Show Summary Details

Quick Reference

An instrument for measuring (depending on design) either the total amount of radiation received on a horizontal surface, or else the diffuse radiation from the sky, excluding that from the Sun. Various wavelength ranges may be measured, including photosynthetically active radiation. A shielded, downward-facing version may be used to determine albedo.

Subjects: Meteorology and Climatology.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.