Dataset Open Access

National Emissions Inventory crosswalk for the InMAP Source-Receptor Matrix (ISRM) dataset

Raheja, Garima; Goodkind, Andrew; Tessum, Christopher W.; Coggins, Jay S.; Hill, Jason D.; Marshall, Julian D.

The InMAP Source-Receptor Matrix (ISRM) estimates the air quality impacts of emissions released from any source location in the contiguous United States to any receptor location. Specifically, the values in the ISRM dataset are the change in PM2.5 concentration (µg m-3) in any receptor grid cell per unit of emissions (µg sec-1) in any source grid cell. ISRM was created from repeated runs of the Intervention Model for Air Pollution (InMAP), isolating the impact of emissions from every grid cell in InMAP and from three emission heights representing ground-level, low-stack, and high-stack emissions. A file of the marginal impacts of emissions from each source location is also included ("marginal_values.csv"), which summarizes the estimates in ISRM by each source grid cell in terms of monetary damages ($ tonne-1), increased mortality (deaths tonne-1), and population exposure (population*µg m-3 tonne-1).

These files join the US EPA National Emissions Inventory to the ISRM to facilitate future analyses. The original ISRM file can be found here:

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