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Mars may be 140 million miles away, but its gravitational pull could be impacting Earth's oceans. Scientists at the University of Sydney in Australia believe the red planet's tug is creating "giant whirlpools" in the oceans called eddies, which can shift the deep-sea floor. This, they claim, is part of a 2.4-million-year climate "grand cycle" on Earth that has been ongoing for at least 40 million years. The red planet's orbit and ours are locked in an intricate dance, and every so often, these line up so that Mars' gravitational pull on Earth is just a little more intense — this is called resonance. This information is crucial when refining models helping us see how our planet's intricate climate will progress over time.
Persons: Adriana Dutkiewicz, NASA's, Dietmar Müller, Malin, Matthew England, Benjamin Mills, wasn't, Mills Organizations: Service, University of Sydney, Business, NASA's Goddard Space, geosciences, Nature Communications, Mars NASA, JPL, Systems, University of New, New, University of Leeds Locations: Australia, Japan, New, University of New South Wales, Sydney
Opinion | The Ocean Is Looking More Menacing
  + stars: | 2023-06-01 | by ( David Wallace-Wells | ) www.nytimes.com   time to read: +3 min
What do you call the arrival of events that have been predicted but, when predicted, were described as distressing or even terrifying? But some news from ocean science may prove more surprising still — perhaps genuinely paradigm-shifting. This key part of the circulation of the Southern Ocean “looks headed towards collapse this century,” study coordinator Matthew England told Yale Environment 360. “And once collapsed, it would most likely stay collapsed until Antarctic melting stopped. At current projections that could be centuries away.”Then, last week, some of the same researchers confirmed that the process was already unfolding — in fact, that the Southern Ocean overturning circulation had already slowed by as much as 30 percent since the 1990s.
Persons: Matthew England, , Steve Rintoul, who’d Organizations: Yale Environment Locations: Pacific Northwest, Canada, El
CNN —Ocean surface heat is at record-breaking levels. Since La Niña ended in March, ocean temperatures seem to be on a rebound, scientists say. Worrying impacts of ocean warmingWhatever the reasons behind the increase in ocean heat, the impacts are potentially catastrophic if temperatures continue to head off the charts. For now, ocean surface temperatures have started to fall, even if they remain high for this time of year. As scientists continue to analyze the reasons for record ocean warming, they are clear records will continue to be smashed as the climate crisis intensifies.
REUTERS/Natalie Thomas/SINGAPORE, March 29 (Reuters) - Rapidly melting Antarctic ice is dramatically slowing down the flow of water through the world's oceans, and could have a disastrous impact on global climate, the marine food chain and even the stability of ice shelves, new research has found. The "overturning circulation" of the oceans, driven by the movement of denser water towards the sea floor, helps deliver heat, carbon, oxygen and vital nutrients around the globe. But deep ocean water flows from the Antarctic could decline by 40% by 2050, according to a study published on Wednesday in the journal Nature. Ocean overturning allows nutrients to rise up from the bottom, with the Southern Ocean supporting about three-quarters of global phytoplankton production, the base of the food chain, said a second study co-author, Steve Rintoul. Reporting by David Stanway; Additional reporting by Gloria Dickie in London; Editing by Alex RichardsonOur Standards: The Thomson Reuters Trust Principles.
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