Antarctica
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The document discusses Antarctica as the world's last great wilderness. It notes that Antarctica is covered in ice, extremely cold and remote, and protected by the Antarctic Treaty which bans mining and manages wildlife. While tourism and fishing activities occur, international cooperation works to limit environmental impacts. The document also highlights discoveries in Antarctica about climate change, the ozone layer, and potentially life under the ice. It describes the ice sheet and potential sea level rise if it were to melt. Future research may explore life in subglacial lakes and obtain longer climate records to better understand climate change.
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Antarctica old textbook Class 8 PPT
Antarctica PPT according to AndhraPradesh from Class -8 Old Text book. Antarctica Landscape, Antarctica Location and Extent
Antarctica presentation
The document provides an overview of Antarctica, including its geological history and formation over time. Key events summarized are the hypothetical concept of "Terra Australis" on early world maps, explorers first sighting and landing in Antarctica in the early 19th century, and Roald Amundsen becoming the first person to reach the South Pole in 1911. The document also briefly outlines some Antarctic wildlife, such as penguins, seals and fish that have adapted to the freezing temperatures.
Antarctica
Antarctica is the southernmost continent, located around the South Pole. It is the coldest, driest, windiest continent and holds 90% of the world's ice and 70% of its fresh water. Antarctica is covered by a vast ice sheet that is on average 7,200 feet thick. If the ice melted, sea levels would rise 230 feet and flood many coastal cities. No permanent human residents live in Antarctica, though about 4,000 scientists reside there seasonally. Several countries have claimed ownership of parts of Antarctica but it is governed by an international treaty.
Antarctica introduction ppt
This document provides information about Antarctica, including its geography, climate, people, and ice. Antarctica is the coldest, windiest, and driest place on Earth, located at the South Pole and covered in permafrost. It has an average temperature of -128.6°F and receives less than 2 inches of snowfall per year on average. While there are no permanent human residents, about 4,000 people visit seasonally for scientific expeditions. The ice in Antarctica can be up to 15,000 feet thick, equaling approximately 3 miles.
History and fun facts about Antactica
This document provides an overview of Antarctica, including:
1. Antarctica's sea ice is expanding in some areas and shrinking in others, influenced by wind patterns. The Antarctic ice sheet is diminishing while frozen seawater increases.
2. Antarctica has ideal conditions for collecting meteorites due to the stark contrast against the snow and ice, and the environment preserves meteorites for millions of years.
3. Two annual marathons are held in Antarctica despite it having no permanent residents. Participants face extreme cold, wind and unpredictable conditions.
4. Tourism is centered around the Antarctic Peninsula which has a milder climate and is home to penguin and seal breeding grounds. Cruise ships bring an average of
Antarctica
Antarctica is the fifth largest continent located around the South Pole. It has a total area of around 14.2 million square kilometers in the summer. Antarctica is divided into Western and Eastern regions and has the coldest, windiest and driest climate on Earth, with recorded temperatures as low as -88 degrees Celsius. Despite its harsh conditions, Antarctica receives around 4,000 seasonal visitors but has no permanent residents.
Antarctica powerpoint-
Captain James Cook was the first to enter the Antarctic circle in 1774. In 1840, Jules Dumont d'Urville became the first person to set foot on Antarctica. The four most important Antarctic explorers were Roald Amundsen, Ernest Shackleton, Robert Falcon Scott, and Richard E. Byrd. The Greeks were among the first to believe that another land could exist in the southern hemisphere opposite their known world.
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Antarctica old textbook Class 8 PPT
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Antarctica presentation
The document provides an overview of Antarctica, including its geological history and formation over time. Key events summarized are the hypothetical concept of "Terra Australis" on early world maps, explorers first sighting and landing in Antarctica in the early 19th century, and Roald Amundsen becoming the first person to reach the South Pole in 1911. The document also briefly outlines some Antarctic wildlife, such as penguins, seals and fish that have adapted to the freezing temperatures.
Antarctica
Antarctica is the southernmost continent, located around the South Pole. It is the coldest, driest, windiest continent and holds 90% of the world's ice and 70% of its fresh water. Antarctica is covered by a vast ice sheet that is on average 7,200 feet thick. If the ice melted, sea levels would rise 230 feet and flood many coastal cities. No permanent human residents live in Antarctica, though about 4,000 scientists reside there seasonally. Several countries have claimed ownership of parts of Antarctica but it is governed by an international treaty.
Antarctica introduction ppt
This document provides information about Antarctica, including its geography, climate, people, and ice. Antarctica is the coldest, windiest, and driest place on Earth, located at the South Pole and covered in permafrost. It has an average temperature of -128.6°F and receives less than 2 inches of snowfall per year on average. While there are no permanent human residents, about 4,000 people visit seasonally for scientific expeditions. The ice in Antarctica can be up to 15,000 feet thick, equaling approximately 3 miles.
History and fun facts about Antactica
This document provides an overview of Antarctica, including:
1. Antarctica's sea ice is expanding in some areas and shrinking in others, influenced by wind patterns. The Antarctic ice sheet is diminishing while frozen seawater increases.
2. Antarctica has ideal conditions for collecting meteorites due to the stark contrast against the snow and ice, and the environment preserves meteorites for millions of years.
3. Two annual marathons are held in Antarctica despite it having no permanent residents. Participants face extreme cold, wind and unpredictable conditions.
4. Tourism is centered around the Antarctic Peninsula which has a milder climate and is home to penguin and seal breeding grounds. Cruise ships bring an average of
Antarctica
Antarctica is the fifth largest continent located around the South Pole. It has a total area of around 14.2 million square kilometers in the summer. Antarctica is divided into Western and Eastern regions and has the coldest, windiest and driest climate on Earth, with recorded temperatures as low as -88 degrees Celsius. Despite its harsh conditions, Antarctica receives around 4,000 seasonal visitors but has no permanent residents.
Antarctica powerpoint-
Captain James Cook was the first to enter the Antarctic circle in 1774. In 1840, Jules Dumont d'Urville became the first person to set foot on Antarctica. The four most important Antarctic explorers were Roald Amundsen, Ernest Shackleton, Robert Falcon Scott, and Richard E. Byrd. The Greeks were among the first to believe that another land could exist in the southern hemisphere opposite their known world.
Antarctica
Antarctica has no permanent residents or capital city. The most commonly spoken language is Russian. Food consists mostly of frozen and canned items like meat, seafood, and produce. Animals include penguins, seals, polar bears, and Arctic foxes. The only two flowering plant species are Antarctic hair grass and Antarctic pearlwort. Housing includes scientific research stations, huts, and igloos. Visitors are typically tourists and scientists. Winter clothing is essential due to freezing temperatures. The currency is the Antarctic dollar. A monument on King George Island honors the Antarctic Treaty and environmental protection of the continent.
Antarctica
The document discusses pollution in Antarctica from human activities. It notes that 98% of Antarctica is covered by thick ice sheets, and if all the ice melted, sea levels would rise 60 meters. Various forms of pollution like heavy metals, waste, and increased CO2 levels are degrading the Antarctic environment. The melting of Antarctic ice sheets is accelerating due to global warming, which could cause sea level rise and threaten wildlife like penguin populations. Several countries are working to implement sustainable practices and environmental protections for Antarctica through international agreements. Unchecked pollution poses risks not just for Antarctica but for global ecosystems and sea level rise.
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Polar region Notes on various Polar ecosystems including Arctic, Antarctic, ...
The document discusses the key features of polar regions, tundra, and taiga biomes. It describes the polar regions as located around the North and South Poles, with freezing temperatures year-round. Tundra is found in the Arctic and has a short growing season with shrubs, mosses, and sedges. Taiga is the boreal forest found in northern regions, with coniferous trees and cold winters with snow. Common animals in these regions include polar bears, caribou, and birds that migrate seasonally.
Antartica: Flora and Fauna
The document discusses the plant life found in Antarctica. It notes that the majority of the continent is covered in ice and snow, leaving less than 1% available for plant colonization. The only two flowering plant species are Antarctic hair grass and Antarctic pearlwort. There are also approximately 100 species of mosses, 25 species of liverworts, 300-400 species of lichens, and 20 species of fungi. Lichens in particular can survive long periods of drought and absorb water from snow and ice. The sub-Antarctic islands have a more diverse flora due to their milder climate.
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The continents
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The document discusses the seven continents of the world: Asia, Africa, North America, South America, Europe, Antarctica, and Australia. It provides key facts about each continent, including their sizes, locations, geographic features, climates, animals, and populations. Asia is the largest continent covering one-third of the world's land. The continents vary greatly from densely populated places to icy Antarctica which is covered in ice year-round.
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polar climate region
Polar climate regions are found at the North and South poles and are characterized by long, cold winters with very little precipitation. They have average temperatures below 10°C year-round. Two main types are tundra climate, which has at least one month above 0°C, allowing some plants to grow, and ice cap climate, where no month rises above freezing and only ice exists. Locations include coastal Greenland with tundra climate and Antarctica which has a predominant ice cap climate. Fauna in the regions have adapted thick fur/feathers and ability to maintain body heat.
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South america physical
The Andes mountains run the entire length of South America. They contain unique ecosystems like the páramo between the forest line and snow line. South America also contains the world's driest desert (the Atacama), the highest commercially navigable lake (Lake Titicaca), and the fertile Pampas grasslands. The mighty Amazon river basin drains much of north Brazil and contains the greatest biodiversity on Earth in the Amazon rainforest.
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Geography of North america
Hello Friends,
I have made this PPT on the Geography of North America. I have covered almost each and every topic related to it. So, you're welcome!
Thanks!
North america
North America is located between the Pacific Ocean to the west, the Atlantic Ocean to the east, and the Arctic Ocean to the north. It contains several countries including the USA, Canada, and Mexico. The climate and environment varies greatly from region to region, ranging from tropical rainforests to grasslands to tundra. Many different animal species have adapted to these diverse landscapes across the continent.
Tundra
The tundra is an arctic biome characterized by cold temperatures and permafrost. It has a short growing season and sparse vegetation like dwarf shrubs, sedges, and wildflowers. Animal life includes caribou, Arctic foxes, and birds. There are two types of tundra: Arctic tundra located around the polar regions and alpine tundra found at high elevations. Permafrost and low precipitation limit plant growth in the tundra.
Tundra Biome - A descriptive study
In this ppt we have followed the under given points
1. Biome definition
2. Biome types
3. Tundra Biome definition
4. Tundra Biome characteristics
5.Types of Tundra Biome
6. Climate of Tundra Biome
7. Soil of Tundra Biome
8. Plants, their characteristics and their adaption.
9. Animals,their characteristics and adaptions
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11. Human effect on Tundra region
12. Problems in Tundra region and
13. solution of tundra region.
Antarctica
Antarctica is the coldest, driest, windiest, highest, and least accessible continent. It has been covered in ice for the last 25 million years and is home to a diverse ecosystem including seals, penguins, and fish. The Antarctic Treaty, agreed to by 44 countries, designates Antarctica as a natural reserve devoted to peace and science. It bans mining and requires unanimous agreement for revisions. The Antarctic is one of the most strictly protected regions in the world and continues to provide insights into climate change and other global phenomena through ongoing scientific study.
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Antarctica
Antarctica has no permanent residents or capital city. The most commonly spoken language is Russian. Food consists mostly of frozen and canned items like meat, seafood, and produce. Animals include penguins, seals, polar bears, and Arctic foxes. The only two flowering plant species are Antarctic hair grass and Antarctic pearlwort. Housing includes scientific research stations, huts, and igloos. Visitors are typically tourists and scientists. Winter clothing is essential due to freezing temperatures. The currency is the Antarctic dollar. A monument on King George Island honors the Antarctic Treaty and environmental protection of the continent.
Antarctica
The document discusses pollution in Antarctica from human activities. It notes that 98% of Antarctica is covered by thick ice sheets, and if all the ice melted, sea levels would rise 60 meters. Various forms of pollution like heavy metals, waste, and increased CO2 levels are degrading the Antarctic environment. The melting of Antarctic ice sheets is accelerating due to global warming, which could cause sea level rise and threaten wildlife like penguin populations. Several countries are working to implement sustainable practices and environmental protections for Antarctica through international agreements. Unchecked pollution poses risks not just for Antarctica but for global ecosystems and sea level rise.
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The document discusses the key features of polar regions, tundra, and taiga biomes. It describes the polar regions as located around the North and South Poles, with freezing temperatures year-round. Tundra is found in the Arctic and has a short growing season with shrubs, mosses, and sedges. Taiga is the boreal forest found in northern regions, with coniferous trees and cold winters with snow. Common animals in these regions include polar bears, caribou, and birds that migrate seasonally.
Antartica: Flora and Fauna
The document discusses the plant life found in Antarctica. It notes that the majority of the continent is covered in ice and snow, leaving less than 1% available for plant colonization. The only two flowering plant species are Antarctic hair grass and Antarctic pearlwort. There are also approximately 100 species of mosses, 25 species of liverworts, 300-400 species of lichens, and 20 species of fungi. Lichens in particular can survive long periods of drought and absorb water from snow and ice. The sub-Antarctic islands have a more diverse flora due to their milder climate.
Oceans of the world
The document summarizes the major oceans on Earth - the Pacific Ocean is the largest, covering about one-third of the planet's surface. The Atlantic Ocean covers one-quarter, while the Indian Ocean is the third largest, containing about one-eighth of the total ocean area. Together with the Southern Ocean surrounding Antarctica, these bodies of water make up the one global ocean that contains 97% of Earth's water.
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A PowerPoint on the diverse ecosystems of the Arctic and the Antarctic. Climate, Physical features, Flora and Fauna, Human Threats!
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This document provides information about the climates found in Africa. It discusses that Africa has a variety of climates, including Mediterranean, rainforest, savanna, steppe, and desert climates. Key details are provided about the typical temperatures, precipitation levels, and seasonal patterns associated with each climate type. Students are instructed to take notes on the climates of Africa for an upcoming quiz.
The continents
The document summarizes the seven continents of the world: North America, South America, Antarctica, Europe, Asia, Africa, and Australia. It provides details on the location, countries, and some interesting animals found in each continent. It also discusses how all the continents were originally a single landmass called Pangaea before drifting apart over millions of years.
7 continents
The document discusses the seven continents of the world: Asia, Africa, North America, South America, Europe, Antarctica, and Australia. It provides key facts about each continent, including their sizes, locations, geographic features, climates, animals, and populations. Asia is the largest continent covering one-third of the world's land. The continents vary greatly from densely populated places to icy Antarctica which is covered in ice year-round.
Geography of Europe
Europe has diverse geography due to its location between Asia and Africa. It contains many peninsulas and mountain ranges that divide the continent. The Alps and Pyrenees form natural borders, while rivers like the Danube flow through many countries. Europe's climate varies significantly from polar in the north to Mediterranean in the south. Overall, Europe's unique geography and location have shaped its development over the past 200 million years.
polar climate region
Polar climate regions are found at the North and South poles and are characterized by long, cold winters with very little precipitation. They have average temperatures below 10°C year-round. Two main types are tundra climate, which has at least one month above 0°C, allowing some plants to grow, and ice cap climate, where no month rises above freezing and only ice exists. Locations include coastal Greenland with tundra climate and Antarctica which has a predominant ice cap climate. Fauna in the regions have adapted thick fur/feathers and ability to maintain body heat.
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The document summarizes the five major oceans of the world: the Pacific Ocean, the largest and deepest ocean located between Asia/Australia and North/South America; the Atlantic Ocean, the second largest located between Europe/Africa/North America; the Indian Ocean, the third largest located between Africa/Asia/Australia; the Arctic Ocean, the smallest located around the North Pole; and the Southern Ocean surrounding Antarctica. Each ocean is briefly described in terms of location, key waterways, climate patterns, ocean floor features, and surface/ice coverage.
South america project
South America is the fourth largest continent located in the Western Hemisphere. It contains 12 independent countries and French Guiana. The continent varies greatly in geography from the Amazon Rainforest to the Andes Mountains. During the 15th-16th centuries, Spain and Portugal colonized South America and established colonies that gained independence in the 19th century. Today, South America has a population of over 420 million people and a diverse history, cultures, and landscapes. The continent is home to the Amazon River, Andes Mountains, and many unique species of plants and animals.
South america physical
The Andes mountains run the entire length of South America. They contain unique ecosystems like the páramo between the forest line and snow line. South America also contains the world's driest desert (the Atacama), the highest commercially navigable lake (Lake Titicaca), and the fertile Pampas grasslands. The mighty Amazon river basin drains much of north Brazil and contains the greatest biodiversity on Earth in the Amazon rainforest.
North america
North America is the third largest continent, spanning over 24 million square km between latitudes of 7-85 degrees north and longitudes of 20-179 degrees west. Its major physical features include the Canadian Shield of old rocky areas, the Eastern Highlands including the Appalachian Mountains, the vast Central Lowlands agricultural region, and the Western Cordilleras mountain range extending from Alaska to Panama. The climate varies significantly from tundra and taiga in the north to grasslands, Mediterranean, desert, and tropical rainforest zones in the south, influenced by proximity to oceans and mountain ranges. The continent's economy is based around agriculture in the central plains, dairy farming, fishing, and major industries like mining, manufacturing,
Geography of North america
Hello Friends,
I have made this PPT on the Geography of North America. I have covered almost each and every topic related to it. So, you're welcome!
Thanks!
North america
North America is located between the Pacific Ocean to the west, the Atlantic Ocean to the east, and the Arctic Ocean to the north. It contains several countries including the USA, Canada, and Mexico. The climate and environment varies greatly from region to region, ranging from tropical rainforests to grasslands to tundra. Many different animal species have adapted to these diverse landscapes across the continent.
Tundra
The tundra is an arctic biome characterized by cold temperatures and permafrost. It has a short growing season and sparse vegetation like dwarf shrubs, sedges, and wildflowers. Animal life includes caribou, Arctic foxes, and birds. There are two types of tundra: Arctic tundra located around the polar regions and alpine tundra found at high elevations. Permafrost and low precipitation limit plant growth in the tundra.
Tundra Biome - A descriptive study
In this ppt we have followed the under given points
1. Biome definition
2. Biome types
3. Tundra Biome definition
4. Tundra Biome characteristics
5.Types of Tundra Biome
6. Climate of Tundra Biome
7. Soil of Tundra Biome
8. Plants, their characteristics and their adaption.
9. Animals,their characteristics and adaptions
10. Food web, chain and energy pyramid of Tundra Biome
11. Human effect on Tundra region
12. Problems in Tundra region and
13. solution of tundra region.
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Polar region Notes on various Polar ecosystems including Arctic, Antarctic, ...
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Antarctica
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Antarcticalsn1
The document discusses Antarctica, including:
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Should Antarctica Be Developed?
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Antarctica 4 Getting Started
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Antarctica
- 1. THE WORLD’S LAST GREAT WILDERNESS (ANTARCTICA) David C. McDaniel
- 2. THE ANTARCTIC CONTINENT oColdest, driest, windiest, highest, and least accessible continent oWinter population 1000 people, 10,000 in summer o10,000 tourists visit for a few days in summer oIce covered for the last 25 million years oLess than 1% of continent is ice free oOnce the home of dinosaurs, trees and plants oAn insect is the “lion” of the Antarctic
- 3. THE SOUTHERN OCEAN oFifty million seals & 15 million penguins oRegional fishery of global economic value oHistory of over-exploitation. Seals, whales. penguins and fish oFishery for krill and fish regulated by science-backed international body under Antarctic Treaty oPirate fishing due to lack of effective policing oDecline of albatross due to mortality on long lines of tuna fishermen in sub-Tropics
- 4. THE ANTARCTIC TREATY oAntarctica is “a natural reserve devoted to peace and science” oThe Antarctic Treaty manages the region’s wildlife oMining is forbidden oThe Treaty runs indefinitely oForty-four countries have acceded to the Antarctic Treaty (80% of the world population) oAll 44 countries have to agree to Treaty revisions
- 5. “GREEN” FALLACIES ABOUT THE ANTARCTIC oThe Antarctic Treaty expires in 50 years oMining is only banned for 50 years oAntarctica is under threat from developers oPeople working in the Antarctic have polluted the continent oAntarctica still has to be saved oPenguins fall over backwards when planes fly overhead!
- 6. HOME TRUTHS FROM THE ANTARCTIC oThe Antarctic is the most rigorously protected region of the world oThe protection is legally backed oInternational inspection teams monitor compliance with the Antarctic Treaty oMan’s footprint on Antarctica is practically invisible oMore “pollution” enters the region through the atmosphere than is generated there (DDT, CFCs )
- 7. ANTARCTIC DISCOVERIES oThe destruction of the ozone layer oA 400,000 year demonstration of the link between greenhouse gases and climate oThe global impact of the Industrial Revolution oA reduction of the height of the ionosphere consistent with “global warming” oLakes beneath the Antarctic ice sheet believed to contain life forms possibly millions of years old
- 8. THE ANTARCTIC ICE SHEET oIce up to three miles (4500 m) thick oColdest surface temperature -89 degrees C oEnough ice for each person in the world to have a block 180 m by 180 m by 180 m oIf all melted, sea level could rise 65 metres oIf all the glaciers doubled their speed of flow it would take 12,000 years for the ice to float into the Southern Ocean
- 9. FUTURE DEVELOPMENTS IN ANTARCTICA oExploring the largest lake under the ice sheet oObtaining a reliable climate record over half a million years oExploiting natural “antifreeze” in Antarctic organisms oStudying the effects of increased UV-radiation and “global warming” on Antarctic life oCelebrating the centenaries of the historic expeditions of Scott, Shackleton and Bruce
- 10. ANTARCTIC SCHOOLS PACK Fifteen sections : each with worksheet and tasks and resources for multiple photocopying Teachers notes Sent free to every UK secondary school Aimed at A-level standard Written by British Antarctic Survey scientists and an educational advisor Published by the Foreign and Commonwealth Office
- 11. ANTARCTIC SCHOOLS PACK The nature of Antarctica Discovery of Antarctica Living and working in Antarctica Science in Antarctica The Antarctic Treaty System Geology in Antarctica Antarctic ice The Antarctic climate The ozone hole Geospace Terrestrial and freshwater lake ecosystems Marine ecosystems Management and conservation of marine species Environmental protection of Antarctica Tourism in Antarctica
- 12. RESOURCES ON THE WEB www.antarctica ac.uk (British Antarctic Survey) www.asoc.org (The Antarctica Project) www.antarctic.com.au (Antarctic Adventure) www.aad.gov.au/goingsouth/tourism/news (tourism) http://files.fco.gov.uk/info/briefs/antarctic.pdf (Britain and Antarctica briefing