Description Usage Arguments Value Examples
It represents an integration of the photosynthesis function
eC4photo
, canopy evapo/transpiration and the
multilayer canopy model sunML
.
1 2 | eCanA(LAI, doy, hour, solarR, AirTemp, RH, WindS, Vcmax,
Vpmax, Vpr, Jmax, Ca = 380, Oa = 210, StomataWS = 1)
|
LAI |
leaf area index. |
doy |
day of the year, (1–365). |
hour |
hour of the day, (0–23). |
solarR |
solar radiation (micro mol /m2/s). |
AirTemp |
temperature (Celsius). |
RH |
relative humidity (0–1). |
WindS |
wind speed (m/s). |
Vcmax |
Maximum rubisco activity (micro mol /m2/s). |
Vpmax |
Maximum PEP carboxylase activity (micro mol /m2/s). |
Vpr |
PEP regeneration rate (micro mol /m2/s). |
Jmax |
Maximal electron transport rate (micromol electrons m-2 s-1). |
Ca |
atmospheric carbon dioxide concentration (ppm or microbar) (e.g. 380). |
Oa |
atmospheric oxygen concentration (mbar) (e.g. 210). |
StomataWS |
Effect of water stress on assimilation. |
numeric
returns a single value which is hourly canopy assimilation (mol m-2 ground s-1)
1 | ## No examples yet
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