A. Jaber and S. A. , MENA energy transition strategy: A call for leadership in energy innovation, Energy Strategy Reviews, vol.2, issue.1, pp.5-7, 2013.
DOI : 10.1016/j.esr.2012.11.009

G. P. Anderson, S. A. Clough, F. X. Kneizys, J. H. Chetwynd, and E. P. Shettle, AFGL atmospheric constituent profiles (0-120km), p.6, 1986.

A. Ångström, The parameters of atmospheric turbidity, Tellus, vol.16, pp.64-75, 1964.

A. Benedetti, J. Morcrette, O. Boucher, A. Dethof, R. J. Engelen et al., Aerosol analysis and forecast in the European Centre for Medium-Range Weather Forecasts Integrated Forecast System: 2. Data assimilation, Journal of Geophysical Research, vol.113, issue.D13, 2009.
DOI : 10.1029/2008JD011115

A. Benedictow, A. M. Blechschmidt, I. Bouarar, E. Botek, S. Chabrillat et al., Validation report of the MACC reanalysis of global atmospheric composition: Period, Tech. Rep., MACC-II Project, p.11, 2003.

P. Blanc, B. Espinar, N. Geuder, C. A. Gueymard, R. Meyer et al., Direct normal irradiance related definitions and applications: The circumsolar issue, Solar Energy, vol.110, pp.561-577, 2014.
DOI : 10.1016/j.solener.2014.10.001

URL : https://hal.archives-ouvertes.fr/hal-01084806

P. Blanc and L. Wald, The SG2 algorithm for a fast and accurate computation of the position of the Sun for multi-decadal time period, Solar Energy, vol.86, issue.10, pp.3072-3083, 2012.
DOI : 10.1016/j.solener.2012.07.018

URL : https://hal.archives-ouvertes.fr/hal-00725987

B. A. Bodhaine, N. B. Wood, E. G. Dutton, and J. R. Slusser, On Rayleigh Optical Depth Calculations, 016<1854:ORODC>2.0.CO, pp.1854-18611520, 1999.
DOI : 10.1175/1520-0426(1999)016<1854:ORODC>2.0.CO;2

M. A. Box and A. Deepak, Single and multiple scattering contributions to circumsolar radiation, Applied Optics, vol.17, issue.23, pp.3794-3797, 1978.
DOI : 10.1364/AO.17.003794

B. Brand and J. Zingerle, The renewable energy targets of the Maghreb countries: Impact on electricity supply and conventional power markets, Energy Policy, vol.39, issue.8, pp.4411-4419, 2011.
DOI : 10.1016/j.enpol.2010.10.010

A. P. Brunger and F. C. Hooper, Anisotropic sky radiance model based on narrow field of view measurements of shortwave radiance, Solar Energy, vol.51, issue.1, pp.53-640038, 1993.
DOI : 10.1016/0038-092X(93)90042-M

J. Bryden, L. Riahi, and R. Zissler, MENA renewables status report, p.1, 2013.

D. Buie, A. G. Monger, and C. J. Dey, Sunshape distributions for terrestrial solar simulations, Solar Energy, vol.74, issue.2, pp.113-122, 2003.
DOI : 10.1016/S0038-092X(03)00125-7

J. G. Devore, A. T. Stair, and R. Mcclatchey, SAM (sun and aureole measurement): Examples from April 06 IOP at SGP. Poster presentation available on the Atmospheric Radiation Measurement (ARM) Program website http://www.arm.gov/publications/proceedings, 2007.

J. G. Devore, A. T. Stair-jr, A. Lepage, and D. Villanucci, Using scattering calculations to compare MODIS retrievals of thin cirrus optical properties with SAM solar disk and aureole radiance measurements, Journal of Geophysical Research: Atmospheres, vol.9, issue.18, 2012.
DOI : 10.5194/acp-9-7115-2009

J. G. Devore, D. Villanucci, and A. Lepage, Aureolegraph internal scattering correction, Applied Optics, vol.51, issue.33, pp.7891-7899, 2012.
DOI : 10.1364/AO.51.007891

O. Dubovik, B. Holben, T. F. Eck, A. Smirnov, Y. J. Kaufman et al., Variability of Absorption and Optical Properties of Key Aerosol Types Observed in Worldwide Locations, VOAAOP>2.0.CO, pp.590-6081520, 2002.
DOI : 10.1175/1520-0469(2002)059<0590:VOAAOP>2.0.CO;2

O. Dubovik and M. D. King, A flexible inversion algorithm for retrieval of aerosol optical properties from Sun and sky radiance measurements, Journal of Geophysical Research: Atmospheres, vol.103, issue.2, pp.20673-20696, 2000.
DOI : 10.1029/2000JD900282

O. Dubovik, A. Smirnov, B. N. Holben, M. D. King, Y. J. Kaufman et al., Accuracy assessments of aerosol optical properties retrieved from Aerosol Robotic Network (AERONET) Sun and sky radiance measurements, Journal of Geophysical Research: Atmospheres, vol.103, issue.103, pp.9791-9806, 2000.
DOI : 10.1029/2000JD900040

Y. Eissa, S. Munawwar, A. Oumbe, P. Blanc, H. Ghedira et al., Validating surface downwelling solar irradiances estimated by the McClear model under cloud-free skies in the United Arab Emirates, Solar Energy, vol.114, pp.17-31, 2015.
DOI : 10.1016/j.solener.2015.01.017

URL : https://hal.archives-ouvertes.fr/hal-01114364

C. Emde and B. Mayer, Simulation of solar radiation during a total solar eclipse: a challenge for radiative transfer, Atmospheric Chemistry and Physics Discussions, vol.7, issue.1, pp.2259-2270, 2007.
DOI : 10.5194/acpd-7-499-2007

URL : https://hal.archives-ouvertes.fr/hal-00302415

M. Emilio, J. R. Kuhn, R. I. Bush, and I. F. Scholl, MEASURING THE SOLAR RADIUS FROM SPACE DURING THE 2003 AND 2006 MERCURY TRANSITS, The Astrophysical Journal, vol.750, issue.2, pp.135-1420004, 2012.
DOI : 10.1088/0004-637X/750/2/135

N. Geuder, R. Affolter, B. Kraas, and S. Wilbert, Long-term Behavior, Accuracy and Drift of LI-200 Pyranometers as Radiation Sensors in Rotating Shadowband Irradiometers (RSI), Proceedings of SolarPACES 2013, pp.2330-2339, 2014.
DOI : 10.1016/j.egypro.2014.03.247

N. Geuder, B. Pulvermuller, and O. Vorbrugg, Corrections for rotating shadowband pyranometers for solar resource assessment, Optical Modeling and Measurements for Solar Energy Systems II, 2008.
DOI : 10.1117/12.797472

I. Gherboudj and H. Ghedira, Spatiotemporal assessment of dust loading over the United Arab Emirates, International Journal of Climatology, vol.108, issue.D14, 2014.
DOI : 10.1002/joc.3909

D. F. Grether, A. Hunt, D. Evans, and M. Wahlig, Measurement of circumsolar radiation -Status Report, in: 3rd Annual Solar Heating & Cooling R&D Contractors' Meeting, p.12, 1978.

S. Griffiths, Strategic considerations for deployment of solar photovoltaics in the Middle East and North Africa, Energy Strategy Reviews, vol.2, issue.1, pp.125-131, 2013.
DOI : 10.1016/j.esr.2012.11.001

C. A. Gueymard, SMARTS, A Simple Model of the Atmospheric Radiative Transfer of Sunshine: Algorithms and performance assessment. Professional paper FSEC-PF-270-95, p.12, 1995.

C. A. Gueymard, Parameterized transmittance model for direct beam and circumsolar spectral irradiance, Solar Energy, vol.71, issue.5, pp.325-346, 2001.
DOI : 10.1016/S0038-092X(01)00054-8

C. A. Gueymard, The sun???s total and spectral irradiance for solar energy applications and solar radiation models, Solar Energy, vol.76, issue.4, pp.423-453, 2004.
DOI : 10.1016/j.solener.2003.08.039

C. A. Gueymard, SMARTS code, version 2.9.5: User's manual, 2006.

C. A. Gueymard, Direct and indirect uncertainties in the prediction of tilted irradiance for solar engineering applications, Solar Energy, vol.83, issue.3, pp.432-444, 2009.
DOI : 10.1016/j.solener.2008.11.004

C. A. Gueymard, Spectral Circumsolar Contribution to CPV, Proceedings of International Conference on Concentrating Photovoltaic Systems (CPV-6), 2009.

C. A. Gueymard, Clear-sky irradiance predictions for solar resource mapping and large-scale applications: Improved validation methodology and detailed performance analysis of 18 broadband radiative models, Solar Energy, vol.86, issue.8, pp.2145-2169, 2012.
DOI : 10.1016/j.solener.2011.11.011

V. I. Haltrin, One-parameter two-term Henyey-Greenstein phase function for light scattering in seawater, Applied Optics, vol.41, issue.6, pp.1022-1028, 2002.
DOI : 10.1364/AO.41.001022

L. G. Henyey and J. L. Greenstein, Diffuse radiation in the Galaxy, 93...70H (last access, pp.70-83, 1941.
DOI : 10.1086/144246

M. Hess, P. Koepke, and I. Schult, Optical Properties of Aerosols and Clouds: The Software Package OPAC, 079<0831:OPOAAC>2.0.CO, pp.831-8441520, 1998.
DOI : 10.1175/1520-0477(1998)079<0831:OPOAAC>2.0.CO;2

B. N. Holben, T. F. Eck, I. Slutsker, D. Tanre, J. P. Buis et al., AERONET???A Federated Instrument Network and Data Archive for Aerosol Characterization, Remote Sensing of Environment, vol.66, issue.1, pp.1-16, 1998.
DOI : 10.1016/S0034-4257(98)00031-5

N. Igawa, Y. Koga, T. Matsuzawa, and H. Nakamura, Models of sky radiance distribution and sky luminance distribution, Solar Energy, vol.77, issue.2, pp.137-157, 2004.
DOI : 10.1016/j.solener.2004.04.016

P. Ineichen, Comparison of eight clear sky broadband models against 16 independent data banks, Solar Energy, vol.80, issue.4, pp.468-478, 2006.
DOI : 10.1016/j.solener.2005.04.018

P. Ineichen, B. Molineaux, and R. Perez, Sky luminance data validation: Comparison of seven models with four data banks, Solar Energy, vol.52, issue.4, pp.337-3460038, 1994.
DOI : 10.1016/0038-092X(94)90140-6

A. Inness, F. Baier, A. Benedetti, I. Bouarar, S. Chabrillat et al., The MACC reanalysis: an 8 yr data set of atmospheric composition, Atmospheric Chemistry and Physics, vol.135194, pp.4073-4109, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00769017

W. M. Irvine, Multiple Scattering by Large Particles., 142.1563I (last access, pp.1563-1575, 1965.
DOI : 10.1086/148436

E. G. Jilinski, S. P. Puliaev, J. L. Penna, A. H. Andrei, V. Sinceac et al., Solar diameter observations with the Astrolabe at Observat??rio Nacional - Rio de Janeiro, Astronomy and Astrophysics Supplement Series, vol.130, issue.2, pp.317-321, 1998.
DOI : 10.1051/aas:1998228

F. Kasten and A. T. Young, Revised optical air mass tables and approximation formula, Applied Optics, vol.28, issue.22, pp.4735-4738, 1989.
DOI : 10.1364/AO.28.004735

S. Kato, T. P. Ackerman, J. H. Mather, and E. E. Clothiaux, The k-distribution method and correlated-k approximation for a shortwave radiative transfer model, Journal of Quantitative Spectroscopy and Radiative Transfer, vol.62, issue.1, pp.22-407300075, 1999.
DOI : 10.1016/S0022-4073(98)00075-2

G. W. Kattawar, A three-parameter analytic phase function for multiple scattering calculations, Journal of Quantitative Spectroscopy and Radiative Transfer, vol.15, issue.9, pp.839-8490022, 1975.
DOI : 10.1016/0022-4073(75)90095-3

J. R. Key, P. Yang, B. A. Baum, and S. L. Nasiri, Parameterization of shortwave ice cloud optical properties for various particle habits, Journal of Geophysical Research, vol.106, issue.D15, 2002.
DOI : 10.1029/2001JD000742

M. Kocifaj and C. A. Gueymard, Theoretical evaluation of errors in aerosol optical depth retrievals from ground-based direct-sun measurements due to circumsolar and related effects, Atmospheric Environment, vol.45, issue.4, pp.1050-1058, 2011.
DOI : 10.1016/j.atmosenv.2010.07.054

S. Kuravi, J. Trahan, D. Y. Goswami, M. M. Rahman, and E. K. Stefanakos, Thermal energy storage technologies and systems for concentrating solar power plants, Progress in Energy and Combustion Science, pp.285-319, 2013.
DOI : 10.1016/j.pecs.2013.02.001

S. Kurtz, Opportunities and challenges for development of a mature concentrating photovoltaic power industry, p.12, 2012.
DOI : 10.2172/935595

C. Lee, P. Chou, C. Chiang, and C. Lin, Sun Tracking Systems: A Review, Sensors, vol.9, issue.5, 2009.
DOI : 10.3390/s90503875

M. Lefevre, A. Oumbe, P. Blanc, B. Espinar, B. Gschwind et al., McClear: a new model estimating downwelling solar radiation at ground level in clear-sky conditions, Atmospheric Measurement Techniques, vol.6, issue.9, pp.2403-2418, 2013.
DOI : 10.5194/amt-6-2403-2013

URL : https://hal.archives-ouvertes.fr/hal-00862906

A. Lepage, S. Kras, and J. G. Devore, Description of SAM (sun and aureole measurement) sensor data collected in support of CLASIC and CHAPS, 2008.

D. Marquardt, An Algorithm for Least-Squares Estimation of Nonlinear Parameters, Journal of the Society for Industrial and Applied Mathematics, vol.11, issue.2, pp.431-441, 1963.
DOI : 10.1137/0111030

B. Mayer, Radiative transfer in the cloudy atmosphere. The European Physical Journal Conferences 1, pp.75-99, 2009.

B. Mayer and A. Kylling, Technical note: The libRadtran software package for radiative transfer calculations - description and examples of use, Atmospheric Chemistry and Physics, vol.5, issue.7, pp.1855-1877, 2005.
DOI : 10.5194/acp-5-1855-2005

URL : https://hal.archives-ouvertes.fr/hal-00295701

B. Mayer, A. Kylling, C. Emde, U. Hamann, and R. Buras, libRadtran user's guide, p.12, 2012.

B. Mayer, A. Kylling, C. Emde, R. Buras, U. Hamann et al., libRadtran user's guide, p.8, 2014.

L. J. Mcarthur, Baseline surface radiation network (BSRN): Operations manual, WCRP21_TD1274_BSR N.pdf (last access, p.21, 2005.

M. Mimouni, Horizon at station Tamanrasset. National Meteorological Office of Algeria, 2007.

A. Neumann, A. Witzke, S. A. Jones, and G. Schmitt, Representative Terrestrial Solar Brightness Profiles, Journal of Solar Energy Engineering, vol.124, issue.2, pp.198-204, 2002.
DOI : 10.1115/1.1464880

J. E. Noring, D. F. Grether, and A. J. Hunt, Circumsolar radiation data: the Lawrence Berkeley Laboratory Reduced Data Base, 1991.
DOI : 10.2172/6125786

A. Ohmura, E. G. Dutton, B. Forgan, C. Fröhlich, H. Gilgen et al., Baseline Surface Radiation Network (BSRN/WCRP): New Precision Radiometry for Climate Research, 079<2115:BSRNBW>2.0.CO, pp.2115-21361520, 1998.
DOI : 10.1175/1520-0477(1998)079<2115:BSRNBW>2.0.CO;2

A. Oumbe, H. Bru, Z. Hassar, P. Blanc, L. Wald et al., On the improvement of MACC aerosol spatial resolution for irradiance estimation in the United Arab Emirates, ISES Solar World Congress, pp.3-7, 2013.
URL : https://hal.archives-ouvertes.fr/hal-01493638

B. Parida, S. Iniyan, and R. Goic, A review of solar photovoltaic technologies, Renewable and Sustainable Energy Reviews, vol.15, issue.3, pp.1625-1636, 2011.
DOI : 10.1016/j.rser.2010.11.032

R. Pastiels, Contribution à l'étude du problème des méthodes actinométriques, 1959.

R. Perez, P. Ineichen, R. Seals, J. Michalsky, and R. Stewart, Modeling daylight availability and irradiance components from direct and global irradiance, Solar Energy, vol.44, issue.5, pp.271-2890038, 1990.
DOI : 10.1016/0038-092X(90)90055-H

R. Perez, P. Ineichen, R. Seals, and A. Zelenka, Making full use of the clearness index for parameterizing hourly insolation conditions, Solar Energy, vol.45, issue.2, pp.111-1140038, 1990.
DOI : 10.1016/0038-092X(90)90036-C

R. Perez, R. Seals, and J. Michalsky, All-weather model for sky luminance distribution???Preliminary configuration and validation, Solar Energy, vol.50, issue.3, pp.235-2450038, 1993.
DOI : 10.1016/0038-092X(93)90017-I

A. Rabl and P. Bendt, Effect of Circumsolar Radiation on Performance of Focusing Collectors, Journal of Solar Energy Engineering, vol.104, issue.3, pp.237-250, 1982.
DOI : 10.1115/1.3266308

J. Reid, S. Piketh, R. Kahn, R. Bruintjes, and B. Holben, A summary of first year activities of the United Arab Emirates Unified Aerosol Experiment: UAE2. Tech. Rep, pp.7534-7539, 2005.

B. Reinhardt, On the retrieval of circumsolar radiation from satellite observations and weather model output. Dissertation, LMU München: Faculty of Physics, 2013.

B. Reinhardt, R. Buras, L. Bugliaro, S. Wilbert, and B. Mayer, Determination of circumsolar radiation from Meteosat Second Generation Atmospheric Measurement Techniques 7, pp.823-838, 2014.

J. Remund, L. Wald, M. Lefevre, T. Ranchin, and J. Page, World-wide Linke turbidity information. CD-ROM published by International Solar Energy Society, Proceedings of ISES Solar World Congress, pp.16-19, 2003.

C. Richter, S. Teske, and R. Short, Concentrating solar power -global outlook 09 Report published by Greenpeace International, SolarPACES and ESTELA. http://www.greenpeace.org, p.12, 2009.

C. Rigollier, O. Bauer, and L. Wald, On the clear sky model of the ESRA ??? European Solar Radiation Atlas ??? with respect to the heliosat method, Solar Energy, vol.68, issue.1, pp.33-48, 2000.
DOI : 10.1016/S0038-092X(99)00055-9

URL : https://hal.archives-ouvertes.fr/hal-00361373

A. Roesch, M. Wild, A. Ohmura, E. G. Dutton, C. N. Long et al., Assessment of BSRN radiation records for the computation of monthly means, Atmospheric Measurement Techniques, vol.4, issue.2, pp.339-354, 2011.
DOI : 10.5194/amt-4-339-2011

A. Roesch, M. Wild, A. Ohmura, E. G. Dutton, C. N. Long et al., Assessment of BSRN radiation records for the computation of monthly means, Atmospheric Measurement Techniques, vol.4, issue.2, pp.339-354, 2011.
DOI : 10.5194/amt-4-339-2011

M. Romero-alvarez and E. Zarza, Concentrating solar thermal power, in: Handbook of Energy Efficiency and Renewable Energy, pp.21-22, 2007.

C. Schillings, H. Mannstein, and R. Meyer, Operational method for deriving high resolution direct normal irradiance from satellite data, Solar Energy, vol.76, issue.4, pp.475-484, 2004.
DOI : 10.1016/j.solener.2003.07.038

M. Schroedter-homscheidt, A. Oumbe, A. Benedetti, and J. Morcrette, Aerosols for Concentrating Solar Electricity Production Forecasts: Requirement Quantification and ECMWF/MACC Aerosol Forecast Assessment, Bulletin of the American Meteorological Society, vol.94, issue.6, pp.903-914, 2013.
DOI : 10.1175/BAMS-D-11-00259.1

G. F. Shaw and C. S. Deehr, Relationship between circumsolar sky brightness and atmospheric aerosols, U.S. Environmental Protection Agency Technical Report, pp.4-75, 1974.

E. P. Shettle and R. W. Fenn, Models for the aerosols of the lower atmosphere and the effects of humidity variations on their optical properties, 1979.

G. K. Singh, Solar power generation by PV (photovoltaic) technology: A review, Energy, vol.53, pp.1-13, 2013.
DOI : 10.1016/j.energy.2013.02.057

A. Smirnov, B. N. Holben, T. F. Eck, O. Dubovik, and I. Slutsker, Cloud-Screening and Quality Control Algorithms for the AERONET Database, Remote Sensing of Environment, vol.73, issue.3, pp.337-349, 2000.
DOI : 10.1016/S0034-4257(00)00109-7

A. T. Stair and J. G. Devore, Sun and Aureole Measurements: A sensor for cloud optical properties and circumsolar radiation. Brochure available on www.visidyne.com, pp.7-5493, 2012.

K. Stamnes, S. C. Tsay, W. Wiscombe, and K. Jayaweera, Numerically stable algorithm for discrete-ordinate-method radiative transfer in multiple scattering and emitting layered media, Applied Optics, vol.27, issue.12, pp.2502-2509, 1988.
DOI : 10.1364/AO.27.002502

K. Stamnes, S. C. Tsay, W. Wiscombe, and I. Laszlo, DISORT, a general-purpose Fortran program for Discrete-Ordinate-Method Radiative Transfer in scattering and emitting layered media: Documentation of methodology, Tech. rep., Dept. of Physics and Engineering Physics, p.4, 2000.

E. Thomalla, P. Köpke, H. Müller, and H. Quenzel, Circumsolar radiation calculated for various atmospheric conditions, Solar Energy, vol.30, issue.6, pp.575-5870038, 1983.
DOI : 10.1016/0038-092X(83)90069-5

F. Vignola, Solar cell based pyranometers: Evaluation of the diffuse response Proceedings of the 1999 ASES Annual Conference, EvaluationoftheDiffuseResponse.pdf, 1999.

F. Vignola, Removing systematic errors from rotating shadowband pyranometer data, Proceedings of the 35th ASES Annual Conference, pp.9-13, 2006.

L. Wald, Solar radiation energy (fundamentals) Solar Energy Conversion and Photoenergy Systems, Encyclopedia of Life Support Systems (EOLSS), Developed under the Auspices of the UNESCO, 2007.

S. Wilbert, R. Pitz-paal, and J. Jaus, Circumsolar radiation and beam irradiance measurements for focusing collectors. COST WIRE ES1002 Workshop on Remote Sensing Measurements for Renewable Energy, pp.22-23, 2012.

S. Wilbert, R. Pitz-paal, and S. Müller, Rotating shadowband irradiometers and circumsolar radiation, 2012.

S. Wilbert, B. Reinhardt, J. G. Devore, M. Röger, R. Pitz-paal et al., Measurement of Solar Radiance Profiles With the Sun and Aureole Measurement System, Journal of Solar Energy Engineering, vol.135, issue.4, 2013.
DOI : 10.1115/1.4024244

M. Wittmann, T. Hirsch, and M. Eck, Some aspects on parabolic trough field operation with oil as a heat transfer fluid, Proceedings of SolarPACES, vol.15, p.15, 2009.

Y. Zhang, S. J. Smith, G. P. Kyle, and P. W. Stackhouse-jr, Modeling the potential for thermal concentrating solar power technologies, Energy Policy, vol.38, issue.12, pp.7884-7897, 2010.
DOI : 10.1016/j.enpol.2010.09.008

. Histogram, nm. The solid black line depicts the mean value, the black dashed line the mean value ± 1? and the black dotted line the mean ± 2?, where ? is the standard deviation, pp.675-75

A. Arbitrary and A. Pa, ? as a function of the scattering angle ? at 675 nm, its HG PFCN representation and its TTHG PFCN representation