THE glaciers that cover theAntarctica they are now at a critical point. An investigation led byVictoria University of Wellingtonin New Zealand, and fromBritish University of Birmingham and published on Natural Geosciencesindicates that if the ice continues to melt, sea levels could rise as much as 50 meters.
The study made it possible to draw a map showing all the variations in the temperatures of theAntarctic Ocean occurred in the past 45 million years. This was possible thanks to the analysis of samples collected during ocean drilling, looking for small lipid molecules produced by organisms similar to bacteria and composed of a single cell, known as archeathat change the composition of their outer membranes based on changes in sea temperature.
Based on these changes, the temperature of the ocean at the time of death can be inferred.
The logbook we created provides a much more comprehensive overview of Antarctic temperature variations and how they relate to changes in the amount of ice and the topography of Antarctica. This also opens the way to more accurate predictions for events that may occur in the future.
James Bendle of the University of Birmingham, co-author of the study.
This map shows the relationship between carbon dioxide, the amount of ice and the variation in temperature.
Source: Lega Nerd
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