Connecting Organic Aerosol Climate-Relevant Properties to Chemical Mechanisms of Sources and Processing

Thornton, Joel

关键词: aerosol climate instrumentation;   

DOI  :  10.2172/1168697
RP-ID  :  DOE-UW-0006867
PID  :  OSTI ID: 1168697

美国|英语

来源: SciTech Connect

【 摘 要 】

The research conducted on this project aimed to improve our understanding of secondary organic aerosol (SOA) formation in the atmosphere, and how the properties of the SOA impact climate through its size, phase state, and optical properties. The goal of this project was to demonstrate that the use of molecular composition information to mechanistically connect source apportionment and climate properties can improve the physical basis for simulation of SOA formation and properties in climate models. The research involved developing and improving methods to provide online measurements of the molecular composition of SOA under atmospherically relevant conditions and to apply this technology to controlled simulation chamber experiments and field measurements. The science we have completed with the methodology will impact the simulation of aerosol particles in climate models.