This science game helps children practice about the importance of polar regions. It explains about climate, landforms and animals in polar regions.
The climate in the polar regions can be highly volatile and subject to changes in the external climate. Over the past few decades, the global average has warmed by more than twice as much in the northern polar regions' ice sheets and sea-ice patterns. The Southern Polar regions, on the other hand, have seen sea-ice loss and advancement over recent decades. Understanding the climate in these regions is crucial to understanding the impacts of climate change.
Many feedback mechanisms involve biological and biogeochemical cycles. One feedback is called bio-optical feedback. This happens when climate change causes phytoplankton blossoms. The penetrating sun heat flux is trapped at the ocean surface by the blooms, which raises sea temperatures. The decrease in sea ice concentration can be linked to the increased absorption of solar energy. This feedback mechanism is responsible for the observed decrease in polar sea-ice concentration.
The amount of heat lost to the atmosphere in polar regions is a key difference in climate between tropical rainforests and those in the polar region. Each year, the polar regions loses more heat energy than they get. This is why they don't get warmer. The climate is usually very cold for most of the year. However, the climate in tropical rainforests is much warmer. The Arctic Ocean, Antarctica and Greenland border the Arctic Ocean. These continents have a polar climate. Winters are dark and cold, and temperatures stay low.
These extreme environments have forced animals to adapt by developing thick fur and feathers that blend with the white snow. Many animals hibernate during the coldest months. They are also homeothermic, meaning they conserve energy.
The polar regions can be home to many animals and plants despite the cold temperatures. There are approximately 2.5 million seals in the polar regions. Whales, however, are common near the surface of water. Some of these animals, like penguins, can also be found on the land. Antarctica is home to many procellariiformes (or penguins).
The polar bear is one of the most well-known polar animals. It is the largest predator on the planet. There are 19 distinct Arctic populations. Polar bears can weigh between 400 and 700 pounds while their female counterparts are up to 1,540 pounds. With a population of approximately 17,000, the polar bear is also one of the most endangered animals. To survive, it depends on water and ice.
Extreme temperatures and extensive glaciation are two of the characteristics of the polar regions. They are home to high ice levels and swampy coastal plains. These harsh climates have been a challenge for animals and plants, but they have survived and are able to adapt to them. The polar regions are attracting more tourists and there is a growing economic interest in them. International treaties governing the protection of their cultural and natural heritage have placed strict limits on the polar regions.
The polar regions play an important role in the global climate system because of their unique ice sheets, glaciers and ice sheet. Because they have a significant influence on the circulation of air and oceans, even minor changes in the polar regions could have a profound impact on the rest of the globe. Melting polar ice sheet will cause sea levels to rise by 70m worldwide, and flood large stretches of coastline. Understanding the importance and impact of the polar regions is crucial for understanding their significance.
Two main areas make up the polar regions. The Arctic Circle is the northernmost area, and it includes icecaps. While the Antarctica continental landmass is the southernmost, it has the Arctic Circle. They have their own unique climates and landscapes, but they share some similarities. The main difference between the two is the fact that the polar regions get less sunlight than other parts of the globe. The Earth's rotation around the sun means that sunlight doesn't reach all areas of the Earth equally. These regions also receive less sunlight, so the light is spread over a larger area.
The Arctic is home to mountain ranges. The Arctic Circle is home to some of the most remote areas on Earth. The Watkins Mountains in Greenland, which peak at 12,119 feet, are the highest. The Arctic Cordillera also includes the Brooks Range, northern Alaska, and the Richardson Mountains that arc into Yukon. The Polar Regions are rich in geological and landscape features.
Countries that claim to be in the polar regions
Different nations have made territorial claims that have hampered international cooperation in the Arctic region and Southern Ocean. These claims have hampered attempts to establish marine protected zones. These claims also mean that countries with territorial claims often get involved in negotiations. This is seen by observers as an attempt to consolidate those claims. The European Union and Germany recently proposed a protected area in the Weddell sea. Norway opposed the proposal and proposed instead to continue additional research and separate protection measures, based on its results.
Since 1959, countries that have an interest in the polar regions of the globe have worked together and negotiated. The collective management of the southernmost polar region has been made possible by the Antarctic Treaty, signed in 1959. The Arctic Council was created in 1996 to facilitate consultations among countries that have a stake in the region on key policy issues. This multilateral forum for dialogue faces challenges as a result of global geopolitical developments. The instability of the whole world could be affected by the dispute in the region.
Although there are many overlapping territories in the Arctic, sovereignty is generally clear. However, there may be disagreements between countries about the allocation of these territories. The polar region provides valuable resources for nations. It offers natural resources, opportunities for tourism, and research. The Arctic's temperature is rising and the area is warming. However, there are also indigenous peoples who have settled in the region. For thousands of years, the Thule people were living in this region. Their descendants continue to practice their traditional ways.
The Russian Federation also has territorial claims in the Arctic. It claimed vast energy and mineral resources beneath the Arctic ice, expanding its territory to the Arctic Pole in 1935. Canadians were not happy about this claim as many of the islands are Canadian. The Northwest Passage is part Canada's territorial waters and the Coast Guard's Polar Sea crosses it without permission.
Climate change and its impact on the polar regions
The polar regions are experiencing major changes as the Arctic gets warmer and more people move to it. The Arctic's positive feedback mechanism, which amplifies warming due to greenhouse gas emissions, is causing temperatures to rise twice as fast as elsewhere in the world. This trend will continue and affect the whole planet. Although the polar regions may be small, the implications are huge.
Melting sea ice, for example, reduces the number of bright areas on the ocean's surface. This absorbs more solar radiation. Warmer ocean water can also slow down the growth of ice in fall, and speed up its melting in spring. The climate of the planet can be affected by melting sea ice, which can disrupt ocean circulation. Even small temperature increases can have major consequences over time. The consequences of climate change have already been obvious.
The arctic is one of the most fragile regions in the world. An international agreement to limit global warming is essential for preserving these regions. The Arctic has seen rapid changes due to global warming, including melting of sea ice and ice sheets. It has also caused melting of peat bogs, which is a crucial component of polar ecosystems.
Over the past 50 years, the global average temperature has risen more than 1 degree Celsius. The polar regions are warming up faster than any other parts of the globe. In Alaska, for example, the average temperature rose by 1.6 degrees Celsius between 1976 and 2018. These warming trends are particularly evident in the Arctic. The consequences of these warming trends are both visible and tangible. The Arctic is facing a serious threat from melting sea ice and melting ground, which poses a significant threat to wildlife.
I hope that you learned something about the polar regions. Practice with the game on this page.