Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 January 2007
Published in Agron J 99:297-303 (2007)
DOI: 10.2134/agronj2005.0077s
© 2007 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Calibration of Shielded Net Radiometers

Leo J. Fritschena,* and Charles L. Fritschenb

a Univ. of Washington, Seattle, WA 98195, and Radiation and Energy Balance Systems, Bellevue, WA 98115
b Radiation and Energy Balance Systems, Bellevue, WA 98115


Figure 1
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Fig. 1. Ventilated net radiometer.

 

Figure 2
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Fig. 2. Calibration of net radiometers by the shading technique. Left scale is flux density from instruments, right scale is calibration factors.

 

Figure 3
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Fig. 3. Calibration array using partial shading from the sunlight side.

 

Figure 4
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Fig. 4. Calibration array using partial shading from the shaded side.

 

Figure 5
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Fig. A2–1. Cross-sectional view of a short- and long-wave radiation chamber. Dimensions are in meters.

 

Figure 6
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Fig. A3–1. Cross-sectional view of the wind test chamber. Dimensions are in meters unless labeled.

 





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