Author(s)

O. Klemm

Abstract

A series of flights was conducted within the MEDCAPHOT - TRACE project between 06 and 15 September, 1994. The goals were to help understand the distribution, transport, and chemical reaction rates of pollutant gases emitted in the large urban agglomeration of the city of Athens. The flight routes covered the Greater Athens Area (about 60 x 60 km), including the inner basin, with low level (50 - 150 m above water or ground) flight legs. Additionally, vertical profiles were flown southwest and northeast of the city in order to characterize the physical and chemical structure of the boundary layer upwind and downwind of the city. In some cases, a relatively strong northeasterly synoptic flow guaranteed good ventilation in most

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