+ Site Statistics
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

The chemistry of atmospheric aerosol particles in the Amazon Basin

Seidl, P. R. , Gottlieb, O. R. , Kaplan, M. A. C. Acs Symposium Series; Chemistry Of The Amazon: Biodiversity, Natural Products, And Environmental Issues. 265-280
The chemistry of atmospheric aerosol particles in the Amazon Basin
Amazon Basin tropical rainforest is a key region to study the processes that are responsible for global atmospheric changes. There are large emissions of primary biogenic aerosol particles released naturally by the vegetation, and also large amounts of fine mode aerosol particles emitted during biomass burning. Fine and coarse mode aerosol particles were collected at three sites using Stacked Filter Units. Particle induced X-ray emission (PIXE) measured concentrations of up to 20 elements in the fine mode: Al, Si, P, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Br, Rb, Sr, Zr, and Pb. Biogenic and biomass burning aerosol particles dominate the fine mode mass concentration, with the presence of K, P, S, Cl, Zn, Br, and FPM (Fine mode mass concentration). During the dry season, at two sites, a strong component of biomass burning is observed. Inhalable particulate matter (dp < 10 micrometers) mass concentration up to 700 micrograms/m3 was measured. Absolute Principal Factor Analysis (APFA) showed four components: soil dust (Al, Ca, Ti, Mn, Fe), biomass burning (Black carbon, FPM, K, Cl), natural biogenic particles (K, S, Ca, Mn, Zn), and marine aerosol (Cl). Samples collected directly over biomass burning fires in cerrado and primary forest show large amounts of organic acids, in addition to K, Cl, P, black carbon and other species.

Accession: 002980266

Related references

Chemistry and composition of atmospheric aerosol particles. Annual Review of Physical Chemistry 63: 471-491, 2012

Preliminary data on atmospheric aerosol of the amazon basin south america. Atmospheric Environment 16(9): 2177-2182, 1982

Size distribution of biogenic aerosol particles from the Amazon basin. Atmospheric Environment 29(3): 393-402, 1995

Case study of atmospheric measurements in Brazil Aerosol emissions from Amazon Basin fires. Crutzen, P J , Goldammer, J G Environmental Sciences Research Report; Fire in the environment: The ecological, atmospheric, and climatic importance of vegetation fires 139-158, 1993

On molecular chirality within naturally occurring secondary organic aerosol particles from the central Amazon Basin. Physical Chemistry Chemical Physics 13(26): 12114-12122, 2011

A preliminary analysis of the surface chemistry of atmospheric aerosol particles in a typical urban area of Beijing. Journal of Environmental Sciences 47: 71-81, 2016

Chemical composition of aerosol particles from direct emissions of vegetation fires in the Amazon Basin: Water-soluble species and trace elements. Atmospheric Environment 34(10): 1641-1653, 2000

Atmospheric aerosol chemistry measured with an aerosol mass spectrometer. Abstracts of Papers American Chemical Society 223(1-2): ENVR 111, 2002

The size distribution of marine atmospheric aerosol with regard to primary biological aerosol particles over the South Atlantic Ocean. Atmospheric Environment 33(21): 3569-3575, Sept, 1999

A new method for assessing the contribution of Primary Biological Atmospheric Particles to the mass concentration of the atmospheric aerosol. Environment International 87: 108-115, 2016