||Atmospheric Turbidity and Precipitation Chemistry Data for the World - 1973.
||National Climatic Center, Asheville, N.C.;Environmental Protection Agency, Washington, D.C.;World Meteorological Organization, Geneva (Switzerland).
Atmospheric composition ;
Air pollution ;
Atmospheric disturbances ;
Climatic changes ;
Light transmission ;
Atmospheric attenuation ;
Atmospheric turbidity ;
Baseline studies ;
||Some EPA libraries have a fiche copy filed under the call number shown.
This publication presents atmospheric turbidity computations for 1973 and the first compilation of contributed world-wide Precipitation Chemistry Data covering the years 1972 and 1973. Data are presented for 67 stations representing over 20 countries participating in the monitoring of atmospheric turbidity levels. Each country submitting precipitation chemistry data is responsible for the collection and analysis of its precipitation samples and transmission of the data to EPA for processing. Data tables are presented for 1972 and 1973 for 22 pollutants collected at 26 stations in 9 countries. The presentation encompasses additional metals data from U.S. stations over and above those parameters which were specifically requested by the World Meteorological Organization. It is the aim of the organization through this program to determine current levels of atmospheric pollution, and more importantly, to identify long-term trends in the concentration of significant constituents which may affect the environment sufficiently to induce climatic changes.