Sun-Induced Fluorescence

Emissions

      - NO_x emissions
      - NH₃ emissions
      - CH₄ emissions
      - SO₂ emissions

Ozone layer

      - Total column
      - Assimilated ozone
      - Ozone hole
      - Ozone profiles

UV radiation

      - UV index
      - UV dose

Short-lived Climate Forcers

      - NO₂
      - CH₂O
      - Aerosol index
      - ADRE

Volcanic plumes

- SO₂ & AAI

Auxiliary data

      - Cloud info
      - Albedo climatologies
      - SIF

Contact

page last modified:
25 March 2026

Global mean SIF from 2007-2016 measured by GOME-2 on MetOp-A

Data archive

SIFTER v3

GOME-2A:
(2007-2017) individual days | monthly mean

GOME-2B:
(2013-2023) individual days | monthly mean

SIFTER v2

GOME-2A:
(2007-2018) individual days | monthly mean

SIFTER v1

GOME-2A:
(2007-2018) individual days | monthly mean

GOME-2B:
(2013-2018) individual days | monthly mean

Data use and citation

SIFTER datasets are linked to a Digital Object Identifier (DOI) to allow for direct referencing; see also the Acknowledgement below.

GOME-2A SIFTER v3 (2007-2017) [Data set]

Anema, J. C. S., Boersma, K. F., Tilstra, L. G., and Tuinder, O. N. E. (2025).
SIFTER solar-induced vegetation fluorescence data from GOME-2A (Version 3.0) [Data set].
Royal Netherlands Meteorological Institute (KNMI).
https://doi.org/10.21944/gome2a-sifter-v3-solar-induced-fluorescence

GOME-2B SIFTER v3 (2013-2023) [Data set]

Anema, J. C. S., Boersma, K. F., Tilstra, L. G., and Tuinder, O. N. E. (2025).
SIFTER solar-induced vegetation fluorescence data from GOME-2B (Version 3.0) [Data set].
Royal Netherlands Meteorological Institute (KNMI).
https://doi.org/10.21944/gome2b-sifter-v3-solar-induced-fluorescence

GOME-2A SIFTER v2 (2007-2018) [Data set]

Kooreman, M. L., Boersma, K. F., van Schaik, E., van Versendaal, R., Cacciari, A., and Tuinder, O. N. E. (2020).
SIFTER sun-induced vegetation fluorescence data from GOME-2A (Version 2.0) [Data set].
Royal Netherlands Meteorological Institute (KNMI).
https://doi.org/10.21944/gome2a-sifter-v2-sun-induced-fluorescence

Documentation

Scientific publications on the algorithm principles:
- SIFTER v3:
  Anema, J. C. S., Boersma, K. F., Tilstra, L. G., Tuinder, O. N. E., and Verstraeten, W. W.:
  Improved consistency in solar-induced fluorescence retrievals from GOME-2A with the SIFTER v3 algorithm,
  Atmos. Meas. Tech. 18, 1961-1979, 2025
  https://doi.org/10.5194/amt-18-1961-2025
- SIFTER v2:
  van Schaik, E., Kooreman, M. L., Stammes, P., Tilstra, L. G., Tuinder, O. N. E., Sanders, A. F. J., Verstraeten, W. W., Lang, R., Cacciari, A., Joiner, J., Peters, W., and Boersma, K. F.:
  Improved SIFTER v2 algorithm for long-term GOME-2A satellite retrievals of fluorescence with a correction for instrument degradation,
  Atmos. Meas. Tech., 13, 4295-4315, 2020
  https://doi.org/10.5194/amt-13-4295-2020
- SIFTER v1:
  Sanders, A.F.J., Verstraeten, W.W., Kooreman, M.L., van Leth, T.C., Beringer, J., and Joiner, J.:
  Spaceborne Sun-Induced Vegetation Fluorescence Time Series from 2007 to 2015 Evaluated with Australian Flux Tower Measurements,
  Remote Sens. 8(11), 895, 2016
  https://doi.org/10.3390/rs8110895
Algorithm Theoretical Basis Document (15 Nov. 2019)

Acknowledgement

If you use a SIFTER Sun-Induced Fluorescence dataset for a publication (research or otherwise), please refer to the publication by citing the data set DOI as listed above and/or include the following acknowledgment:

"We acknowledge the free use of SIFTER Sun-Induced Fluorescence data from the (GOME-2) sensor from www.temis.nl."

We would appreciate receiving a copy of your publication, by contacting us via the contact form.

The GOME-2 SIF data are provided by KNMI in the framework of the EUMETSAT Satellite Application Facility on Atmospheric Composition Monitoring (AC SAF).