کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5450749 | 1513065 | 2017 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Estimation of photosynthetically active radiation using solar radiation in the UV-visible spectral band
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
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چکیده انگلیسی
In this paper, we discuss a method using the UV-visible band flux to estimate photosynthetically active radiation (PAR). We use radiative transfer models to calculate the ratio of PAR to the UV-visible flux and confirm that this ratio is close to constant regardless of atmospheric conditions. The best ratio identified in this study is 0.8644. We further introduce a UV-visible band model and use it to calculate the PAR flux using observational datasets, mainly taken from the US SURFRAD network. The results are compared with the observations. It is seen that the PAR values determined using this method are in good agreement with observations. The relative mean biases (rMB) for both clear- and all-sky conditions evaluated for seven SURFRAD stations are â1.04% and â4.85%, respectively. The corresponding relative root mean square errors (rRMS) are 6.22% and 17.97%, respectively.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solar Energy - Volume 153, 1 September 2017, Pages 611-622
Journal: Solar Energy - Volume 153, 1 September 2017, Pages 611-622
نویسندگان
Zhian Sun, Liang Hong, Liu Jingmiao, Shi Guoping,