WaterTransport.h

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/*
 *  SNOWPACK stand-alone
 *
 *  Copyright WSL Institute for Snow and Avalanche Research SLF, DAVOS, SWITZERLAND
*/
/*  This file is part of Snowpack.
    Snowpack is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Snowpack is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with Snowpack.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef WATERTRANSPORT_H
#define WATERTRANSPORT_H
 
#include <snowpack/DataClasses.h>
#include <snowpack/snowpackCore/ReSolver1d.h>
 
#include <meteoio/MeteoIO.h>
 
class WaterTransport {
 
        public:
                WaterTransport(const SnowpackConfig& cfg);
                virtual ~WaterTransport() {}
                void compTransportMass(const CurrentMeteo& Mdata, SnowStation& Xdata, SurfaceFluxes& Sdata, double& ql);
 
        protected:
                void mergingElements(SnowStation& Xdata, SurfaceFluxes& Sdata, const bool& VapourTransport = false);
                void adjustDensity(SnowStation& Xdata);
 
                //To prevent string comparisons, we define an enumerated list:
                enum watertransportmodels{UNDEFINED, BUCKET, NIED, RICHARDSEQUATION};
 
        private:
                //The following 3 functions are used in WaterTransport model "NIED"
                double BisFunc(const double X, const double P[]);
                double Bisection(const double minval, const double maxval, double P[]);
                void KHCalcNaga(const double RG, const double Dens, double ThR, const double WatCnt, const double SatuK, double &Rh, double &Rk);
 
                void compTopFlux(double& ql, SnowStation& Xdata, SurfaceFluxes& Sdata);
                void transportWater(const CurrentMeteo& Mdata, SnowStation& Xdata, SurfaceFluxes& Sdata, double& ql);
 
                ReSolver1d RichardsEquationSolver1d_matrix;
                ReSolver1d RichardsEquationSolver1d_pref;
 
                std::string variant;
 
                watertransportmodels iwatertransportmodel_snow, iwatertransportmodel_soil;
 
                std::string watertransportmodel_snow;
                std::string watertransportmodel_soil;
                bool enable_pref_flow;
                std::string pref_flow_rain_input_domain;
 
                double sn_dt;
                double hoar_thresh_rh, hoar_thresh_vw, hoar_thresh_ta;
                double hoar_density_buried, hoar_density_surf, hoar_min_size_buried;
                double minimum_l_element, comb_thresh_l;
                bool useSoilLayers, water_layer, jam;
 
                bool enable_vapour_transport;
};
#endif //End of WaterTransport.h