Atmosphere.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
/***********************************************************************************/
/*  Copyright 2009 WSL Institute for Snow and Avalanche Research    SLF-DAVOS      */
/***********************************************************************************/
/* This file is part of MeteoIO.
    MeteoIO is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    MeteoIO 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 Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with MeteoIO.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ATMOSPHERE_H
#define ATMOSPHERE_H
 
#include <meteoio/IOUtils.h>
 
namespace mio {
 
class Atmosphere {
        public:
                static double gravity(const double& altitude, const double& latitude);
                static double stdAirPressure(const double& altitude);
                static double reducedAirPressure(const double& pressure, const double& altitude, const double& latitude);
                static double stdDryAirDensity(const double& altitude, const double& temperature);
                static double vaporSaturationPressure(const double& T);
                static double vaporSaturationPressureWater(const double& T);
                static double virtualTemperatureFactor(const double& e, const double& p);
                static double waterVaporDensity(const double& Temperature, const double& VaporPressure);
                static double wetBulbTemperature(const double& T, const double& RH, const double& altitude);
                static double blackGlobeTemperature(const double& TA, const double& RH, const double& VW, const double& iswr_dir, const double& iswr_diff, const double& cos_Z);
                static double windLogProfile(const double& v_ref, const double& z_ref, const double& z, const double& z0=0.03);
 
                static double windChill(const double& TA, const double& VW);
                static double heatIndex(const double& TA, const double& RH);
                static double WBGT_index(const double& TA, const double& RH, const double& VW, const double& iswr_dir, const double& iswr_diff, const double& cos_Z, const double& altitude);
 
                //clear sky emissivity
                static double Brutsaert_emissivity(const double& RH, const double& TA);
                static double Brutsaert_ilwr(const double& RH, const double& TA);
                static double Dilley_emissivity(const double& RH, const double& TA);
                static double Dilley_ilwr(const double& RH, const double& TA);
                static double Prata_emissivity(const double& RH, const double& TA);
                static double Prata_ilwr(const double& RH, const double& TA);
                static double Clark_emissivity(const double& RH, const double& TA);
                static double Clark_ilwr(const double& RH, const double& TA);
                static double Tang_emissivity(const double& RH, const double& TA);
                static double Tang_ilwr(const double& RH, const double& TA);
                static double Idso_emissivity(const double& RH, const double& TA);
                static double Idso_ilwr(const double& RH, const double& TA);
 
                //cloudy sky emissivity
                static double Omstedt_emissivity(const double& RH, const double& TA, const double& cloudiness);
                static double Omstedt_ilwr(const double& RH, const double& TA, const double& cloudiness);
                static double Konzelmann_emissivity(const double& RH, const double& TA, const double& cloudiness);
                static double Konzelmann_ilwr(const double& RH, const double& TA, const double& cloudiness);
                static double Carmona_emissivity(const double& RH, const double& TA, const double& cloudiness);
                static double Carmona_ilwr(const double& RH, const double& TA, const double& cloudiness);
                static double Crawford_ilwr(const double& RH, const double& TA, const double& iswr_meas, const double& iswr_clear_sky, const unsigned char& month, const double& cloudiness=IOUtils::nodata);
                static double Crawford_ilwr(const double& lat, const double& lon, const double& altitude,
                                            const double& julian, const double& TZ,
                                            const double& RH, const double& TA, const double& ISWR, const double& cloudiness=IOUtils::nodata);
                static double Unsworth_ilwr(const double& RH, const double& TA, const double& iswr_meas, const double& iswr_clear_sky, const double& cloudiness=IOUtils::nodata);
                static double Unsworth_ilwr(const double& lat, const double& lon, const double& altitude,
                                            const double& julian, const double& TZ,
                                            const double& RH, const double& TA, const double& ISWR, const double& cloudiness=IOUtils::nodata);
                static double Lhomme_ilwr(const double& RH, const double& TA, const double& iswr_meas, const double& iswr_clear_sky, const double& cloudiness);
                static double Lhomme_ilwr(const double& lat, const double& lon, const double& altitude,
                                            const double& julian, const double& TZ,
                                            const double& RH, const double& TA, const double& ISWR, const double& cloudiness=IOUtils::nodata);
                static double Kasten_clearness(const double& cloudiness);
                static double Kasten_cloudiness(const double& solarIndex);
                static double Lhomme_clearness(const double& cloudiness);
                static double Lhomme_cloudiness(const double& solarIndex);
                static double ILWR_parametrized(const double& lat, const double& lon, const double& altitude,
                                                const double& julian, const double& TZ,
                                                const double& RH, const double& TA, const double& ISWR, const double& cloudiness=IOUtils::nodata);
 
                static double RhtoDewPoint(double RH, double TA, const bool& force_water);
                static double DewPointtoRh(double TD, double TA, const bool& force_water);
                static double specToRelHumidity(const double& altitude, const double& TA, const double& qi);
                static double relToSpecHumidity(const double& altitude, const double& TA, const double& RH);
 
                static double blkBody_Emissivity(const double& lwr, const double& T);
                static double blkBody_Radiation(const double& ea, const double& T);
                
                static const double day_iswr_thresh; //threhold on ISWR above which it is considered to be daylight
};
 
} //end namespace
 
#endif