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A decadal regional and global trend analysis of the aerosol optical depth using a data-assimilation grade over-water MODIS and Level 2 MISR aerosol products

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Fig. 1. (a) Yearly mean aerosol optical depth (AOD) plot using the operational over-water Terra MODIS aerosol product for year 2007; (b) Similar to (a) except using the DA quality over-water Terra MODIS aerosol product.
Figure 2a represents the monthly averaged NASA opera- opera-tional Terra MODIS (collection 5, red), DA grade Terra MODIS (blue), and operational MISR (green) aerosol  opti-cal depth values over global oceans from March 2000 to  De-cember 2009
Fig. 3. (a) Boxcar analysis (2003-2009) for the monthly mean Terra MISR, Terra MODIS (operational), Aqua MODIS (operational), the DA quality Terra MODIS, and the DA quality Aqua MODIS over water aerosol products for global oceans
Fig. 5. (a) Similar to Fig. 2a but for the ten-year AOD trend analysis over remote oceans (RO, 0 ◦ –40 ◦ S, 180 ◦ W–140 ◦ W)  us-ing the Terra MODIS (operational, dark red), Terra-MISR (green), Aqua MODIS (operational, light red), the DA quality Terra MODI
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