Data files scand_e5_xx_xxx.dat (present-day ice surface, ice base,
lithosphere surface, mask) based on

   ETOPO5. 1988. Data announcement 88-MGG-02, digital relief of
   the surface of the earth.
   NOAA, National Geophysical Data Center, Boulder, Colorado, USA.

Data files scand_lw_xx_xxx.dat (present-day surface temperature and
precipitation) based on

   Legates, D. R. and C. J. Willmott. 1990a.
   Mean seasonal and spatial variability in global surface air
   temperature.
   Theor. Appl. Climatol. 41, 11-21.

   Legates, D. R. and C. J. Willmott. 1990b.
   Mean seasonal and spatial variability in gauge-corrected, global
   precipitation.
   Int. J. Climatology, 10, 111-127.

Data files scand_jg_xx_precmm.dat (present-day precipitation) based on

   Jaeger, L. 1976. Monatskarten des Niederschlags fuer die ganze Erde.
   Ber. Dtsch. Wetterdienstes 139, 38 pp.

Data files scand_uk_xx_xxx_anom.dat (LGM temperature and precipitation
anomalies) based on

   Hewitt, C. D. and J. F. B. Mitchell. 1997.
   Radiative forcing and response of a GCM to ice age boundary
   conditions: cloud feedback and climate sensitivity.
   Climate Dyn., 13 (11), 821-834.
