LiveScience: Water levels in two of the Great Lakes dipped to record lows in January, but while spring conditions are expected to give these freshwater bodies a seasonal boost, scientists say the ability to forecast long-term trends remains difficult due to climate fluctuations.
"Our uncertainty on future water levels -- which is considerable -- is a direct reflection of our uncertainty on future climates," Drew Gronewold, a hydrologist at the National Oceanic and Atmospheric Administration's Great Lakes Environmental...