Satellite data of melting arctic essay

Climate change in the Arctic

Data for Figure 1 are also available online at: By 20th September, they had reached pack ice, but his plan that the ice would continue drifting north failed, and the Fram remained stuck in the ice for more than a year.

In summer, some of this ice melts because of warmer temperatures and long hours of sunlight. The refreezing of water is not occurring, and a study conducted in Antarctica in the past year has yielded unprecedented results.

Anthropogenic CO2 emissions only correlate if we cherry-pick short-term start and end dates rather than look at the larger picture of the past century to the past few thousand years, as the above graphs show.

If such a route could be established, it could offer a quicker and therefore cheaper trade route between Europe and Asia. Grab and drag the slider to compare the Arctic sea ice concentration in early left and late right July.

This eliminating factor in polar bear populations, scientists note is something that humans should realize. Arctic, Antarctic, and Alpine Research, Vol. However, it then became trapped in an expanding icefield.

The mating season, and sometimes even the birth of a baby polar bear may occur on the ice as well, which only further jeopardizes the livelihood of the polar bear. Four bears have turned up dead, unable to successfully swim the record long mile trek.

Climate change in the Arctic

Enormous ice sheets, and sea-ice is being depleted and breaking off into the surrounding oceans. They also are excellent swimmers, but of course rarely jump into the water to catch their prey because they would immediately alert the seals or whales of their presence.

The age of sea ice is also an important indicator of Arctic conditions, because ice that has accumulated over many years is generally thicker and stronger than younger ice.

And it has just started to drop from its flatish 10 year maximum. Here, the melt season start date is defined as the date when satellites detect consistent wetness on the surface of the ice and snow; the end date is when the surface air temperature stays consistently at or below the freezing point and ice begins to grow in the open ocean.

Return to voyage list 5. Also, Larsen provided his account of their voyages in Larsen, Abstract. If we intend to continue to represent the polar bear as a happy and lovable creature, then the best thing is not give him a Coke, but to help in keeping his natural habitat around and in order, because in the end it can only benefit us.

Accessed August 2, Sadly, he and his crew of men became icebound near King William Island, and never returned. This paper will explore the basic principles of global warming and its affects on the polar ice caps, but will focus on greater detail how this may destroy the lives of one particular animal species, the polar bear.

A significant rise in sea level as a result of ice sheets in Greenland and Antarctica melting may totally destroy lowland countries like the Netherlands, coastal India and China. Return to voyage list 5. NASA Finds Thickest Parts of Arctic Ice Cap Melting Faster 32 years of passive microwave data from NASA's Nimbus-7 satellite and the U.S.

Department of Defense's Defense Meteorological Satellite Program, taken during the winter months from to This is the most robust and longest satellite dataset of Arctic sea ice extent data to.

Aug 17,  · Is Antarctica melting? The continent of Antarctica has been losing more than cubic kilometers (24 cubic miles) of ice per year since There has been lots of talk lately about Antarctica and whether or not the continent’s giant ice sheet is melting.

One new Radar- and laser-based satellite data show a little mass. Climate Change Indicators. Contact Us. Share. Climate Change Indicators: Arctic Sea Ice (see Figure 3). Arctic sea ice now starts melting 11 days earlier and it starts refreezing 26 days later than it used to, on average (see Figure 3).

Data for this indicator were gathered by the National Snow and Ice Data Center using satellite. Sea ice melting since is 'enormously outside the bounds of natural variability' and clearly linked to humans burning fossil fuels, research shows.

The Threat of Melting Ice

While satellite images of the Arctic clearly. Jan 08,  · Gravity data collected from space using NASA's Grace satellite show that Antarctica has been losing more than a hundred cubic kilometers (24 cubic miles) of ice each year since The latest data reveal that Antarctica is losing ice at an accelerating rate, too.

A photo essay from The Atlantic includes an aerial image of the path broken by MSV Nordica. But the new earliest-passage records, set less than a decade apart, highlight how the Arctic Ocean is changing.

Satellite data of melting arctic essay
Rated 3/5 based on 34 review
ESA - Space for Kids - Earth - The Threat of Melting Ice