Articles tagged with Glaciers
Researchers analyzed growth bands in Antarctic scallop shells to understand climate change, finding a long-term warming trend since the early 1950s. The study also reveals seasonal temperature variations and the impact of glacial meltwater on coastal waters.
The Columbia Glacier, the world's speediest glacier, is on a course to disintegrate due to rapid calving. Researchers expect significantly increased calving events into Prince William Sound, posing a potential hazard to ships.
Boston College scientist Kevin G. Harrison proposes the Silica Hypothesis, which suggests that increasing ocean silica levels can remove carbon dioxide from the atmosphere, slowing global warming. This mechanism may be responsible for decreased atmospheric CO2 levels during glacial times and could be relevant to today's climate change.
A Penn State researcher suggests that increasing oxygen levels may have triggered the first of three past episodes when the Earth became a giant snowball, covered from pole to pole by ice and frozen oceans. The study proposes that low methane levels and high carbon dioxide levels were responsible for the glaciation process.
The Columbia Glacier in Alaska has increased its speed to 35 meters per day, raising concerns among scientists about a rapid decline. The glacier, already the fastest moving glacier in the world, is now expected to retreat at an alarming rate, potentially posing risks to shipping lanes and marine ecosystems.
Ground-penetrating radar is used to map large areas and determine snowfall patterns, providing a record for comparison with climate models. The technology can accurately date ice layers, which is essential for studying glacial cycles and changes in atmospheric chemistry.
A new study reveals that glaciers prompted volcanic eruptions after they retreated north over the past 800,000 years. The research found that volcanoes were subdued when glaciers were present and became active when they retreated, suggesting a possible connection between climate change and volcanic activity.
Researchers at Ohio State University have retrieved the first ice cores from the Dasuopu Glacier, a 40-meter-wide ice field on the Tibetan Plateau. The cores contain glacial stage ice dating back at least 12,000 years and are expected to provide valuable insights into the monsoonal climate system.
The Variegated Glacier surged hundreds of yards by the end of summer, surprising scientists with an early start. Researchers believe the glacier will follow similar surge-and-rest patterns in the future.