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9 datasets found
  • Federal

    Need for Improved Monitoring of Spatial and Temporal Trends of Reduced Nitrogen

    U.S. Environmental Protection Agency —

    Data in Figure 1 are from publicly available databases including county-level ammonia (NH3) emissions from the US EPA National Emissions Inventory...
  • Federal

    Rumsey and Walker_AMT_2016_Table 1

    U.S. Environmental Protection Agency —

    Table summarizes instrument analytical detection limits, including liquid and equivalent air concentrations. This dataset is associated with the following...
  • Federal

    Dry Dep Comp_Wu et al_2018

    U.S. Environmental Protection Agency —

    Datasets present results of comparisons of five commonly dry deposition algorithms for ozone and sulfur dioxide, including diurnal patterns in deposition velocities,...
  • Federal

    Rumsey and Walker_AMT_2016_Figure 2.xlsx

    U.S. Environmental Protection Agency —

    Figure summarizes uncertainty (error) in hourly gradient flux measurements by individual analyte. Flux uncertainty is derived from estimates of uncertainty in...
  • Federal

    Rumsey and Walker_AMT_2016_Table 2.xlsx

    U.S. Environmental Protection Agency —

    Table summarizes instrument precision assessed by collocating the two sample boxes. Precision is quantified as the standard deviation of the residuals of an...
  • Federal

    Model evaluation of dry deposition of oxygenated volatile organic compounds

    U.S. Environmental Protection Agency —

    This dataset includes a data dictionary, tables of physicochemical characteristics of the oxygenated volatile organic compounds evaluated with the updated dry...
  • Federal

    WSON_Coweeta_Chen et al_2017

    U.S. Environmental Protection Agency —

    Datasets describing bulk and speciated water soluble organic nitrogen and carbon species in 24 hour high volume PM samples. This dataset is associated with the...
  • Federal

    MARGA_Chen et al_2016

    U.S. Environmental Protection Agency —

    These data describe the chromatography characteristics of the MARGA instrument software as compared to an alternative, independent technique for chromatogram...
  • Federal

    Rumsey and Walker_AMT_2016_Figure 1.xlsx

    U.S. Environmental Protection Agency —

    Figure summarizes diurnal profiles of uncertainty in the chemical gradient and transfer velocity measurements from which fluxes are calculated. This dataset is...
9 datasets found

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