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Glacial Lakes

All articles tagged with #glacial lakes

environment5 months ago

Juneau Faces Record Flooding and Evacuations Due to Melting Glacier

Flooding in Juneau, Alaska, caused by melting glaciers and potential ice dam failures, prompted evacuations and protective barriers, highlighting the risks of glacial outburst floods which have historically caused significant damage and loss of life worldwide. Climate change is influencing glacier stability and the frequency of such events, though in Alaska, these floods have decreased as glaciers recede, but risks remain at higher altitudes.

via NBC News|
#alaska#climate-change#environment
environment5 months ago

Alaska's Glacial Lakes Rise, Prompting Floods and City Protections

A timelapse video shows the rapid rise of glacial lakes near Juneau, Alaska, leading to major floods caused by glacial outbursts, which are increasingly frequent due to climate change and melting glaciers. Authorities have implemented emergency measures, including flood barriers and evacuation plans, as the region faces its third consecutive year of significant summer flooding.

via USA Today|
#alaska#climate-change#environment
environment5 months ago

Juneau Faces Record Flooding After Glacier Outburst

The Mendenhall River in Juneau, Alaska, reached a record high due to a surge caused by melting from an overflowing glacial lake, linked to accelerated glacier melting driven by climate change. This has led to repeated flooding and evacuations, with scientists warning that rising temperatures are increasing the frequency and severity of glacial lake outburst floods, although future risks may change as glaciers continue to retreat.

via The New York Times|
#alaska#climate-change#environment
earth-science1 year ago

"Reevaluating the Role of Earthquakes in Glacial Lake Outburst Floods"

A new study challenges the assumption that earthquakes are the primary driver of glacial lake outburst floods, suggesting that the triggering processes may be more complex than previously thought. Research in the Andes found that only a small number of earthquakes were associated with outburst floods, and further analysis revealed that seismic activity may not always lead to dam destabilization. The study highlights the need for more research to determine the primary drivers of these floods in order to improve hazard assessments and mitigate their impacts on the environment and communities.

via Phys.org|
#climate-change#earth-science#earthquakes
climate-change2 years ago

Global Threat: Glacial Lake Floods Caused by Climate Change.

Climate change is causing glaciers to melt rapidly, leading to the formation of dangerous glacial lakes that threaten an estimated 15 million people worldwide. Communities in Nepal's Himalayan Mountains are currently grappling with this threat, as scientists work to understand its scope and find ways to protect people in the future. This story is part of the NPR Climate Desk series Beyond the Poles: The far-reaching dangers of melting ice.

via NPR|
#climate-change#climate-desk#floods