New version of Daymet join script

NCL Users,

I am pleased to announce a new version of the NCL join script for
spatially merging Daymet NetCDF files. This version should be easier
to use and more reliable than before. New features include:

* Multiple tiles can be efficiently joined in a single program run.
* Common grid point between tiles is no longer required.
* Missing 2-D coordinates in gaps between tiles are automatically filled in.
* New diagnostics to ensure correct spatial alignment are included.
* Support for larger output files is improved.

The most significant feature is infill of missing 2-D coordinates.
Output from previous versions left zeros in portions of the 2-D
coordinates, which made these files very difficult to use with some
graphics systems such as NCL. This problem is now completely solved,
thanks to a new supplemental coordinate file provided by Daymet/ORNL.

The new join script is identified as join.daymet.1226.ncl. It can be
obtained from the updated documentation website:
http://www.esrl.noaa.gov/psd/people/dave.allured/data/daymet/daymet.html

Thanks to early users Ping Yang and Kamal M. for their assistance with
testing and finding problems.

Dave Allured
NOAA/PSD/CIRES Climate Analysis Branch
http://www.esrl.noaa.gov/psd/psd1/
Boulder, Colorado
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Received on Wed Jan 2 19:22:32 2013