Rising surface temperature in Pacific for prolonged periods causes El Nino
A study shows, rising surface temperature in the tropical Pacific Ocean for prolonged periods leads to a climate process called the El Nino, which has become more extreme due to human-induced climate change.
The researchers, including the Georgia Institute of Technology in the US, said El Ninos have become more intense in the industrial age, which stand to worsen storms, drought, and coral bleaching.
The major study with physical evidence spanning millennia, compared chemical deposits found on present-day corals that are dependent on water temperature with similar deposits on older coral records representing relevant sea surface temperatures from the past 7,000 years.
The study said the industrial age swings in the tropical Pacific wind and ocean temperatures called El Nino Southern Oscillation (ENSO) is 25 per cent stronger than in the pre-industrial records.
The researchers found patterns in ENSO with swings of heating and cooling of the equatorial Pacific waters.
They also found that the recordings of sea surface temperatures registered in the coral chemical deposits were astonishingly accurate.
A study shows, rising surface temperature in the tropical Pacific Ocean for prolonged periods leads to a climate process called the El Nino, which has become more extreme due to human-induced climate change.
The researchers, including the Georgia Institute of Technology in the US, said El Ninos have become more intense in the industrial age, which stand to worsen storms, drought, and coral bleaching.
The major study with physical evidence spanning millennia, compared chemical deposits found on present-day corals that are dependent on water temperature with similar deposits on older coral records representing relevant sea surface temperatures from the past 7,000 years.
The study said the industrial age swings in the tropical Pacific wind and ocean temperatures called El Nino Southern Oscillation (ENSO) is 25 per cent stronger than in the pre-industrial records.
The researchers found patterns in ENSO with swings of heating and cooling of the equatorial Pacific waters.
They also found that the recordings of sea surface temperatures registered in the coral chemical deposits were astonishingly accurate.
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