Seasonal Variability in Local CO2 Emission Sources over CONUS using Airborne In-Situ Combustion Efficiencies

Josh DiGangi, Sandip Pal

Research output: Contribution to conferencePaper

Abstract

Carbon dioxide (CO2) is a major tracer of anthropogenic emissions, which have a strong influence on regional air quality and global climate. Models utilize emissions inventories of CO2 to predict its transport and accumulation in the atmosphere. However, emissions are continually evolving, and they must be validated through direct measurements. Tower networks provide a vital long term, continuous record of CO2 levels, but only provide data at discrete points. Airborne measurements of CO2 can provide data with high accuracy and spatial resolution over a large area, making them ideal for regional emission surveys. We present trends in seasonal variability in local CO2 emissions over the continental US during four Atmospheric Carbon Transport-America (ACT-America) campaigns during Summer 2016 – Spring 2018. Local CO2 emissions are characterized through their combustion efficiency, demonstrated through the relative enhancements in transected boundary layer plumes in the airborne carbon mo
Original languageEnglish
StatePublished - Dec 10 2018

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