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Modeling and analysis of the spatiotemporal variations of photosynthetically active radiation in China during 1961–2012

Author

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  • Wang, Lunche
  • Gong, Wei
  • Hu, Bo
  • Lin, Aiwen
  • Li, Hui
  • Zou, Ling

Abstract

Photosynthetically active radiation (PAR) observed at 39 stations of Chinese Ecosystem Research Network (CERN) during 2006–2012 were reported for developing all-sky PAR models at hourly and daily scales in China. The models were proposed by investigating the dependence of PAR on cosine of solar zenith angle and clearness index (Kt) under various sky conditions. The models have been validated through various statistical methods and the results indicated that our models can produce satisfied estimations in China. The PAR dataset from 1961 to 2012 was then reconstructed based on global solar radiation (G) at 115 meteorological stations obtained from National Meteorological Center. Spatiotemporal characteristics of PAR in China were further analyzed, and it was discovered that annual mean daily PAR ranged from 18.95 to 35.48mol m-2 day-1 with average value being about 27.61molm−2day−1; the values were generally higher in Northwestern China and Qinghai–Tibet Plateau. Annual mean PAR decreased at the rate of 0.15molm−2 per decade in China during 1961–2012, but it still increased in spring months (0.08molm−2day−1 per decade). The possible causes for the spatial patterns and temporal variations of PAR were further investigated by analyzing the annual and seasonal variations of G, PAR/G (Fp) and Kt during the whole study period.

Suggested Citation

  • Wang, Lunche & Gong, Wei & Hu, Bo & Lin, Aiwen & Li, Hui & Zou, Ling, 2015. "Modeling and analysis of the spatiotemporal variations of photosynthetically active radiation in China during 1961–2012," Renewable and Sustainable Energy Reviews, Elsevier, vol. 49(C), pages 1019-1032.
    • Handle: RePEc:eee:rensus:v:49:y:2015:i:c:p:1019-1032
    DOI: 10.1016/j.rser.2015.04.174
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    References listed on IDEAS

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    1. Wang, Lunche & Gong, Wei & Li, Chen & Lin, Aiwen & Hu, Bo & Ma, Yingying, 2013. "Measurement and estimation of photosynthetically active radiation from 1961 to 2011 in Central China," Applied Energy, Elsevier, vol. 111(C), pages 1010-1017.
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    Cited by:

    1. Hu, Bo & Liu, Hui & Wang, Yuesi, 2016. "Investigation of the variability of photosynthetically active radiation in the Tibetan Plateau, China," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 240-248.
    2. Wang, Lunche & Kisi, Ozgur & Zounemat-Kermani, Mohammad & Hu, Bo & Gong, Wei, 2016. "Modeling and comparison of hourly photosynthetically active radiation in different ecosystems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 436-453.
    3. Feiyan Chen & Zhigao Zhou & Aiwen Lin & Jiqiang Niu & Wenmin Qin & Zhong Yang, 2019. "Evaluation of Direct Horizontal Irradiance in China Using a Physically-Based Model and Machine Learning Methods," Energies, MDPI, vol. 12(1), pages 1-19, January.
    4. Zhou, Zhigao & Wang, Lunche & Lin, Aiwen & Zhang, Ming & Niu, Zigeng, 2018. "Innovative trend analysis of solar radiation in China during 1962–2015," Renewable Energy, Elsevier, vol. 119(C), pages 675-689.
    5. Germán Ramos Ruiz & Carlos Fernández Bandera, 2017. "Validation of Calibrated Energy Models: Common Errors," Energies, MDPI, vol. 10(10), pages 1-19, October.

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