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The file 'cntrlcomparison.csv', which is in comma-separated-value format, contains outputs from PISCAL that
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facilitates examination of how well the fitting is. First model prediction is calculated at each sampling
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point. Then model prediction is calculated at many selected levels of intercelluar CO2 partial pressure
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levels under three limitation states to enable plotting curves. The same structure is then repeated for
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each fitting of the same curve with different parameters to be estimated and with different curves. Note
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that some common information about a curve is repeated for each data point to make the structure of the
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file as regular as possible.
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!The first section compares model calculation at the optimized parameters with measurements
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CurveID - (NA), the curve identifier, repeated for each point
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ChlFlUse? -(0/1), whether or not chlorophyll fluorescence data are used for identifying the limitation states
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0 = not used, 1 = used. (Currently this choice is still under evaluation and therefore ChlFlUse? = 0).
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FitGi? _(0/1), whether or not the internal conductance (gi) is fitted for.
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0 = not fitted and gi is either infinite or fixed at the value provided by the user.
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1 = gi is estiamted, repeated for each point
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FitGamma*? - (0/1), whether or not the chloroplastic CO2 partial pressure photocompensation point is
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fitted for. 0= not fitted, a prescribed value is used, repeated for each point
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FitKco? - (0/1), whether or not the apparent Michaelis - Menten constant Kco = Kc(1+O/Ko) is fitted for.
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0= not fitted, a prescribed value is calculated from Kc, Ko and the oxygen partial pressure.
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1= Fitted for, repeated for each point
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FitRd? - (0/1), whether the dark respiration is fitted for. 0= not fitted for, a prescribed value is used.
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1= fitted for. repeated for each point
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FitAlpha? - (0/1), whether alpha (the non-returned fraction of the glycolate carbon
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recycled in the photorespiratory cycle) is fitted for.
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0= not fitted for and alpha = 0
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1= fitted for, repeated for each point
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LimitCombina - (NA), the combination of limitation states present in the A/Ci dataset. Parameters
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are estimated for those limitation states that occur in the measured curve, repeated for each point
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Rubisco: Rubisco limitation (Vcmax, Kco)
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RuBP: RuBP regeneration limitation (J)
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Tpu: export limitation (TPU, alpha)
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PCO2i - (Pa), intercellular CO2 partial pressure
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PCO2c - (Pa), chloroplastic CO2 partial pressure corresponding to the PCO2i of a point.
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PCO2c=PCO2i-AnetCal/internal conductance
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AnetMeas - (umol/m2/s), measured net assimilation rate
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AnetCal - (umol/m2/s), calculated net assimilation rate
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weitedrms - (umol/m2/s), root mean square error of the fitting (weiting coefficient =1)
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PointLimitType - (1,2,3). 1 = point limited by rubisco
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2 = point limited by RuBP regeneration
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3 = point limited by TPU
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!The second section gives photosynthesis for each of the three limitation states at selected values of intercellular
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!partial pressure. Note that the corresponding values of chloraplastic CO2 partial pressure depend on the limitation state.
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CO2i - (Pa), intercellular CO2 partial pressure
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CO2cc- (Pa), Chloraplastic CO2 partial pressure for Rubisco limited photosynthesis
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Ac- (umol/m2/s), Rubisco-limited net assimilation rate calculated with the optimized parameters
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CO2cj- (Pa), Chloraplastic CO2 partial pressure for RuBP regeneration limited photosynthesis
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Aj- (umol/m2/s), RuBP regeneration-limited net assimilation rate calculated with estimated parameters
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CO2ct- (Pa), Chloraplastic CO2 partial pressure for export limited photosynthesis
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At- (umol/m2/s), TPU-limited net assimilation rate calculated with estimated parameters
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