ATom: Data Stream for Modeling the Reactivity of ATom Air Parcels, 2016-2018

Description

This dataset provides Modeling Data Stream (MDS) and Reactivity Data Stream (RDS) products for each of the four ATom campaigns conducted from 2016 to 2018. MDS files contain the atmospheric constituents needed to model the RDS of the air parcels along ATom flight paths. The MDS is a continuous data stream (every 10 seconds) of the atmospheric content of these key chemical species derived from the in-situ measurements collected along ATom flight paths (as reported in the comprehensive related dataset ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols). Values for chemical species measured by multiple instruments were selected from the instrument with better coverage and/or greater precision. Missing values were filled using interpolation for short gaps. For long gaps owing to instrument failure, values were estimated using multiple linear regressions from comparable parallel flights from other ATom campaigns. All species were flagged for instrument source and values were flagged for gap-filling status. In combination, MDS and RDS provide, in essence, a photochemical climatology for each air parcel along ATom flight paths containing the reactive species that control the loss of methane and the production and loss of ozone.

Resources

Name Format Description Link
21 Search results for publications that cite this dataset by its DOI. https://scholar.google.com/scholar?q=10.3334%2FORNLDAAC%2F1877
21 This link allows direct data access via Earthdata login https://daac.ornl.gov/atom/ATom_FullModel_DataStream/
21 ATom campaign page https://daac.ornl.gov/ATOM/campaign/
8 ATom: Data Stream for Modeling the Reactivity of ATom Air Parcels, 2016-2018: ATom_MDS_NetCDF_data_dictionary.csv https://data.ornldaac.earthdata.nasa.gov/public/atom/ATom_FullModel_DataStream/comp/ATom_MDS_NetCDF_data_dictionary.csv
21 ORNL DAAC Data Set Documentation https://daac.ornl.gov/ATOM/guides/ATom_FullModel_DataStream.html
21 Data set Landing Page DOI URL https://doi.org/10.3334/ORNLDAAC/1877
21 USE SERVICE API https://opendap.earthdata.nasa.gov/
22 Curtain plots for production of ozone from the ATom-1 campaign in the Central Pacific (top), Eastern Pacific (middle), and Atlantic (bottom). The 10 s air parcels are averaged into 10-degree latitude and 200 m altitude bins. Reactivities, such as P-O3, are calculated for each 10 s air parcel from the Modeling Data Stream (MDS), Version 2, using the UC Irvine chemistry-transport model (CTM) with HNO4 and PAN damped by thermal decomposition. Source: Guo et al. (2021) https://daac.ornl.gov/ATOM/guides/ATom_FullModel_DataStream_Fig1.jpg
33 ATom: Data Stream for Modeling the Reactivity of ATom Air Parcels, 2016-2018: ATom_FullModel_DataStream.pdf https://data.ornldaac.earthdata.nasa.gov/public/atom/ATom_FullModel_DataStream/comp/ATom_FullModel_DataStream.pdf
8 ATom: Data Stream for Modeling the Reactivity of ATom Air Parcels, 2016-2018: ATom_MDS_ICARTT_data_dictionary.csv https://data.ornldaac.earthdata.nasa.gov/public/atom/ATom_FullModel_DataStream/comp/ATom_MDS_ICARTT_data_dictionary.csv

Tags

  • atmosphere
  • atmospheric-chemistry
  • air-quality
  • earth-science

Topics

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