No matter what, the model will always start with an empty reservoir. So in short, the answer is yes.
Merry Christmas to all the listeners, Miguel -- Miguel Tremblay Physicien - Physicist Centre météorologique canadien - Canadian meteorological centre (CMC) Environnement Canada - Environment Canada http://www.ec.gc.ca/ 2121 Trans-Canada N. Suite 228 Téléphone/Phone: 514-421-4729 Dorval, Québec Fax: 514-421-4679 CANADA H9P 1J3 courriel/email: [email protected] Esben Almqvist wrote: > Thanks Miguel! That answered my question. Ok, a special case: If > there is not enough data to do the coupling phase and the surface is > wet. Does the model start with 0 mm of water? Regards, Esben > > > --- Den tis 2008-12-16 skrev Miguel Tremblay > <[email protected]>: > >> Från: Miguel Tremblay <[email protected]> Ämne: Re: >> [Metro-developers] SSI Codes question Till: [email protected] Kopia: >> "METRo Developer Team" <[email protected]> Datum: tisdag 16 >> december 2008 16.52 Esben Almqvist wrote: >>> Hi Miguel and Iain! >>> >>> So the amount of water on the road is not passed from >> the coupling >>> phase to the forecast model? Wouldn't that be an >> important parameter? >>> It will determine how much evaporation is required to >> get the road >>> dry. >> The RWIS station does not have this information, so it cannot be >> used in the input. >> >> However, the quantity of water on the road is computed in the >> coupling phase (see below) and it is then passed to the model. >> >>> If you input the road condition wet to the model, do >> you set a >>> certain thickness of water film or how is that >> handled? >> >> The starting amount of water in both reservoir is set to zero (0.0) >> at the beginning of the coupling phase. It is then derived based on >> the thermic balance and the presence of precipitation. >> >> See file coupla.f, lines 263 and 264 (look for "ER1" and "ER2" >> variables, those 2 are the water reservoirs for liquid/solid, >> respectively): >> http://svn.gna.org/viewcvs/metro/metro/trunk/src/model/coupla.f?rev=242&view=markup >> >> >> >> The presence of water is used for the computation of humidity at >> the surface (SRFHUM) and vapor fluxes (RODCON). Those 2 subroutine >> can be find in lib_therm.f file: >> http://svn.gna.org/viewcvs/metro/metro/trunk/src/model/lib_therm.f?rev=242&view=markup >> >> >> >> Does it answer your questions? >> >> Best regards, >> >> -- Miguel Tremblay Physicien - Physicist Centre météorologique >> canadien - Canadian meteorological centre (CMC) Environnement >> Canada - Environment Canada http://www.ec.gc.ca/ >> >> 2121 Trans-Canada N. Suite 228 Téléphone/Phone: 514-421-4729 >> Dorval, Québec Fax: 514-421-4679 CANADA H9P 1J3 >> courriel/email: [email protected] > > > > __________________________________________________________ Låna > pengar utan säkerhet. Jämför vilkor online hos Kelkoo. > http://www.kelkoo.se/c-100390123-lan-utan-sakerhet.html?partnerId=96915014 > > > _______________________________________________ METRo-developers > mailing list [email protected] > https://mail.gna.org/listinfo/metro-developers _______________________________________________ METRo-developers mailing list [email protected] https://mail.gna.org/listinfo/metro-developers
