Heat Wave Setting Record Lows For Europe's Rivers & Lakes - Deutsche Welle

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The record temperatures in July have had a dramatic effect on Europe's water resources. Many lakes and rivers are at record lows, aggravating problems already caused by bad water management.

The heat wave that has gripped Europe this summer has been breaking records across the continent. In Germany, dramatically high temperatures made this July the second hottest since 1901. A 1911 record for the highest July temperature in Britain was broken when a village in Surrey hit 36.5 degrees Celsius (97.7 degrees Fahrenheit). And the Dutch meteorological institute said this July was the hottest month in the Netherlands since temperatures were first measured in 1706.

Even though it has cooled down somewhat in the past few days, last month was still three-and-a-half degrees warmer than average, said Gerhard Müller-Westermaier, an expert in climate monitoring at Germany's National Meteorology Service. He said that the heat wave is part of global warming. "It fits the picture and it will continue to get warmer," Müller-Westermaier said. "We have had a warming of about 0.8 degrees since the beginning of the 20th century and the forecast says that in the next 100 years, we may have temperatures 1.5 to 5.5 degrees warmer. A summer like this one will become a normal summer."

Despite the many summer storms that swept across Germany, the country had less than 70 percent of the average July rainfall. This had a severe impact on the agricultural industry. In the eastern German state of Brandenburg, for example, farmers said their wheat yield was down some 40 to 50 percent. According to Müller-Westermaier, more heat required more precipitation. But he said rainfall trends due to global warming have become more difficult to predict. "The models are not very good, but what they say up to now at least for central Europe is that especially in winter we will have more precipitation," Müller-Westermaier said. "In summer, there will be less precipitation. This is, of course, not a good forecast, so perhaps we will have to change our agricultural production in the future."

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http://www.dw-world.de/dw/article/0,2144,2116999,00.html