Climate change

Colombian mission to Antarctica analyzes climate change footprints

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Colombia’s 10th Antarctic Expedition is making its way to the far reaches of the continent, exploring remote and almost untouched places inhabited by penguins, whales, and the occasional seal.

The Colombian Navy’s ARC Simon Bolivar is taking aquatic samples in Antarctica and advancing scientific research on climate change amid huge blocks of ice and frost.

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“Antarctica is the world’s refrigerator,” Pablo Araujo, a researcher at the Central University of Ecuador, told AFP on board the ship, which is home to 39 researchers, 11 Colombian projects and nine international cooperation projects with four countries.

View of the Colombian research vessel “ARC Simon Bolivar” at the Gerlache Strait, which separates the Palmer Archipelago from the Antarctic Peninsula, in Antarctica on January 19, 2024. (AFP)
View of the Colombian research vessel “ARC Simon Bolivar” at the Gerlache Strait, which separates the Palmer Archipelago from the Antarctic Peninsula, in Antarctica on January 19, 2024. (AFP)

“What we want to see is how climate change is affecting the world’s refrigerator and how that affects the whole quantity of nutrients (in the sea),” says the white-coated scientist.

On board the ship, the Ecuadoran researcher is carrying out a project to model Antarctic ecosystems using machine learning techniques, a branch of artificial intelligence focused on the study of statistical algorithms.

With the application of these models and the use of satellite images, researchers are studying the dynamics of greenhouse gas fluxes in Antarctic ecosystems.

One Colombian team is launching a battery of Niskin bottles, used to take water samples, into the ocean.

“Once (they) come to the surface, we proceed to take these samples for later analysis,” said Alexis Grattz, a researcher from the Directorate General of Maritime Affairs, wearing a thick red mackintosh, gloves, and a hat.

At the Ecuadoran scientific station, located at Punta Fort Williams on Greenwich Island, the maritime authority installed a portable weather station to record atmospheric pressure oscillations in the area.

Crew members of the Colombian research vessel “ARC Simon Bolivar” ride a boat at the Gerlache Strait, which separates the Palmer Archipelago from the Antarctic Peninsula, in Antarctica on January 19, 2024. (AFP)
Crew members of the Colombian research vessel “ARC Simon Bolivar” ride a boat at the Gerlache Strait, which separates the Palmer Archipelago from the Antarctic Peninsula, in Antarctica on January 19, 2024. (AFP)

These measurements are taken to “determine and help us understand more about these variations in sea level, understanding it as... an important indicator in the evolution of climate change,” said Maritza Moreno, another researcher at the Directorate General of Maritime Affairs.

A Turkish mission, meanwhile, is studying the levels of polycyclic aromatic hydrocarbons (PAHs), which result from burning fossil fuels, wood, trash, and tobacco, in Antarctic soil.

Burak Karacik, a professor at Istanbul Technical University, said he is collecting sediment samples.

“I will analyze these sediment samples for persistent organic pollutants, and we will look at the effects of humans, here, in this environment,” he added.

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