||Performances of Lagrangian and Eulerian Transport and Diffusion Models across Continental Scales.
Clark, T. L. ;
Cohn., R. D. ;
||Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab. ;Analytical Sciences, Inc., Durham, NC.
Air pollution ;
Atmospheric models ;
Pollution transport ;
Atmospheric diffusion ;
North America ;
Tracer studies ;
Mathematical models ;
Environment simulation ;
Across North America Tracer Experiment ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
During the first three months of 1987, two chemically-inert perfluorocarbon tracer gases were released near ground level every 2.5-days from two sites in central North America and sampled for 24-hour periods at 77 surface sites across central and eastern North America. The source-receptor distances ranged from less than 30 km to 3000 km. These Across North America Tracer Experiment (ANATEX) data from the 66, 3-h releases serve as a unique evaluation data set with which to evaluate the long-range transport and diffusion simulations of regional atmospheric models and to establish a range of uncertainty for various model genres.