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As glaciers retreat, new streams for salmon

Insects move in, alders and willows spring up, and spawning fish arrive in thousands. Enlarge / Wolf Point Creek is likely the most-well-studied glacier-fed stream in the world. (credit: Elizabeth via Flickr (CC BY-NC 2.0)).....»»

Category: topSource:  arstechnicaApr 1st, 2023

Melting high-mountain glaciers would release greenhouse gases into atmosphere, suggest scientists

The retreat of high mountain glaciers has accelerated since the 1980s, resulting in increased glacier runoff. However, it remains uncertain whether melting mountain glaciers enhance or release greenhouse gases, and whether areas exposed to glacier re.....»»

Category: topSource:  physorgRelated NewsJul 12th, 2024

Scientists call for "major initiative" to study whether geoengineering should be used on glaciers

A group of scientists have released a landmark report on glacial geoengineering—an emerging field studying whether technology could halt the melting of glaciers and ice sheets as climate change progresses......»»

Category: topSource:  physorgRelated NewsJul 11th, 2024

Nissan to retreat on sedans but hang on to ‘Goldilocks" Sentra

Nissan will ditch the Versa after production ends in 2025. The gas-powered Altima will sunset following the 2026 model year and Nissan is undecided on a next-gen......»»

Category: topSource:  autonewsRelated NewsJul 11th, 2024

Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers

Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers.....»»

Category: topSource:  theglobeandmailRelated NewsJul 11th, 2024

Scientists track sea level rise from glaciers in Greenland and Antarctica

As climate change advances, the vast bodies of ice on Antarctica and Greenland contribute significantly to sea level rise. To project their future effect on sea level rise, additional research is required to improve scientists' understanding of these.....»»

Category: topSource:  informationweekRelated NewsJul 9th, 2024

Researchers use 1,000 historical photos to reconstruct Antarctic glaciers before a dramatic collapse

In March 2002, the Larsen B Ice Shelf collapsed catastrophically, breaking up an area about one-sixth the size of Tasmania......»»

Category: topSource:  physorgRelated NewsJul 8th, 2024

Alaska’s top-heavy glaciers are approaching an irreversible tipping point

As the plateau of the icefield thins, ice and snow reserves at higher altitudes are lost. Enlarge / Taku Glacier is one of many that begin in the Juneau Icefield. (credit: Mauricio Handler / Getty Images) The melting of.....»»

Category: topSource:  arstechnicaRelated NewsJul 7th, 2024

Alaska"s top-heavy glaciers are approaching an irreversible tipping point

The melting of one of North America's largest icefields has accelerated and could soon reach an irreversible tipping point. That's the conclusion of new research colleagues and I have published on the Juneau Icefield, which straddles the Alaska-Canad.....»»

Category: topSource:  pcmagRelated NewsJul 6th, 2024

It"s a challenging drive to Washington"s ocean beaches as state spends billions to help fish

It took 50 million years for salmon to evolve and only about 50 years to nearly wipe them out. Now, Washington's native salmon and steelhead populations are getting a reprieve—one stream at a time......»»

Category: topSource:  physorgRelated NewsJul 3rd, 2024

Study suggests faster decomposition rates in waterways could exacerbate greenhouse gas emissions, threaten biodiversity

Humans may be accelerating the rate at which organic matter decomposes in rivers and streams on a global scale, according to a new study from the University of Georgia, Oakland University and Kent State University......»»

Category: topSource:  physorgRelated NewsMay 30th, 2024

Microscopic defects in ice influence how massive glaciers flow, study shows

As they seep and calve into the sea, melting glaciers and ice sheets are raising global water levels at unprecedented rates. To predict and prepare for future sea-level rise, scientists need a better understanding of how fast glaciers melt and what i.....»»

Category: topSource:  physorgRelated NewsMay 30th, 2024

An Iceland volcano starts erupting again, spewing lava into the sky

A volcano in southwestern Iceland erupted Wednesday, spewing red streams of lava in the latest display of nature's power, triggering the evacuation of the popular Blue Lagoon geothermal spa......»»

Category: topSource:  physorgRelated NewsMay 29th, 2024

Researchers investigate changes in surface heat fluxes on sensitive areas for the slopes of Mt Everest

Under the background of global warming, the Mount Everest region has experienced evident climate changes. Glaciers and snow have been rapidly retreating in this region. These changes increase the rate of warming and water scarcity in downstream areas.....»»

Category: topSource:  physorgRelated NewsMay 28th, 2024

"A great sadness": Venezuela is first Andean country to lose of all its glaciers

"A great sadness": Venezuela is first Andean country to lose of all its glaciers.....»»

Category: topSource:  theglobeandmailRelated NewsMay 25th, 2024

Collapse in migratory fish populations threatens health of millions and critical freshwater ecosystems

Populations of migratory freshwater fish species—including salmon, trout, eel, and sturgeon—continue to decline across the globe. This decline risks the food security and livelihoods of millions of people, the survival of countless other species,.....»»

Category: topSource:  pcmagRelated NewsMay 21st, 2024

Alaska"s rusting waters: Pristine rivers and streams turning orange

Dozens of Alaska's most remote streams and rivers are turning from a crystal clear blue into a cloudy orange, and the staining could be the result of minerals exposed by thawing permafrost, finds new research in Communications Earth & Environment......»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

California bans salmon fishing for the season in Sacramento-area rivers and Klamath basin

The California Fish and Game Commission has voted to ban salmon fishing in the Sacramento, American, Feather and Mokelumne rivers......»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

Every summer 2024 gaming showcase: full schedule of live streams

From Summer Game Fest to this June's Nintendo Direct, here's every major video game showcase happening this summer......»»

Category: topSource:  digitaltrendsRelated NewsMay 13th, 2024

Genetic study finds early summer fishing can have an evolutionary impact, resulting in smaller salmon

Atlantic salmon are caught by fisheries when the fish are migrating to spawn. A new study led by the University of Helsinki explored how salmon caught at different times during their spawning migration differ from each other genetically. The study on.....»»

Category: topSource:  physorgRelated NewsMay 8th, 2024

CEO Koji Sato reloads for long-term growth after leading Toyota to record profit, sales, production

Toyota reports across-the-board record results in its just-ended fiscal-year, but it warns earnings will retreat in the current year......»»

Category: topSource:  autonewsRelated NewsMay 8th, 2024