Improvements in the Blackbody Calibration of Pyrgeometers (Poster)
Conference
·
OSTI ID:1063016
Pyrgeometers are used to measure the atmospheric longwave irradiance throughout the ARM program sites. Previous calibrations of pyrgeometers using ARM/Eppley/NREL blackbody were consistent, but introduced a difference in the historical clear sky measured irradiance. This difference was believed to be in the order of 12 W/m2. In this poster we show the improvements to the blackbody and calibration methodology by comparing our results to the results of a group of pyrgeometers that were recently calibrated against the World Infrared Standard Group, in the World Radiation Center, Davos/Switzerland.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- DOE Contract Number:
- AC36-08GO28308
- OSTI ID:
- 1063016
- Report Number(s):
- NREL/PO-560-45867
- Resource Relation:
- Conference: Presented at the Eighteenth Atmospheric Radiation Measurement (ARM) Program Science Team Meeting; Norfolk, Virginia; March 10-14, 2008
- Country of Publication:
- United States
- Language:
- English
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