"Polar Regions" PPT courseware 6

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"Polar Regions" PPT courseware 6

Why the temperature in Antarctica is much lower than that of the Arctic

The properties of sea and land are different: Antarctica is mainly continent and covered with ice and snow, which reflects strong sunlight, absorbs less heat and releases more heat, while the Arctic is mainly ocean and the ocean releases heat slowly.

Different altitudes: Antarctica is known as the plateau continent, with an average altitude of more than 2,000 meters. Affected by the altitude, the temperature is low

Ocean currents, human activities, etc.………….

do you know?

Antarctica, also known as the Seventh Continent, is the last continent to be discovered and the only continent not inhabited by indigenous people. The Antarctic continent is surrounded by the Southern Ocean and is about 12,000 kilometers away from Beijing, China.

Antarctic Great Wall Station

The Great Wall Station was completed on February 10, 1985. It is located in the southern part of King George Island, South Shetland Islands, West Antarctica (62°S, 58°W). It has 25 various buildings. In addition to advanced communication equipment and comfortable living conditions In addition, it also has a relatively complete scientific laboratory equipped with various instruments and equipment for scientific research.

Antarctic resources

The Antarctic region is rich in mineral resources! The reserves of coal, iron and oil rank first in the world. In Antarctica, ice and snow resources are also abundant. 72% of the world's available fresh water is stored there. In Antarctica, marine biological resources are also very rich. For example, seals, giant whales, penguins, krill and other precious animals can be seen in Antarctica...

China Arctic Scientific Research Station—Yellow River Station

Arctic Yellow River Station - China's first Arctic scientific research station, established on July 28, 2004. The Arctic Yellow River Station is located at 78 degrees 55 minutes north latitude and 11 degrees 56 minutes east longitude. On the map, it is located in the Ny-Alesund area of ​​the Spitsbergen Islands in Norway. It is the third station in my country after the Antarctic Great Wall and Zhongshan Station. A polar research station. China has also become the eighth country to establish an Arctic scientific research station in Norway's Spitsbergen Islands.

Polar bears, also called white bears, are the largest species of bears. They are huge and can reach more than 2.5 meters in length. They are 1.6 meters tall when walking and weigh up to half a ton. Polar bears have amazing strength and endurance. They can run at speeds of up to 60 kilometers per hour, but they cannot last long. It has thick and flexible limbs, especially its front palms, which are powerful and can be fatal with one palm.

Protect Antarctic animal resources

Xinhua News Agency News: The Japanese whaling fleet returned from Antarctica in a mighty manner. The fleet was fully loaded with 440 hunted whales and docked at a Japanese port. The Japanese government organizes a whaling fleet to hunt whales in Antarctica every year, completely ignoring the international community's calls to ban whaling!

Protecting the polar regions means protecting human beings themselves

March 23 is World Meteorological Day. In order to raise global awareness of the importance of changes in Arctic sea ice and Antarctic ice sheets and promote the international community's protection of polar ecosystems, the World Meteorological Organization established the "International Polar Year". In conjunction with the official launch of the International Polar Year, the World Meteorological Organization has set the theme of World Meteorological Day 2007 as "Polar Weather: Understanding Global Impacts".

Global warming has caused the polar ice to decrease, which not only affects the flora and fauna and indigenous inhabitants of the North and South Poles, but also affects the only planet on which all mankind depends for survival. Therefore, protecting the polar regions means protecting humans themselves.

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"Polar Regions" PPT courseware download:

"Polar Regions" PPT courseware download Part One: Ice-covered regions There are very special regions at the northern and southern ends of the earth: the Arctic and Antarctic regions. The Arctic region, located at the northernmost point of the Earth, is the vast area north of latitude 66.5 (Arctic Circle).

"Polar Regions" PPT download:

"Polar Regions" PPT Download Part One: Learning Objectives: 1. Use maps to tell the latitudes, sea and land locations of the North and South Poles. 2. Use data to describe the special characteristics of the natural environment in the polar regions. 3. Understand scientific expeditions in the Antarctic region. 4. Name two...

"Polar Regions" PPT:

"Polar Regions" PPT Part One Content: Introduction of new courses Course standards 1. Understand the special natural environment of the polar regions. 2. Understand the reasons for carrying out scientific expedition activities and environmental protection in the polar regions. 3. Cultivate the concept of sustainable development. 4. Stimulate scientific learning..

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Update Time: 2024-11-25

This template belongs to Geography courseware People's Education Edition Geography for Seventh Grade Volume 2 industry PPT template

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