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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).

TRANS2AM: King Air QC-TILDAS Gas Phase HNO3 2021 Phase Data

Summary

QC-TILDAS gas-phase nitric acid (HNO3) measurements collected aboard the University of Wyoming King Air aircraft during Phase 1 (July and August 2021) of the TRANS2AM campaign. The base of operations was the Laramie Airport (KLAR) in Laramie, Wyoming with most flights over northeastern Colorado.

Archive note

Data from 2022 phase are available in the companion dataset below.

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/C680-Z0QB-XY05
Data Quality	final
Versions	1.0 (2022-04-07)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	TRANS2AM: Transport and Transformation of Ammonia
Frequency	1 second
Language	English
Categories	Aircraft Chemistry
Platforms	University of Wyoming King Air
Instruments	QC-TILDAS - Quantum Cascade Tunable Infrared Differential Absorption Spectrometer
GCMD Science Keywords	ATMOSPHERIC NITRIC ACID Expand keywords
Documentation	README_TRANS2AM_UWKA_HNO3.pdf [35 KiB]
Related links	companion: 606.022: King Air QC-TILDAS Gas Phase HNO3 2022 Phase Data info: TRANS2AM Data Policy homepage: TRANS2AM EOL website info: TRANS2AM Missions

Temporal coverage

Begin datetime	2021-07-27 00:00:00
End datetime	2021-08-24 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 42.00, Minimum (South) Latitude: 40.00
Minimum (West) Longitude: -106.00, Maximum (East) Longitude: -103.00

Primary point of contact information

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

Additional contact information

author: Ilana B. Pollack <ilana.pollack@colostate.edu>
author: Julieta Juncosa Calahorrano <jjuncosa@rams.colostate.edu>
author: J. Robert Roscioli <roscioli@aerodyne.com>
author: Emily V. Fischer <evf@atmos.colostate.edu>
principalInvestigator: Emily V. Fischer <evf@atmos.colostate.edu>
principalInvestigator: Ilana B. Pollack <ilana.pollack@colostate.edu>

Citation

Pollack, I., et al. 2022. TRANS2AM: King Air QC-TILDAS Gas Phase HNO3 2021 Phase Data. Version 1.0. null. https://doi.org/10.26023/C680-Z0QB-XY05. Accessed 17 Feb 2026.

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