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Advances in Science and Research Contributions in Applied Meteorology and Climatology
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New Caledonia experiences a decrease in surface solar irradiation since 2004, of order of 4% of the mean yearly irradiation, and amounts to 9 W m 2. The preeminent roles of the changes in cloud cover and to a lesser extent, those in aerosol optical depth on the decrease in yearly irradiation are evidenced. The study highlights the role of data sets offering a worldwide coverage in understanding changes in solar radiation and planning large solar energy plants.
Articles | Volume 12, issue 1
Adv. Sci. Res., 12, 1–4, 2015
https://doi.org/10.5194/asr-12-1-2015
Adv. Sci. Res., 12, 1–4, 2015
https://doi.org/10.5194/asr-12-1-2015

  17 Feb 2015

17 Feb 2015

Yearly changes in surface solar radiation in New Caledonia

P. Blanc1, C. Coulaud2, and L. Wald1 P. Blanc et al.
  • 1MINES ParisTech, PSL Research University, Centre Observation, Impacts, Energy, BP 204, 06905 Sophia Antipolis CEDEX, France
  • 2ADEME, Valbonne, France

Abstract. New Caledonia experiences a decrease in surface solar irradiation since 2004. It is of order of 4% of the mean yearly irradiation over the 10 years period: 2004–2013, and amounts to −9 W m−2. The preeminent roles of the changes in cloud cover and to a lesser extent, those in aerosol optical depth on the decrease in yearly irradiation are evidenced. The study highlights the role of data sets offering a worldwide coverage in understanding changes in solar radiation and planning large solar energy plants such as the ICOADS (International Comprehensive Ocean-Atmosphere Data Set) of the NOAA and MACC (Monitoring Atmosphere Composition and Climate) data sets combined with the McClear model.

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Short summary
New Caledonia experiences a decrease in surface solar irradiation since 2004, of order of 4% of the mean yearly irradiation, and amounts to 9 W m 2. The preeminent roles of the changes in cloud cover and to a lesser extent, those in aerosol optical depth on the decrease in yearly irradiation are evidenced. The study highlights the role of data sets offering a worldwide coverage in understanding changes in solar radiation and planning large solar energy plants.
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