Matt King
@deformedearth.bsky.social
Solid-earth deformation, geodesy, ice sheets, and sea level. Director of the Australian Centre for Excellence in Antarctic Science. Professor at U Tasmania. Comments mine. Host of Geodesy Feed - like and pin for geodesy content. Flawed follower of Jesus.
Great to welcome (from @imas-utas.bsky.social) Xue Long, one of China's ice breakers, back to Hobart!
Fair winds and following seas as she heads south.
Fair winds and following seas as she heads south.
November 18, 2025 at 10:20 PM
Great to welcome (from @imas-utas.bsky.social) Xue Long, one of China's ice breakers, back to Hobart!
Fair winds and following seas as she heads south.
Fair winds and following seas as she heads south.
If you can afford to pay $55 for potato crisps, give it to charity instead
November 16, 2025 at 1:40 AM
If you can afford to pay $55 for potato crisps, give it to charity instead
Australia pays special attention to the Indian Ocean bit of the Southern Ocean.
Quite alarming that sea ice there is in entirely unexplored territory (top right panel, also a cropped version, click to see full images)
Quite alarming that sea ice there is in entirely unexplored territory (top right panel, also a cropped version, click to see full images)
November 10, 2025 at 12:19 AM
Australia pays special attention to the Indian Ocean bit of the Southern Ocean.
Quite alarming that sea ice there is in entirely unexplored territory (top right panel, also a cropped version, click to see full images)
Quite alarming that sea ice there is in entirely unexplored territory (top right panel, also a cropped version, click to see full images)
Not very often you're at the altitude of a GPS satellite. Nice to visit folks here at CU Boulder to talk about geodesy, ice sheet change, and modelling how the solid earth impacts our understanding of these things.
June 11, 2025 at 4:21 PM
Not very often you're at the altitude of a GPS satellite. Nice to visit folks here at CU Boulder to talk about geodesy, ice sheet change, and modelling how the solid earth impacts our understanding of these things.
Climate research folks, do consider the Climate and Cryosphere Open Science Conference in Wellington, New Zealand, 9-12 Feb 2026. Southern Summer talking about climate and ice.
Abstract submission closes on 31 July 2025.
With a bonus @scar-antarctic.bsky.social INSTANT meeting alongside it.
Abstract submission closes on 31 July 2025.
With a bonus @scar-antarctic.bsky.social INSTANT meeting alongside it.
May 26, 2025 at 11:27 PM
Climate research folks, do consider the Climate and Cryosphere Open Science Conference in Wellington, New Zealand, 9-12 Feb 2026. Southern Summer talking about climate and ice.
Abstract submission closes on 31 July 2025.
With a bonus @scar-antarctic.bsky.social INSTANT meeting alongside it.
Abstract submission closes on 31 July 2025.
With a bonus @scar-antarctic.bsky.social INSTANT meeting alongside it.
The paper has assessments at the individual tide gauge level and the global mean (GMSL). In some cases the data suggest very different futures to the AR6 projections.
Pleased to be part of this work with Jinping Wang, Xuebin Zhang, John Church and Xianyao Chen 2/2
Pleased to be part of this work with Jinping Wang, Xuebin Zhang, John Church and Xianyao Chen 2/2
May 19, 2025 at 2:31 AM
The paper has assessments at the individual tide gauge level and the global mean (GMSL). In some cases the data suggest very different futures to the AR6 projections.
Pleased to be part of this work with Jinping Wang, Xuebin Zhang, John Church and Xianyao Chen 2/2
Pleased to be part of this work with Jinping Wang, Xuebin Zhang, John Church and Xianyao Chen 2/2
What future are we following in terms of the future of sea-level rise?
Observations suggest we're aligned, so far, with the medium-confidence IPCC AR6 projections and well below the low-likelihood, high-impact AR6 projections. That is good news. 1/2
agupubs.onlinelibrary.wiley.com/doi/10.1029/....
Observations suggest we're aligned, so far, with the medium-confidence IPCC AR6 projections and well below the low-likelihood, high-impact AR6 projections. That is good news. 1/2
agupubs.onlinelibrary.wiley.com/doi/10.1029/....
May 19, 2025 at 2:31 AM
What future are we following in terms of the future of sea-level rise?
Observations suggest we're aligned, so far, with the medium-confidence IPCC AR6 projections and well below the low-likelihood, high-impact AR6 projections. That is good news. 1/2
agupubs.onlinelibrary.wiley.com/doi/10.1029/....
Observations suggest we're aligned, so far, with the medium-confidence IPCC AR6 projections and well below the low-likelihood, high-impact AR6 projections. That is good news. 1/2
agupubs.onlinelibrary.wiley.com/doi/10.1029/....
#egu25 back to back to back talks involving @antarcticsciaus.bsky.social researchers this afternoon in the Southern Ocean session. Check it out
April 28, 2025 at 5:31 AM
#egu25 back to back to back talks involving @antarcticsciaus.bsky.social researchers this afternoon in the Southern Ocean session. Check it out
#egu25 If you're interested in near-future sea level and/or the Antarctic Ice Sheet stop by my poster with @fsmccormack.bsky.social and Yucheng Lin this afternoon.
April 28, 2025 at 5:12 AM
#egu25 If you're interested in near-future sea level and/or the Antarctic Ice Sheet stop by my poster with @fsmccormack.bsky.social and Yucheng Lin this afternoon.
Yesterday I had the pleasure of briefing undergraduate media students from @lindafvhunt.bsky.social class.
We talked about @antarcticsciaus.bsky.social, and then the students interviewed me as part of their thinking about how they might design a communication plan for ACEAS.
Such an engaged group!
We talked about @antarcticsciaus.bsky.social, and then the students interviewed me as part of their thinking about how they might design a communication plan for ACEAS.
Such an engaged group!
April 3, 2025 at 2:22 AM
Yesterday I had the pleasure of briefing undergraduate media students from @lindafvhunt.bsky.social class.
We talked about @antarcticsciaus.bsky.social, and then the students interviewed me as part of their thinking about how they might design a communication plan for ACEAS.
Such an engaged group!
We talked about @antarcticsciaus.bsky.social, and then the students interviewed me as part of their thinking about how they might design a communication plan for ACEAS.
Such an engaged group!
Timeline cleanser
February 23, 2025 at 11:50 AM
Timeline cleanser
This sunglasses shop is doing well on science meets art
January 19, 2025 at 2:44 AM
This sunglasses shop is doing well on science meets art
Vale Prof Jamie Kirkpatrick, legend of Tasmania, ecology, conservation, and geography. A wonderful colleague and mentor to so many over more than 50 years at @utas.bsky.social
October 21, 2024 at 10:43 PM
Vale Prof Jamie Kirkpatrick, legend of Tasmania, ecology, conservation, and geography. A wonderful colleague and mentor to so many over more than 50 years at @utas.bsky.social
If you're interested in Ross Sea salinity and its rebound, check out the new paper by Jingwei Zhang, his first PhD paper. 🌊
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
September 16, 2024 at 11:42 PM
If you're interested in Ross Sea salinity and its rebound, check out the new paper by Jingwei Zhang, his first PhD paper. 🌊
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Firn densification models don't explain the full PIG/Thwaites ASL signal, but we suggest it is SMB related. Residual signal due to decadal ice dynamics is likely. 5/n
June 19, 2024 at 11:27 AM
Firn densification models don't explain the full PIG/Thwaites ASL signal, but we suggest it is SMB related. Residual signal due to decadal ice dynamics is likely. 5/n
Zooming into the Amundsen Sea Embayment we show that the cumulative effects of the Amundsen Sea Low explain about 85-90% of the non-linear variance of PIG and Thwaites ice elevation 20km upstream, over 2002-2020. 4/n
June 19, 2024 at 11:26 AM
Zooming into the Amundsen Sea Embayment we show that the cumulative effects of the Amundsen Sea Low explain about 85-90% of the non-linear variance of PIG and Thwaites ice elevation 20km upstream, over 2002-2020. 4/n
Multiple linear regression against these indices reveals the ice elevation response to variations in these climate modes. Cumulative ENSO and SAM explain a median of 29% of the partial variance and up to 85% in some coastal areas. More when spatially smoothed. 3/n
June 19, 2024 at 11:25 AM
Multiple linear regression against these indices reveals the ice elevation response to variations in these climate modes. Cumulative ENSO and SAM explain a median of 29% of the partial variance and up to 85% in some coastal areas. More when spatially smoothed. 3/n
First, we show that the dominant signals at interannual timescales are consistent between altimetry and GRACE gravimetry. Second, their temporal variability correlates closely with the cumulative SAM and ENSO indices (or Amundsen Sea Low cumulative pressure or longitude). 2/n
June 19, 2024 at 11:24 AM
First, we show that the dominant signals at interannual timescales are consistent between altimetry and GRACE gravimetry. Second, their temporal variability correlates closely with the cumulative SAM and ENSO indices (or Amundsen Sea Low cumulative pressure or longitude). 2/n
We should be discussing the 2024 Antarctic sea ice recovery. Why did the extent recover so quickly? Is it even a recovery? Is the regime shift in the upper ocean still there? Times like this we need Antarctic ice thickness more than ever. So much to understand.
zacklabe.com/antarctic-se...
zacklabe.com/antarctic-se...
April 24, 2024 at 11:19 PM
We should be discussing the 2024 Antarctic sea ice recovery. Why did the extent recover so quickly? Is it even a recovery? Is the regime shift in the upper ocean still there? Times like this we need Antarctic ice thickness more than ever. So much to understand.
zacklabe.com/antarctic-se...
zacklabe.com/antarctic-se...
April 14, 2024 at 3:07 PM
Good to be back here after 8(!) years. #egu24
Presentations I'm involved with:
meetingorganizer.copernicus.org/EGU24/qr/86850
Presentations I'm involved with:
meetingorganizer.copernicus.org/EGU24/qr/86850
April 14, 2024 at 2:58 PM
Good to be back here after 8(!) years. #egu24
Presentations I'm involved with:
meetingorganizer.copernicus.org/EGU24/qr/86850
Presentations I'm involved with:
meetingorganizer.copernicus.org/EGU24/qr/86850
Now, turning to trends, SAM has been in its positive phase so its cumulative effects must have a trend relative to a neutral SAM. There's sensitivity in the analysis but our work suggests that mass loss would be ~40% lower if SAM were in its neutral phase. 6/n
November 13, 2023 at 9:10 PM
Now, turning to trends, SAM has been in its positive phase so its cumulative effects must have a trend relative to a neutral SAM. There's sensitivity in the analysis but our work suggests that mass loss would be ~40% lower if SAM were in its neutral phase. 6/n
We find this explains a median 50% of the basin time series variance. ENSO dominates in Antarctic Peninsula and East Antarctica, while SAM dominates West Antarctica. Some of those signals are opposite and cancel over larger areas. 5/n
November 13, 2023 at 9:09 PM
We find this explains a median 50% of the basin time series variance. ENSO dominates in Antarctic Peninsula and East Antarctica, while SAM dominates West Antarctica. Some of those signals are opposite and cancel over larger areas. 5/n