antarctica Archives - Disasters News

Dec122024 by Editor DeskNo Comments

Antarctic ‘Plastisphere’ A New Ecosystem with Hidden Dangers Surprisingly

Breaking News, Climate Actions, Environment, Fact Check

Antarctica, often considered the last pristine frontier, is no longer untouched by human activity and its environmental consequences. Plastic pollution, a hallmark of human impact, has given rise to a unique ecological phenomenon: the plastisphere—microbial communities colonizing plastic debris in the ocean. While offering intriguing scientific insights, this ecosystem poses significant threats to marine life and global ecological balance. When plastic enters the ocean, it provides surfaces for microbial communities to colonize rapidly, forming biofilms. This collection of organisms known as the plastisphere evolves through ecological succession into a complex network of microbes. These communities can carry harmful pathogens, such as Vibrio spp. and antibiotic-resistant bacteria, sprea...

Oct82024 by Editor DeskNo Comments

Study Shows Tenfold Increase in 40 Years Massive Surge in Antarctic Vegetation as Climate Change Accelerates

Breaking News, Climate Actions, Disasters

The Antarctic Peninsula long considered one of the most isolated and inhospitable regions on Earth, is experiencing a dramatic transformation as a result of climate change. A new study has revealed that vegetation cover in the area has increased more than tenfold over the past four decades, with satellite data showing a surge from less than one square kilometer in 1986 to nearly 12 square kilometers by 2021. Published in Nature Geoscience, the research, conducted by the universities of Exeter and Hertfordshire, along with the British Antarctic Survey, highlights the significant acceleration of this "greening" process. Between 2016 and 2021, the expansion rate surged by over 30%, with vegetation spreading by more than 400,000 square meters annually. The extreme warming in the polar regio...

Aug192024 by Editor DeskNo Comments

Antarctica’s Post-Glacial Uplift: A Double-Edged Sword for Future Sea Level Rise

Breaking News, Climate Actions, Disasters

Antarctica, long regarded as a frozen behemoth, is shedding its icy weight, leading to a phenomenon known as post-glacial uplift. This process, where the land rises as the ice melts, is now recognized as a key factor that could dramatically alter projections of future global sea level rise. As the Antarctic ice sheet melts, the weight pressing down on the continent reduces, allowing the land to rise—similar to a sponge expanding after being compressed. This process, called post-glacial uplift, is happening much faster than previously thought. Recent research suggests that this land rebound could either mitigate or exacerbate Antarctica’s contribution to global sea level rise, depending on future fossil fuel emissions. Impact on Global Sea Levels Glaciologists Natalya Gomez from Mc...

Aug122024 by Editor DeskNo Comments

Antarctic Polar Vortex Faces Unprecedented Instability, Raising Global Weather Concerns

Breaking News, Climate Actions, Learning & Developments

The Antarctic polar vortex, a typically stable mass of cold air swirling above Antarctica, is showing alarming signs of instability, with the potential to split for the first time in over two decades. This unprecedented situation could lead to significant warming in Antarctica and trigger extreme weather patterns, including unusually hot and dry summers in Australia and South America, according to recent reports from the New Scientist. This year, the polar vortex has weakened dramatically, with wind speeds plummeting to unprecedented levels. This weakening has allowed cold air to escape from Antarctica while warmer air has moved in, causing the vortex to shift from its usual position. As a result, regions in Australia, New Zealand, and South America have experienced unusually cold weath...

May272024 by Editor DeskNo Comments

Antarctica’s Brunt Ice Shelf Calves Massive Iceberg A-83, Signals Ongoing Environmental Shift

Breaking News, Climate Actions, Environment

On May 20th, 2024, Antarctica witnessed yet another significant iceberg calving event as a massive iceberg measuring 380 square kilometers (approximately 147 square miles) broke off from the Brunt Ice Shelf. This event, designated A-83 by the U.S. National Ice Center, marks the third major iceberg calving in the region within the past four years. The separation of iceberg A-83 was captured by two Earth Observation satellites: the European Space Agency's Copernicus Sentinel-1 and NASA's Landsat 8 satellites. These satellites provided radar imaging and thermal data, respectively, allowing scientists to monitor the effects of climate change on remote regions like Antarctica. Routine monitoring of ice shelves by satellites enables scientists to track changes in ice dynamics and structura...

May122024 by Editor DeskNo Comments

India’s Antarctic Research to Feature in School Textbooks

Breaking News, Climate Actions, Disasters, Idea & Innovations

India's significant contributions to research in the Arctic, Antarctica, and the Himalayas are set to become part of school textbooks, as the Union Ministry of Earth Sciences collaborates with the National Council for Educational Research and Training (NCERT) to incorporate the latest developments into the curriculum. Ravichandran, Secretary of the Ministry of Earth Sciences, revealed that NCERT has formed a committee tasked with highlighting the importance of research in these regions, including Antarctica, the Arctic, the Himalayas, and climate change, in school textbooks. This initiative aims to update the content, which currently lacks recent advancements in Antarctica, Arctic, and Himalayan research. Following a rationalization exercise during the COVID-19 pandemic, certain to...

Apr182024 by Editor DeskNo Comments

Mount Erebus Unveils its Hidden Treasure: Daily Eruption Reveals a Golden Windfall in the Antarctic Skies

Breaking News, Climate Actions

Mount Erebus, Antarctica's Active Volcano, Discovered Emitting Valuable Gold Dust into the Atmosphere, Unveiling a Daily Treasure Trove Worth Thousands of Dollars, Reports New York Post. Recent Findings Illuminate the Geological Phenomenon of Mount Erebus, Disclosing its Daily Contribution of Approximately 80 Grams of Crystallized Gold, Valued at Almost $6,000 (Rs 5 lakh), Revealed Through Astonishing Atmospheric Dispersion. NASA's Earth Observatory Observes Mount Erebus' Unique Geological Activity, Evidencing Regular Emissions of Gas, Steam, and Occasional Rock Fragments, Attributed to its Strategic Position Above a Thin Crust, Facilitating the Upward Movement of Molten Rock from Earth's Interior. Conor Bacon, Researcher from Lamont-Doherty Earth Observatory at Columbia Universit...