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changes.mady.by.user Michela Giusti

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Issue typeDescriptionCycleNote
High SO2 values over north-eastern Brazil

High SO2 values over north-eastern Brazil on 18 January 2020 and 16 June 2020 at 06:00:00 are artificial and are due to the assimilation of some spurious satellite observations of SO2 in one of the datasets used by CAMS. 

47r1
BC concentrations in the mid/upper troposphere tend to be too high

Some of the low background BC concentrations in the mid/upper troposphere tend to be too high as an artefact of the data assimilation as it improves the total AOD. (They're still very low compared to polluted areas, but can be somewhat higher than they should.) This aspect of the impact of data assimilation on aerosol speciation is something that we're continuing to look into. (The accompanying "control run", a model-only product with no AOD assimilation, can often has a more realistic speciation and vertical profile in this regard, but at the cost of a poorer agreement with observations of total AOD.)

47r1 or 46r1

Dust emissions are too high in cycle 46r1

See details here: Dust emissions are too high in Cycle 46r146r1

AOD and PM data are zero at forecast step 0

Aerosol optical depth (AOD) and particulate matter (PM10, PM2.5) at forecast step 0: all values are zero41r1 and 43r1



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How to cite the data

All users of data uploaded on the Atmosphere Data Store (ADS) must provide clear and visible attribution to the dataset provider and the Copernicus programme. Please make sure that (1) you acknowledge according to the dataset licence, (2) you indicate that you have downloaded the dataset from the ADS, and (3) you provide a citation of the dataset.


  1. Please acknowledge the use of the CAMS as stated in the Licence to Use Copernicus Products:

    false

    • "Where the Licensee communicates to the public or distributes or publishes CAMS Information, the Licensee shall inform the recipients of the source of that information by using the following or any similar notice:

      'Generated using Copernicus Atmosphere Monitoring Service Information [Year]'

    • Where the Licensee makes or contributes to a publication or distribution containing adapted or modified CAMS Information, the Licensee shall provide the following or any similar notice:

      'Contains modified Copernicus Atmosphere Monitoring Service Information [Year]';

    Any such publication or distribution shall state that "neither the European Commission nor ECMWF is responsible for any use that may be made of the information it contains."


  2. Indicate where data was downloaded from:

    false

    <authors> (year of publication) data downloaded from the Copernicus Atmosphere Monitoring Service (ADS) Atmosphere Data Store (ADS) (doi or url)


  3. Cite each dataset version (as applicable): 
false

check with Johannes. Format is:

Surname, initial., Surname, Initial. (Year of publication): <title as shown in ADS>, <version number if applicable>, Copernicus Atmosphere Monitoring Service (CAMS) Atmosphere Data Store (CDS). (<date of access>), xxx.


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