DOI: 10.18739/a2h12v80v
title: Model simulations from Modèle Atmosphérique Regionale (MAR) over Greenland, 1948-2016

description: Here we provide an archive of Modèle Atmosphérique Regionale v. 3.5.2 simulations over Greenland. This archive contains daily data at 20-kilometer resolution with lateral boundary forcings from the National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis model. Data are provided in netCDF format, where information of all variables and their units are provided within the netCDF files. See method section for more detailed description of the data.
 Citation: If this dataset is used in any publication, this data repository and Fettweis et al. 2017 should be cited. Contact Xavier Fettweis for obtaining more recent MAR based simulations (see contact information in metadata).
 List of variables in the dataset (this list is also provided in the data_variables.csv file)
 Variable, Variable description, Units
 TIME, time, hours since 1901-01-15 00:00:00
 X12_84, X coordinate, km
 Y21_155,Y coordinate, km
 LON, Longitude, degrees
 LAT, Latitude, degrees
 SH, Surface Height, m
 SRF, Surface Type, -
 SOL, Soil Type, -
 SLO, Surface Slope, -
 CZ, Cosine of Solar Zenith Angle, -
 SAL, Soil Albedo, -
 VEG, Vegetation Type Index, -
 MSK, Ice Sheet Area, -
 FRV, Vegetation Class Coverage, %
 FRA, Surface fraction:sic or land, %
 SHSN0, Ini. old firn/ice thickness , m
 SHSN2, Snow Pack Height above Ice, m
 SHSN3, Snow Pack Height Total, m
 SMB, Surface Mass Balance (SMB~SF+RF-RU-SU-SW), mmWE/day
 SU, Sublimation and evaporation, mmWE/day
 ME, Meltwater production, mmWE/day
 RZ, Meltwater refreezing and deposition, mmWE/day
 SW, Surface Water, mmWE/day
 SF, Snowfall, mmWE/day
 RF, Rainfall, mmWE/day
 RU, Run-off of meltwater and rain water, mmWE/day
 CP, Convective precipitation, mmWE/day
 UU, x-Wind Speed component, m/s
 VV, y-Wind Speed component, m/s
 TT, Temperature, C
 ZZ, Model Surface Height, m
 QQ, Specific Humidity, g/kg
 UV, Wind Speed, m/s
 RH, Relative Humidity, %
 UUP, x-Wind Speed component, m/s
 VVP, y-Wind Speed component, m/s
 TTP, Temperature, C
 ZZP, Height, m
 QQP, Specific Humidity, g/kg
 UUZ, x-Wind Speed component, m/s
 VVZ, y-Wind Speed component, m/s
 TTZ, Temperature, C
 QQZ, Specific Humidity, g/kg
 UVZ, Horizontal Wind Speed, m/s
 TTMIN, Min Temp, C
 TTMAX, Max Temp, C
 SP, Surface Pressure, hPa
 UVMAX, Maximum Wind Speed, m/s
 TTH, Hourly Temperature, C
 QQH, Hourly Specific Humidity, g/kg
 UUH, Hourly x-Wind Speed component, m/s
 VVH, Hourly y-Wind Speed component, m/s
 SWDH, Hourly Short Wave Downward, w/m2
 LWDH, Hourly Long Wave Downward, W/m2
 LWUH, Hourly Long Wave Upward, W/m2
 SPH, Hourly Surface Pressure, hPa
 SHFH, Hourly Sensible Heat Flux, W/m2
 LHFH, Hourly Latent Heat Flux, W/m2
 ALH, Hourly Albedo, -
 CCH, Hourly Cloud Cover, -
 SWD, Short Wave Downward, W/m2
 LWD, Long Wave Downward, W/m2
 LWU, Long Wave Upward, W/m2
 SHF, Sensible Heat Flux, W/m2
 LHF, Latent Heat Flux, W/m2
 AL1, Albedo (Tot Refl/Tot Inc), -
 AL2, Albedo, -
 AL, Albedo, -
 QW, Cloud Dropplets Concent., kg/kg
 QI, Cloud Ice Crystals Concent., kg/kg
 QS, Cloud Snow Flakes Concent., kg/kg
 QR, Cloud Rain Concentration, kg/kg
 CC, Cloud Cover, -
 COD, Cloud Optical Depth, -
 CU, Cloud Cover (up), -
 CM, Cloud Cover (Middle), -
 CD, Cloud Cover (down), -
 R0, Roughness length for Heat, m
 Z0, Roughness length for Moment., m
 PBL, Height of Bound. Layer (2val.), m
 WVP, Water Vapour Path, kg/m2
 IWP, Ice Water Path, kg/m2
 CWP, Condensed Water Path, kg/m2
 ST, Surface Temperature, C
 ST2, Surface Temperature, C
 PDD, Postive Degree Day, C
 SWSN, Surficial Water Specific Mass, mmWE
 RO1, Snow Density, kg/m3
 TI1, Ice/Snow Temperature, C
 WA1, Liquid Water Content, kg/kg
 G11, g1 (Dendri./Spheri.), -
 G21, g2 (Sphericity/Size), -
 References:
 Fettweis X, Box JE, Agosta C, Amory C, Kittel C, Lang C, van As D, Machguth H and Gallée H (2017) Reconstructions of the 1900–2015 Greenland ice sheet surface mass balance using the regional climate MAR (Modèle Atmosphérique Régional) model. The Cryosphere 11(2), 1015–1033 (doi:10.5194/tc-11-1015-2017)