Download Africa Volume "JADE" | Last update: Feb. 2018 |
to download these data. NB: As the 8 files are too large to be permanently placed on the SoDa server, please contact us so that we can make the data available for a short time period. Copyright: please refer to this volume as "CAMS radiation service dataset "JADE" over Africa computed with McClear version 3 and CAMS radiation bias correction - CAMS project - Dec. 2017" | Downloads 1 |
JADE Description
Introduction |
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Grid description | We used a nb_lines*nb_columns = 385*370 points over Africa with a 0.2° step. Only grid cells on land were computed.
NB: the formula to convert (lat, lon) into grid cell is:
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Volume content | Each HDF5 dataset comprises 420768 maps. 420768 is the number of 15 min periods from 2005-01-01 to 2016-12-31: 96 periods per day * 365 days * 12 years + 96 * 3 days (for 2008, 2012 and 2016 leap years). Each value in HDF5 files is stored as an unsigned byte:
If you extract ghi.h5 data as a time series for one location, you will get almost the same data as CAMS Radiation web interface. The small difference is due to the data compression as 1 byte per value in JADE. | ![]() Click on the image to magnify: GHI on 2005-04-01 from 11h45 to 12h00 UT |
Downloads
- Univ Grenoble, Nicolas Plain, Feb. 2018
Pending requests
- CNRS Nathalie Philippon