Meteorological forcing¶
The file “dailyweather.prn” is an input file for the VOM, containing all meteorologicald data:
Dcum | Day of the year | Integer |
Day | Day of the month | Integer |
Month | Month of the year | Integer |
Year | Year | Integer, 4 digits |
T.Max | Daily max. Air temp in °C | Decimal, #.## |
T.Min | Daily min. Air temp in °C | Decimal, #.## |
Rain | Daily rain fall in mm | Decimal, #.## |
Radn | Global solar irradiance in MJ/m2 | Decimal, #.## |
VP | Water vapour pressure in hPa | Decimal, #.## |
Pres | air pressure in hPa | Decimal, #.## |
Ca | ambient air CO2 concentration in µmol | Decimal, #.## |
The first line contains the variable names and is omitted when reading the file. All fields are 8 characters long and need to be filled from behind, e.g.:
NOTE: when creating your own dailyweather.prn, make sure the alignments are exactly the same as the example input I.e. in the following format: %8.0f%8.0f%8.0f%8.0f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f