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DOI10.2172/1020732
报告编号DOE/SC-ARM/TR-009
来源IDOSTI_ID: 1020732
Improved Correction of IR Loss in Diffuse Shortwave Measurements: An ARM Value-Added Product
Younkin, K; Long, CN
英文摘要Simple single black detector pyranometers, such as the Eppley Precision Spectral Pyranometer (PSP) used by the Atmospheric Radiation Measurement (ARM) Program, are known to lose energy via infrared (IR) emission to the sky. This is especially a problem when making clear-sky diffuse shortwave (SW) measurements, which are inherently of low magnitude and suffer the greatest IR loss. Dutton et al. (2001) proposed a technique using information from collocated pyrgeometers to help compensate for this IR loss. The technique uses an empirically derived relationship between the pyrgeometer detector data (and alternatively the detector data plus the difference between the pyrgeometer case and dome temperatures) and the nighttime pyranometer IR loss data. This relationship is then used to apply a correction to the diffuse SW data during daylight hours. We developed an ARM value-added product (VAP) called the SW DIFF CORR 1DUTT VAP to apply the Dutton et al. correction technique to ARM PSP diffuse SW measurements.
出版年2003
报告类型Technical Report
语种英语
国家美国
来源学科分类54 ENVIRONMENTAL SCIENCES ; ACCURACY ; PYRANOMETERS ; RADIATIONS ; ATMOSPHERIC CHEMISTRY
URLhttp://www.osti.gov/scitech/servlets/purl/1020732
资源类型科技报告
条目标识符http://119.78.100.177/qdio/handle/2XILL650/268628
推荐引用方式
GB/T 7714		 Younkin, K,Long, CN. Improved Correction of IR Loss in Diffuse Shortwave Measurements: An ARM Value-Added Product,2003.
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