Uploaded February 2024 | Updated September 2026, 1 week ago
Another year, another low.
Antarctic sea ice extent has officially reached its joint second lowest level on record. The summer minimum bottomed out at 1.99 mn km2, making the last 3 years the lowest we've ever observed.
But is this evidence of a ‘regime shift’ in sea ice? Watch on to find out...
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Contents
00:00 – A near-record
00:26 - A re-cap
01:33 - So what's going on?
02:35 - A regime shift?
03:46 - What happens in Antarctica doesn't stay in Antarctica
04:22 - A shout-out
#ClimateChange #Antarctica #SeaIce
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Thanks to my Patreon subscribers, including my Patreon Saints:
Steven Cowling, Eliot Bryant, Baerbel Winkler, Patrick Hillberg, Michael Unterweger, James Harley Gorrell & Lucien Mansell.
Join them here: patreon.com/dr_gilbz
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References and resources
Ionita (2024) frontiersin.org/articles/10.3389/feart.2024.1333706/full
Purich & Doddridge (2023) nature.com/articles/s43247-023-00961-9
Parkinson (2019) doi.org/10.1073/pnas.1906556116
Gilbert & Holmes (2024) rmets.onlinelibrary.wiley.com/doi/full/10.1002/wea.4518
Eayrs et al. (2021) nature.com/articles/s41561-021-00768-3
Zhang et al. (2019) doi.org/10.1038/s41558-018-0350-3
Zhang et al (2022) doi.org/10.1038/s43247-022-00624-1
Shi et al. (2021) nature.com/articles/s41558-021-01212-5
Liu et al. (2023) spj.science.org/doi/10.34133/olar.0007
Hobbs et al. (2024) journals.ametsoc.org/view/journals/clim/aop/JCLI-D-23-0479.1/JCLI-D-23-0479.1.xml
Schroeter et al (2023) tc.copernicus.org/articles/17/701/2023
Wang et al. (2023) doi.org/10.1088/1748-9326/acc9d6
Simpkins (2023) nature.com/articles/s43017-023-00433-w
Spreen et al (2008) doi.org/10.1029/2005JC003384 (Sea-ice data from 2003 to 2023 from meereisportal.de (funding: REKLIM-2013-04))
nsidc.org/arcticseaicenews
theguardian.com/world/2024/feb/24/antarctica-sea-ice-reaches-alarming-low-for-third-year-in-a-row
climate.gov/news-features/understanding-climate/understanding-climate-antarctic-sea-ice-extent
carbonbrief.org/guest-post-why-2023-was-an-exceptional-year-for-antarctic-sea-ice
bas.ac.uk/media/media-visits/beyondtheice/january-2024-why-2023-was-an-exceptional-year-for-antarctic-sea-ice
theconversation.com/antarctica-is-missing-a-chunk-of-sea-ice-bigger-than-greenland-whats-going-on-210665
nsidc.org/arcticseaicenews/2023/09/antarctic-sets-a-record-low-maximum-by-wide-margin
Another year, another low.
Antarctic sea ice extent has officially reached its joint second lowest level on record. The summer minimum bottomed out at 1.99 mn km2, making the last 3 years the lowest we've ever observed.
But is this evidence of a ‘regime shift’ in sea ice? Watch on to find out...
##################################################
Contents
00:00 – A near-record
00:26 - A re-cap
01:33 - So what's going on?
02:35 - A regime shift?
03:46 - What happens in Antarctica doesn't stay in Antarctica
04:22 - A shout-out
#ClimateChange #Antarctica #SeaIce
##################################################
Thanks to my Patreon subscribers, including my Patreon Saints:
Steven Cowling, Eliot Bryant, Baerbel Winkler, Patrick Hillberg, Michael Unterweger, James Harley Gorrell & Lucien Mansell.
Join them here: patreon.com/dr_gilbz
##################################################
References and resources
Ionita (2024) frontiersin.org/articles/10.3389/feart.2024.1333706/full
Purich & Doddridge (2023) nature.com/articles/s43247-023-00961-9
Parkinson (2019) doi.org/10.1073/pnas.1906556116
Gilbert & Holmes (2024) rmets.onlinelibrary.wiley.com/doi/full/10.1002/wea.4518
Eayrs et al. (2021) nature.com/articles/s41561-021-00768-3
Zhang et al. (2019) doi.org/10.1038/s41558-018-0350-3
Zhang et al (2022) doi.org/10.1038/s43247-022-00624-1
Shi et al. (2021) nature.com/articles/s41558-021-01212-5
Liu et al. (2023) spj.science.org/doi/10.34133/olar.0007
Hobbs et al. (2024) journals.ametsoc.org/view/journals/clim/aop/JCLI-D-23-0479.1/JCLI-D-23-0479.1.xml
Schroeter et al (2023) tc.copernicus.org/articles/17/701/2023
Wang et al. (2023) doi.org/10.1088/1748-9326/acc9d6
Simpkins (2023) nature.com/articles/s43017-023-00433-w
Spreen et al (2008) doi.org/10.1029/2005JC003384 (Sea-ice data from 2003 to 2023 from meereisportal.de (funding: REKLIM-2013-04))
nsidc.org/arcticseaicenews
theguardian.com/world/2024/feb/24/antarctica-sea-ice-reaches-alarming-low-for-third-year-in-a-row
climate.gov/news-features/understanding-climate/understanding-climate-antarctic-sea-ice-extent
carbonbrief.org/guest-post-why-2023-was-an-exceptional-year-for-antarctic-sea-ice
bas.ac.uk/media/media-visits/beyondtheice/january-2024-why-2023-was-an-exceptional-year-for-antarctic-sea-ice
theconversation.com/antarctica-is-missing-a-chunk-of-sea-ice-bigger-than-greenland-whats-going-on-210665
nsidc.org/arcticseaicenews/2023/09/antarctic-sets-a-record-low-maximum-by-wide-margin
