Glacial lakes form when meltwater is trapped behind a dam, usually glacial ice, bedrock or a type of moraine (terminal types being an unconsolidated pile of debris at the maximum extent of the glacier). When a dam fails, ...
The massive Kaskawulsh Glacier in northern Canada has retreated about a mile up its valley over the past century.
Environment
Apr 17, 2017
0
252
(Phys.org) —A new study by Stanford scientists solves a longstanding mystery of how ancient lakes in the western United States grew to such colossal sizes.
Earth Sciences
Jun 6, 2014
13
0
For more than 30 years, climate scientists have debated whether flood waters from melting of the enormous Laurentide Ice Sheet, which ushered in the last major cold episode on Earth about 12,900 years ago, flowed northwest ...
Earth Sciences
Nov 5, 2012
6
1
(PhysOrg.com) -- New research indicates that one of the largest fresh-water floods in Earth's history happened about 17,000 years ago and inundated a large area of Alaska that is now occupied in part by the city of Wasilla, ...
Earth Sciences
Apr 28, 2010
5
1
(PhysOrg.com) -- A team of Anglo-French scientists studying sedimentary deposits in the Bay of Biscay have concluded that Britain and France were separated by a "super-river" during three periods of glaciations, and they ...
The Third Pole, which spans the Tibetan Plateau and the surrounding Himalayas, Hindu Kush, and Tianshan Mountain ranges, is extremely vulnerable to the effects of climate change. Warming temperatures and altered rainfall ...
Earth Sciences
Dec 15, 2023
0
49
In August 2023, residents of Juneau, Alaska, watched as the Mendenhall River swelled to historic levels in a matter of hours. The rushing water undercut the riverbank and swallowed whole stands of trees and multiple buildings.
Earth Sciences
Oct 9, 2023
0
38
A world-first model of paleoclimate and hydrology in Iran has highlighted favorable routes for Neanderthals and modern human expansions eastwards into Asia.
Archaeology
Mar 1, 2023
0
154
In their study published in the journal Nature, researchers characterized more than 1,500 glacial lake outbursts recorded in mountain regions worldwide since 1900 based on water volume, peak discharge, timing and source lake ...
Earth Sciences
Feb 16, 2023
0
22
