[PDF] Top 20 Impact of spatial resolution on the modelling of the Greenland ice sheet surface mass balance between 1990–2010, using the regional climate model MAR

... km ice sheet mask to reduce the anomalies with respect to the 15 km MAR SMB compo- nents (15rt) by applying a correctional factor to each interpo- lated point (taking into account the differences ... See full document

... Thirdly, modelling results are very sensitive to the spin- up time used in the snow ...the ice sheet and the tundra are covered by the winter snow ...snow model at the end of the spring, or ... See full document

... double impact on the SMB: (i) an increase of surface melt enhanced by more frequent warm air masses advection along the western coast of Greenland by the anticyclones centred over the ice ... See full document

... Since 1990, the Institute for Marine and Atmospheric re- search Utrecht (IMAU) of Utrecht University has performed mass balance and meteorological measurements along a tran- sect (Kangerlussuaq ... See full document

... to spatial variability, the northeastern part of the ice sheet stands ...concave surface and a synoptic pressure gradient favourable for advection of cold air keep the air cold, further ... See full document

... the mass balance of the ice sheet from the sum of SMB and discharge is termed the mass budget or input- output method (Rignot et ...SMB. Mass budget estimates have, in the past, ... See full document

... a surface lowering can often lead to an increase in ...with surface elevation (Franco et ...tistical modelling to describe the spatial and temporal corre- lation structure of the gradients, ... See full document

... Four regional climate models (RCMs) – HadRM3P, HIRHAM5, MAR and RACMO2 – have been run for the area of Greenland to produce results for the recent past, forced by common sets of boundary ... See full document

... al., 2010; Fettweis et al., 2011). In fact, the inclusion of ice supersaturation in ...higher ice sheet elevations, as was also seen in simulations of Antarctic climate (Van Wessem et ... See full document

... 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 (predominantly ... See full document

... a Surface Energy and Mass balance model of Intermediate Complexity for snow- and ice-covered surfaces such as the Greenland ice ...in ice sheet ... See full document

... The Greenland ice sheet (GrIS) is the largest freshwater source in the Northern Hemisphere ...future mass balance of the GrIS [2, 3] and its contribution to sea level change [4, ... See full document

... and Climate Experiment (GRACE) mission provides monthly observations of mass changes across the AIS at a resolution of ∼ 300 ...(2014b). Mass anomalies are assigned to pre- defined drainage ... See full document

... The Regional Atmospheric Climate MOdel version 2 (RACMO2 hereafter; Van Meijgaard et ...Area Model (HIRLAM) (Undén et ...Forecasts model (ECMWF cycle 23r4, White, ...and ... See full document

... the mass input, while mass loss is a combination of sublimation (S), meltwater runoff (R) and ...total mass balance (TMB). In this study, we use the Regional Atmospheric Climate ... See full document

... the Regional Atmospheric Cli- mate Model (RACMO2) is presented in Van Meijgaard et ...High Resolution Lim- ited Area Model (HIRLAM) and the European Centre for Medium-range Weather Forecasts ... See full document

... the Greenland Ice Sheet ...sea ice cover (SIC) and sea surface temperature (SST) were ob- served in the North Atlantic, suggesting a possible connec- ...direct impact of ... See full document

... when MAR is forced by ERA- 40, which is also used to force RACMO, on which BOX13 is ...after 2010, resulting from an increasing surface ...by MAR as a result of high melt and low ...what ... See full document

... of ice sheet response are too sen- sitive to climate change (van de Wal, 1996; van de Berg, 2011), but recent studies find they are less sensitive than MAR and RACMO/GR (Goelzer et ...scheme, ... See full document

... the regional climate model ...the Greenland ice sheet (GrIS). The updated model generates more inland pre- cipitation at the expense of marginal regions, reducing the dry ... See full document