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MAR v3.2 regional climate model data for Greenland (1958-2013)

Author: Marco Tedesco
X. Fettweis
P. M. Alexander
Point of Contact: Zhengzhao Luo
Marco Tedesco
DOI: doi:10.5065/D6JH3J7Z Permanent Link, Citation
Description: Here, we provide outputs from version 3.2 of the MAR regional climate model applied over the Greenland Ice Sheet.

Outputs provided here include ice/snow surface properties, energy and mass fluxes at the surface, and atmospheric data. Data are provided in netCDF format. Descriptions of variables, including units and information about layered variables are provided within the netCDF files.

The Modèle Atmosphérique Régional (MAR), is a coupled land-atmosphere regional climate model featuring an atmospheric model described by Gallée and Shayes (1997), and the Soil Ice Snow Vegetation Atmosphere Transfer scheme surface model. The model setup used here is similar to that of Fettweis (2007), with modifications to the albedo scheme as noted by Fettweis et al. (2011). MAR has been run over Greenland and surrounding areas at a 25 km spatial resolution, forced at the lateral boundaries and ocean surface with data from the European Center for Medium-Range Weather Forecasts (ECMWF). MAR assigns surface elevation and an ice sheet mask based on the data of Bamber et al. (2013). MAR outputs provided here are from version 3.2 of the model. Version 3.2 features improvements in the representation of cloud microphysics, minor corrections to the snow albedo and snow discretization schemes, a greater number of simulated snow layers (25 layers for up to 15m of snow), and a new parameterization for bare ice albedo. MAR has been validated against satellite and in situ data (e.g. Lefebre et al. 2005, Fettweis et al. 2011) and has been used in multiple studies to simulate ice-sheet and atmospheric parameters, such as surface mass balance, surface melt, and atmospheric circulation near Greenland (e.g. Fettweis et al., 2011, Tedesco et al., 2013, Franco et al., 2013)

Bamber, J. L., Griggs, J.A., Hurkmans, R.T.W.L., Dowdeswell, J.A., Gogineni, S.P., Howat, I., Mouginot, J., Paden, J., Palmer, S., Rignot, E., Steinhage, D.: A new bed elevation dataset for Greenland, The Cryosphere, 7, 499-510, 2013.

Fettweis, X.: Reconstruction of the 1979-2006 Greenland ice sheet surface mass balance using the regional climate model MAR, The Cryosphere, 1, 21-40, 2007.

Fettweis, X., Tedesco, M., van den Broeke, M., and Ettema, J.: Melting trends over the Greenland ice sheet (1958-2009) from spaceborne microwave data and regional climate models, The Cryosphere, 5, 359-375, 2011.

Franco, B., Fettweis, X., Lang, C., and Erpicum, M.: Impact of spatial resolution on the modelling of the Greenland ice sheet surface mass balance between 1990-2012, using the regional climate model MAR, The Cryosphere, 6, 695-711, 2012.

Gallée, H., and Schayes, G.: Development of a three-dimensional meso-γ primitive equation model: katabatic winds simulation in the area of Terra Nova Bay, Antarctica, Mon. Wea. Rev., 122, 671-685, 1994.

Lefebre, F., Fettweis, X., Gallée, H., van Ypersele, J.-P., Marbaix, P., Greuell, W., and Calanca, P.: Evaluation of a high-resolution regional climate model simulation over Greenland, Climate Dynamics, 25, 99-116, doi: 10.1007/s00382-005-0005-8, 2005.

Tedesco, M., Fettweis, X., Mote, T., Wahr, J., Alexander, P., Box, J., Wouters, B.: Evidence and analysis of 2012 Greenland records from spaceborne observations, a regional climate model and reanalysis data, The Cryosphere, 7, 615-630, 2013.
Progress: Completed - Dataset fully collected/analyzed.
Time Coverage: Jan 1, 1958 - Aug 31, 2013
Northernmost Latitude: 82
Southernmost Latitude: 58
Westernmost Longitude: -90
Easternmost Longitude: 6
Science Keywords: Atmosphere > Atmospheric Radiation > Net Radiation
Cryosphere > Snow/Ice > Albedo
Atmosphere > Atmospheric Radiation > Heat Flux
Cryosphere > Snow/Ice > Snow Density
Cryosphere > Snow/Ice > Snow Melt
ISO Topic(s): geoscientificInformation
Time Frequency(ies): Hourly to Daily
Location(s): Geographic Region > Polar
North America > Greenland
Resolution(s): 10 Kilometers to 50 Kilometers
Data Type(s): Grid
Platform(s): Other
Data Format(s): NetCDF (Network Commmon Data Format)
Language: English
Date Created:2013-10-18 10:35:42
Date Last Updated:2015-03-13 10:56:12
Data Center: Advanced Cooperative Arctic Data and Information Service
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