CCM1 GCM Output Data Set: readme.ccm1 file
-----------------------------------------------------------------------
                   NOAA Paleoclimatology Program
                                 and
               World Data Center A- Paleoclimatology
-----------------------------------------------------------------------
NOTE: PLEASE CITE ORIGINAL REFERENCES WHEN USING THIS DATA!!!!!

CONTRIBUTORS: John Kutzbach, Pat Behling, Rich Selin, University of Wisconsin
IGBP PAGES/WDCA Data Contribution Series #:  96-027
SUGGESTED DATA CITATION: 
Kutzbach, J., Behling, P. and Selin, R., 1996, CCM1 General Circulation Model 
Output Data Set.  IGBP PAGES/World Data Center-A for Paleoclimatology 
Data Contribution Series #  96-027.  NOAA/NGDC Paleoclimatology Program, 
Boulder CO, USA.

ORIGINAL REFERENCES:
Kutzbach, J.E., and P.J. Guetter (1986).  The influence of changing orbital 
parameters and surface boundary conditions on climate simulations for the 
past 18,000 years.  Journal of the Atmospheric Sciences 43(16), 1726-1759.

Wright, H.E., J.E. Kutzbach, T. Webb III, W.F. Ruddiman, F.A. Street-Perrott,
and P.J. Bartlein, ed. (1993).  Global Climates since the Last Glacial Maximum.,
University of Minnesota Press, Minneapolis, MN, 569 pp.

NAME OF DATA SET: CCM1 General Circulation Model Output Data Set
LAST UPDATE: 9/96 (Original Receipt by WDC-A Paleo) 
GEOGRAPHIC REGION: Global
PERIOD OF RECORD: 0 -14 KYrBP

LIST OF FILES: ccm1.readme, ccm1.variables, data files in either 
flat text format described below or ASCII Special format suitable for some
plotting software packages. 


DESCRIPTION:
Additional info available at http://ccr.meteor.wisc.edu/
CCM1 Experiment 25 for 21k, 16k, 14k, 11k, 6k, and 0k, monthly data.
Each month contains all variables for an experiment in a single file.
Experiment CO2 input is as follows:
21k = 191 co2
16k = 210 co2
14k = 230 co2
11k = 267 co2
6k = 267 co2
0k = 267 co2
please note: our control is a PREINDUSTRIAL control with co2 being 267
rather than a typical 330ppm

File format: Each data file contains headers and data matrices for 63
output variables for one experiment for one season (i.e. perpetual january
or perpetual july).  There are 14 lines of header information preceding
each data matrix.  Each matrix contains a grid consisting of 40 latitudes by 48
longitudes (1920 points).  The data starts at the north most point at 180west
and proceeds through the 1st latitude for all longitudes, followed by the 2nd
latitude for all longitudes, etc.  The format is 8e13.6.

CCM1 is a 40x48 grid with 7.5 degrees of longitude and about 4.4 degrees 
of latitude.  The following are the gaussian latitudes used for an R15 grid.
These latitudes represent the center of the grid box.  

      data gaulat /-86.60,-82.19,-77.76,-73.32,-68.88,-64.43,-60.00,
     +             -55.55,-51.11,-46.66,-42.22,-37.77,-33.33,-28.89,
     +             -24.44,-20.00,-15.55,-11.11, -6.67, -2.22,  2.22,
     +               6.67, 11.11, 15.55, 20.00, 24.44, 28.89, 33.33,
     +              37.77, 42.22, 46.66, 51.11, 55.55, 60.00, 64.43,
     +              68.88, 73.32, 77.76, 82.19, 86.60/