SURFACE OZONE MEASUREMENTS AT TALIARTE, GRAN-CANARIA (CANARY-ISLANDS,SPAIN)

From December 1990 tropospheric ozone concentrations have been measure d at Taliarte station (Gran Canaria, Canary Islands). Taliarte's measu rements are of great interest because of its proximity to Izana BAPMoN observatory (Tenerife, Canary Islands) and its relative distance to h igh-pollution regions. A comparative study with other North-Atlantic s tations has been carried out. In order to compare possible analogies a nd differences, a comparative study has been carried out. Studies invo lve seasonal cycle, diurnal oscillation and long-range transport. Ozon e concentrations at Taliarte show high sensitivity to transport from h igher latitudes. For diurnal variations, two different patterns have b een found: ''trade winds'' and ''marine breeze'' situations.