Record Display for the EPA National Library Catalog

RECORD NUMBER: 428 OF 730

OLS Field Name OLS Field Data
Main Title Isoprene Emission Fluxes Determined by an Atmospheric Tracer Technique.
Author Lamb, B. ; Westberg, H. ; Allwine, G. ;
CORP Author Washington State Univ., Pullman.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Sciences Research Lab.
Year Published 1986
Report Number EPA-R-809296-02; EPA/600/J-86/412;
Stock Number PB88-125661
Additional Subjects Isoprene ; Emission ; Atmospheric motion ; Air pollution ; Wind(Meteorology) ; Air circulation ; Sulfur hexafluoride ; Oak trees ; Biomass ; Reprints ; Tracer studies ; Biogeny
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB88-125661 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 10p
Abstract
Sulfur hexafluoride tracer was used in a series of experiments to simulate isoprene emissions from an isolated oak grove. The measured tracer release rate and ambient concentrations of isoprene and SF sub 6 observed along downwind sample lines were combined to determine the mass flux of isoprene from the forest. The fluxes determined from the tracer data increased exponentially with temperature and were in close agreement with estimates determined from emission rates measured in a series of branch enclosure samples. The results of the field study demonstrate the feasibility and usefulness of simulating forest emissions as a tool for investigating turbulent transport in forested areas. Isoprene emission fluxes that can be applied in regional models are reported. (Copyright (c) 1986 Pergamon Press Ltd.)