheet (1958–2009) from spaceborne microwave data and regional climate models

... Fig. 5. Value of T19H thsd (given here as anomaly in K in respect to 227.5 K) which allows the best comparison between the melt extent derived from T19H melt and simulated by the RCM (where a daily meltwater production ...

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Projecting Antarctic ice discharge using response functions from SeaRISE ice-sheet models

Projecting Antarctic ice discharge using response functions from SeaRISE ice-sheet models

... the ice-shelf cavity and salin- ity changes due to meltwater cannot be accounted for in a systematic way ...the three ice-sheet models with ice-shelf representation within the ...

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Coupled regional climate–ice-sheet simulation shows limited Greenland ice loss during the Eemian

Coupled regional climate–ice-sheet simulation shows limited Greenland ice loss during the Eemian

... a regional climate model coupled to a multi-layer snow and ice melt model with prognostic albedo calcula- ...These models simulate modern GrIS SMB very well (Fettweis et ...fixed ice ...

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Manufactured analytical solutions for isothermal full-Stokes ice sheet models

Manufactured analytical solutions for isothermal full-Stokes ice sheet models

... full-Stokes ice sheet problems. The solu- tions are constructed for three-dimensional (3-D) full-Stokes and two-dimensional (2-D) flowline ice sheet models with variable ...

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Sensitivity of the Southern Ocean to enhanced regional Antarctic ice sheet meltwater input

Sensitivity of the Southern Ocean to enhanced regional Antarctic ice sheet meltwater input

... Antarctic ice sheets and their contribution to sea level under projected future warming remains uncertain due to the influence of strong ice-climate ...Antarctic Ice Sheet (WAIS) meltwater flux ...

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Impact of asymmetric uncertainties in ice sheet dynamics on regional sea level projections

Impact of asymmetric uncertainties in ice sheet dynamics on regional sea level projections

... Asymmetric regional sea level projections Figure ...for three locations marked in panel (a): (b) Denmark Strait, (c) New York Bight, (d) east Pacific, (e) North Sea, (f) Mekong Delta Vietnam, (g) Tasmin Sea ...

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Improved convergence and stability properties in a three-dimensional higher-order ice sheet model

Improved convergence and stability properties in a three-dimensional higher-order ice sheet model

... by models that either superimpose the two shallow approxi- mations (Bueler and Brown, 2009) or by so-called higher- order models (Blatter et ...higher-order models comprise the dynamics of both ...

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Implementing an empirical scalar constitutive relation for ice with flow induced polycrystalline anisotropy in large scale ice sheet models

Implementing an empirical scalar constitutive relation for ice with flow induced polycrystalline anisotropy in large scale ice sheet models

... embayed ice shelf The first prognostic experiment simulates three-dimensional flow through a rectangular embayed ice ...initial ice thickness de- creases uniformly from 1000 m at the grounded ...

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An improved bathymetry compilation for the Bellingshausen Sea, Antarctica, to inform ice-sheet and ocean models

An improved bathymetry compilation for the Bellingshausen Sea, Antarctica, to inform ice-sheet and ocean models

... coupled ice-ocean or ice-sheet models require be- cause such simulations are computationally intensive and re- quire a significant amount of running time, especially where working in large ...

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An integrated view of Greenland Ice Sheet mass changes based on models and satellite observations

An integrated view of Greenland Ice Sheet mass changes based on models and satellite observations

... Greenland ice sheet is a major contributor to sea level rise, adding an estimated ...change, ice sheet velocity and calving front ...a regional climate model (RCM) output from an ...

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Geology datasets in North America, Greenland and surrounding areas for use with ice sheet models

Geology datasets in North America, Greenland and surrounding areas for use with ice sheet models

... into ice sheet modelling studies. We have presented three datasets that present different types of geological data, in- cluding sediment distribution, grain size and bedrock geol- ogy for the regions ...

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A technique for generating consistent ice sheet initial conditions for coupled ice sheet/climate models

A technique for generating consistent ice sheet initial conditions for coupled ice sheet/climate models

... preindustrial ice sheet state that is compati- ble for use in a fully coupled modeling framework, we use a toolchain of models within the Community Earth System Model (CESM) ...Community Ice ...

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A comparison of two Stokes ice sheet models applied to the Marine Ice Sheet Model Intercomparison Project for plan view models (MISMIP3d)

A comparison of two Stokes ice sheet models applied to the Marine Ice Sheet Model Intercomparison Project for plan view models (MISMIP3d)

... two models strongly argues that differences in the basal boundary masking schemes and in the implementation of the basal friction coefficient are the source of these ...Stokes models as a metric for ...

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Incorporation of rheological properties into ice sheet flow models

Incorporation of rheological properties into ice sheet flow models

... Contour plots of temperature, compression fraction (or ratio of strains) and enhancement factor, resulting from the model based on E(Ac) (left side) and E(&/cJ (right side) [r] ...

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Coupled models of glacial isostasy and ice sheet dynamics

Coupled models of glacial isostasy and ice sheet dynamics

... Her results showed that 38% more ice is generated over a glacial cycle when using the thin channel flow model than when using the parametrised adjustment model, c[r] ...

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