What is the most serious effect of ozone hole?
What is the most serious effect of ozone hole?
Ozone layer depletion causes increased UV radiation levels at the Earth’s surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.
Why there is no ozone layer in Australia?
The ozone layer is depleted in two ways. Firstly, the ozone layer in the mid-latitude (e.g. over Australia) is thinned, leading to more UV radiation reaching the earth. Secondly, the ozone layer over the Antarctic, and to a lesser extent the Arctic, is dramatically thinned in spring, leading to an ‘ozone hole’.
How deep is the hole in Antarctica?
about 2.1 kilometers deep
What is the largest iceberg in the world?
“Iceberg A-76 calves from the western side of the Ronne Ice Shelf in the Weddell Sea and is currently the largest iceberg in the world,” the organization tweeted Friday. The finger-shaped iceberg is roughly 105 miles long and 15 miles wide, according to the European Space Agency.
Why do they drill holes in Antarctica?
By drilling down deep, the team hopes to find out how long ago the Antarctic ice sheet last disappeared and how water and sediments may be nudging the ice toward the sea, according to the project’s webpage. (Ice streams are kind of like frozen rivers where ice moves faster than the rest of the area.)
Is there a hole in the ice in Antarctica?
The winter ice on the surface of Antarctica’s Weddell Sea occasionally forms an enormous hole. A hole that appeared in 2016 and 2017 drew intense curiosity from scientists and reporters. A “polynya,” a Russian word that roughly means “hole in the ice,” can form near shore as wind pushes the ice around.
Is going to Antarctica illegal?
No, it is not illegal to go to Antarctica. As you already know by now, no country owns the continent. There is no border control, no immigration officer, no nothing. Anyone can visit the continent.
Is there a man in Antarctica?
Antarctica is the only continent on Earth without indigenous human inhabitants, despite its proximity to Argentina and Chile at the Antarctic Peninsula.
Who owns the Antarctica?
Antarctica doesn’t belong to anyone. There is no single country that owns Antarctica. Instead, Antarctica is governed by a group of nations in a unique international partnership. The Antarctic Treaty, first signed on December 1, 1959, designates Antarctica as a continent devoted to peace and science.
Why is Antarctica banned?
Antarctica is not a country: it has no government and no indigenous population. Instead, the entire continent is set aside as a scientific preserve. The Antarctic Treaty, which came into force in 1961, enshrines an ideal of intellectual exchange. Military activity is banned, as is prospecting for minerals.
Which country is closest to Antarctica?
The nearest countries to Antarctica are South Africa, Australia, New Zealand, Chile and Argentina. On Antarctica there are no cities or villages, 98% of the continent is covered by ice.
Can you see Antarctica from Ushuaia?
The classic way to see Antarctica is on an 11-12 day voyage from Ushuaia to the Antarctic Peninsula. You will have plenty of time to explore the channels and icebergs as well as boarding small Zodiac boats to visit penguin colonies.
Can people live in Antarctica?
Although there are no native Antarcticans and no permanent residents or citizens of Antarctica, many people do live in Antarctica each year.
Are sharks in Antarctica?
These species, which are frequently found in shallow water, would struggle crossing the deep ocean surrounding the southernmost continent. Thus, no sharks in Antarctica… yet. Closer to home, the Atlantic White Shark Conservancy has been witnessing what happens when sharks get too cold.
Which pole is colder?
The Short Answer: Both the Arctic (North Pole) and the Antarctic (South Pole) are cold because they don’t get any direct sunlight. However, the South Pole is a lot colder than the North Pole.
What country is North Pole in?
Currently, no country owns the North Pole. It sits in international waters. The closest land is Canadian territory Nunavut, followed by Greenland (part of the Kingdom of Denmark). However, Russia, Denmark and Canada have staked claims to the mountainous Lomonosov Ridge that runs under the pole.
How cold is the moon?
The average temperature on the Moon (at the equator and mid latitudes) varies from -298 degrees Fahrenheit (-183 degrees Celsius), at night, to 224 degrees Fahrenheit (106 degrees Celsius) during the day.
Why are there still footprints on the moon?
Unlike on Earth, there is no erosion by wind or water on the moon because it has no atmosphere and all the water on the surface is frozen as ice. However, the Moon is exposed to bombardment by meteorites, which change the surface. One little spacerock could easily wipe out a footprint on the moon.