GBD-MAPS-Global: Gridded Fractional Source Contribution Results

<strong>Overview</strong><br> This dataset contains the modeled gridded fractional source contribution results for the 2021 Global Burden of Disease - Major Air Pollution Sources (GBD-MAPS) - Global study. Fractional results aggregated to the regional, national, and sub-national scales are available as Supplementary Datasets in McDuffie et al., Nature Communications, 2021. This GBD-MAPS-Global methodology and results are described in the following article:<br> McDuffie, E. E., Martin, R. V., Spadaro, J. V., Burnett, R., Smith, S. J., O'Rourke, P., Hammer, M., van Donkelaar, A., Bindle, L., Shah, V., Jaegle, L., Luo, G., Yu, F., Adeniran, J., Lin, J., Brauer, M. Source Sector and Fuel Contributions to Ambient PM_2.5 Attributable Mortality Across Multiple Spatial Scales, <em>Nature Communications</em> <strong>Notes:</strong><br> All results provide the modeled fractional contribution of each designated source category to total surface PM_2.5 mass and attributable disease burden. Fractional source contribution results are derived from emission sensitivity simulations using the GEOS-Chem 3D global chemical transport model (DOI: 10.5281/zenodo.4718622) and emissions from the Community Emissions Data System (GBD-MAPS update) (DOI: 10.5281/zenodo.3754964), unless otherwise noted. Results are provided at the 0.01°x0.01° (~1 km x 1 km) spatial resolution and are based on original simulations conducted at 2°x2.5° (global) and 0.5°x0.625° (Europe, North America, and Asia regions) degree resolutions. All units are in fractional percentages (e.g., 0.0245 is 2.45%). To calculate gridded <em>absolute</em> contributions of each source to PM_2.5 mass (used in the GBD-MAPS analysis):<br> 1) Multiply the 0.01°x0.01° fractional source contributions by downscaled 0.01°x0.01° resolution PM_2.5 mass estimates, available in the DownscaledPM.zip folder as part of the GBD-MAPS-Global: Analysis Input Dataset (DOI: 10.5281/zenodo.4642700) <strong>Data File Descriptions:</strong><br> <strong>LatLon</strong> - The latitude and longitude values that correspond to each data point in the source-specific files (0.01°x0.01° resolution) Sector Files (sum to 100%): <strong>AFCID</strong> - <em>Anthropogenic Fugitive, Combustion, and Industrial Dust</em><br> <strong>AGR</strong> - <em>Agriculture</em> - includes manure management, soil fertilizer emissions, rice cultivation, enteric fermentation, and other agriculture<br> <strong>ENEcoal</strong> - <em>Energy Production (coal combustion only)</em> - Includes electricity and heat production, fuel production and transformation, oil and gas fugitive/flaring, and fossil fuel fires<br> <strong>ENEother</strong> - <em>Energy Production (all non-coal combustion) </em>- Includes electricity and heat production, fuel production and transformation, oil and gas fugitive/flaring, and fossil fuel fires<br> <strong>GFEDagburn</strong> - <em>Agricultural Waste Burning </em>- Includes solid waste disposal, waste incineration, waste-water handling, and other waste handling (from the GFED fires inventory)<br> <strong>GFEDoburn </strong>- <em>Other Open Fires</em> - Includes deforestation, boreal forest, peat, savannah, and temperate forest fires (from the GFED fires inventory) <br> <strong>INDcoal</strong> - <em>Industry (coal combustion only)</em> - Includes Industrial combustion (iron and steel, non-ferrous metals, chemicals, pulp and paper, food and tobacco, non-metallic minerals, construction, transportation equipment, machinery, mining and quarrying, wood products, textile and leather, and other industry combustion) and non-combustion industrial processes and product use (cement production, lime production, other minerals, chemical industry, metal production, food, beverage, wood, pulp, and paper, and other non-combustion industrial emissions)<br> <strong>INDother</strong> - <em>Industry (all non-coal combustion)</em> - Includes Industrial combustion (iron and steel, non-ferrous metals, chemicals, pulp and paper, food and tobacco, non-metallic minerals, construction, transportation equipment, machinery, mining and quarrying, wood products, textile and leather, and other industry combustion) and non-combustion industrial processes and product use (cement production, lime production, other minerals, chemical industry, metal production, food, beverage, wood, pulp, and paper, and other non-combustion industrial emissions)<br> <strong>NRTR</strong> - <em>non-road/ off-road transportation </em>- Includes Rail, Domestic navigation, Other transportation<br> <strong><em>OTHER</em></strong><em> - all remaining sources</em>, including: volcanic SO2, lightning NOx, biogenic soil NO, ocean emissions, biogenic emissions, very short lived iodine and bromine species, decaying plants (misc. inventories)<br> <strong>RCOC</strong> - <em>Commercial Combustion</em> - Includes commercial and institutional combustion<br> <strong>RCOO</strong> - <em>Other Combustion</em> - Includes combustion from agriculture, forestry, and fishing<br> <strong>RCORbiofuel</strong> - <em>Residential combustion (solid biofuel combustion only) </em>- includes residential heating and cooking<br> <strong>RCORcoal</strong> - <em>Residential combustion (coal combustion only)</em> - includes residential heating and cooking<br> <strong>RCORother</strong> - <em>Residential Combustion (all non-coal and non-solid biofuel)</em> - includes residential heating and cooking<br> <strong>ROAD</strong> - <em>Road Transportation</em> - includes cars, motorcycles, heavy and light duty trucks and buses<br> <strong>SHP</strong> - <em>International Shipping</em> - Includes international shipping and tanker loading<br> <strong>SLV</strong> - <em>Solvents</em> - Includes solvents production and application (degreasing and cleaning, paint application, chemical products manufacturing and processing, and other product use)<br> <strong>WDUST</strong> - <em>Windblown Dust - </em>(from the DEAD dust model)<br> <strong>WST</strong> - <em>Waste</em> - Includes solid waste disposal, waste incineration, waste-water handling, and other waste handling Fuel Categories (do not sum to 100% for each grid cell as these only include combustion sources of PM_2.5): <strong>BIOFUEL</strong> - <em>Solid Biofuel</em> (or biomass) <em>Combustion</em>- Includes solid biofuel<br> <strong>COAL</strong> - <em>Total Coal</em> <em>Combustion </em>- Includes hard coal, brown coal, coal coke<br> <strong>OILGAS- </strong><em>Liquid Oil and Natural Gas Combustion </em>- Includes light and heavy oil, diesel oil, and natural gas

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