Classification of aerosol radiative properties during African desert dust intrusions over southeastern Spain by sector origins and cluster analysis

Journal of Geophysical Research Atmospheres

Volumn 117, Issue 6, 2012, Pages

  Valenzuela, A ^a,b   Olmo, F J ^a,b   Lyamani, H ^a,b   Anton M ^a,b   Quirantes, A ^a   Alados Arboledas, L ^a,b  

^a UNIVERSITY OF GRANADA   (Spain)

^b Centro Andaluz de Medio Ambiente   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC AEROSOLS; ATMOSPHERIC MOVEMENTS; CLUSTER ANALYSIS; DUST; LANDFORMS; MIXING; OPTICAL PROPERTIES; TRAJECTORIES;

ABSORBING PROPERTIES; AEROSOL OPTICAL DEPTHS; AEROSOL PROPERTIES; AIR MASS; AIR MASSES BACK TRAJECTORIES; ALGERIA; ANTHROPOGENIC AEROSOLS; ANTHROPOGENIC POLLUTANTS; CLASSIFICATION METHODS; COARSE MODE; DESERT DUST; EXTINCTION MEASUREMENTS; INDUSTRIAL AREA; INVERSION CODE; MEAN VALUES; MEDITERRANEAN AREAS; MICROPHYSICAL PROPERTY; MOVING AIR; NON-SPHERICAL; PRINCIPAL PLANES; RADIATIVE PROPERTIES; SINGLE SCATTERING ALBEDO; SOURCE REGION; TRANSPORT PATHWAYS; TWO CLASSIFICATION;

AIR POLLUTION;

AEROSOL; AIR MASS; ANTHROPOGENIC EFFECT; ATMOSPHERIC POLLUTION; CLUSTER ANALYSIS; DESERT; DUST; MEASUREMENT METHOD; OPTICAL PROPERTY; POLLUTANT SOURCE; RADIATION BALANCE; WAVELENGTH;

ANDALUCIA; GRANADA [ANDALUCIA]; NORTH AFRICA; SPAIN;

EID: 84859467886     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2011JD016885     Document Type: Article

References (84)

1. Alados-Arboledas, L., H. Lyamani, and F. J. Olmo (2003), Aerosol size properties at Armilla, Granada (Spain), Q. J. R. Meteorol. Soc., 129, 1395-1413, doi:10.1256/qj.01.207. (Pubitemid 36568271)
2. Alados-Arboledas, L., et al. (2008), Aerosol columnar properties retrieved from CIMEL radiometers during VELETA 2002, Atmos. Environ., 42, 2654-2667, doi:10.1016/j.atmosenv.2007.10.006. (Pubitemid 351469963)
3. Basart, S., C. Perez, E. Cuevas, J. M. Baldasano, and G. P. Gobbi (2009), Aerosol characterization in Northern Africa, Northeastern Atlantic, Mediterranean Basin and Middle East from direct-sun AERONET observations, Atmos. Chem. Phys., 9, 8265-8282, doi:10.5194/acp-9-8265-2009.
4. Bauer, S., E. Bierwirth, M. Esselborn, A. Petzold, A. Macke, T. Trautmann, and M. Wendisch (2011), Airborne spectral radiation measurements to derive solar radiative forcing of Saharan dust mixed with biomass burning smoke particles, Tellus, Ser. B, 63, 742-750.
5. Bellantone, V., I. Carofalo, F. De Tomasi, M. R. Perrone, M. Santese, A. M. Tafuro, and A. Turnone (2008), In situ samplings and remote sensing measurements to characterize aerosol properties over South-East Italy, J. Atmos. Oceanic Technol., 25(8), 1341-1356, doi:10.1175/ 2007JTECHA958.1.
6. Bond, T. C., and R. W. Bergstrom (2006), Light absorption by carbonaceous particles: An investigative review, Aerosol Sci. Technol., 40, 27-67, doi:10.1080/02786820500421521.
7. Bösenberg, J., et al. (2003), A European aerosol research lidar network to establish an aerosol climatology, MPI Rep., 348, Max-Planck-Inst. für Meteorol., Hamburg, Germany.
8. Cachorro, V. E., C. Toledano, N. Prats, M. Sorribas, S. Mogo, A. Berjón, B. Torres, R. Rodrigo, J. de la Rosa, and A. M. De Frutos (2008), The strongest desert dust intrusion mixed with smoke over the Iberian Peninsula registered with Sun photometry, J. Geophys. Res., 113, D14S04, doi:10.1029/2007JD009582.
9. Collaud Coen, M., E. Weingartner, D. Schaub, C. Hueglin, C. Corrigan, S. Henning, M. Schwikowski, and U. Baltensperger (2004), Saharan dust events at the Jungfraujoch: Detection by wavelength dependence of the single scattering albedo and first climatology análisis, Atmos. Chem. Phys., 4, 2465-2480, doi:10.5194/acp-4-2465-2004. (Pubitemid 40191224)
10. Córdoba-Jabonero, C., et al. (2011), Synergetic monitoring of Saharan dust plumes and potential impact on surface: A case study of dust transport from Canary Islands to Iberian Peninsula, Atmos. Chem. Phys., 11, 3067-3091, doi:10.5194/acp-11-3067-2011.
11. Dorling, S. R., T. D. Davies, and C. E. Pierce (1992), Cluster analysis: A technique for estimating the synoptic meteorological controls on air and precipitation chemistry-Results from Eskdalemuir, south Scotland, Atmos. Environ., 26, 2583-2602. (Pubitemid 23374497)
12. Draxler, R. R., and G. D. Hess (1998), An overview of the HYSPLIT-4 modelling system for trajectories, dispersion and deposition, Aust. Meteorol. Mag., 47, 295-308. (Pubitemid 128184063)
13. Draxler, R. R., and G. Rolph (2003), HYSPLIT (Hybrid Single-Particle Lagrangian Integrated Trajectory) Model, NOAA Air Resour. Lab., Silver Spring, Md. [Available at http://www.arl.noaa.gov/ready/hysplit4. html.]
14. Draxler, R. R., B. Stunder, G. Rolph, and A. Taylor (2009), HYSPLIT-4 User's Guide, NOAA Air Resour. Lab., Silver Spring, Md.
15. Dubovik, O., B. Holben, T. F. Eck, A. Smirnov, Y. J. Kaufman, M. D. King, D. Tanre, and I. Slutsker (2002a), Variability of absorption and optical properties of key aerosol types observed in worldwide locations, J. Atmos. Sci., 59, 590-608, doi:10.1175/1520-0469(2002) 059<0590:VOAAOP>2.0.CO;2. (Pubitemid 34838293)
16. Dubovik, O., B. N. Holben, T. Lapyonok, A. Sinyuk, M. I. Mishchenko, P. Yang, and I. Slutsker (2002b), Non-spherical aerosol retrieval method employing light scattering by spheroids, Geophys. Res. Lett., 29(10), 1415, doi:10.1029/2001GL014506.
17. Duran, P. (1997), Medidas espectrorradiométricas para la determinación de componentes atmosféricos (ozono, vapor de agua y aerosoles) y modelización del intercambio radiativo en la atmósfera, Ph.D. thesis, Univ. de Valladolid, Valladolid, Spain.
18. Eck, T. F., et al. (2010), Climatological aspects of the optical properties of fine/coarse mode aerosol mixtures, J. Geophys. Res., 115, D19205, doi:10.1029/2010JD014002.
19. El-Askary, H., R. Farouk, C. Ichoku, and M. Kafatos (2009), Transport of dust and anthropogenic aerosols across Alexandria, Egypt, Ann. Geophys., 27, 2869-2879, doi:10.5194/angeo-27-2869-2009.
20. Engelstaedter, S., I. Tegen, and R. Washington (2006), North African dust emissions and transport, Earth Sci. Rev., 79, 73-100, doi:10.1016/ j.earscirev.2006.06.004. (Pubitemid 44734560)
21. Escudero, M., S. Castillo, X. Querol, A. Avila, M. Alarcón, M. M. Viana, A. Alastuey, E. Cuevas, and S. Rodríguez (2005), Wet and dry African dust episodes over eastern Spain, J. Geophys. Res., 110, D18S08, doi:10.1029/2004JD004731. (Pubitemid 41594441)
22. Escudero, M., A. F. Stein, R. R. Draxler, X. Querol, A. Alastuey, S. Castillo, and A. Avila (2011), Source apportionment for African dust outbreaks over the Western Mediterranean using the HYSPLIT model, Atmos. Res., 99, 518-527, doi:10.1016/j.atmosres.2010.12.002.
23. Estellés, V., et al. (2006), Intercomparison of spectroradiometers and Sun photometers for the determination of the aerosol optical depth during the VELETA-2002 field campaign, J. Geophys. Res., 111, D17207, doi:10.1029/2005JD006047.
24. Estellés, V., J. A. Martinez-Lozano, and M. A. P. Utrillas (2007), Influence of air mass history on the columnar aerosol properties at Valencia, Spain, J. Geophys. Res., 112, D15211, doi:10.1029/2007JD008593. (Pubitemid 47534418)
25. Fu, Q., et al. (2010), Source, long-range transport, and characteristics of a heavy dust pollution event in Shanghai, J. Geophys. Res., 115, D00K29, doi:10.1029/2009JD013208.
26. Garcia, O. E., F. J. Exposito, J. P. Diaz, and A. M. Diaz (2011), Radiative forcing under mixed aerosol conditions, J. Geophys. Res., 116, D01201, doi:10.1029/2009JD013625.
27. Gobbi, G. P., Y. J. Kaufman, I. Koren, and T. F. Eck (2007), Classification of aerosol properties derived from AERONET direct sun data, Atmos. Chem. Phys., 7, 453-458, doi:10.5194/acp-7-453-2007. (Pubitemid 46180341)
28. Goudie, A. S., and N. J. Middleton (2001), Saharan dust storms: Nature and consequences, Earth Sci. Rev., 56, 179-204, doi:10.1016/S0012-8252(01)00067- 8. (Pubitemid 34018696)
29. Gu, Y., K. N. Liou, W. Chen, and H. Liao (2010), Direct climate effect of black carbon in China and its impact on dust storms, J. Geophys. Res., 115, D00K14, doi:10.1029/2009JD013427.
30. Guerrero-Rascado, J. L., F. J. Olmo, I. Avilés-Rodríguez, F. Navas-Guzmán, D. Pérez-Ramírez, H. Lyamani, and L. Alados Arboledas (2009), Extreme Saharan dust event over the southern Iberian Peninsula in September 2007: Active and passive remote sensing from surface and satellite, Atmos. Chem. Phys., 9, 8453-8469, doi:10.5194/acp-9-8453-2009.
31. Hand, V., G. Capes, D. Vaughan, P. Formenti, M. Jim, J. Haywood, and H. Coe (2010), Evidence of internal mixing of African dust and biomass burning particles by individual particle analysis using electron beam techniques, J. Geophys. Res., 115, D13301, doi:10.1029/ 2009JD012938.
32. Holben, B. N., et al. (1998), AERONET-A federated instrument network and data archive for aerosol characterization, Remote Sens. Environ., 66, 1-16, doi:10.1016/S0034-4257(98)00031-5. (Pubitemid 29360424)
33. Kaaden, N., et al. (2009), State of mixing, shape factor, number size distribution, and hygroscopic growth of the Saharan anthropogenic and mineral dust aerosol at Tinfou, Morocco, Tellus, Ser. B, 61, 51-63, doi:10.1111/j.1600- 0889.2008.00388.x.
34. Kandler, K., et al. (2009), Size distribution, mass concentration, chemical and mineralogical composition and derived optical parameters of the boundary layer aerosol at Tinfou, Morocco, during SAMUM 2006, Tellus, Ser. B, 61, 32-50.
35. Kaufman, Y. J. (1993), Aerosol optical thickness and atmospheric path radiance, J. Geophys. Res., 98, 2677-2692, doi:10.1029/92JD02427. (Pubitemid 23380945)
36. Kim, D. H., B. J. Sohn, T. Nakajima, T. Takamura, T. Takemura, B. C. Choi, and S. C. Yoon (2004), Aerosol optical properties over east Asia determined from ground-based sky radiation measurements, J. Geophys. Res., 109, D02209, doi:10.1029/2003JD003387.
37. Knippertz, P., et al. (2009), Dust mobilization and transport in the northern Sahara during SAMUM 2006-A meteorological overview, Tellus, Ser. B, 61, 12-31.
38. Kim, D., M. Chin, H. Yu, T. F. Eck, A. Sinyuk, A. Smirnov, and B. N. Holben (2011), Dust optical properties over North Africa and Arabian Peninsula derived from the AERONET dataset, Atmos. Chem. Phys., 11, 10,733-10,741, doi:10.5194/acp-11-10733-2011.
39. Koren, I., E. Ganor, and J. H. Joseph (2001), On the relation between size and shape of desert dust aerosol, J. Geophys. Res., 106, 18,047-18,054, doi:10.1029/2000JD900558.
40. Kubilay, N., T. Cokacar, and T. Oguz (2003), Optical properties of mineral dust outbreaks over the northeastern Mediterranean, J. Geophys. Res., 108(D21), 4666, doi:10.1029/2003JD003798.
41. Liu, Z., et al. (2008), CALIPSO lidar observations of the optical properties of Saharan dust: A case study of long-range transport, J. Geophys. Res., 113, D07207, doi:10.1029/2007JD008878.
42. Lyamani, H., F. J. Olmo, and L. Alados-Arboledas (2005), Saharan dust outbreak over southeastern Spain as detected by Sun photometer, Atmos. Environ., 39, 7276-7284. (Pubitemid 41539449)
43. Lyamani, H., F. J. Olmo, A. Alcántara, and L. Alados-Arboledas (2006), Atmospheric aerosols during the 2003 heat wave in southeastern Spain II: Microphysical columnar properties and radiative forcing, Atmos. Environ., 40, 6465-6476, doi:10.1016/j.atmosenv.2006.04.047. (Pubitemid 44349076)
44. Lyamani, H., F. J. Olmo, and L. Alados-Arboledas (2010), Physical and optical properties of aerosols over an urban location in Spain: Seasonal and diurnal variability, Atmos. Chem. Phys., 10, 239-254, doi:10.5194/ acp-10-239-2010.
45. Mattis, I., V. Janenisch, D. Müller, K. Franke, and A. Ansmann (2000), Classification of particle extinction profiles derived within the framework of the German lidar network by the use of cluster analysis of back trajectories, in Lidar Remote Sensing of the Atmosphere, edited by A. Dabas, C. Loth, and J. Pelon, pp. 211-214, Ed. Ecole Polytech., Palaiseau, France.
46. Mishchenko, M. I., L. D. Travis, R. A. Kahn, and R. A. West (1997), Modeling phase functions for dustlike tropospheric aerosols using a shape mixture of randomly oriented polydisperse spheroids, J. Geophys. Res., 102, 16,831-16,847, doi:10.1029/96JD02110.
47. Mladenov, N., L. Alados-Arboledas, F. J. Olmo, H. Lyamani, A. Delgado, A. Molina, and I. Reche (2011), Applications of optical spectroscopy and stable isotope analyses to organic aerosol source discrimination in an urban area, Atmos. Environ., 45, 1960-1969, doi:10.1016/j. atmosenv.2011.01.029.
48. Müller, T., et al. (2009), Spectral absorption coefficients and imaginary parts of refractive indices of Saharan dust during SAMUM-1, Tellus, Ser. B, 61, 78-95.
49. Muñoz, O., H. Volten, J. F. de Haan, W. Vassen, and J. W. Hovenier (2001), Experimental determination of scattering matrices of randomly oriented fly ash and clay particles at 442 and 633 nm, J. Geophys. Res., 106, 22,833-22,844, doi:10.1029/2000JD000164.
50. Nakajima, T., G. Tonna, R. Z. Rao, P. Boi, Y. Kaufman, and B. Holben (1996), Use of sky brightness measurements from ground for remote sensing of particulate polydispersions, Appl. Opt., 35, 2672-2686, doi:10.1364/AO.35. 002672. (Pubitemid 126632580)
51. Olmo, F. J., A. Quirantes, A. Alcantara, H. Lyamani, and L. Alados-Arboledas (2006), Preliminary results of a non-spherical aerosol method for the retrieval of the atmospheric aerosol optical properties, J. Quant. Spectrosc. Radiat. Transfer, 100, 305-314, doi:10.1016/j. jqsrt.2005.11.047.
52. Olmo, F. J., A. Quirantes, V. Lara, H. Lyamani, and L. Alados-Arboledas (2008), Aerosol optical properties assessed by an inversion method using the solar principal plane for non-spherical particles, J. Quant. Spectrosc. Radiat. Transfer, 109, 1504-1516, doi:10.1016/j.jqsrt.2007.12.019.
53. Pace, G., A. di Sarra, D. Meloni, S. Piacentino, and P. Chamard (2006), Aerosol optical properties at Lampedusa (Central Mediterranean): 1.Influence of transport and identification of different aerosol types, Atmos. Chem. Phys., 6, 697-713, doi:10.5194/acp-6-697-2006.
54. Papayannis, A., et al. (2008), Systematic lidar observations of Saharan dust over Europe in the frame of EARLINET (2000-2002), J. Geophys. Res., 113, D10204, doi:10.1029/2007JD009028.
55. Pereira, S. N., F. Wagner, and A. M. Silva (2011), Seven years of measurements of aerosol scattering properties, near the surface, in the southwestern Iberia Peninsula, Atmos. Chem. Phys., 11, 17-29, doi:10.5194/acp-11-17-2011.
56. Perrone, M. R., and A. Bergamo (2011), Direct radiative forcing during Sahara dust intrusions at a site in the Central Mediterranean: Anthropogenic particle contribution, Atmos. Res., 101, 783-798, doi:10.1016/j. atmosres.2011.05.011.
57. Petzold, A., et al. (2009), Saharan dust absorption and refractive index from aircraft-based observations during SAMUM 2006, Tellus, Ser. B, 61, 118-130.
58. Pinker, R. T., H. Liu, S. R. Osborne, and C. Akoshile (2010), Radiative effects of aerosols in sub-Sahel Africa: Dust and biomass burning, J. Geophys. Res., 115, D15205, doi:10.1029/2009JD013335.
59. Prats, N., V. E. Cachorro, M. Sorribas, S. Mogo, A. Berjon, C. Toledano, A. M. De Frutos, J. de la Rosa, N. Laulainen, and B. A. de la Morena (2008), Columnar aerosol optical properties during "El Arenosillo 2004 summer campaign," Atmos. Environ., 42, 2643-2653, doi:10.1016/j. atmosenv.2007.07.041. (Pubitemid 351479218)
60. Prospero, J. M., and T. N. Carlson (1972), Vertical and aereal distribution of Saharan dust over the Western Ecuatorial North Atlantic Ocean, J. Geophys. Res., 77(27), 5255-5265, doi:10.1029/JC077i027p05255.
61. Prospero, J. M., P. Ginoux, O. Torres, S. E. Nicholson, and T. E. Gill (2002), Environmental characterization of global sources of atmospheric soil dust identified with the Nimbus 7 Total Ozone Mapping Spectrometer (TOMS) absorbing aerosol product, Rev. Geophys., 40(1), 1002, doi:10.1029/2000RG000095.
62. Querol, X., et al. (2004), Levels of particulate matter in rural, urban and industrial sites in Spain, Sci. Total Environ., 334-335, 359-376, doi:10.1016/j. scitotenv.2004.04.036. (Pubitemid 39420354)
63. Reagan, J. A., L. W. Thomason, B. M. Herman, and J. M. Palmer (1986), Assessment of atmospheric limitations on the determination of the solar spectral constant from ground-based spectroradiometer measurements, IEEE Trans. Geosci. Remote Sens., GE-24, 258-266, doi:10.1109/ TGRS.1986.289645.
64. Rodriguez, S., X. Querol, A. Alastuey, G. Kallos, and O. Kakaliagou (2001), Saharan dust contributions to PM10 and TSP levels in Southern and Eastern Spain, Atmos. Environ., 35, 2433-2447, doi:10.1016/ S1352-2310(00)00496- 9. (Pubitemid 32284920)
65. Rodriguez, S., A. Alastuey, S. Alonso-Perez, X. Querol, E. Cuevas, J. Abreu-Afonso, M. Viana, M. Pandolfi, and J. de la Rosa (2011), Transport of desert dust mixed with North African industrial pollutants in the subtropical Saharan Air Layer, Atmos. Chem. Phys. Discuss., 11, 8841-8892, doi:10.5194/acpd-11-8841-2011.
66. Rozwadowska, A., T. Zielinski, T. Petelski, and P. Sobolewski (2010), Cluster analysis of the impact of air back-trajectories on aerosol optical properties at Hornsund, Spitsbergen, Atmos. Chem. Phys., 10, 877-893, doi:10.5194/acp-10-877-2010.
67. Schladitz, A., T. Müller, N. Kaaden, A. Massling, K. Kandler, M. Ebert, S. Weinbruch, C. Deutscher, and A. Wiedensohler (2009), In situ measurements of optical properties at Tinfou (Morocco) during the Saharan Mineral Dust Experiment SAMUM 2006, Tellus, Ser. B, 61, 64-78.
68. Silva, A. M., M. L. Bugalho, M. J. Costa, W. Von Hoyningen-Huene, T. Schmidt, J. Heintzenberg, and S. Henning (2002), Aerosol optical properties from columnar data during the second Aerosol Characterization Experiment on the south coast of Portugal, J. Geophys. Res., 107 (D22), 4642, doi:10.1029/ 2002JD002196. (Pubitemid 43211907)
69. Sinyuk, A., et al. (2007), Simultaneous retrieval of aerosol and surface properties from a combination of AERONET and satellite data, Remote Sens. Environ., 107, 90-108, doi:10.1016/j.rse.2006.07.022. (Pubitemid 46241268)
70. Sokolik, I. N., and O. B. Toon (1999), Incorporation of mineralogical composition into models of the radiative properties of mineral aerosol from UV to IR wavelengths, J. Geophys. Res., 104, 9423-9444, doi:10.1029/ 1998JD200048. (Pubitemid 29370745)
71. Su, L., and O. B. Toon (2011), Saharan and Asian dust: Similarities and differences determined by CALIPSO, AERONET, and a coupled climateaerosol microphysical model, Atmos. Chem. Phys., 11, 3263-3280, doi:10.5194/acp-11-3263- 2011.
72. Sunnu, A., G. Afeti, and F. Resch (2008), A long-term experimental study of the Saharan dust presence in West Africa, Atmos. Res., 87, 13-26, doi:10.1016/j.atmosres.2007.07.004. (Pubitemid 350227173)
73. Tafuro, A. M., F. Barnaba, F. De Tomasi, M. R. Perrone, and G. P. Gobbi (2006), Saharan dust particle properties over the central Mediterranean, Atmos. Res., 81, 67-93, doi:10.1016/j.atmosres.2005.11.008. (Pubitemid 43905949)
74. Tegen, I., P. Hollrig, M. Chin, I. Fung, D. Jacob, and J. Penner (1997), Contribution of different aerosol species to the global aerosol extinction optical thickness: Estimates from model results, J. Geophys. Res., 102, 23,895-23,915, doi:10.1029/97JD01864.
75. Tesche, M., et al. (2009), Vertical profiling of Saharan dust with Raman lidars and airborne HSRL in southern Morocco during SAMUM, Tellus, Ser. B, 61, 144-164.
76. Toledano, C., V. E. Cachorro, A. Berjon, A. M. de Frutos, M. Sorribas, B. A. de la Morena, and P. Goloub (2007a), Aerosol optical depth and Angstrom exponent climatology at El Arenosillo AERONET site (Huelva, Spain), J. Quant. Spectrosc. Radiat. Transfer, 133, 795-807. (Pubitemid 46882070)
77. Toledano, C., V. E. Cachorro, A. M. de Frutos, M. Sorribas, N. Prats, and B. A. de la Morena (2007b), Inventory of African desert dust events over the southwestern Iberian Peninsula in 2000-2005 with an AERONET Cimel Sun photometer, J. Geophys. Res., 112, D21201, doi:10.1029/ 2006JD008307.
78. Toledano, C., V. E. Cachorro, A. M. de Frutos, B. Torres, A. Berjon, M. Sorribas, and R. S. Stone (2009), Airmass classification and analysis of aerosol types at El Arenosillo (Spain), J. Appl. Meteorol. Climatol., 48, 962-981, doi:10.1175/2008JAMC2006.1.
79. Toledano, C., et al. (2011), Optical properties of aerosol mixtures derived from sun-sky radiometry during SAMUM-2, Tellus, 63B, 635-648.
80. Valenzuela, A., F. J. Olmo, H. Lyamani, A. Quirantes, and L. Alados-Arboledas (2011), Aerosol radiative properties retrieved during Saharan dust events in Southeastern Spain from 2005 to 2008, Optica Pura y Aplicada, 44(4), 661-664.
81. Valenzuela, A., F. J. Olmo, H. Lyamani, M. Antón, A. Quirantes, and L. Alados-Arboledas (2012), Analysis of the desert dust radiative properties over Granada using principal plane sky radiances and spheroids retrieval procedure, Atmos. Res., 104-105, 292-301, doi:10.1016/j. atmosres.2011.11.005.
82. von Hoyningen-Huene, W., and P. Posse (1997), Nonsphericity of aerosol particles and their contribution to radiative forcing, J. Quant. Spectrosc. Radiat. Transfer, 57(5), 651-668, doi:10.1016/S0022-4073(96)00153-7. (Pubitemid 127417866)
83. von Hoyningen-Huene, W., K. Wenzel, and S. Schienbein (1999), Radiative properties of desert dust and its effect on radiative balance, J. Aerosol Sci., 30, 489-502, doi:10.1016/S0021-8502(98)00074-3. (Pubitemid 29074234)
84. Wagner, F., et al. (2009), Properties of dust aerosol particles transported to Portugal from the Sahara desert, Tellus, Ser. B, 61, 297-306.