An oil slick has spread over 160 km on the Caribbean Sea following the wreck of a barge off the coast of the island of Tobago on 7 February 2024. The wreck was not reported by the barge's owners, but instead was spotted by beachgoers who reported it to the Tobago Emergency Management Authority. The barge has capsized on Cove Reed, off the southern coast of the island, and oil from it has spread over reefs and beaches along the southern tip of the island, as well as spreading across the Caribbean Sea towards Grenada and Venezuela.
The barge appears to have been an unmanned and unpowered vessel, and has the word 'Gulfstream' painted on its side. As an unmanned, unpowered vessel it would not have been required to register with the International Maritime Organization, nor to carry an Automatic Identification System tracker, although it would have been partnered with a manned tugboat, which should (in theory) have complied with both of these requirements.
Before and after satellite images from the Copernicus Sentinel-1 mission show the scale of the oil spill that occurred off the shores of Trinidad and Tobago’s coastline earlier this week. The vessel, identified as the Gulfstream, ran aground and overturned off the southern shores of Tobago Island. The final image of the animation, captured at 10.18 pm GMT on 14 February, shows the oil spill has travelled over 160 km westwards. The spill is moving out of Trinidad and Tobago’s marine area and into Grenada’s southernmost marine area – which could affect neighbouring Venezuela. Satellite radar is particularly useful for monitoring the progression of oil spills because the presence of oil on the sea surface dampens down wave motion. Since radar basically measures surface texture, oil slicks show up well – as black smears on a grey background. European Space Agency. An investigation by the Trinidad and Tobago Coast Guard found that a barge identified as the Gulfstream left Panama en route for Guyana coupled to a tug called the Solo Creed on 12 January 2024, and that authorities in Guyana reported that neither vessel arrived there. The Solo Creed, identified by the Vessel Finder website as a Tanzanian registered towing vessel, which visited Aruba on 20 January, and was last detected off the coast of Venezuela on 4 February.
The Bellingcat investigative agency has identified a double-hulled barge capable of carrying 60 000 barrels of oil (i.e. 9.5 million litres) called the Gulfstream which was coupled to a tugboat called the Marlin, operating within the United States until 2012, which appears to be a good physical match for the vessel off the coast of Tobago. The Marlin was sold to the Panamanian San Martin Group in 2014, and while there are no official records of the Gulfstream after this, Bellingcat has found photographic evidence of the two vessels operating together between Panama and Venezuela between 2015 and 2020. The Marlin was sold on to another Panamanian company, Star Goods Petroleum, in 2021, and has not transmitted its position since. The Gulfstream was observed in the Astinave shipyard in Ecuador in February 2022, but has not been sighted since. Bellingcat suspect that the renamed Marlin and Gulfstream may still be operating together, as part of a 'ghost fleet' carrying embargoed Iranian oil to Venezuela. Many oil-carrying vessels operating out of Venezuela are considered to be poorly maintained to the point of being dangerous, and the Marlin and Gulfstream, if still operating together, would be 60- and 58-years-old respectively; both vessels would have been built with a planned lifetime of 30 years.
Oil spills are potentially harmful to marine life in a variety of ways. Most obviously it can coat the outside of organisms, causing damage to external structures such as the feathers of Birds and fur of Mammals, as well as smothering many marine invertebrates and plants. It also contains a variety of chemicals which can be directly toxic upset the hormonal balance of many animals. Oil also impedes the feeding of marine organisms, coating both food and feeding organs, but provides an excellent food source for Bacteria, which can lead to Eutrophication events - dramatic increases in Bacteria numbers, which then use all the oxygen in the water, leading other organisms to asphyxiate.
Workers from state own Heritage Petroleum Oil and Gas Company, the state oil company of Trinidad and Tobago, clean up an oil spill that reached Rockly Bay beach, in Scarborough, south western Tobago. Akash Boodan/AP. Many fishermen on the southern part of Tobago are reporting vessels and equipment damaged by exposure to oil, and beaches across the southern part of the island being forced to close to tourists at the height of the tourist season. Volunteers and local specialists have recovered about 2000 barrels of oil from beaches on Tobago, but the vessel is still leaking and will probably need to be emptied of oil before it can be refloated and the damage repaired.
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