Removal of Content Advisory - April 2024

Advisory to Gridpoint Statistical Interpolation (GSI) users: As of the beginning of April 2024, all support assets for Gridpoint Statistical Interpolation (GSI) will be removed from the DTC website. Users should download all reference materials of interest prior to April 2024.

Community GSIV3.7 Online Tutorial | Other Practical Cases > Case 10: Chem case: GSI analysis for CMAQ

GSI CHEMICAL ANALYSIS FOR CMAQ

Introduction, Background and Data

The GSI has been developed to analyze chemical observations, such as MODIS AOD or PM2.5, to improve the pollution forecast with chemical models. 

This exercise introduces running the GSI analysis with CMAQ background and PM2.5 observations.

Please check the Download Practice Data section if need to obtain the background and observation files.