![]() In-situ measurements for natural radioactivity of the predominating sand formations were taken by handheld scintillometers (Saphymo-Stell, model spp-2). Three samples retrieved from the western dunes and one sample from the eastern dune field. Geochronological studies with optically stimulated luminescence (OSL) dating method was applied to four samples. The eastern tombolo consists mainly of sand and it is formed by the eroded material (western dune field sand and exposed sandy marls) of the western part of the peninsula, which follows the anticlockwise long shore drift and the western prevailing winds of the study area. The western tombolo consists mainly of sands and gravels and its formation is connected with the material discharged by Kouris river. The northern and southern part of the peninsula is connected by two tombolos. Today, the maximum depth of the Salt Lake reaches 2.8 m below mean sea level during the winter period. Its middle is occupied by the Akrotiri Salt Lake which is covering an area of approximately 20 km 2. The Kouris River is the largest river in Cyprus and drains a catchment area of 300 km 2, extending far up into the Troodos mountains. The Akrotiri aquifer has an approximate surface area of 45 km 2 and consists of deltaic sediments, deposited in two big fan deltas, coming from the Kouris River in the west. The southern boundary of the aquifer runs along the edge of the Akrotiri salt lake. The Akrotiri aquifer consist the most important porous aquifer of Southern Cyprus. The northern part lies in general below 10 m elevation, covered by alluvial fan deposits which are the result of the continuous supply of material by the Kouris river. It includes a southern plateau formed by uplifted marine terraces with a maximum elevation of over 60 m amsl. Akrotiri Peninsula covers roughly 60 km 2 ( Figure 1). 90% of the peninsula is situated within the British Sovereign Base Area. It is located approximately 5 km to the southwest of the port of Lemesos. Akrotiri Peninsula is the southernmost part of the island of Cyprus.
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