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Aparna Kumar from UP conquers highest peak in Antarctica

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Aparna Kumar
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Lucknow: Aparna Kumar, an IPS officer of the Uttar Pradesh cadre has successfully climbed the Mount Vinson Massif, the highest peak in Antarctica, an official said on Wednesday.

She climbed the 17,000-feet-high peak of the Mount Vinson Massif on January 17.

Along with the Indian tri-color, Kumar also hoisted the Uttar Pradesh Police flag on the mountain peak.

She is the first woman officer of any All-India Services to have done so.

Uttar Pradesh Chief Minister Akhilesh Yadav has congratulated her for the feat.(IANS)(Photo: www.sportskeeda.com)

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Emission of CO2 Levels Higher In Antarctica Than Believed

The team used the pH measurements to calculate the amount of dissolved carbon dioxide, and then uses that to figure out how strongly the water is absorbing or emitting carbon dioxide to the atmosphere.

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Antarctica
Antarctic seas emit higher CO2 levels than previously thought: Study. Flcikr

The open water nearest to the sea ice surrounding Antarctica releases significantly more carbon dioxide in winter than previously believed, showed a study conducted using an array of robotic floats.

The robotic floats diving and drifting in the Southern Ocean around the southernmost continent made it possible to gather data during the peak of the Southern Hemisphere’s winter from a place that remains poorly studied, despite its role in regulating the global climate.

“These results came as a really big surprise, because previous studies found that the Southern Ocean was absorbing a lot of carbon dioxide,” said lead author Alison Gray, Assistant Professor at the University of Washington.

CO2, Antarctica
Carbon atoms move between rocks, rivers, plants, oceans and other sources in a planet-scale life cycle. Flickr

In the Southern Ocean region, carbon atoms move between rocks, rivers, plants, oceans and other sources in a planet-scale life cycle.

It is also among the world’s most turbulent bodies of water, which makes obtaining data extremely difficult.

According to the study published in the journal Geophysical Research Letters, the floating instruments collected the new observations. The instruments dive down to 1 km and float with the currents for nine days.

Antarctic-sea
The open water nearest to the ice surrounding Antarctica releases more carbon dioxide. IANS

Next, they drop even farther, to 2 km, and then rise back to the surface while measuring water properties.

After surfacing they beam their observations back to shore via satellite.

Unlike more common Argo floats, which only measure ocean temperature and salinity, the robotic floats also monitor dissolved oxygen, nitrogen and pH — the relative acidity of water.

Also Read: In the Video: Possibilities of Ocean Floor Mapping

The study analysed data collected by 35 floats between 2014 and 2017.

The team used the pH measurements to calculate the amount of dissolved carbon dioxide, and then uses that to figure out how strongly the water is absorbing or emitting carbon dioxide to the atmosphere. (IANS)