Description Usage Arguments Details Value Examples
This function returns a list of vectors that define the external irradiance (L), DIN concentration (N), and prey concentration (X) to be used as subsequent inputs for a model simulation.
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time |
A vector of time steps at which the model should be evaluated (units=days) (e.g., seq(0, 365, 0.1)) |
L |
A vector with length 3 defining external light (min, max, functional form (see details)). Units=mol photons m^-2 d^-1. |
N |
A vector with length 3 defining external DIN concentration (min, max, functional form (see details)). Units=mol N L^-1. |
X |
A vector with length 3 defining external prey concentration (min, max, functional form (see details)). Units=C-mol X L^-1. |
The options for the functional form of each environmental factor are:
1=linear increase from min to max
2=linear decrease from max to min
3=sinusoid with period of one year and a range from min to max
A list of 3 numeric vectors (each with length=length(time)) corresponding to light, DIN, and prey environmental forcing functions.
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