Subversion Repositories public iLand

/********************************************************************************************

**    iLand - an individual based forest landscape and disturbance model

**    http://iland.boku.ac.at

**    Copyright (C) 2009-  Werner Rammer, Rupert Seidl

**

**    This program 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.

**

**    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

********************************************************************************************/

#ifndef SPECIESRESPONSE_H

#define SPECIESRESPONSE_H

class ResourceUnit;

class ResourceUnitSpecies;

class Species;

class SpeciesResponse

{

public:

    SpeciesResponse();

    // actions

    void setup(ResourceUnitSpecies *rus);

    /// calculate the species specific environmental response values for the resource unit.

    /// this function called before the 3pg production.

    void calculate(); ///< calculate responses for current year

    void clear(); ///< set all responses to 0

    // access components

    const Species *species() const { return mSpecies; }

    const ResourceUnit *resourceUnit() const { return mRu; }

    // access responses

    const double *tempResponse() const { return mTempResponse; }

    const double *soilWaterResponse() const { return mSoilWaterResponse; }

    const double *globalRadiation() const { return mRadiation; } ///< radiation sum in MJ/m2

    const double *utilizableRadiation() const {return mUtilizableRadiation; } ///< utilizable radiation (rad*responses)

    const double *vpdResponse() const {return mVpdResponse; }

    const double *co2Response() const { return mCO2Response; }

    double nitrogenResponse() const { return mNitrogenResponse; }

    double yearlyRadiation() const { return mTotalRadiation; }

    double totalUtilizeableRadiation() const { return mTotalUtilizeableRadiation; }

    /// response calculation called during water cycle

    /// calculates minimum-response of vpd-response and soilwater response

    void soilAtmosphereResponses(const double psi_kPa, const double vpd, double &rMinResponse) const;

private:

    const ResourceUnit *mRu;

    const Species *mSpecies;

    double mRadiation[12]; ///<  radiation sums per month (MJ/m2)

    double mUtilizableRadiation[12]; ///< sum of daily radiation*minResponse (MJ/m2)

    double mTempResponse[12]; ///< average of temperature response

    double mSoilWaterResponse[12]; ///< average of soilwater response

    double mVpdResponse[12]; ///< mean of vpd-response

    double mNitrogenResponse;

    double mCO2Response[12];

    double mTotalRadiation;  ///< total radiation of the year (MJ/m2)

    double mTotalUtilizeableRadiation; ///< yearly sum of utilized radiation (MJ/m2)

};

#endif // SPECIESRESPONSE_H