ASTM E490 extraterrestrial solar irradiance spectrum

Reference top-of-atmosphere solar spectral irradiance, used to convert simulated top-of-canopy radiance to reflectance and in SPART's atmosphere-coupled simulations.

Usage

Extraterrestrial_irradiance

Format

A data frame with 2001 rows (400-2400 nm) and 2 columns: wave (wavelength, nm) and EIrrad (extraterrestrial spectral irradiance, W m^-2 nm^-1).