By Ned Rozell
Camped on an island in Southeast Alaska a few mornings ago, Sasha Calvey heard a commotion outside her tent.
“(On Aug. 10) at 5:45 a.m., I woke to a loud roar of rushing water,” the 25-year-old kayaker and outdoor educator said. “Then there was this massive tidal surge just inches away from our tent.”
Calvey and her two friends — on a summer-long paddling trip from Washington state to Glacier Bay in…