Gas phase and particle time series collected in Delhi Jan

http://bolin.su.se/data/haslett-2023-delhi-1 Sophie L. Haslett, David M. Bell, Varun Kumar, Jay G. Slowik, Dongyu S. Wang, Suneeti Mishra, Neeraj Rastogi, Atinderpal Singh, Dilip Ganguly, Joel Thornton, Feixue Zheng, Yuanyuan Li, Wei Nie, Yongchun Liu, Wei Ma, Chao Yan, Markku Kulmala, Kaspar R. Daellenbach, David Hadden, Urs Baltensperger, Andre S. H. Prevot, Sachchida N. Tripathi, Claudia Mohr Gas phase and particle time series collected in Delhi Jan – Feb 2019 Bolin Centre Database 2023 Datafile Atmosphere Aerosols Delhi Chlorine chemistry Aerosol Atmospheric chemistry Urban atmosphere FIGAERO-CIMS AMS Atmospheric science Air pollution Indo-Gangetic Plain South Asia Earth science > Atmosphere > Atmospheric chemistry Sophie Haslett 2023-09-05T13:11:43+00:00 English 1 Data are provided in an Excel `xlsx` file containing 13 sheets, and associated `csv` files. The sheets/csv files contain the following: - `timeSeries-AMS`: particulate concentrations measured by the Aerosol Mass Spectrometer (AMS, Aerodyne Research): Organic aerosol (Org); Nitrate (NO₃); Chloride (Chl), in µg/m³. - `timeSeries-FIGAERO-CIMS`: Gas phase concentrations measured by the Chemical Ionisation Mass Spectrometer with a Filter Inlet for Gases and Aerosols (FIGAERO-CIMS, Aerodyne Research), using iodide as the reagent ion: ClNO₂ and N₂O₅, in pptv. Both were observed as adducts with iodide; ClNO₂ at mass-to-charge ratio 208 and N₂O₅ at 235. - `timeSeries-NOx`: NOₓ measured by a Serinus 40 Oxides of Nitrogen (NOₓ) analyser (ECOTECH): NO, NO₂ in ppbv. - `timeSeries-O₃`: ozone measured by a Model 202 Ozone Monitor (2B Technologies) in ppbv. - `timeSeries-insolation`: Insolation in W m⁻² The remaining sheets/files contain average diel cycles over the campaign for the following compounds: - `diel-N2O5`: N₂O₅ (pptv, FIGAERO-CIMS) - `diel-ClNO2`: ClNO₂ (pptv, FIGAERO-CIMS) - `diel-NO`: NO (ppbv; NOₓ analyser) - `diel-NO2`: NO₂ (ppbv; NOₓ analyser) - `diel-O3`: O₃ (ppbv; O₃ analyser) - `diel-Chl`: Chloride (µg/m³; AMS) in the particle phase - `diel-CIMSGasPhase` and `diel-CIMSParticlePhase`: CHON compounds as percentage of organic signal in the gas and particle phase (FIGAERO-CIMS): C₂ClH₃O₂ as percentage of organic signal in the gas phase (FIGAERO-CIMS); C₁₀H₁₅NO₆ as percentage of organic signal in the gas and particle phase (FIGAERO-CIMS); C₈H₁₁NO₇ as percentage of organic signal in the gas and particle phase (FIGAERO-CIMS). In all cases, compounds measured with the FIGAERO-CIMS were observed as adducts with iodide.