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Researchers during a recent study have found that a nuclear war could trigger an unprecedented El Nino-like warming episode in the equatorial Pacific Ocean. This might lead to slashing algae populations by forty per cent along with lowering the fish count.The research, published in the journal Communications Earth & Environment, shows that turning to the oceans for food if land-based farming fails after a nuclear war is unlikely to be a successful strategy - at least in the equatorial Pacific."In our computer simulations, we see a 40 per cent reduction in phytoplankton (algae) biomass in the equatorial Pacific, which would likely have downstream effects on larger marine orgsms that people eat," said lead author Joshua Coupe, a post-doctoral research associate in the Department of Environmental Sciences in the School of Environmental and Biological Sciences at Rutgers University-New Brunswick. "Previous research has shown that global cooling following a nuclear war could lead to crop failure on land, and our study shows we probably can't rely on seafood to help feed people, at least in that area of the world."Scientists studied climate change in six nuclear war scenarios, focusing on the equatorial Pacific Ocean. The scenarios include a major conflict between the United States and Russia and five smaller wars between India and Pakistan. Such wars could ignite enormous fires that inject millions of tons of soot (black carbon) into the upper atmosphere, blocking sunlight and disrupting Earth's climate.With an Earth system model to simulate the six scenarios, the scientists showed that a large-scale nuclear war could trigger an unprecedented El Nino-like event lasting up to seven years. The El Nino-Southern Oscillation is the largest naturally occurring phenomenon that affects Pacific Ocean circulation, alternating between warm El Nino and cold La Nina events and profoundly influencing marine productivity and fisheries.During a "nuclear Nino," scientists found that precipitation over the Maritime Continent (the area between the Indian and Pacific oceans and surrounding seas) and equatorial Africa would be shut down, largely because of a cooler climate.More importantly, a nuclear Nino would shut down the upwelling of deeper, colder waters along the equator in the Pacific Ocean, reducing the upward movement of nutrients that phytoplankton - the base of the marine food web - need to survive. Moreover, the diminished sunlight after a nuclear war would drastically reduce photosynthesis, stressing and potentially killing many phytoplankton."Turning to the sea for food after a nuclear war that dramatically reduces crop production on land seems like it would be a good idea," said co-author Alan Robock, a Distinguished Professor in the Department of Environmental Sciences at Rutgers-New Brunswick. "But that would not be a reliable source of the protein we need, and we must prevent nuclear conflict if we want to safeguard our food and Earth's environment."( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Researchers during a recent study have found that a nuclear war could trigger an unprecedented El Nino-like warming episode in the equatorial Pacific Ocean. This might lead to slashing algae populations by forty per cent along with lowering the fish ...