数据介绍整理中...
https://software.ecmwf.int/wiki/display/UER/Time-integrated+surface+solar+radiation+downwards
https://www.ecmwf.int/en/faq/what-are-definitions-radiation-fields
http://apps.ecmwf.int/codes/grib/param-db
https://www.ecmwf.int/en/forecasts/documentation-and-support
https://rda.ucar.edu/datasets/ds627.0/docs/IFS_documentation/