About My Health Careers Internship MedBlogs Contact us
Medindia LOGIN REGISTER
Advertisement

Greenland Sea Warming Faster Than Global Oceans: Study

by Bidita Debnath on September 29, 2013 at 8:57 PM
Font : A-A+

 Greenland Sea Warming Faster Than Global Oceans: Study

Recent warming of the Greenland Sea Deep Water is about ten times higher than warming rates estimated for the global ocean, says researchers.

For their study, they analysed temperature data from 1950 to 2010 in the abyssal Greenland Sea, which is an ocean area located just to the south of the Arctic Ocean.

Advertisement

Since 1993, oceanographers from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), have carried out regularly expeditions to the Greenland Sea on board the research ice breaker Polarstern to investigate the changes in this region.

The programme has always included extensive temperature and salinity measurements. For the present study, the AWI scientists have combined these long term data set with historical observations dating back to the year 1950. The result of their analysis: In the last thirty years, the water temperature between 2000 metres depth and the sea floor has risen by 0.3 degrees centigrade.
Advertisement

AWI scientist and lead author of the study, Dr. Raquel Somavilla Cabrillo, said that the amount of heat accumulated within the lowest 1.5 kilometres in the abyssal Greenland Sea would warm the atmosphere above Europe by 4 degrees centigrade.

The Greenland Sea is just a small part of the global ocean. However, the observed increase of 0.3 degrees in the deep Greenland Sea is ten times higher than the temperature increase in the global ocean on average. For this reason, this area and the remaining less studied polar oceans need to be taken into consideration'.

Somavilla said that until the early 1980s, the central Greenland Sea has been mixed from the top to the bottom by winter cooling at the surface making waters dense enough to reach the sea floor.

She said that this transfer of cold water from the top to the bottom has not occurred in the last 30 years. However, relatively warm water continues to flow from the deep Arctic Ocean into the Greenland Sea. Cooling from above and warming through inflow are no longer balanced, and thus the Greenland Sea is progressively becoming warmer and warmer.

The study has been published in the journal Geophysical Research Letters.

Source: ANI
Advertisement

Advertisement
News A-Z
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
News Category
What's New on Medindia
First Dose of COVID-19 Vaccines May Improve Mental Health
Printed Temperature Sensors help with Continuous Temperature Monitoring
Health Benefits of Giloy
View all

Medindia Newsletters Subscribe to our Free Newsletters!
Terms & Conditions and Privacy Policy.


Recommended Reading
Absorption of Heat by Oceans Means Global Warming Has Only ‘Paused’ Over the Last Decade
Climate scientists said that while the Earth's rate of warming has slowed down, global warming is .....
Lean, Mean Microbes Survive in World's Oceans: Study
Planktonic bacteria inhabiting the world's oceans have streamlined their genetic makeup to become .....
Pachauri Says Seas and Oceans are Not Being Tapped Properly to Produce Energy
The chairperson of the Intergovernmental Panel on Climate Change (IPCC) R K Pachauri urged marine .....
Corals may Quit Warming Oceans: Marine Scientists
According to new evidence unearthed by marine scientists, corals could quit equitorial seas as the ....

Disclaimer - All information and content on this site are for information and educational purposes only. The information should not be used for either diagnosis or treatment or both for any health related problem or disease. Always seek the advice of a qualified physician for medical diagnosis and treatment. Full Disclaimer

© All Rights Reserved 1997 - 2021

This site uses cookies to deliver our services. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Use