Anthropogenic Carbon Emission System, 2012-2017, Version 2

Published by ORNL_DAAC | National Aeronautics and Space Administration | Metadata Last Checked: January 17, 2026 | Last Modified: 2026-01-13

This dataset provides estimates of hourly carbon dioxide (CO2) emissions from the combustion of fossil fuels at 1-km resolution for the coterminous United States (CONUS) covering the years 2012 through 2017. Emissions from the ACES model are reported for ten distinct emissions source sectors: Airports and Aircraft, Commercial Buildings, Electric Power Generation facilities, Industrial point and non-point sources, Commercial Marine Vessels, Nonroad vehicles and equipment, Oil and Gas wells and facilities, Onroad vehicles, Railway engines and yards, and Residential buildings. All emissions are reported hourly on a 1-km x 1-km spatial grid. The data are provided in NetCDF version 4 format.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.3334/ORNLDAAC/1943
landingPage	https://search.earthdata.nasa.gov/search?q=NACP_ACES_V2_1943&ac=true
programCode	[ "026:000" ]
spatial	[[{"WestBoundingCoordinate":-128.267,"NorthBoundingCoordinate":48.1089,"EastBoundingCoordinate":-65.3066,"SouthBoundingCoordinate":23.0132}],"CARTESIAN"]
temporal	2012-01-01/2012-01-01
theme	[ "Earth Science" ]