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3SAQS 2008b Modeling Platform

Abstract

The 3SAQS project performed photochemical grid modeling (PGM) for the year 2008 using the Comprehensive Air Quality Model with Extensions (CAMx) version 5.41. The 3SAQS 2008 Modeling Protocol details the CAMx configuration and justification for why it was chosen for the 3SAQS. Version B of the 3SAQS base 2008 modeling platform (3SAQS_Base08b) includes CAMx results for 36-km, 12-km,36-km and 4-km12-km modeling domains. The 3SAQS 2011a modeling2008b platform isincludes evolving to includeneither a future projection year (2020), diagnostic sensitivity case studies, and a Community Multiscale Air Quality (CMAQ) model simulation.simulation nor a 4-km modeling domain. The set-up and configuration of the 3SAQS 20112008b platform was derived from the 3SAQSWest-wide Jumpstart Air Quality Modeling Study (WestJumpAQMS) final 2008 version B (3SAQS_CAMx_Base08b) modeling platform,platform butand differs significantlyonly in targeted changes to the emissions data in the inputstates dataof Colorado, Utah, and modelsWyoming. usedThe in3SAQS the2008b simulation. modeling platform includes a future projection year (2020).

CAMx Base 2011a

CMAQ Base 2011a

2020 Projections