From 1e40124c8986c6be584593a4152e69a722d741ac Mon Sep 17 00:00:00 2001 From: cfontana00 Date: Wed, 10 Apr 2024 12:30:45 +0200 Subject: [PATCH] tuning meteo --- meteo/ECMWF/README.md | 27 ++++++++++++++++++--------- 1 file changed, 18 insertions(+), 9 deletions(-) diff --git a/meteo/ECMWF/README.md b/meteo/ECMWF/README.md index f8ecb6d..787e7c7 100644 --- a/meteo/ECMWF/README.md +++ b/meteo/ECMWF/README.md @@ -1,15 +1,24 @@ +## Reference for conversion to specific humidity + Td=d2m-273.15; % K to deg C + p=msl./100; % Pa to mb e = 6.112.*exp((17.67.*Td)./(Td + 243.5)); + q = (0.622 .* e)./(p - (0.378 .* e)); -% https://www.eol.ucar.edu/projects/ceop/dm/documents/refdata_report/eqns.html -% (Bolton 1980) -% where: -% e = vapor pressure in mb; -% Td = dew point in deg C; -% p = surface pressure in mb; -% q = specific humidity in kg/kg. -% -% (Note the final specific humidity units are in g/kg = (kg/kg)*1000.0) +https://www.eol.ucar.edu/projects/ceop/dm/documents/refdata_report/eqns.html + +(Bolton 1980) +where: + + e = vapor pressure in mb; + + Td = dew point in deg C; + + p = surface pressure in mb; + + q = specific humidity in kg/kg. + +(Note the final specific humidity units are in g/kg = (kg/kg)*1000.0)