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Data access is temporarily unavailable due to unexpected downtime. Access is expected to be restored Tuesday, Feb 17 (no order links are currently displayed).

SLC-SOS_Mobile: Cavity Attenuated Phase Shift (CAPS NOx)

Summary

The Aerodyne dual-channel NOx CAPS instrument measures ambient nitrogen oxides (NOx) and nitrogen dioxide (NO2). NO and NO2 measurements are reported at 1 Hz in ICARTT Format. CAPS was deployed on the Wyoming Sprinter Mobile Laboratory (WySP) in Salt Lake City, UT.

Archive note

Missing data for Drive 2 to Emigration Canyon (08/02/2024) because CAPS NOx-NO2 ozone lamp inside the instrument was broken.

Data access

Data access is temporarily unavailable due to unexpected downtime. Access is expected to be restored Tuesday, Feb 17

Additional information

Identifier	DOI: https://doi.org/10.26023/E824-CG7G-4P0E
Data Quality	final
Versions	1.0 (2025-04-04)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	SLC-SOS_Mobile: Salt Lake City - Summer Ozone Study
Spatial Type	point
Frequency	1 second
Language	English
Grant Code	NSF Award Number: 2315083
Categories	Surface
Platforms	Vehicles
Instruments	CAPS - Cavity Attenuated Phase-Shift Spectrometers Spectrometers
GCMD Science Keywords	NITRIC OXIDE NITROGEN DIOXIDE NITROGEN OXIDES NITROGEN OXIDES Expand keywords
Documentation	CAPS-N0x_CSU_README.pdf [49 KiB] CAPS_NOx-NO2.pdf [717 KiB]
Related links	companion: 644.003: Wyoming Sprinter Mobile Laboratory (WySP) Position and State Variables info: SLC-SOS Data Policy homepage: SLC-SOS EOL Homepage info: SLC-SOS Mobile Missions

Temporal coverage

Begin datetime	2024-07-29 00:00:00
End datetime	2024-08-28 21:55:00

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 41.40, Minimum (South) Latitude: 40.50
Minimum (West) Longitude: -112.50, Maximum (East) Longitude: -105.80

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

principalInvestigator: Emily V. Fischer <evf@atmos.colostate.edu>
author: Emily V. Fischer <evf@atmos.colostate.edu>
author: Daniela Guevara <Daniela.Guevara@colostate.edu>
author: Brandon McGuire <brandon.mcguire@colostate.edu>

Citation

Guevara, D., Fischer, E., McGuire, B. 2025. SLC-SOS_Mobile: Cavity Attenuated Phase Shift. Version 1.0. null. https://doi.org/10.26023/E824-CG7G-4P0E. Accessed 15 Feb 2026.

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