Product information

Variable(s)	aerosol_absorption_coefficient, temperature
Product type	Observation
Instrument type(s)	Filter Absorption Photometer
Timeliness	Scheduled
Start time	1 January 2018
Stop time	1 January 2025
Framework	ACTRIS, GAW-WDCA, NOAA-ESRL
Instrument model(s)	NOAA/ESRL/GMD/CLAP-10 NOAA/GML/CLAP-3W

Facility information

Facility name	Hyytiälä (FI0050R)
Facility type	Observation platform, fixed
Coordinates	61.85°N, 24.283333°E
Altitude	181.0 m

File information

PID	https://doi.org/10.48597/FTR2-4ZS7
Filename	FTR2-4ZS7.nc
Format(s)	HDF5 (NetCDF4)
Filesize	11.8 MB
Version	v3
Last modified	21 May 2026 21:07:56
Data Access	OPENDAP DAP4 HTTPServer
Metadata access	NCML UDDC ISO

Provenance (to be completed)

Software	ebas-io
Version history	Concept DOI

Citation & acknowledgements

Licence	CC BY 4.0
Citation string	Kulmala, M., Petaja, T., Virkkula, A., Luoma, K., Petäjä, T., Elomaa, T. ACTRIS, GAW-WDCA, NOAA-ESRL, 2018-2025, Aerosol_absorption_coefficient at Hyytiälä, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/FTR2-4ZS7

Please include the following information in your publication. You may edit the text to suit publication standards.

Acknowledgements	Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS, GAW-WDCA, NOAA-ESRL

Originator(s)

Markku, Kulmala
Tuukka, Petaja	University of Helsinki
Aki, Virkkula	University of Helsinki
Krista, Luoma	University of Helsinki
Tuukka, Petäjä	University of Helsinki
Tapio, Elomaa	University of Helsinki

Principal investigator(s)

Markku, Kulmala
Tuukka, Petaja	University of Helsinki
Aki, Virkkula	University of Helsinki
Krista, Luoma	University of Helsinki
Tuukka, Petäjä	University of Helsinki
Tapio, Elomaa	University of Helsinki