Convert CF-formatted met data to BioCro met

Converts a CF data frame into a BioCro met input

cf2biocro(met, longitude = NULL, zulu2solarnoon = FALSE)

Arguments

met

data.table object with met for a single site; output from load.cfmet

  • year int

  • month int

  • day int: day of month (1-31)

  • doy int: day of year (1-366)

  • hour int (0-23)

  • date YYYY-MM-DD HH:MM:SS POSIXct

  • wind_speed num m/s

  • northward_wind

  • eastward_wind

  • ppfd optional; if missing, requires surface_downwelling_shortwave_flux_in_air

  • surface_downwelling_shortwave_flux_in_air

  • air_pressure (Pa) optional; if missing, requires relative_humidity

  • specific_humidity optional; if missing, requires relative_humidity

  • relative_humidity optional; if missing, requires air_pressure and specific_humidity

  • precipitation_flux

  • air_temperature
longitude

in degrees east, used for calculating solar noon
zulu2solarnoon

logical; if TRUE, convert time from GMT to local solar time.

Value

data.table / data.frame with fields

  • doy day of year

  • hr hour

  • solar solar radiation (PPFD)

  • temp temperature, degrees celsius

  • rh relative humidity, as fraction (0-1)

  • windspeed m/s

  • precip cm/h