Matthew H. England

Professor Matthew England FAA

@profmattengland.bsky.social

Scientia Prof. of Ocean & Climate Dynamics UNSW Australia | Fellow Australian Academy of Science | CMSI / BEES | Deputy Director ARC Australian Centre for Excellence in Antarctic Science | I study our oceans ice atmosphere and climate 🌊🌎🧊🌍🌤 .. more

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Matthew England is an Australian physical oceanographer and climate scientist. As of 2023 he is Scientia Professor of Oceanography at the Centre for Marine Science & Innovation at the University of New South Wales, Sydney. .. more

Environmental science 45%

Geology 27%

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Professor Matthew England FAA @profmattengland.bsky.social · Jun 4

Out today in Nature, our paper on the drivers of the record 2023 summer heating of the North Atlantic. Temperatures warmed to record levels in just a few months. The impacts on climate & ecosystems were severe. A thread on how this work came about and what we found.👇👇🧵 www.nature.com/articles/s41...

This is not the actual cover of Nature, just shown here for illustrative purposes. We did submit this figure for consideration for their cover. Print run in two weeks, we'll know by then if it gets used.

Reposted by Matthew H. England

Alexandra Scherer 🦋 @twixscherer.bsky.social · 7d

The weakening of the atlantic meridional overturning circulation (AMOC - potentially causing cooler winters in Europe as often explained by @rahmstorf.bsky.social) is only part of the even faster weakening of global ocean circulation that could harm nutrients transport to the sea surface #Antarcic 🧪

Professor Matthew England FAA @profmattengland.bsky.social · 7d

Thanks Henri! Agreed that the big problem is the commitment to future MW input, which is set to be long-lived, nonlinear, and bad for SLR and also overturning stability. And I agree the overturning will eventually re-establish once the MW input stabilises, but that could be 1000+ years away.

Reposted by Matthew H. England

Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 7d

“This is a wake-up call,” said author and ACEAS Deputy Director, @profmattengland.bsky.social (UNSW). “The evidence shows us clearly that the MOC has slowed down, and if this trend continues the impacts on human societies, climate and ecosystems will be profound.”

Professor Matthew England FAA @profmattengland.bsky.social · 7d

Thank you! Yes the Antarctic MOC doesn’t drive as much poleward heat transport as the AMOC. But it is critical for recycling nutrients back to the sea surface. And there are concerns it can lead to more shelf water warming — an amplifying feedback.

Professor Matthew England FAA @profmattengland.bsky.social · 7d

Not downplaying the seriousness of an AMOC collapse — and not aiming to mislead! :-) Was just pointing out the Antarctic overturning is likely closer to being forced to a collapsed state. Did you watch the talk?

Reposted by Cyrus Samimi

Professor Matthew England FAA @profmattengland.bsky.social · 7d

Yeah true that a Stonmel type irreversibility is not necessarily a thing here— but switching off Antarctic melt could take 1000s of years on our current trajectory. I meant a tipping point where a collapse is inevitable, and a stable off state would persist for a long long time.

Professor Matthew England FAA @profmattengland.bsky.social · 8d

☺️🙏 Thanks Seth!

Reposted by Matthew H. England

Dr. Aaron Thierry @thierryaaron.bsky.social · 8d

"The pace of change is already at about a 30% decline. This just tells you how critically urgent carbon emissions reductions are, because we need to give this overturning circulation every chance of not tipping over what seems to be a very perilous & near tipping point"
#ClimateEmergency
#Antarctica

Professor Matthew England FAA @profmattengland.bsky.social · 8d

If you’re interested in why the #Antarctic overturning circulation is very likely closer to a tipping point than the #AMOC, I touch on the topic in this 10 minute talk presented virtually today at #COP30. Starts at approx. 20 min mark.

Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 8d

Antarctic science at COP30 🌍❄️

A panel of Australian scientists, including ACEAS Deputy Director @profmattengland.bsky.social (UNSW), today shared insights about abrupt changes unfolding across the #Antarctic environment at the #COP30 Cryosphere Pavilion.

Watch now: www.youtube.com/live/YjYkKvw...

Policy Briefing: Emerging Evidence of Abrupt Changes in the Antarctic Environment

YouTube video by International Cryosphere Climate Initiative

www.youtube.com

Reposted by Matthew H. England, Andy Baker

Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 8d

Policy Briefing: Emerging Evidence of Abrupt Changes in the Antarctic Environment

YouTube video by International Cryosphere Climate Initiative

www.youtube.com

Reposted by Scott C. Doney

Professor Matthew England FAA @profmattengland.bsky.social · 8d

Attention all Subantarctic Mode Water enthusiasts ☺️; check out this lovely new paper led by Zhi Li with Sjoerd Groeskamp, @alexhaumann.bsky.social Ivana Cerovečki and Lynne Talley; exploring propagating signals of SAMW anomalies tracing their origins to the tropics. doi.org/10.1175/JCLI...

Reposted by Matthew H. England

Reposted by Peter Thorne, Matthew H. England

Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 27d

🧊 New research reveals an overlooked Antarctic process that may skew sea level rise projections.

☀️ A team led by Dr @fabiobdias.bsky.social (ACEAS/UNSW) found East Antarctica ice shelves melt in summer bursts as sea ice retreats and warm water flows underneath.

🔗 antarctic.org.au/overlooked-m...

Overlooked melting in East Antarctica could skew sea level rise projections - ACEAS

New research into how East Antarctica’s ice shelves melt reveals future global sea-level rise predictions could be significantly underestimated.

antarctic.org.au

Professor Matthew England FAA @profmattengland.bsky.social · Sep 22

Unfortunately not. We still have a situation where policymakers think Antarctica is too far away to matter. Nothing could be further from the truth.

Reposted by Matthew H. England

Thomas Boettcher @thomas-boettcher.bsky.social · Sep 2

#Matt_England 2021 post64
@profmattengland.bsky.social
6 pumps run the global ocean current.
2 northern pumps are 15% weak #AMOC
4 southern pump are 30% weak #AOC
agupubs.onlinelibrary.wiley.com/doi/full/10....
#TP2.16.2
x.com/bratananium/...

Reposted by Matthew H. England

Thomas Boettcher @thomas-boettcher.bsky.social · Aug 29

#7A2.12 #AMOC and #AOC influences:
8. Teleconnections to Other Global Climate Impacts and Tipping Points.
@ryankatzrosene.bsky.social
What happens in the Atlantic doesn't just stay in the Atlantic.
@profmattengland.bsky.social
What happens in the
Antarctic
doesn't just stay in the Antarctic.

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