PhysOrg: Analysis of more than 40 years of water samples archived at the Hubbard Brook Experimental Forest (HBEF) in New Hampshire tells a vivid tale of how the sources of precipitation have changed. Over the years, there has been a dramatic increase, especially during the winter, of the amount of water that originated far to the north.
"In the later years, we saw more water derived from evaporation of the Arctic and the North Atlantic oceans," said Tamir Puntsag, a graduate student at the SUNY College...