Articles | Volume 11, issue 7
https://doi.org/10.5194/amt-11-4073-2018
https://doi.org/10.5194/amt-11-4073-2018
Research article
 | 
13 Jul 2018
Research article |  | 13 Jul 2018

Exploring systematic offsets between aerosol products from the two MODIS sensors

Robert C. Levy, Shana Mattoo, Virginia Sawyer, Yingxi Shi, Peter R. Colarco, Alexei I. Lyapustin, Yujie Wang, and Lorraine A. Remer

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Latest update: 27 Mar 2024
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Short summary
Global aerosol data sets are essential for assessing climate-related questions. When comparing data sets derived from twin satellite sensors, we find consistent global offsets between morning and afternoon observations. Applying satellite-like sampling to a global model derives much weaker morning/afternoon offsets, suggesting that the observational differences are due to calibration. However, applying additional calibration corrections appears to reduce (but not remove) the global offsets.