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Comment on estimation of the atmospheric and nonatmospheric contributions and losses of polychlorinated biphenyls for lake Michigan on the basis of sediment records of remote lakes

Journal Article · · Environmental Science and Technology; (USA)
DOI:https://doi.org/10.1021/es00167a017· OSTI ID:5479425
The authors were concerned with the validity of assumptions used in the paper Estimation of the Atmospheric and Nonatmospheric Contributions and Losses of Polychlorinated Biphenyls for Lake Michigan on the Basis of Sediment Records of Remote Lakes. Swackhammer and Armstrong estimated the magnitude and the relative importance of the different sources and sinks of polychlorinated biphenyls(PCBs) in Lake Michigan. To distinguish between atmospheric and nonatmospheric sources of PCBs, they used an atmospheric deposition model calibrated on several small Wisconsin Lakes whose only known source of PCBs was the atmosphere. The estimates of total input were based on the accumulations in the sediments. The authors argued with the assumptions that the evaporation of PCBs was taken into account only when considering the atmospheric PCBs; that the average accumulation of PCBs in sediments was based on an average of 30 years for the Wisconsin lakes and 51 years for Lake Michigan; that the great lakes had little or no effect on the climate of this region; and that the PCB inputs from the atmosphere were the same for the Wisconsin lakes and Lake Michigan.
OSTI ID:
5479425
Journal Information:
Environmental Science and Technology; (USA), Journal Name: Environmental Science and Technology; (USA) Vol. 22:2; ISSN ESTHA; ISSN 0013-936X
Country of Publication:
United States
Language:
English

Similar Records

Estimation of the atmospheric and nonatmospheric contributions and losses of polychlorinated biphenyls for Lake Michigan on the basis of sediment records of remote lakes
Journal Article · Mon Sep 01 00:00:00 EDT 1986 · Environ. Sci. Technol.; (United States) · OSTI ID:6657718
Dry deposition of particulate polychlorinated biphenyls and polycyclic aromatic hydrocarbons to Lake Michigan
Journal Article · Mon Nov 30 23:00:00 EST 1998 · Environmental Science and Technology · OSTI ID:302215
Distribution and characterization of PCBs (polychlorinated biphenyls) in Lake Michigan water
Technical Report · Wed Dec 31 23:00:00 EST 1986 · OSTI ID:6969344

Related Subjects

500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR-WATER INTERACTIONS
AROMATICS
ATMOSPHERIC PRECIPITATIONS
CHEMICAL COMPOSITION
CHLORINATED AROMATIC HYDROCARBONS
EVAPORATION
FEDERAL REGION V
GREAT LAKES
HALOGENATED AROMATIC HYDROCARBONS
LAKE MICHIGAN
LAKES
LOSSES
NORTH AMERICA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PHASE TRANSFORMATIONS
QUANTITY RATIO
SEDIMENTS
SINKS
SURFACE WATERS
USA
WISCONSIN