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The Nord Stream explosion led to methane leaking into the water. He also reached Poland

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This is how much methane leaked: In September 2022, there was a series of explosions and damage to three of the four pipes of the Nord Stream 1 and Nord Stream 2 gas pipelines. Unfortunately, at the time of this incident, both pipelines were full gasmost of which escaped into the atmosphere. Scientists from the University of Gothenburg and the Voice of the Ocean research foundation found that some of the methane remained below the surface and was dispersed by ocean currents. As much as 443-486 kt of methane was released.

Methane reached Poland: In the first phase after the leak, the level of methane in the water was sometimes high 1000 times higher than normal. In some areas, abnormal methane concentrations were measured even months after the explosion. It was estimated that more than 14 percent of the entire Baltic Sea was exposed to methane levels that were at least five times higher than normal. – It spread over a large part of the southern Baltic Sea, from the coast of Danish Zealand in the west, to the Polish Bay of Gdańsk in the east – notes Martin Mohrmann, a researcher from Voice of the Ocean.

Watch the video The timing of reports about Ukraine's participation in blowing up Nord Stream may not be accidental

Hazardous environment: Higher concentrations were measured even at a depth of 70 meters. “Methane is non-toxic at concentrations commonly found in the environment, but extreme concentrations of the Nord Stream leak may pose unpredictable, sublethal threats to the ecosystem and also affect biogeochemical pathways,” we read in Nature Communications. “The leaks did release it though unprecedented amounts of natural gas into water and the atmosphere, which makes it difficult to clearly predict the effects on the ecosystem,” it added.

Advanced technologies used: Scientists used underwater drones to measure methane concentration over a large area, even down to the surface of the depths. They were performed for three months. It was then compared to the data measured from the shuttle. He made measurements above the surface. – We're sure that we have a really good picture how methane spread in the Baltic Sea, both in time and space, emphasized Bastien Queste, an oceanographer from the University of Gothenburg.

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Read also: : “Poland has overtaken everyone in the Baltic Sea. It is the EU leader. Gdańsk has advanced significantly”.

Sources: : University of Gothenburg, Voice of the OceanNature Communications



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