edu.ucar.gdex::d789253 eng; USA utf-8 dataset NSF NCAR Geoscience Data Exchange datahelp@ucar.edu https://gdex.ucar.edu NSF NCAR Geoscience Data Exchange The Geoscience Data Exchange (GDEX), managed by the Computational and Information Systems Laboratory (CISL) at NSF NCAR, contains a large collection of meteorological, atmospheric composition, and oceanographic observations, and operational and reanalysis model outputs, integrated with NSF NCAR High Performance Compute services to support atmospheric and geosciences research. download pointOfContact 2025-07-21T14:28:52Z ISO 19115 Geographic Information - Metadata ISO19115:2003/Cor 1 2006 https://doi.org/10.5065/9rb1-pn14 https://doi.org/10.5065/9rb1-pn14 https Related Resource #1 Icarus Dataset at UC-Davis ICARUS Chamber Experiment: Nguyen Group_20210204_2-methylbut-3-ene-1,2-diol/Methyl nitrite_Hydroxyl radical_Ammonium sulfate d789253 2023-08-23 publication Nguyen, Tran B. author NSF National Center for Atmospheric Research publisher Goals: Product & SOA formation study on 2-methylbut-3-ene-1,2-diol (1,2-DHI) + OH, seeded (ammonium sulfate), dry, trying to get the best conditions possible for any isomerization/autooxidation to occur (including high temperature, low OH / light) Summary: The chamber was heated to 35 degree C and all but two lights were removed from the chamber (~3% of maximum light flux). 1,2-DHI and CH3ONO were injected, AS was atomized, and the bag was allowed to mix and equilibrate, after which the lights were turned on and left on overnight (greater than 24 hours). The CIMS was ran out of reagent gas, so signals were pretty wonky after 6:00 am on the second day. Organization: Nguyen Group Lab Affiliation: UC Davis Chamber: Tran's big bag of air Experiment Category: Gas phase chemical reaction Oxidant: Hydroxyl radical Reactants: 2-methylbut-3-ene-1,2-diol, Methyl nitrite Reaction Type: Photooxidation Relative Humidity: 5 Temperature: 35 Seed Name: Ammonium sulfate Pressure: 755 completed datahelp@ucar.edu pointOfContact notPlanned dataset https://gdex.ucar.edu/images/ds_logos/default_200_200.png Logo thumbnail from URL png ASCII dataset Resource Type 2021-03-30 revision 4.4 DataCite Metadata Working Group orginator resourceTypeGeneral LABORATORY > LABORATORY U.S. National Aeronautics and Space Administration Global Change Master Directory GCMD 2026-02-27 revision 23.4 NASA Global Change Master Directory orginator Valids List: Platforms ICARUS > Integrated Chamber Atmospheric data Repository for Unified Science U.S. National Aeronautics and Space Administration Global Change Master Directory GCMD 2026-02-27 revision 23.4 NASA Global Change Master Directory orginator Valids List: Projects EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > TRACE GASES/TRACE SPECIES U.S. National Aeronautics and Space Administration Global Change Master Directory GCMD 2026-02-27 revision 23.4 NASA Global Change Master Directory orginator Valids List: Science and Services Keywords Creative Commons Attribution 4.0 International License None eng utf-8 environment 2021-02-04 2021-02-04 NSF NCAR Geoscience Data Exchange datahelp@ucar.edu https://gdex.ucar.edu distributor 147.874 https://gdex.ucar.edu/datasets/d789253/ https Dataset Description Related Link information https://gdex.ucar.edu/datasets/d789253/dataaccess/ https Data Access Related Link download none asNeeded