Sentences with phrase «glacier water dropped»
Not exact matches
During ice ages, which are mainly driven by rhythmic variations in Earth's orbit and spin that alter sunlight in the Northern Hemisphere, growing ice caps and glaciers trap so much frozen water on land that sea levels can drop a hundred meters or more.
http://www.sciencemag.org/
In the town of Delta Junction, which sits adjacent to the Delta River far downstream from the Jarvis and Gulkana glaciers, the water table drops more than 33 feet each winter as the aquifers drain.