[PDF] Top 20 Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

... 2.3). The vertical dimension is scaled with the lo- cal ice thickness, and consists of 15 layers with increasing resolution near the bed, to accurately take into account ... See full document

... analysis of the MarAsl2 velocity response with emphasis on upstream ice supply, we focus on the slid- ing area of Greenland below the 2000 m topographic ...contour. ... See full document

... over the entire GrIS. Blue and red lines correspond to ...RCP4.5 and RCP8.5 future climate scenarios, respectively, green and black lines (thin: annual mean data, bold: 5 yr ... See full document

... mate Models (RCMs) in conjunction with those obtained from spaceborne microwave brightness temperatures to study surface and near-surface melt variability over the GrIS since ... See full document

... determines the cold content of the snow before the melting season ...starts. To ac- count for the effects of refreezing below this depth requires a more comprehensive ... See full document

... Moreover, the results demonstrate that it is difficult to up- hold continuity and match the observed ...that the optimization is finding its way into a local minimum that is difficult ... See full document

... For the GrIS, precipitation (P) in the form of snowfall is the main contribution to the mass input, while mass loss is a combination of sublimation (S), melt ... See full document

... metadata. The equilibrium line in this region is situated at a relatively high altitude (∼ 1500 m), meaning that 5 AWS are located in the ablation ...into the accumulation zone, though melt does ... See full document

... between the three perturbation experiments detailed below lead to only small differences in the total SMB after one century ...order of magnitude lower than those between the various ... See full document

... use of these AWS observations is not limited to studies of ice-sheet mass ...contributes to Cryo- Net (www.globalcryospherewatch.org/cryonet), the core net- work ... See full document

... scriptions of anticipated parameter interactions). Figure 4 shows inclined bands of high marginal posterior probability in the ice positive degree-day factor ...vs. ice flow factor, ... See full document

... existing balance flux schemes (Quinn et al., 1991; Budd and Warner, 1996; Tarboton, ...a mass conserving balance flux on any topography and is able to accumulate water in sub- ... See full document

... Hemisphere ice sheets covering Canada and northern Europe at the Last Glacial Maximum (LGM) exerted a strong influence on climate by causing changes in atmo- spheric and oceanic ... See full document

... coupled the FAMOUS global AOGCM (atmosphere-ocean general circulation model) to the Glim- mer thermomechanical ice-sheet model in order to study the development of ... See full document

... portion of time of such a future simulation the modelled ice would melt in areas, where in reality no ice exists (Goelzer et ...GIS ice sheet models cannot simulate ... See full document

... at the upper surface was simulated by adding new elements on top of the domain, in which temper- ature was set to the surface ...temperature. Surface ... See full document

... leading to a seaward displacement of the model coastline; and (2) our SIA-type model does neither accurately describe fast flowing glaciers, nor the calving ...leads to an ... See full document

... which the data sets are based) available over ...along the coast by the Danish Meteorological Institute (DMI) weather ...for the GrIS (Fet- tweis et ...DMI and Swiss Camp (west ... See full document

... consequently, the GrIS is likely to loose mass. In this case, the resulting freshwater increase could, on the one hand, per- turb the thermohaline circulation (THC) by ... See full document

... W., and van den Broeke, M. R.: Greenland ice sheet surface mass balance: evaluating simulations and making projections with regional climate models, ... See full document