RReDC Glossary of Solar Radiation Resource Terms Glossary of Solar Radiation Resource Terms Other relevant glossaries The following links allow you to move to the words beginning with that letter. NCDC - the United States National Climatic Data Center . NIP - a Normal Incident Pyrheliometer , used to determine the amount of solar irradiance emitted from the direction of the sun.
Typical usage defines it as any energy source that is used faster than it is replenished .
Normal Radiation - radiation striking a surface that is facing the sun. The following links allow you to move to the words beginning with that letter. Disclaimer and copyright notice .