Product information

Variable(s)	pm10_mass, pm25_mass
Product type	Observation
Instrument type(s)	Optical Particle Size Spectrometer
Timeliness	Scheduled
Start time	18 January 2020
Stop time	1 January 2024
Framework	Independent
Instrument model(s)	GRIMM/180

Facility information

Facility name	Longmont Union Reservoir (US0107R)
Facility type	Observation platform, fixed
Coordinates	40.1762°N, -105.0477°W
Altitude	1514.0 m

File information

PID	https://doi.org/10.48597/5F3X-23EM
Filename	5F3X-23EM.nc
Format(s)	HDF5 (NetCDF4)
Filesize	2.5 MB
Version	v4
Last modified	25 August 2026 14:50:36
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	Helmig, D. Independent, 2020-2024, PM mass at Longmont Union Reservoir, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/5F3X-23EM

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: Independent

Originator(s)

Detlev, Helmig	Boulder Atmosphere Innovation Research LLC

Principal investigator(s)

Detlev, Helmig	Boulder Atmosphere Innovation Research LLC