Using High Resolution Observations to Gain Insight into Urban Greenhouse Gas Emissions 


Urban areas comprise a large fraction of anthropogenic greenhouse gas emissions, and cities are implementing mitigation strategies to reduce emissions by sectors. However, observing and quantifying trends in an individual sector’s contribution to the overall urban emission is challenging as various emission sources are commingled within cities. I will discuss these challenges and novel approaches providing high resolution insight into urban greenhouse gas emissions. I will demonstrate opportunities for high-density sensor network from studies in the San Francisco Bay Area and Los Angeles. I will also discuss the isotopic signal of carbon dioxide, a useful tracer for source apportionment, and radon-222, a useful tracer for atmospheric mixing process. 

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  • Naomi Lopez

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