[PDF] Top 20 Refreezing on the Greenland ice sheet: a comparison of parameterizations

... above parameterizations will be forced by and compared to output of two regional climate models: RACMO2 (Re- gional Atmospheric Climate MOdel, Van Meijgaard et ...Antarctic ice sheet and/or the GrIS ... See full document

... than refreezing (Humphrey et ...the ice sheet and contribute to sea-level ...The refreezing values in this region may be higher than the calculated melt due to lateral migration of meltwater ... See full document

... The comparison of SMB trends reveals that the use of spa- tially and seasonally variable SD from the ERA-40 time se- ries follows the trends estimated across Greenland relatively well (falling within the ... See full document

... the ice sheet from the sum of SMB and discharge is termed the mass budget or input- output method (Rignot et ...2011). Comparison with independent validation data can also provide insights into the ... See full document

... the ice sheet and in the western abla- tion ...entire ice sheet, SNOWPACK simulates that almost half (47 %) of the liquid water input at the surface refreezes in snow or ...bare ice ... See full document

... Abstract. Greenland ice sheet mass losses have increased in recent decades with more than half of these attributed to sur- face meltwater ...internal refreezing and other hydro- logic ... See full document

... the ice sheet and within regional basins for comparison to ...enable comparison with discharge and runoff time series, we convert the irregular front position ob- servations to daily rates of ... See full document

... The comparison between basal water and the different GHF models in ...ice sheet. A recent machine-learning-derived map for GHF beneath Greenland by Rezvanbehbahani et ...colder ice ... See full document

... low ice sheet thickness with LMDZZ can be explained by the low precipitation in the south region in this ...local comparison of atmospheric variables is not sufficient to explain the ISM re- ...by ... See full document

... The comparison between the laser altimetry in two succes- sive summer surveys (1996 and 1997), as well as comparisons between laser altimetry and airborne SAR interferometry and ERS satellite tandem interferometry ... See full document

... The Greenland ice sheet may be considered to consist of four different zones: (1) dry zone, (2) percolation zone, (3) soaked and (4) ablation ...the Greenland ice ...before ... See full document

... Observed ice loading changes have been used by Fleming et ...whether ice thinning and bedrock subsidence can ex- ist simultaneously for the present-day (PD) Greenland ice ...the ... See full document

... new ice sheet model validation framework – the Cryospheric Model Comparison Tool (CmCt) – that aims to fill this ...the Greenland ice sheet obtained between 2003 and 2013 from ... See full document

... of Greenland Ice Sheet ice ...discharging ice that flows faster than 100 m yr −1 and are generated through an automatic and adaptable method, as opposed to conventional hand-picked ... See full document

... the ice body through moulins and the water is assumed to reach the bed near the ice-sheet ...the ice flow model, the Weertman sliding relation is therefore ex- tended with a multiplier S BL ... See full document

... cal ice thickness, and consists of 15 layers with increasing resolution near the bed, to accurately take into account the large gradient in ice velocity near the ...the ice to slide over its bed, by ... See full document

... the Greenland Ice Sheet (GrIS) is poorly constrained both in its bulk properties, for example geology, the presence of sediment, and the pres- ence of water, and interfacial conditions, such as ... See full document

... the ice sheet is los- ing mass throughout the 100-yr simulation ...the ice discharge observed during the last decade (Rignot et ...whole ice sheet in the same time, which is ex- cluded ... See full document

... the Greenland ice sheet becomes too sensitive to tem- perature ...resolution ice-sheet model – we can addition- ally fulfil a strong present-day shape constraint and achieve err(H ) ... See full document

... to ice-shelf thinning, loss of buttressing and potential grounding-line instability have been studied largely for the Antarctic Ice Sheet (AIS) (DeConto and Pollard, 2016; Favier et ...C ice ... See full document