APSCA: Comprehensive Risk-based Source-Receptor Relationships

The Air Pollution Social Cost Accounting (APSCA) model is a reduced-form model to generate a comprehensive set of source-receptor relationships for social costs of air pollution. The APSCA model was derived by applying an empirical disaggregation method to social costs estimated by EASIUR. It can be used to quickly estimate source contributions of air pollution burden borne by a downwind (or receptor) area, allowing the assessment of public health implications of emissions-related policy interventions from receptor's perspective.

What and How APSCA does?

This presentation shows the method and applications of EASIUR and APSCA. Please also take a look at this poster (presented at SRA 2015).

APSCA's estimation of source
    contribution at 14 metropolitan areas

Figure: Source contribution of social costs of inorganic PM2.5 (primary PM2.5, SO2, NOx, and NH3)
borne by 14 Metropolitan Statistical Areas. (Value of statistical life: $8.6M in 2010 USD, Relative risk: 1.06)

Getting APSCA and EASIUR

This Google Drive folder provides a complete set of APSCA and EASIUR. The size of the folder is about 62 GB in total. It includes a tutorial (easiur_apsca.html) about using APSCA and EASIUR programatically in Python. APSCA and EASIUR can be used similarly in other languages and tools because they are provided in the HDF5 format.

For your information, we provide county-level source contribution estimates in 2005 here that are generated using the 2005 National Emissions Inventory.


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