as_quantum {photobiology}

Convert spectral energy irradiance into spectral photon irradiance

Description

Convert spectral energy irradiance [W m-2 nm-1] into spectral photon irradiance expressed as number of photons [s-1 m-2 nm-1]

Usage

as_quantum(w.length, s.e.irrad)

Arguments

w.length

numeric vector of wavelengths (nm).

s.e.irrad

numeric vector of spectral (energy) irradiance values.

Value

A numeric vector of spectral photon irradiances.

See Also

Other quantity conversion functions: A2T(), Afr2T(), T2A(), T2Afr(), any2T(), e2q(), e2qmol_multipliers(), e2quantum_multipliers(), q2e()

Examples

with(sun.data, as_quantum(w.length, s.e.irrad))