Study of Aerosols’ Characteristics and Dynamics over the Kingdom of Saudi Arabia Using a Multisensor Approach Combined with Ground Observations

Table 1

Annual AOD means for Terra and Aqua over regions 1–3 and for Aqua Deep Blue over region 4 (desert).

Year	Annual mean of Terra AOD			Annual mean of Aqua AOD			Aqua Deep Blue AOD
	Regions			Regions			Regions
	1	2	3	1	2	3	4
2003	0.24 ± 0.02	0.47 ± 0.05	0.56 ± 0.11	0.21 ± 0.02	0.42 ± 0.04	0.47 ± 0.07	0.29 ± 0.04
2004	0.23 ± 0.02	0.35 ± 0.02	0.40 ± 0.04	0.20 ± 0.02	0.33 ± 0.02	0.38 ± 0.03	0.20 ± 0.02
2005	0.24 ± 0.02	0.40 ± 0.07	0.43 ± 0.04	0.22 ± 0.01	0.35 ± 0.03	0.37 ± 0.03	0.24 ± 0.03
2006	0.24 ± 0.01	0.36 ± 0.03	0.41 ± 0.03	0.22 ± 0.02	0.35 ± 0.03	0.40 ± 0.03	0.28 ± 0.04
2007	0.26 ± 0.03	0.38 ± 0.03	0.51 ± 0.06	0.20 ± 0.02	0.38 ± 0.02	0.44 ± 0.04	0.27 ± 0.03
2008	0.25 ± 0.02	0.41 ± 0.04	0.66 ± 0.10	0.20 ± 0.02	0.44 ± 0.05	0.63 ± 0.11	0.32 ± 0.06
2009	0.24 ± 0.02	0.38 ± 0.03	0.65 ± 0.10	0.19 ± 0.01	0.38 ± 0.03	0.71 ± 0.12	0.26 ± 0.04
2010	0.29 ± 0.02	0.39 ± 0.05	0.48 ± 0.05	0.27 ± 0.02	0.42 ± 0.06	0.48 ± 0.05	0.24 ± 0.03
2011	0.22 ± 0.01	0.40 ± 0.04	0.53 ± 0.07	0.20 ± 0.02	0.44 ± 0.06	0.50 ± 0.07	0.31 ± 0.05
2012	0.27 ± 0.04	0.40 ± 0.04	0.52 ± 0.07	0.24 ± 0.03	0.44 ± 0.05	0.50 ± 0.06	0.33 ± 0.05