daily_eto_FAO56 |
Eto calculation based on FAO-56 Penman-Monteith methodology, with data from automatic weather stations (AWS) downloaded and processed in function *daily_download_AWS_INMET* |
download_AWS_INMET_daily |
Download of hourly data from automatic weather stations (AWS) of INMET-Brazil in daily aggregates |
ea_dew_calculation |
Actual vapour pressure (ea) derived from dewpoint temperature |
ea_rh_calculation |
Actual vapour pressure (ea) derived from relative humidity data |
es_calculation |
Mean saturation vapour pressure (es) |
es_ea_calculation |
Vapour pressure deficit (es - ea) |
eto_hs |
Hargreaves - Samani ETo |
Patm |
Atmospheric pressure (Patm) |
psy_const |
Psychrometric constant |
radiation_conversion |
Conversion factors for radiation |
ra_calculation |
Extraterrestrial radiation for daily periods (ra) |
rh_calculation |
Relative humidity (rh) calculation |
rnl_calculation |
Net longwave radiation (rnl) |
rns_calculation |
Net solar or net shortwave radiation (rns) |
rn_calculation |
Net radiation (rn) |
rso_calculation_1 |
Clear-sky solar radiation with calibrated values available |
rso_calculation_2 |
Clear-sky solar radiation when calibrated values are not available |
rs_nearby_calculation |
Solar radiation data from a nearby weather station |
see_stations_info |
Localization of the automatic weather station of INMET |
sr_ang_calculation |
Solar radiation based in Angstrom formula (sr_ang) |
sr_tair_calculation |
Solar radiation data derived from air temperature differences |
u2_calculation |
Wind speed at 2 meters high |