The Impact Of A Stratiform Cloud Layer On The Chemical Species During The N.A.R.E. 1993 Summer Intensive In Nova Scotia, Canada

The Impact of a Stratiform Cloud Layer on the Chemical Species during the N.A.R.E. 1993 Summer Intensive in Nova Scotia, Canada A contribution to subproject PROCLOUD E Buisson, N. Audiffren, S. Cautenet andN. Chaumerliac LaMP/O.P.G.C., Universite BlaisePascal-C.N.R.S., 24AvenuedesLandais, 63177 Aubiere Cedex - France Due to its high density of urban and industrial sources, the eastern United States often experiences widespread pollution episodes during the summer (Logan, 1985; Vukovich and Fishman, 1986). Most of the earlier works (Zeller et al., 1977; Spicer, 1982) presented evidence for the transport of plumes from the eastern seaboard of the United States out over 100 km or more of the North Atlantic. The 1993 North Atlantic Regional Experiment provided further evidences for the transport of anthropogenic pollutants and ozone precursors (NOx, COV, ...) from continental sources out over the Atlantic oce