Canada

‘River piracy’ on a high glacier lets one waterway rob another

Kluane Lake
HIGH-WATER ROBBERY The melting of Kaskawulsh Glacier in northwestern Canada diverted water flow from one river into another, plummeting water levels in the waterway that once fed Kluane Lake (shown).

The diversion of headwaters from one stream into another

Ahoy! There be liquid booty on the move in the high mountains. Since May 2016, a channel carved through one of northwestern Canada’s largest glaciers has allowed one river to pillage water from another, new observations reveal. This phenomenon, almost certainly the result of climate change, is the first modern record…