What makes antarctica an extreme environment

    what makes antarctica an extreme environment

    The antarctic

    Feb 25,  · The marine environments of the Antarctic are less extreme than their terrestrial counterparts. Marine organisms, by and large, are not exposed to desiccation and the thermal buffering effect of the water restricts variations in temperature. The marine environment is, Estimated Reading Time: 9 mins. Antarctica is an extreme environment because it is cold, dry and experiences long periods of darkness. This is because Antarctica is located at the south of the world and it thus receives very.

    Asked by Wiki User. A space is an extreme environment because it no environnent, food, and oxygen. It makes an extreme environment because of the extreme temperatures. It is the scarcity of water, that makes deserts an extreme environment. Antarctica is polar, qntarctica the environment is considered the most extreme on earth: Antarctica is the coldest continent.

    At enviromnent half of the year, the continent is pointed away from the sun. Generally, tourists are awed by the sights in Antarctica and report feeling privileged to have been able to tour this extreme environment. Because there are no children living in Antarctica, Santa avoids this extreme environment on his holiday rounds. Because it's an extreme environment and also there are aurora, 24 hours of sunlight in some places, no sovereignty, and more! Any and whah of the Antarctica is a 'tourist' attraction, because of its spectacular landscape and extreme environment.

    Yes, you could assume that he died of the extreme weather enviromment in the environment of Antarctica. They are extreje humans generally do not live.

    They have extreme temperatures or weather conditions. There is no native or permanent population on Antarctica. People who live and work there temporarily are issued extreme cold weather gear, so that they can survive the extreme polar environment.

    It is not extreme at all. An extreme habitat is supposed to challenge your survival tactics. Antarctica is an extreme polar environment. Challenges are based in the extreme cold, dry, darkness, wind and elevation.

    All of these challenges can be addressed given property equipment and training. Scientists are measuring the ice cap and looking at the what the atmosphere was like a long time ago. You could not what are the side effects of methylphenidate in it.

    There is no mining on Antarctica--it is prohibited by the Antarctic Treaty which governs all land south of 60 degrees S.

    Mining in any extreme environment, especially a polar environment, would what makes antarctica an extreme environment difficult, because extreme environments limit operating abilities of petrol fueled, mechanically leveraged antarcfica, and lubricants.

    Everything freezes in extreme polar environments. Common sense and safety training as to the dangers of this extreme environment are the best ways to avoid accidents. People who are unhealthy, either physically or mentally, are cautioned not to venture into this extreme environment. Antarctica is a polar desert with about five percent humidity, very strong Katabatic winds, months of darkness -- no sun rises, and extreme polar cold. Either it can be extremely cold or hot, have no or zn water, or no air to breathe.

    That's what makes an environment extreme I don't how to be successful as a personal trainer about environmennt, but that answer was for humans. Basically, the environment has to be not meeting extremd basic needs of human life, which are:WaterFoodAirShelter. Mining in Antarctica is banned because it is the onlypristine and untouched environment in the world. Mining is banned because it wreaks the environment of Antarctica for all its fauna and flora and also makes the hole in the ozone layer grow bigger.

    The extreme cold is the biggest danger. Generally, the continent is so cold that there is no food chain: nothing can live naturally in its extreme cold environment. Antarctica has extreme conditions because it is so close to the South Pole.

    It is the coldest place on the planet. Antarctica is the most extreme climate on earth -- its natural hazard being its extreme cold weather. Ask Question. See Answer. Top Answer. Wiki User Answered Related Questions. What makes space an extreme environment? What makes deserts an extreme extreke Why is the Antarctic an extreme environment? What do tourists say about the environment in Antarctica? Does Antarctica have a Santa Claus? What makes Antarctica so special? What a good tourist attraction in antarctica?

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    Yes, Antarctica is the land of extremes. It is the coldest, windiest, and highest continent on earth. With an average elevation about 2, meters above sea level it is the highest continent. Aug 11,  · Extreme Environments: Antarctica — Farming in a Frozen Wasteland Botanical Revolution. The first person to grow plants in Antarctica was botanist Dr Reginald Koettlitz. A part of the The Antarctica of the Past. When people imagine growing food in Estimated Reading Time: 6 mins. The Antarctic environment is the most extreme on earth: coldest, windiest, darkest continent. The extreme environment including cold and weather combined to cost Captain Scott his life. What makes.

    Antarctica is a vast, unspoiled continent that challenged explorers and inspired dreamers through the centuries. It is a place of beauty and mystery, covered with ice miles deep.

    But we just call it home. The Antarctic continent is a land mass covered with ice up to 13,ft 4km thick. It covers 8,, square miles 13,, square kilometers. Antarctica is the highest continent on Earth: average elevation is 8,ft m.

    The elevation at the South Pole is 9,ft m. Mount Vinson is the highest mountain in Antarctica at 16,ft m. Antarctica is the driest continent on earth. Antarctica is the coldest continent on earth. The lowest temperature ever recorded on earth was Antarctica is the windiest continent on earth. Winds flow down the coastal slopes under the influence of gravity. Speeds of these katabatic winds have been recorded up to miles per hour kilometers per hour. South America, whose tip is shared by Chile and Argentina, is the closest continent to Antarctica.

    It is miles km from Ushuaia, the southern-most city of Argentina, to the Argentine station, Vice Comodoro Marambio, at the tip of the Antarctic Peninsula.

    If all of this ice were to melt, sea levels would rise about ft 60m. West Antarctica, which includes the Antarctic Peninsula, is smaller and consists of four land units each with a different history. There has been major volcanic activity here in recent geological times and there are still a few active volcanic centers. Deep waters exist between land units and the West Antarctic Ice Sheet, which can be considered to a be floating ice mass held in place by land peaks.

    The West Antarctic Ice Sheet has been of recent concern because of the real, if small, possibility of its collapse. If the sheet were to break down, ocean levels would rise by several metres in a relatively geologically short period of time, perhaps a matter of centuries. ALE has been supporting researchers from the University of New South Wales who are investigating how West Antarctica has responded to temperature changes in the recent geological past.

    Most of East Antarctica is still not well known by geologists but it does include the Transantarctic Mountains. The shield is very depressed in the centre, where it carries the bulk of the Antarctic ice sheet.

    Large areas lie deeper than 3,ft m below sea level. Peaks in the Transantarctic Mountains commonly exceed 13,ft m elevation. Another well-known volcano is found on Deception Island, which is famous for a giant eruption in The mile-wide km crater lies hidden more than a mile beneath the East Antarctic Ice Sheet. And the gravity measurements that reveal its existence suggest that it could date back about million years — the time of the Permian-Triassic extinction, when almost all animal life on Earth died out.

    Its size and location — in the Wilkes Land region of East Antarctica, south of Australia — also suggest that it could have begun the breakup of the Gondwana supercontinent by creating the tectonic rift that pushed Australia northward.

    More than one hundred and forty five subglacial lakes have been discovered beneath the Antarctic ice sheet. These lakes have been isolated from the surface for considerable periods of time and each represents a unique environment. The UK based Subglacial Lake Ellsworth Consortium aimed to explore Lake Ellsworth to look for life in the lake and acquire records of past ice and climate change.

    More than million years ago, Antarctica, along with Africa, South America and peninsular India, was part of the supercontinent Gondwana. Over time, Gondwana gradually broke apart and Antarctica drifted to its present location centered at 90S latitude.

    Ultimate separation of Australia and South America from Antarctica about 35 million years ago created a circumpolar current that resulted in an isolated continent. This in turn led to long-term snowfall and preservation of glaciers and an eventual ice sheet, beginning some 14 million years ago.

    Like all other continents, Antarctica has at its core an ancient shield. The rocks of the East Antarctica shield are as old as 4 billion years, which means that they are amongst the oldest known rocks on Earth. The only anomalous area of West Antarctica is the Ellsworth Mountains region, where the stratigraphy is more similar to that of the Transantarctic Mountains and East Antarctica. This suggests that the Ellsworth Mountains must have broken away from a direct connection to the Transantarctic Mountains and rotated 90 degrees to reach their present location in West Antarctica.

    Perhaps the historically most significant evidence of earlier vegetation, well preserved in Antarctica, is the leaf form Glossopteris which was at the heart of the concept of Gondwana, an hypothesis first proposed to explain the widespread distribution of glacial rocks and Glossopteris.

    While they had jettisoned almost everything else on the way back, they recognised the immense scientific importance of Glossopteris and refused to leave the specimens behind. These are some million years old. Read more www. The main known mineral resource on the continent is coal. It was first recorded near the Beardmore Glacier by Frank Wild on the Nimrod Expedition, and now low-grade coal is known across many parts of the Transantarctic Mountains. The Prince Charles Mountains contain significant deposits of iron ore.

    The most valuable resources of Antarctica lie offshore, namely the oil and natural gas fields found in the Ross Sea in The Protocol on Environmental Protection to the Antarctic Treaty prohibits all activities relating to Antarctic mineral resources, except for scientific research.

    Antarctica is a frozen desert with little precipitation; the South Pole itself receives less than 4 inches 10cm per year, on average. Temperatures reach a minimum of between F C and F C in the interior in winter and reach a maximum of between 41F 5C and 59F 15C near the coast in summer.

    East Antarctica is colder than its western counterpart because of its higher elevation. Weather fronts rarely penetrate far into the continent, leaving the center cold and dry. Despite the lack of precipitation over the central portion of the continent, ice there lasts for extended time periods. Heavy snowfalls are not uncommon on the coastal portion of the continent, where snowfalls of up to 48 inches 1.

    At the edge of the continent, strong katabatic winds off the polar plateau often blow at storm force. In the interior, however, wind speeds are typically moderate.

    During summer, more solar radiation reaches the surface during clear days at the South Pole than at the equator because of the 24 hours of sunlight each day at the Pole. Sunburn is often a health issue as the snow surface reflects almost all of the ultraviolet light falling on it. Antarctica is colder than the Arctic for two reasons. First, much of the continent is more than 2 miles 3km above sea level and temperature decreases with elevation. The flora of the Antarctic consists of around lichens, mosses, liverworts, around terrestrial and aquatic algal species, an unknown number of mostly microscopic fungi, and 2 flowering plants.

    The main factor that determines the distribution of terrestrial plant life in Antarctica is the availability of free water. A lichen is a organism formed from the symbiotic association of certain fungi and usually green algae. Lichens occupy many different habitats, often in extreme environments. Three main types of lichens exist in Antarctica. Crustose lichens, which form a thin crust on the surface of the substrate they grow on; foliose lichens, which form leaf like lobes; and fruticose lichens which have a shrubby growth habit.

    Lichens have very slow growth rates. Lichens have a number of adaptations that enable them to survive in Antarctica. They are able to exhibit net photosynthesis while frozen at temperatures as low as -4F C. They can absorb water from a saturated atmosphere when covered by snow. Additionally, snow cover affords protection from the elements and most growth appears to occur when they are buried beneath at least a thin protective layer of snow.

    They can survive long unfavourable periods of drought in a dry and inactive state. In continental Antarctica, many lichens are able to absorb water vapour from snow and ice. Few terrestrial vertebrates live in Antarctica. Invertebrate life includes microscopic mites, lice, nematodes, tardigrades, rotifers, krill and springtails. Recently ancient ecosystems consisting of several types of bacteria have been found living trapped deep beneath glaciers. The flightless midge Belgica antarctica, up to 0.

    The snow petrel is one of only three birds that breed exclusively in Antarctica. The wide variety of marine animals includes blue whales, orcas, colossal squids, fur seals, and several species of penguins. While searching for marine reptile bones, reasearchers came across unusual bones on the ocean bottom near James Ross Island.

    The team eventually concluded that they had found a species of dinosaur never previously recorded. Antarctic Environment. The coldest, highest, windiest, driest continent on Earth Antarctica is a vast, unspoiled continent that challenged explorers and inspired dreamers through the centuries. Size The Antarctic continent is a land mass covered with ice up to 13,ft 4km thick.

    Elevation Antarctica is the highest continent on Earth: average elevation is 8,ft m. Precipitation Antarctica is the driest continent on earth. Geology More than million years ago, Antarctica, along with Africa, South America and peninsular India, was part of the supercontinent Gondwana. Climate Antarctica is a frozen desert with little precipitation; the South Pole itself receives less than 4 inches 10cm per year, on average.

    Flora The flora of the Antarctic consists of around lichens, mosses, liverworts, around terrestrial and aquatic algal species, an unknown number of mostly microscopic fungi, and 2 flowering plants. Fauna Few terrestrial vertebrates live in Antarctica. Related Photos. Executive Committee Range volcanoes, including Mt. Related Posts. Ice Core Research and Climate Travel and the Environment: Where Non-native Species: A Threat to


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