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Research underconstruction

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Sources of Chinese air pollutants

Team members: Nan LI, Yue JIAN, Heng TIAN, Hansen CAO, Tzung-May FU


Constraining the sources of carbonaceous aerosols in China

Publication: Fu et al. (2012)

Constraining the emissions of carbonaceous aerosols in the PRD region

Publication:

Constraints on the historical black carbon emissions from China (1850-2000)

Publication:


Volatile organic compounds (VOCs): global and regional emissions and impacts

Team members: Hansen CAO, Heng TIAN

Volatile organic compounds (VOC) is an important class of atmospheric constituents, impacting the production of ozone, the oxidation power of the atmosphere, the lifetime of other green house gases and pollutants, and the production of organic aerosols.

VOCs are emitted into the atmosphere from both natural and anthropogenic activities, and quantifying these many overlapping sources can be a challenge. We use satellite observations of formaldehyde (HCHO), an oxidation product of many VOCs, to make 'top-down' estimates of VOC emissions from each source.

Publication: Fu et al. [2007], Millet et al. [2007], Palmer et al. [2006]


Publication: Fu et al. [2007], Millet et al. [2007], Palmer et al. [2006]

Secondary organic aerosols (SOA)

Secondary organic aerosols (SOA) are the organic mass transferred into the particulate phase in the atmosphere. Many recent observations have found SOA concentrations to be much higher than can be explained by current models in most parts of the atmosphere.

Using a global 3-D atmospheric chemistry model, we investigate the missing source of SOA. In particular, we find that the heteorogeneous uptake of dicarbonyls in aeorsols and clouds can help explained the observed SOA concentrations and variability.

Team members: Nan LI, Li XING, Tzung-May FU


Sources of SOA in China

Publication: Fu et al. (2012)


Sources of SOA in the PRD region

Publication: Li et al. (2013)


Organic matter to organic carbon mass ratio in Chinese urban aerosols

Publication: Xing et al. (2013)


A new physically-based parameterization scheme for organic aerosol size evolution


Chemistry-Climate interactions and Chemistry-Climate Model (CCM) development

Team members: Jinxuan CHEN, Yaping MA, Wanying KANG, Aoxing ZHANG, Ye QING


Accounting for the impacts of the subgrid variability of RH on aerosol optical depth in large-scale models

Publication:


Measurements of Chinese PM2.5 composition

Team members: Wei XU, Jinxuan CHEN, Heng TIAN, Aoxing ZHANG


Air-sea exchange of organic materials

Team members: Cenlin HE, Tzung-May FU

The ocean can act both as a source and a sink of atmospheric organic material. The air/sea exchange of organic materials is complexly regulated by both physical and biological conditions at the interface and poorly understood. We developed a new conceptual model to account for these physical and biological processes, including the presence of microfilms, production/consumption of organic matter by marine life, and other photochemical processes.

Publication: He and Fu (2013)


Long-range transport of pollutants

Team member: Yue JIAN


Impacts of smoke plume injection heights over the Peninsular Southeast Asia on long-range pollutant transport

Publication: Jian and Fu (2014)



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