Acknowledgements
The Scientific colour maps batlow [O3] and lajolla [SO2, Aerosol Index] (Crameri 2018) are used on this site to prevent visual distortion of the data and exclusion of readers with colour-vision deficiencies (Crameri et al., 2020) starting December 20, 2022.
The software : Crameri, F. (2018a), Scientific colour maps. Zenodo. http://doi.org/10.5281/zenodo.1243862
The research : Crameri, F., G.E. Shephard, and P.J. Heron (2020), The misuse of colour in science communication, Nature Communications, 11, 5444. doi: 10.1038/s41467-020-19160-7
Frequently asked questions
What time period is covered with the SAMPO data?
OMI data is available since 01.04.2011 (daily composites) and from 11.1.2014 (individual overpasses), OMPS-NPP since 18.03.2014, OMPS-NOAA20 and VIIRS since 06.07.2022
What does 'direct readout' mean?
The instruments measure the atmosphere and simultaneously send the data down to Earth for processing. SAMPO provides this data about 15 min after the satellite overpasses the FMI's Satellite Data Center at Sodankyla, Northern Finland. Since November 2015 the OMPS data is also provided from Alaska.
What is a composite image?
Images for each day are stacked so that the newest image is always on top (they might partly overlap each other).
Can I use SAMPO images?
Yes, for uncommercial purposes.
About SAMPO
These pages provide direct readout satellite data of the Northern Hemisphere atmosphere. The measurements are from the OMI and OMPS instruments, published about 15 min after overpasses of the EOS-Aura and Suomi-NPP satellites. The OMI data are received at Sodankylä, Finland, and the OMPS data at Sodankylä and Fairbanks, Alaska.
