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SitNews - Stories In The News - Ketchikan, Alaska

SitNews - Stories In The News - Ketchikan, Alaska
sitnews.us - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sitnews.us Daily Mail and Mail on Sunday newspapers.

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University of Leeds | News > Environment > Melting glaciers could speed up carbon emissions

Melting glaciers could be triggering a ‘feedback process’ that causes further climate change, according to new research.
An international research team led by the University has for the first time linked glacier-fed mountain rivers with higher rates of plant material decomposition, a major process in the global carbon cycle.
As mountain glaciers melt, water is channelled into rivers downstream. But with global warming accelerating the loss of glaciers, rivers have warmer water temperatures and are less prone to variable water flow and sediment movement. These conditions are then much more favourable for fungi to establish and grow.
Fungi living in these rivers decompose organic matter such as plant leaves and wood, eventually leading to the release of carbon dioxide into the air. The process a key part of global river carbon cycling has now been measured in 57 rivers in six mountain ranges across the world, in Austria, Ecuador, France, New Zealand, Norway ....

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Melting Glaciers Could Speed Up Carbon Emissions Into the Atmosphere

Melting Glaciers Could Speed Up Carbon Emissions Into the Atmosphere
alaska-native-news.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from alaska-native-news.com Daily Mail and Mail on Sunday newspapers.

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Melting glaciers could speed up carbon emissions into the atmosphere

Credit: Lee Brown
The loss of glaciers worldwide enhances the breakdown of complex carbon molecules in rivers, potentially contributing further to climate change.
An international research team led by the University of Leeds has for the first time linked glacier-fed mountain rivers with higher rates of plant material decomposition, a major process in the global carbon cycle.
As mountain glaciers melt, water is channelled into rivers downstream. But with global warming accelerating the loss of glaciers, rivers have warmer water temperatures and are less prone to variable water flow and sediment movement. These conditions are then much more favourable for fungi to establish and grow. ....

United States , New Zealand , University Of Alaska Southeast , Norway General , Les Allues , Alex Dumbrell , Lee Brown , Kate Randall , Scott Tiegs , Sophie Cauvy Frauni , Ulvik Fjellstyre , Kirsty Matthews Nicholass , Jonathan Carrivick , Ian Rosser , School Of Geography , Alaska Climate Adaptation Science Center , Natural Environment Research Council , Finse Alpine Research Centre Norway , Public Metropolitan Company Of Potable Water , Design School , Water Projection Fund , Obergurgl Alpine Research Centre Austria , School Of Life Sciences , Department Of Conservation New Zealand , Oakland University , Parc National De La Vanoise France ,

A wetter and warmer Alaska means dangerously slippery slopes

Climate change is making landslides more likely and preparation vital.
Image credit: Erik Stevens
Dec. 17, 2020
An hour before sundown on Dec. 2, Lilly Ford and her family heard a “strange, low rumble” outside of her home in Haines, Alaska. It lasted about a minute as a 600-foot-wide slurry of timber, mud, soil and debris cascaded down a nearby mountain, through a residential area, and into the ocean. “I couldn’t believe the mountain had swept people and houses away just like that ripped the ground out from under them,” Ford said. “It’s just not something you’d ever anticipate.”
Haines, population 2,500, saw more than 8 inches of rainfall during the first two days of December a total that topped the monthly average by 2 inches. Hundreds of homes on this mountainous peninsula between two inlets and the Canadian border were damaged by floods and debris flows. About 50 households were ordered to evacuate because of landslide dan ....

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