This readme file was generated on 2022-06-28 by James Smith & Michelia Dam GENERAL INFORMATION Title of Dataset: Supporting data for: Observations of gas-phase products from the nitrate radical-initiated oxidation of four monoterpenes Author/Principal Investigator Information Name: James Smith ORCID: 0000-0003-4677-8224 Institution: University of California, Irvine Address: Rowland Hall Room 317C, Irvine, CA 92697 Email: jimsmith@uci.edu Author/Associate or Co-investigator Information Name: Michelia Dam Institution: University of California, Irvine Address: Irvine, CA 92697 Email: damm1@uci.edu Date of data collection: 2019-10 to 2020-03 Geographic location of data collection: Irvine, CA, USA. Information about funding sources that supported the collection of the data: National Science Foundation, grant AGS-1762098 Department of Energy, grant DE-SC0019000 SHARING/ACCESS INFORMATION Licenses/restrictions placed on the data: None. Links to publications that cite or use the data: Dam, M., Draper, D. C., Marsavin, A., Fry, J. L., and Smith, J. N.: Observations of gas-phase products from the nitrate radical-initiated oxidation of four monoterpenes, Atmos. Chem. Phys. Discuss. https://doi.org/10.5194/acp-2021-1020, 2022. Recommended citation for this dataset: Smith, James (2022), Supporting Data for "Observations of gas-phase products from the nitrate radical-initiated oxidation of four monoterpenes", Dryad [dataset], https://doi.org/10.7280/D1XX2R DATA & FILE OVERVIEW File List: Dcar_kinsim_20191007.csv Stacked_ms.csv Otoc_comparison.csv Time_series_comparison_acp.csv Dcar20191007_acp_twister_netformation.csv METHODOLOGICAL INFORMATION Description of methods used for collection and processing of data, instrumentation, specific software information, calibrations, experimental conditions, and people involved with the experiments can be found in this publication: Dam, M., Draper, D. C., Marsavin, A., Fry, J. L., and Smith, J. N.: Observations of gas-phase products from the nitrate radical-initiated oxidation of four monoterpenes, Atmos. Chem. Phys. Discuss. https://doi.org/10.5194/acp-2021-1020, 2022. Missing data code: n/a DATA-SPECIFIC INFORMATION FOR ALL DATA FILES: File: Dcar_kinsim_20191007.csv The kinetic modeling results are included in this file as a dataset with these variables: no2ppbmodel: concentration of NO2 modeled with the KinSim software with units of ppb. o3ppbmodel: concentration of O3 modeled with the KinSim software with units of ppb. prodo3dcarmodel: concentration of delta-carene oxidation products modeled with the KinSim software with units of ppb. n2o5ppbmodel: concentration of N2O5 modeled with the KinSim software with units of ppb. NO3ppbmodel: concentration of NO3 radical modeled with the KinSim software with units of ppb. Dcarppbmodel: concentration of delta-carene modeled with the KinSim software with units of ppb. Caltime: time axis for modeled results in units of seconds. The measured concentrations of oxidants are included in this file as a dataset with these variables: o3_expt: concentration of optically measured O3 (2B technologies) with units of ppb. tdno2: concentration of experimentally measured NO2 from a thermal decomposition cavity ring down spectrophotometer with units of ppb. Tdseconds: time axis for the tdno2 variable in units of seconds. no2_expt: concentration of optically measured NO2 (2B technologies) with units of ppb. File: Stacked_ms.csv Stacked mass specta are plotted with the following variables: ms_av_dcar: intensity of each chemical formula for the delta-carene system with mass to charge ratios from the mz_base_dcar variable with arbitrary units. mz_base_dcar: mass to charge ratio of each chemical formula for the delta-carene system with intensities from the ms_av_dcar variable with arbitrary units. ms_av_apin: intensity of each chemical formula for the alpha-pinene system with mass to charge ratios from the mz_base_dcar variable with arbitrary units. mz_base_apin: mass to charge ratio of each chemical formula for the alpha-pinene system with intensities from the ms_av_dcar variable with arbitrary units. ms_av_athuj: intensity of each chemical formula for the alpha-thujene system with mass to charge ratios from the mz_base_dcar variable with arbitrary units. mz_base_athuj: mass to charge ratio of each chemical formula for the alpha-thujene system with intensities from the ms_av_dcar variable with arbitrary units. ms_av_bpin: intensity of each chemical formula for the beta-pinene system with mass to charge ratios from the mz_base_dcar variable with arbitrary units. mz_base_bpin: mass to charge ratio of each chemical formula for the beta-pinene system with intensities from the ms_av_dcar variable with arbitrary units. File: Otoc_comparison.csv Oxygen to carbon ratios plotted against mass to charge ratios for each monoterpene system. All variables have arbitrary units. Variables are defined as: otoc_bpin12: oxygen to carbon ratios for each mass to charge ratio, scaled by intensity for the beta-pinene system. int_bpin12: intensity for the beta-pinene system. otoc_apin: oxygen to carbon ratios for each mass to charge ratio, scaled by intensity for the alpha-pinene system. raw_int_apin: intensity for the alpha-pinene system. otoc_dcar: oxygen to carbon ratios for each mass to charge ratio, scaled by intensity for the delta-carene system. int_dcar: intensity for the delta-carene system. otoc_thuj: oxygen to carbon ratios for each mass to charge ratio, scaled by intensity for the alpha-thujene system. int_thuj: intensity for the alpha-thujene system. mq_bpin12: mass to charge ratio for the beta-pinene system. mq_thuj: mass to charge ratio for the alpha-thujene system. mq_apin: mass to charge ratio for the alpha-pinene system. mq_dcar: mass to charge ratio for the delta-carene system. File: Time_series_comparison_acp.csv Total ion intensity from organic products measured with NO3-CIMS in the gas phase over time plotted with particle number concentration over time. Variables are defined as: Tiempo: Experimental time axis in units of seconds. thuj_tot_org: ion intensity from organic products measured with NO3-CIMS in the gas phase for the alpha-thujene system with arbitrary units. dcar_tot_org: ion intensity from organic products measured with NO3-CIMS in the gas phase for the delta-carene system with arbitrary units. bpin_12_tot_org: ion intensity from organic products measured with NO3-CIMS in the gas phase for the beta-pinene system with arbitrary units. dcar_cpc: particle number concentration over time for the delta-carene system with units of cm-3. bpin_12_cpc: particle number concentration over time for the delta-carene system with units of cm-3. apin_tot_org: ion intensity from organic products measured with NO3-CIMS in the gas phase for the alpha -pinene system with arbitrary units. File:Dcar20191007_acp_twister_netformation.csv Net formation time of gas phase organic reaction products measured with NO3-CIMS for the delta-carene system plotted against oxygen to carbon ratio and scaled by intensity. x_half_wl: net formation time of gas phase organic reaction products measured with NO3-CIMS for the delta-carene system with units of seconds. otoc_ef: oxygen to carbon ratio of gas phase organic reaction products measured with NO3-CIMS for the delta-carene system with no units. dot_area: intensity of gas phase organic reaction products measured with NO3-CIMS for the delta-carene system with no units.