Articles | Volume 18, issue 11
Atmos. Chem. Phys., 18, 7985–8000, 2018
https://doi.org/10.5194/acp-18-7985-2018

Special issue: CHemistry and AeRosols Mediterranean EXperiments (ChArMEx)...

Atmos. Chem. Phys., 18, 7985–8000, 2018
https://doi.org/10.5194/acp-18-7985-2018

Research article 07 Jun 2018

Research article | 07 Jun 2018

A long-term time series of global and diffuse photosynthetically active radiation in the Mediterranean: interannual variability and cloud effects

Pamela Trisolino et al.

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Cited articles

Akitsu, T., Nishida Nasahara, K., Hirose, Y., Ijima, O., and Kume, A.: Quantum sensors for accurate and stable long-term photosynthetically active radiation observations, Agr. Forest Meteorol., 237, 171–183, 2017. 
Alados, I. and Alados-Arboledas, L.: Validation of an empirical model for photosynthetically active radiation, Int. J. Climatol., 19, 1145–1152, 1999. 
Alados, I., Foyo-Moreno, I., and Alados-Arboledas, L.: Photosynthetically Active Radiation: measurements and modelling, Agr. Forest Meteorol., 78, 121–131, 1996. 
Becagli, S., Lazzara, L., Fani, F., Marchese, C., Traversi, R., Severi, M., di Sarra, A., Sferlazzo, D., Piacentino, S., Bommarito, C., Dayan, U., and Udisti, R.: Relationship between methanesulfonate MS-) in atmospheric particulate and remotely sensed phytoplankton activity in oligo-mesotrophic central Mediterranean Sea, Atmos. Environ., 79, 681–688, 2013. 
Biavati, G. and di Sarra, A.: Individuazione dei periodi di cielo sereno da misure di radiazione solare globale e diffusa, Technical report ENEA, RT/2004/66/CLIM., 2004. 
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Short summary
The long-term (2002–2016) variability of global and diffuse PAR over the central Mediterranean is investigated based on measurements from Lampedusa. PAR modulates biological processes and this study provides useful insight into its variability. Seasonal and interannual variability of global and diffuse PAR is characterized and the effects of clouds are quantified. The analysis suggests that 77 % of the global PAR interannual variability may be ascribed to clouds.
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