What Is The Lowest Temperature Recorded In Antarctica

What Is The Lowest Temperature Recorded In Antarctica - How cold can it be on Earth? about minus 144°F; According to the latest measurements of the coldest place on earth.

Scientists have recorded extreme temperatures on an ice sheet in the center of Antarctica during the long, dark polar winter. As they report this week in Geophysical Research Letters. At the edge of our solar system, it is thought to be cold.

What Is The Lowest Temperature Recorded In Antarctica

"This place is so close to the edge of Earth that it's like another planet," said lead researcher Ted Scambos of the National Snow and Ice Data Center at the University of Colorado, Boulder.

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In 2013, scientists announced that they had discovered the lowest temperature ever recorded on Earth's surface. In many places on the East Antarctic Plateau, the snow-covered plain that covers the South Pole, that temperature has been found to be a shocking minus 93 degrees Celsius (minus 135 degrees Fahrenheit).

Now, after reviewing the weather data for the region, The same researchers found that in 2004, temperatures in many places fell lower than previously thought, dropping to a record minus 98 degrees Celsius (minus 144 degrees Fahrenheit) on several occasions. and 2016.

The results, published in the journal Geophysical Research Letters, could change scientists' understanding of how much cold water can exist on Earth's surface.

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For study A team led by Ted Scambos of the National Snow and Ice Data Center at the University of Colorado at Boulder reanalyzed temperature data for the East Antarctic Plateau collected during Southern Hemisphere winters from 2004 to 2016.

It's the same data set that researchers examined in 2013, which produced the previous record-low numbers. However, It was modified to take into account recent measurements from weather stations to give the team a better idea of ​​the actual temperature at the surface.

The updated data showed that the record minimum temperature was about 5 degrees Celsius (9 degrees Fahrenheit) cooler than that recorded in 2013. The coldest polar night was recorded in two- to three-meter-deep depressions covering the Antarctic ice sheet. According to the researchers, this ice patch can trap very cold and dry air.

When the team made their first discovery in 2013, in order to lower the temperature; Clear skies and light winds were considered necessary. However, the new results indicate that the atmosphere must be very dry because water vapor absorbs heat in the air.

How Cold Is Antarctica?

In 2013, scientists measured several points on the East Antarctic Plateau and announced that they had found the coldest point on Earth. But new measurements show that the region is cooler than previously thought. Ted Scambos/University of Colorado Boulder

All these conditions must be maintained for several days in order for the mercury column to reach minus 98. To get low, they would have to hold for several weeks, which is highly unlikely, according to scientists.

This is because when the temperature drops below a certain point, the air gradually cools, and does not cool significantly until climate change becomes inevitable. This suggests that minus 98C could cool as it reaches the Earth's surface, Scambos suggests.

"At extremely cold temperatures, conditions limit how long it takes to cool, and there is a limit to how much heat can be in the atmosphere because there is no water vapor to release the heat. At these temperatures, from the surface," Scambos said in a statement.

Temperatures In Antarctica Reach 70 Degrees Warmer Than Normal

The Great Salt Lake could disappear within ten years, the expert said. Others are at risk.

The former president could be held in contempt of court if he violates the rules that prohibit him from attacking witnesses. Since the start of summer, scientists have released the lowest temperatures on record for the world. Antarctica has long, dark winters with very low temperatures, similar to those on other planets.

The temperature they measured was minus 144 degrees Fahrenheit (-97.8 degrees Celsius). Breathing even a small amount of air at this temperature can cause your lungs to bleed and die quickly.

Temperatures recorded by satellite measurements in central Antarctica during the sunless winter. The findings, published recently in the journal Geophysical Research Letters, are close to the theoretical minimum temperature at which Earth could sink.

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To determine the coldest place on Earth, the research team looked for the highest point in Antarctica, the Ice Dome. At about 13,300 feet, there are cracks in the ice that protect the area from the wind and allow cold air to sink into small depressions. In these places, scientists have measured a record low of -144 degrees Fahrenheit. This surpassed the previous record of -128.6 degrees Fahrenheit set in 1983 at Russia's Vostok station near the South Pole.

Conditions must be nearly perfect for the air temperature to be so low. You must be dead in the sunless winter. In addition, The sky must be completely clear; There is little wind and very little moisture in the air. Water vapor in the atmosphere can absorb heat and trap heat near the Earth's surface.

If you have been to a very humid place and noticed that the temperature does not drop much in the evening, I have met with a few disagreements. A quick search on a US humidity map shows Bar Harbor, one of the wettest cities in America, with 100 percent humidity. It shows Maine. Today's high is 61 and the low is two degrees cooler at 59 degrees Fahrenheit. That's because 100 percent humidity traps a lot of heat and keeps it near Bar Harbor at night. Moab, which has only 5 percent humidity. Utah compares to the driest places in America right now. The high was 102 and the low was 70 degrees Fahrenheit. This changes from day to night to 32 degrees because there is almost no water vapor in the air to hold the heat.

The combination of these ideal conditions led the research team to find that the coldest temperatures ever recorded on Earth were found in small pockets at the highest points of Antarctica.

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"Earth is so close to its edge that it's like another planet," Ted Scambos, a researcher at the National Snow and Ice Data Center at the University of Colorado, told National Geographic. A high mountain in East Antarctica is officially the coldest place on Earth. NASA has confirmed that the lowest temperature in those books is almost -136 degrees Fahrenheit.

It's cold here And it's cold in Antarctica. ... how does a frost index of 135.8 degrees sound?

Based on remote satellite measurements, scientists recently recorded such temperatures on a desolate ice plateau in Antarctica. It was the coldest temperature ever recorded on Earth, but the official record books did not receive any recognition of this.

This temperature was measured by a NASA satellite in August 2010. A temperature of -135.3 degrees Celsius was recorded on July 31 this year.

Antarctica Records Unofficial Coldest Temperature Ever

"I've never been in such freezing conditions, and I hope I never will be," Colorado. said Ted Scambos, an ice scientist at the National Snow and Ice Data Center in Boulder. "He said it hurt every breath and he had to be careful not to freeze his throat and lungs when he breathed."

-135.8 degrees is Alaska; He said it was 50 degrees colder than anything he had ever seen in Siberia or North Dakota.

"It's more like what you'd see on Mars in spring at the poles," Scambos announced the data Monday at the American Geophysical Union Scientific Meeting in San Francisco.

As in the entire Southern Hemisphere, winter in Antarctica begins in June, when the entire continent is dark. Occurs in July and August.

Ultralow Surface Temperatures In East Antarctica From Satellite Thermal Infrared Mapping: The Coldest Places On Earth

A record of measurements taken with an official thermometer;

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