TABLE 2.
The coefficient of correlation between AODMODIS and AODANet at 550 nm, Bondville, IL (2000–2007)
| Spatial resolution |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 km |
5 km |
10 km |
||||||||||
| Time difference between Aeronet AOD and MODIS AOD recording (min) |
||||||||||||
| Distance (deg) | 15 | 30 | 60 | 120 | 15 | 30 | 60 | 120 | 15 | 30 | 60 | 120 |
| 0.025 | 0.918 | 0.913 | 0.910 | 0.882 | 0.910 | 0.892 | 0.874 | 0.851 | 0.771 | 0.761 | 0.731 | 0.741 |
| (179) | (341) | (672) | (1265) | (94) | (177) | (324) | (604) | (53) | (110) | (210) | (380) | |
| 0.050 | 0.884 | 0.891 | 0.890 | 0.858 | 0.907 | 0.899 | 0.890 | 0.868 | 0.860 | 0.855 | 0.851 | 0.837 |
| (456) | (882) | (1724) | (3220) | (338) | (672) | (1299) | (2399) | (207) | (433) | (857) | (1590) | |
| 0.075 | 0.867 | 0.877 | 0.877 | 0.847 | 0.889 | 0.889 | 0.884 | 0.863 | 0.878 | 0.872 | 0.863 | 0.839 |
| (793) | (1534) | (2992) | (5588) | (642) | (1289) | (2509) | (4627) | (436) | (898) | (1791) | (3340) | |
| 0.100 | 0.859 | 0.871 | 0.870 | 0.845 | 0.879 | 0.881 | 0.875 | 0.855 | 0.864 | 0.865 | 0.855 | 0.834 |
| (1171) | (2278) | (4449) | (8299) | (1003) | (2009) | (3931) | (7277) | (780) | (1596) | (3165) | (5882) | |
| 0.125 | 0.858 | 0.869 | 0.869 | 0.844 | 0.881 | 0.883 | 0.877 | 0.859 | 0.863 | 0.867 | 0.862 | 0.840 |
| (1571) | (3070) | (6009) | (11,231) | (1429) | (2859) | (5603) | (10,376) | (1166) | (2372) | (4681) | (8674) | |
| 0.150 | 0.852 | 0.869 | 0.868 | 0.840 | 0.885 | 0.888 | 0.881 | 0.861 | 0.865 | 0.870 | 0.863 | 0.842 |
| (1748) | (3424) | (6710) | (12,531) | (1673) | (3351) | (6577) | (12,148) | (1402) | (2864) | (5658) | (10,469) | |
| 0.175 | 0.854 | 0.866 | 0.867 | 0.843 | 0.884 | 0.887 | 0.880 | 0.860 | 0.866 | 0.870 | 0.867 | 0.848 |
| (2017) | (3949) | (7739) | (14,484) | (1963) | (3943) | (7741) | (14,338) | (1744) | (3538) | (6964) | (12,919) | |
| 0.200 | 0.857 | 0.866 | 0.866 | 0.842 | 0.882 | 0.885 | 0.879 | 0.860 | 0.869 | 0.874 | 0.869 | 0.849 |
| (2199) | (4308) | (8441) | (15,822) | (2241) | (4508) | (8872) | (16,448) | (2052) | (4170) | (8222) | (15,237) | |
| 0.225 | 0.854 | 0.866 | 0.867 | 0.844 | 0.884 | 0.888 | 0.881 | 0.864 | 0.870 | 0.875 | 0.870 | 0.852 |
| (2449) | (4807) | (9429) | (17,680) | (2524) | (5094) | (10,026) | (18,589) | (2355) | (4784) | (9448) | (17,571) | |
| 0.250 | 0.854 | 0.866 | 0.868 | 0.847 | 0.885 | 0.889 | 0.882 | 0.864 | 0.872 | 0.875 | 0.871 | 0.854 |
| (2872) | (5646) | (11,077) | (20,779) | (2988) | (6040) | (11,903) | (22,079) | (2873) | (5844) | (11,539) | (21,456) | |
| 0.275 | 0.854 | 0.866 | 0.869 | 0.848 | 0.883 | 0.888 | 0.882 | 0.863 | 0.868 | 0.874 | 0.870 | 0.853 |
| (3303) | (6504) | (12,766) | (23,977) | (3490) | (7063) | (13,925) | (25,849) | (3418) | (6957) | (13,763) | (25,618) | |
| 0.300 | 0.851 | 0.864 | 0.867 | 0.845 | 0.883 | 0.889 | 0.881 | 0.864 | 0.866 | 0.873 | 0.870 | 0.853 |
| (3491) | (6872) | (13,479) | (25,303) | (3738) | (7571) | (14,960) | (27,795) | (3715) | (7566) | (14,996) | (27,919) | |
| 0.325 | 0.852 | 0.865 | 0.868 | 0.847 | 0.882 | 0.888 | 0.881 | 0.863 | 0.867 | 0.874 | 0.870 | 0.855 |
| (3747) | (7388) | (14,506) | (27,273) | (4091) | (8280) | (16,346) | (30,382) | (4071) | (8292) | (16,431) | (30,647) | |
| 0.350 | 0.851 | 0.865 | 0.868 | 0.848 | 0.881 | 0.888 | 0.881 | 0.864 | 0.864 | 0.872 | 0.869 | 0.855 |
| (4176) | (8242) | (16,195) | (30,497) | (4646) | (9402) | (18,577) | (34,578) | (4624) | (9430) | (18,725) | (34,946) | |
| 0.375 | 0.851 | 0.865 | 0.869 | 0.849 | 0.880 | 0.888 | 0.881 | 0.863 | 0.863 | 0.872 | 0.867 | 0.852 |
| (4619) | (9124) | (17,943) | (33,829) | (5197) | (10,534) | (20,830) | (38,787) | (5226) | (10,669) | (21,178) | (39,515) | |
| 0.400 | 0.850 | 0.865 | 0.869 | 0.849 | 0.879 | 0.887 | 0.880 | 0.862 | 0.863 | 0.872 | 0.867 | 0.851 |
| (5069) | (10,019) | (19,708) | (37,209) | (5793) | (11,746) | (23,240) | (43,315) | (5848) | (11,941) | (23,706) | (44,246) | |
| 0.425 | 0.850 | 0.865 | 0.869 | 0.849 | 0.879 | 0.887 | 0.880 | 0.863 | 0.862 | 0.871 | 0.866 | 0.852 |
| (5249) | (10,365) | (20,394) | (38,503) | (6109) | (12,392) | (24,513) | (45,713) | (6191) | (12,627) | (25,085) | (46,876) | |
| 0.450 | 0.849 | 0.864 | 0.868 | 0.848 | 0.878 | 0.886 | 0.879 | 0.862 | 0.861 | 0.871 | 0.866 | 0.851 |
| (5547) | (10,970) | (21,575) | (40,789) | (6474) | (13,146) | (26,011) | (48,532) | (6582) | (13,445) | (26,706) | (49,910) | |
| 0.475 | 0.847 | 0.863 | 0.867 | 0.848 | 0.877 | 0.886 | 0.879 | 0.862 | 0.860 | 0.871 | 0.866 | 0.852 |
| (6023) | (11,922) | (23,443) | (44,387) | (7102) | (14,429) | (28,566) | (53,347) | (7247) | (14,815) | (29,439) | (55,055) | |
| 0.500 | 0.844 | 0.860 | 0.866 | 0.846 | 0.877 | 0.886 | 0.878 | 0.863 | 0.860 | 0.871 | 0.865 | 0.851 |
| (6215) | (12,301) | (24,197) | (45,817) | (7436) | (15,120) | (29,933) | (55,878) | (7661) | (15,651) | (31,117) | (58,234) | |
| 0.525 | 0.846 | 0.862 | 0.867 | 0.848 | 0.875 | 0.884 | 0.878 | 0.862 | 0.860 | 0.871 | 0.866 | 0.852 |
| (6515) | (12,906) | (25,383) | (48,131) | (7818) | (15,906) | (31,504) | (58,913) | (8038) | (16,439) | (32,684) | (61,192) | |
| 0.550 | 0.845 | 0.862 | 0.867 | 0.848 | 0.876 | 0.885 | 0.879 | 0.863 | 0.858 | 0.869 | 0.864 | 0.849 |
| (6705) | (13,277) | (26,127) | (49,567) | (8164) | (16,641) | (32,986) | (61,706) | (8426) | (17,242) | (34,318) | (64,262) | |
| 0.575 | 0.843 | 0.860 | 0.866 | 0.847 | 0.874 | 0.883 | 0.877 | 0.861 | 0.858 | 0.870 | 0.865 | 0.851 |
| (7013) | (13,910) | (27,363) | (51,963) | (8561) | (17,430) | (34,546) | (64,669) | (8868) | (18,146) | (36,106) | (67,656) | |
| 0.600 | 0.840 | 0.859 | 0.864 | 0.846 | 0.871 | 0.881 | 0.876 | 0.860 | 0.856 | 0.868 | 0.864 | 0.851 |
| (7513) | (14,915) | (29,355) | (55,803) | (9286) | (18,921) | (37,530) | (70,313) | (9654) | (19,746) | (39,296) | (73,661) | |