How pollution from China is lubricating the Pacific



Iron particles from emissions from Chinese coal-fired factories are carried by the wind to a sterile area of ​​the Pacific Ocean, where they act as fertilizer to grow phytoplankton, a US study finds. About one-third of the total area is nutrient poor. Of the most fertile areas of the oceans, most are supplied with nutrients either by river sediments or by wind-borne dust. Previous studies have even shown that Sahara dust is carried by the wind to the Amazon and is The new study reveals that burning fossil fuels is another source of nutrients in the North Pacific Ocean, a few hundred kilometers north of Hawaii, about halfway between Japan and According to the researchers in the PNAS review, 60% of the iron detected in surface water had the same isotope profile as the coal emissions. The conclusion was that the iron came from a chimney in the presence of a high-rise factory. since previous investigations have resulted in p The study does not directly address phytoplankton growth, but it is well known that iron deficiency, which is an important trace element for many life forms, is a major limiting factor in the development of phytoplankton. The artificial lubrication of the ocean deserts with iron has been proposed as a “geomechanical” solution to tackle climate change, as phytoplankton absorbs carbon dioxide from the atmosphere. “Some metals could benefit some marine species and harm other life forms at the same time,” said Seth John of the University of Southern California, lead author of the study. of pollution in human health “clarifies the researcher. And, as he points out, long-term effects on ocean ecosystems remain unknown. Follow it on Google News and be the first to know all the news See all the latest News from Greece and the World, at



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