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113 | Werner | 2 | #ifndef PRODUCTION3PG_H |
3 | #define PRODUCTION3PG_H |
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4 | |||
226 | werner | 5 | class SpeciesResponse; |
228 | werner | 6 | class ProductionOut; |
113 | Werner | 7 | class Production3PG |
8 | { |
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9 | public: |
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10 | Production3PG(); |
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227 | werner | 11 | void setResponse(const SpeciesResponse *response) { mResponse=response;} |
12 | double calculate(); ///< return year GPP/rad: kg Biomass/MJ PAR/m2 |
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369 | werner | 13 | void clear(); ///< clear production values |
227 | werner | 14 | double rootFraction() const { return mRootFraction; } /// fraction of biomass that should be distributed to roots |
257 | werner | 15 | double GPPperArea() const { return mGPPperArea; } ///< GPP production (yearly) (kg Biomass) per m2 (effective area) |
436 | werner | 16 | double fEnvYear() const { return mEnvYear; } ///< f_env,yr: aggregate environmental factor [0..1} |
115 | Werner | 17 | private: |
227 | werner | 18 | inline double calculateUtilizablePAR(const int month) const; |
19 | inline double calculateEpsilon(const int month) const; |
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20 | inline double abovegroundFraction() const; ///< calculate fraction of biomass |
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21 | const SpeciesResponse *mResponse; ///< species specific responses |
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251 | werner | 22 | double mUPAR[12]; ///< utilizable radiation MJ/m2 and month |
227 | werner | 23 | double mGPP[12]; ///< monthly Gross Primary Production gC/MJ radiation |
24 | double mRootFraction; ///< fraction of production that flows into roots |
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230 | werner | 25 | double mGPPperArea; ///< kg GPP Biomass / m2 interception area |
436 | werner | 26 | double mEnvYear; ///< f_env,yr: factor that aggregates the environment for the species over the year (weighted with the radiation pattern) |
228 | werner | 27 | |
28 | friend class ProductionOut; |
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113 | Werner | 29 | }; |
30 | |||
31 | #endif // PRODUCTION3PG_H |