Antarctica Wikipedia

Ousland holds the record for the fastest unsupported journey to the South Pole, taking 34 days. Six women were flown to the South Pole as a publicity stunt in 1969.note 6 In the summer of 1996–1997, Norwegian explorer Børge Ousland became the first person to cross Antarctica alone from coast to coast, helped by a kite on parts of the journey. In 1937, Ingrid Christensen became the first woman to step onto the Antarctic mainland.

• About 80 million years ago, flowering plants became the most diverse groups of plants on the continent.
• Invertebrate life of Antarctica includes species of microscopic mites such as Alaskozetes antarcticus, lice, fleas (Glaciopsyllus antarcticus), nematodes, tardigrades, rotifers, krill and springtails.
• This effect is not seen throughout the Antarctic, however, and some parts are experiencing ice melt.The waters surrounding Antarctica are a key part of the “ocean conveyor belt,” a global system in which water circulates around the globe based on density and on currents.
• There are over 70 permanent and seasonal research stations on the continent; the largest, United States’ McMurdo Station, is capable of housing more than 1,000 people.
• Tourism, fishing and research are the main human activities in and around Antarctica.

Climate change

Fueled by nationalist pride and supported by advances in science and navigation, many explorers took on the “Race for the Antarctic.”Explorers first skimmed the boundaries of Antarctica on sea voyages. The greenhouse also serves as a sunroom for sunlight-deprived residents, especially during the long winter months.Political GeographyHistoric IssuesFor many European and North American powers, Antarctica represented the last great frontier for human exploration. It is located in an ice-free area known as the Vestfold Hills. Base Esperanza also houses the first Catholic chapel (1976) and first school (1978) built on the continent. The station is known for a number of Antarctica “firsts.” It is the birthplace of Emilio Marcos Palma, the first person to be born in Antarctica. Additional supplies and personnel are flown in from Christchurch, New Zealand, when weather permits.Base Esperanza, Argentina’s largest Antarctic facility, is located in Hope Bay on the tip of the Antarctic Peninsula.

Antarctica is colder than the Arctic region, as much of Antarctica is over 3,000 m (9,800 ft) above sea level, where air temperatures are colder. Antarctica is the coldest, windiest, and driest of Earth’s continents.Near the coast, the temperature can exceed 10 °C in summer and fall to below −40 °C in winter. The geology of Antarctica, largely obscured by the continental ice sheet, is being revealed by techniques such as remote sensing, ground-penetrating radar, and satellite imagery.

During the early Paleogene, the Antarctic land bridge continued to connect Antarctica with South America as well as to southeastern Australia. In West Antarctica, coniferous forests dominated throughout the Cretaceous period (146–66 Ma), though southern beech trees (Nothofagus) became prominent towards the end of the Cretaceous. There is evidence of a large number of volcanoes under the ice, which could pose a risk to the ice sheet if activity levels were to rise. The ice sheet extends to all but a few oases, which, with the exception of the McMurdo Dry Valleys, are located in coastal areas.

Do any plants grow in Antarctica?

Maritime Antarctica—the islands and coasts—supports more life than inland Antarctica, and the surrounding ocean is as rich in life as the land is barren. Around the Antarctic coast, shelves, glaciers, and ice sheets continually “calve,” or discharge, icebergs into the seas. Ice shelves, or ice sheets floating on the sea, cover many parts of the Ross and Weddell seas.

The Antarctic Peninsula was formed by geologic uplift and the transformation of sea bed sediments into metamorphic rocks. As CO2 levels declined further the ice began to spread rapidly, replacing the forests that until then had covered Antarctica. Models of Antarctic geography suggest that this current, as well as a feedback loop caused by lowering CO2 levels, caused the creation of small yet permanent polar ice caps.

These ecosystems may harbor novel species that have remained concealed for centuries, sustained by nutrient-bearing ocean currents. Researchers uncovered ecosystems unexpectedly rich in large corals, ancient sponges, icefish, giant sea spiders, and even octopuses at depths of up to 1,300 metres (4,300 ft). In January 2025, the detachment of the massive iceberg A-84 (comparable in size to the city of Chicago) from the George VI Ice Shelf provided a rare opportunity to explore the seafloor beneath floating ice shelves using robotic submersibles. Factors that may aid in their distribution include temperature differences between the deep ocean at the poles and the equator of no more than 5 °C (9 °F) and the major current systems or marine conveyor belts which are able to transport eggs and larva. The research found that more than 235 marine organisms live in both polar regions, having bridged the gap of 12,000 km (7,456 mi). The emperor penguin is the only penguin that breeds during the winter in Antarctica; it and the Adélie penguin breed farther south than any other penguin.

Conservation and environmental protection

This has led to speculation that life on Mars might have been similar to Antarctic fungi, such as Cryomyces antarcticus and Cryomyces minteri. An Antarctic endemic species, the crust-like lichen Buellia frigida, has been used as a model organism in astrobiology research. About 1,150 species of fungi have been recorded in the Antarctic region, of which about 750 are non-lichen-forming.

In fact, the waters surrounding Antarctica are among the most diverse on the planet. The Antarctic Bottom Water causes warmer waters to rise, or upwell.Antarctic upwelling is so strong that it helps move water around the entire planet. They say this is happening because of new climate patterns caused by climate change. The heat balance, also called the energy balance, is the relationship between the amount of solar heat absorbed by Earth’s atmosphere and the amount of heat reflected back into space.Antarctica has a larger role than most continents in maintaining Earth’s heat balance. Antarctica’s interior is believed to receive only 50 to 100 millimeters (two to four inches) of water (in the form of snow) every year.

The ‘ozone hole’ covers almost the whole continent and was at its largest in September 2006; the longest-lasting event occurred in 2020. In 1985, British scientists, working on data they had gathered at Halley Research Station on prabhu365 the Brunt Ice Shelf, discovered a large area of low ozone concentration over Antarctica. With global warming being around 3 °C (5.4 °F), vulnerable areas like Wilkes Basin and Aurora Basin may collapse over around 2,000 years, potentially adding up to 6.4 m (21 ft 0 in) to sea levels.