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Research on Sensitivity Calibration Method of Photosynthetic Active Radiation Pyranometer |
Kong Shiyuan1, 2, Sha Yizhuo2, ang Yun2, Zhang guoyu1, Ding lei2, Bian zeqiang2 |
1.China Meteorological Observation Centre, China Meteorological Administration, Beijing 100081, China 2. China Meteorological Observation Centre, China Meteorological Administration, Beijing 100081, China |
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Abstract In order to ensure the accurate and reliable photosynthetically active radiation measurement, sensitivity calibration of photosynthetic active radiation pyranometer is required. Two kinds of sensitivity traceability system are proposed. Calibration methods with spectroradiometer and standard photosynthetic active radiation pyranometer are described in detail respectively. The results show that, the difference between using standard photosynthetically active radiation pyranometer and spectral radiometer is within 5% which meets the need.
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