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Aerosol DRE over clouds from satellites

 
   
 
European Space Agency

 
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The aerosol Direct Radiative Effect (DRE) indicates the absorption of UV radiation by aerosols that are found over clouds. The aerosol DRE presented here are derived over a limited area off the west coast of Africa only, and the aerosols found above the clouds are smoke exclusively. The DRE is expressed in Watts per square meter (W m-2) based on the Differential Aerosol Absorption (DAA) technique, and derived from the instruments SCIAMACHY and OMI (combined with MODIS). Below the data products that are currently availble from these insturments are linked.

Archive (images and data)

The OMI/MODIS aerosol DRE over clouds is available from June-September in the years 2006-2009 and 20016, in an area over the south-east Atlantic (20°W-10°E, 20°S-10°N)

The SCIAMACHY aerosol DRE over clouds is available from June-September in the years 2006-2009, in an area over the south-east Atlantic (20°W-10°E, 20°S-10°N)
 
 
OMI / MODIS : South Atlantic version 1.0 (JJAS 2006-2009, 2016,2017):
individual days  |  monthly mean  |  explanation
SCIAMACHY:  South Atlantic version 1.0 (JJAS 2006-2009):
individual days  |  monthly mean  |  explanation
 
 

Data use / Citation


The data are not copyrighted and are open to all for both commercial and non-commercial uses. If you used TEMIS Aerodol DRE data for a publication (research or otherwise), or for any other purpose, please refer to the following publication:

For OMI data:

M. de Graaf, L.G. Tilstra, and P. Stammes, Aerosol direct radiative effect over clouds from a synergy of OMI and MODIS reflectances, Atmos. Meas. Techn., https://doi.org/10.5194/amt-2019-53, 2019. doi:/10.5194/amt-2019-53, 2019.
For SCIAMACHY:
M. de Graaf, L.G. Tilstra, P. Wang and P. Stammes, Retrieval of the aerosol direct radiative effect over clouds from space-borne spectrometry, J. Geophys. Res. 117 (D7), D07207, doi: 10.1029/2011JD017160, 2012.
We request that you include the following acknowledgment: "We acknowledge the free use of aerosol DRE data from the (OMI/SCIAMACHY) sensor from www.temis.nl." We would appreciate receiving a copy of your publication, by contacting us via the contact form.

Acknowledgement

The development of Aerosol Direct Radiative Effect (DRE) over clouds data sets have been funded by the Dutch National Programme for Space Research of the Netherlands Space Office (NSO), projectnumber ALW-GO/12-32 and the European Space Agency (ESA) within the Support to Science Element, project 22403.