vic/vic_run/src/photosynth.c
double
darkinhib(double IRR)
{
    double darkinhib;

    // IRR = Total irridiance at the surface in mol/m^2s
    if (IRR < 0) {
        darkinhib = 0.;
    }
    else {
        darkinhib = 0.5 + 0.5 * exp(-IRR * 1.e6 / 10.);
    }

    return darkinhib;
}
/******************************************************************************
 * @brief    Dark inhibition
 *
 * @note     FUNCTION which inhibits Dark-Respiration in light after Brooks and
 *           Farquhar, Effect of temperature on the CO2/O2 specifity on RuBisCO
 *           and the rate of respiration in the light, Planta 165, 397-406,
 *           1985
 *
 *           It is fitted to inhibit the dark-respiration to 50% of its
 *           uninhibited valueup from 50 umol/m^2s.
 *****************************************************************************/
@brief    Dark inhibition
@note     FUNCTION which inhibits Dark-Respiration in light after Brooks and
Farquhar, Effect of temperature on the CO2/O2 specifity on RuBisCO
and the rate of respiration in the light, Planta 165, 397-406,
1985

It is fitted to inhibit the dark-respiration to 50% of its
uninhibited valueup from 50 umol/m^2s.
@brief Dark inhibition @note FUNCTION which inhibits Dark - Respiration in light after Brooks and Farquhar Effect of temperature on the CO2 / O2 specifity on RuBisCO and the rate of respiration in the light Planta 165 397 - 406 1985 It is fitted to inhibit the dark - respiration to 50% of its uninhibited valueup from 50 umol / m^2s .
double
darkinhib(double IRR)
{
    double darkinhib;
    if (IRR < 0) {
        darkinhib = 0.;
    }
    else {
        darkinhib = 0.5 + 0.5 * exp(-IRR * 1.e6 / 10.);
    }
    return darkinhib;
}
double darkinhib ( double IRR ) { double darkinhib ; if ( IRR < 0 ) { darkinhib = 0. ; } else { darkinhib = 0.5 + 0.5 * exp ( - IRR * 1.e6 / 10. ) ; } return darkinhib ; }
@brief    Dark inhibition
 @note     FUNCTION which inhibits Dark-Respiration in light after Brooks and
           Farquhar, Effect of temperature on the CO2/O2 specifity on RuBisCO
           and the rate of respiration in the light, Planta 165, 397-406,
           1985
@brief Dark inhibition @note FUNCTION which inhibits Dark - Respiration in light after Brooks and Farquhar Effect of temperature on the CO2 / O2 specifity on RuBisCO and the rate of respiration in the light Planta 165 397 - 406 1985
// IRR = Total irridiance at the surface in mol/m^2s