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Data beyond 2013 and the quality of MODIS-Aqua data in 2014

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The version 2 dataset release extends the time series to the end of 2013 using just MODIS-Aqua from the end of MERIS onwards. However, the project has decided to omit the 2014 MODIS-Aqua data because of concerns over its quality, and hence ability to consider it within a climate quality dataset.

A recently presented figure (Bryan Franz, NASA) shows a sharp decline in the Chlorophyll-a values related to 2014 radiometry shifting (up in blue, down in green). The aim is for NASA to undertake a MODIS reprocessing, which would aim to correct for the decay, and so the OC-CCI project has decided to wait for that to occur.