Istanbul, located in northwestern Turkey, has a population of over 12 million. Home to 17.6% of the country’s population, it is the largest city in Turkey and one of the 25 largest in the world.
Although data do not indicate a clear declining trend in rainfall in Istanbul and its surroundings, extreme events – especially droughts – seem more pronounced than in the past. In 2006, the measured rainfall of 66.7 mm was the record low for the previous 50 years, a period during which the average was 257.2 mm per year. Furthermore, the water level in reservoirs serving the city was just 45% in 2004, and plummeted to around 25% in 2007 and 2008. Read more