Black Sea which are largely responsible for regional precipitation inputs and influence Mediterranean Sea Surface Temperatures (SST's). The relative strength of these systems also limits the amount of cold air arriving from northern regions during winter. Other influencing factors include the regional topography, as depressions and storms systems arriving from the Mediterranean are funneled through the low land around the Bosphorus, Pontic and Caucasus mountain ranges acting as wave guides, limiting the speed and paths of cyclones passing through the region. There are some islands in the Black sea that belong to Bulgaria, Romania, Turkey, and Ukraine: The Black Sea is connected
Convention on the legal status of the Caspian Sea Convention on the legal status of the Caspian Sea The Convention on the legal status of the Caspian Sea is a treaty signed at the Fifth Caspian Summit in Aktau, Kazakhstan, on 12 August 2018 by the presidents of Russia, Kazakhstan, Azerbaijan, Iran and Turkmenistan. The dispute began after the dissolution of the Soviet Union in 1991, as the Soviet Union (and subsequently Russia) and Iran were respecting mutual 1921 and 1940 treaties. However, according to Azerbaijan, Kazakhstan and Turkmenistan, these treaties did not address the exploitation of the seabed, thus a new UNCLOS treaty is necessary. Due to the