Atmosphere-cryosphere interactions during the last phase of the LGM (21 ka BP) in the European Alps

This dataset refers to: Del Gobbo, C., Colucci, R. R., Monegato, G., Žebre, M., and Giorgi, F.: Atmosphere-cryosphere interactions at 21 ka BP in the European Alps, Clim. Past Discuss. [preprint], https://doi.org/10.5194/cp-2022-43, in review, 2022. 

We used the regional climate model RegCM4 to investigate the physical processes sustaining the glacier extent during the Last Glacial Maximum (LGM) and pre-industrial time (PI) over the European Alps. After a bias-correction of precipitation and temperature data, we reconstructed the environmental equilibrium line altitude (envELA) of the Alpine glaciers, which resulted consistent with geological records. 

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LGM in the file names referes to 21 ka BP

PI refers to pre-industrial

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This dataset contains:

NetCDF files ------------------------------------------------------------------------------------

• Monthly mean  TAS and PR
  • variables =
    • RegCM4 monthly mean near-surface air temperature (TAS)
    • RegCM4 monthly mean precipitation (PR)
    • model topography (topo)
  • units = TAS [°C], PR [mm/day], topo [m a.s.l.]
  • model = RegCM4 (ICTP)
  • method  = RCM forced with MPI-ESM-P
  • remapped = no
  • resolution = 12 km
  • files =
    • LGM_PR_TAS_monmean.nc
    • PI_PR_TAS_monmean.nc

• Bias-corrected monthly mean TAS and PR
  • variables =
    • model topography (topo)
    • Bias-corrected RegCM4 monthly mean precipitation (PR)
    • Bias-corrected RegCM4 monthly mean near-surface air temperature (TAS)
  • units  = TAS [°C], PR [mm/day], topo [m a.s.l.]
  • model = RegCM4 (ICTP)
  • method  = bias-correction based on HISTALP (TAS) and LAPrec (PR) of RegCM4 data
  • remapped = onto HISTALP grid
  • resolution = 5 arcmin
  • files=
    • LGM_PR_TAS_monmean_BC.nc
    • PI_PR_TAS_monmean_BC.nc

• ELA
  • variables =
    • ELA 
    • average RegCM-HISTALP-LAPrec topography
  • units = m a.s.l.
  • data = calculated from bias-corrected RegCM4 data
  • method = Zebre et al. (2020)
  • remapped = on HISTALP grid
  • resolution = 5 arcmin
  • files =
    • LGM_ELA.nc
    • PI_ELA.nc

csv files ------------------------------------------------------------------------------------

* dates refer to model dates, not real ones!!!
tj_700_hpa_pr_lgm   : Tagliamento glacier daily wind and precipitation at the 21 ka BP
tj_700_hpa_pr_pi       : Tagliamento glacier daily wind and precipitation at the PI
db_700_hpa_pr_lgm : Dora Baltea glacier daily wind and precipitation at 21 ka BP
db_700_hpa_pr_pi    : Dora Baltea glacier daily wind and precipitation at the PI
r_700_hpa_pr_lgm    : Rhine glacier  daily wind and precipitation at 21 ka BP
r_700_hpa_pr_pi        : Rhine glacier daily wind and precipitation at the PI
ist_700_hpa_pr_lgm : Inn-Salzach-Traun glacier  daily wind and precipitation at 21 ka BP
ist_700_hpa_pr_pi     : Inn-Salzach-Traun glacier  daily wind and precipitation at the PI