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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Earth in hot water? Worries over sudden ocean warming spike
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<blockquote data-quote="Frank Robert" data-source="post: 77205520" data-attributes="member: 433135"><p><h3><a href="https://apnews.com/article/climate-change-hot-oceans-el-nino-la-nina-ec00bc89848d18dec9bf4db4444c999e" target="_blank"><em>Worries over sudden ocean warming spike</em></a></h3><p></p><p style="text-align: center"><em>[ATTACH=full]330570[/ATTACH]</em></p> <p style="margin-left: 20px">The world's oceans have suddenly spiked much hotter and well above record levels in the last few weeks, with scientists trying to figure out what it means and whether it forecasts a <a href="https://apnews.com/hub/climate-and-environment" target="_blank">surge in atmospheric warming.</a></p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px">Some researchers think the jump in sea surface temperatures stems from a brewing and possibly strong <a href="https://oceanservice.noaa.gov/facts/ninonina.html" target="_blank">natural El Nino warming weather condition</a> plus a rebound from three years of a <a href="https://apnews.com/article/what-is-la-nina-drought-wildfires-hurricanes-619a4a1a928fdb80d301c7dca0c45dcf" target="_blank">cooling La Nina,</a> all on top of steady global warming that is heating deeper water below. If that's the case, they said, record-breaking ocean temperatures this month could be the first in many heat records to shatter.</p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px">From early March to this week, the global average ocean sea surface temperature jumped nearly two-tenths of a degree Celsius (0.36 degree Fahrenheit), according to the <a href="https://climatereanalyzer.org/clim/sst_daily/" target="_blank">University of Maine's Climate Reanalyzer</a>, which climate scientists use and trust. That may sound small, but for the average of the world's oceans — which is 71% of Earth's area —to rise so much in that short a time, “that's huge,” said University of Colorado climate scientist Kris Karnauskas. “That's an incredible departure from what was already a warm state to begin with.”</p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px">Climate scientists have been talking about the warming on social media and amongst themselves. Some, like University of Pennsylvania's Michael Mann, quickly dismiss concerns by saying it is merely a growing El Nino on top of a steady human-caused warming increase....</p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px">“La Nina's temporary grip on rising global temperatures has been released,” NOAA oceanographer Mike McPhaden said in an email. “One result is that March 2023 was the second highest March on record for global mean surface temperatures."</p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px">If El Nino makes its <a href="https://www.noaa.gov/news/what-to-watch-for-el-nino-likely-to-develop-summer#:~:text=El%20Nino%20is%20the%20warm,update%20on%20May%2011%2C%202023." target="_blank">heavily forecasted appearance</a> later this year “what we are seeing now is just a prelude to more records that are in the pipeline,” McPhaden wrote.</p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px">Karnauskas said what's likely to happen will be an “acceleration” of warming after the heat has been hidden for a few years.</p></blockquote><p></p>
[QUOTE="Frank Robert, post: 77205520, member: 433135"] [HEADING=2][URL='https://apnews.com/article/climate-change-hot-oceans-el-nino-la-nina-ec00bc89848d18dec9bf4db4444c999e'][I]Worries over sudden ocean warming spike[/I][/URL][/HEADING] [CENTER][I][ATTACH type="full" width="689px"]330570[/ATTACH][/I][/CENTER] [INDENT]The world's oceans have suddenly spiked much hotter and well above record levels in the last few weeks, with scientists trying to figure out what it means and whether it forecasts a [URL='https://apnews.com/hub/climate-and-environment']surge in atmospheric warming.[/URL][/INDENT] [INDENT][/INDENT] [INDENT]Some researchers think the jump in sea surface temperatures stems from a brewing and possibly strong [URL='https://oceanservice.noaa.gov/facts/ninonina.html']natural El Nino warming weather condition[/URL] plus a rebound from three years of a [URL='https://apnews.com/article/what-is-la-nina-drought-wildfires-hurricanes-619a4a1a928fdb80d301c7dca0c45dcf']cooling La Nina,[/URL] all on top of steady global warming that is heating deeper water below. If that's the case, they said, record-breaking ocean temperatures this month could be the first in many heat records to shatter.[/INDENT] [INDENT][/INDENT] [INDENT]From early March to this week, the global average ocean sea surface temperature jumped nearly two-tenths of a degree Celsius (0.36 degree Fahrenheit), according to the [URL='https://climatereanalyzer.org/clim/sst_daily/']University of Maine's Climate Reanalyzer[/URL], which climate scientists use and trust. That may sound small, but for the average of the world's oceans — which is 71% of Earth's area —to rise so much in that short a time, “that's huge,” said University of Colorado climate scientist Kris Karnauskas. “That's an incredible departure from what was already a warm state to begin with.”[/INDENT] [INDENT][/INDENT] [INDENT]Climate scientists have been talking about the warming on social media and amongst themselves. Some, like University of Pennsylvania's Michael Mann, quickly dismiss concerns by saying it is merely a growing El Nino on top of a steady human-caused warming increase....[/INDENT] [INDENT][/INDENT] [INDENT]“La Nina's temporary grip on rising global temperatures has been released,” NOAA oceanographer Mike McPhaden said in an email. “One result is that March 2023 was the second highest March on record for global mean surface temperatures."[/INDENT] [INDENT][/INDENT] [INDENT]If El Nino makes its [URL='https://www.noaa.gov/news/what-to-watch-for-el-nino-likely-to-develop-summer#:~:text=El%20Nino%20is%20the%20warm,update%20on%20May%2011%2C%202023.']heavily forecasted appearance[/URL] later this year “what we are seeing now is just a prelude to more records that are in the pipeline,” McPhaden wrote.[/INDENT] [INDENT][/INDENT] [INDENT]Karnauskas said what's likely to happen will be an “acceleration” of warming after the heat has been hidden for a few years.[/INDENT] [/QUOTE]
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