Pine Island Glacier spawns piglets


As anticipated, Pine Island Glacier, known as PIG for short, in Antarctica has just spawned a huge iceberg. At over 300 sq km, about the size of Malta, this huge berg very quickly broke into many ‘piglet’ pieces the largest of which is dubbed B-49. Thanks to images the Copernicus Sentinel satellite missions, two large rifts in the glacier were spotted last year and scientists have been keeping a close eye on how quickly these cracks were growing. This animation uses 57 radar images captured by the Copernicus Sentinel-1 mission between February 2019 and February 2020 (the last frame is from yesterday, 10 February 2020) and shows just how quickly the emerging cracks grew and led to this calving event.

Pine Island Glacier, along with its neighbour Thwaites Glacier, connect the centre of the West Antarctic Ice Sheet with the ocean – together discharging significant quantities of ice into the ocean. These two glaciers have been losing ice over the last 25 years. Owing to their extremely remote location, satellites play a critical role in measuring and monitoring Antarctic glaciology – revealing the timing and pace of glacial retreat in Antarctica. Since the early 1990s, the Pine Island Glacier’s ice velocity has increased dramatically to values which exceed 10 m a day. Its floating ice front, which has an average thickness of approximately 500 metres, has experienced a series of calving events over the past 30 years, some of which have abruptly changed the shape and position of the ice front.

These changes have been mapped by ESA-built satellites since the 1990s, with calving events occurring in 1992, 1995, 2001, 2007, 2013, 2015, 2017, 2018, and now 2020.

Mark Drinkwater, senior scientist and cryosphere specialist remarked, “The Copernicus twin Sentinel-1 all-weather satellites have established a porthole through which the public can watch events like this unfold in remote regions around the world. What is unsettling is that the daily data stream reveals the dramatic pace at which climate is redefining the face of Antarctica.”

Get the animated gif:

Credits: contains modified Copernicus Sentinel data (2019–20), processed by ESA

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  1. Expect more calving. The earth's surface and atmosphere will heat up more during specific time periods. For instance, there will come a time when "… the fourth angel poured out his vial upon the sun; and power was given unto him to scorch men with fire. And men were scorched with great heat, and blasphemed the name of God, which hath power over these plagues; and they repented not to give him glory …" Man will not repent of his sin. Thus the judgment from God will come. At another time, we know that "… the elements shall melt with fervent heat…," writes the apostle Peter, twice in his epistle.

  2. what you just saw is an ice sheet twice the size of the US capital (city, not building) breaking off and getting ready to flow away into the pacific ocean

  3. 5 seconds of a sped up time lapse of Glacier movement , 5 seconds of frozen video, and then 17 seconds of an exit ??? poorest video editing job I ever seen in 25 years triple thumbs down for the idiot who posted this

  4. It's summer in Antarctica and there is always melting in the summer. In a few months there will be no mention at all of all the new ice that has formed.
    People are so gullible.

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