Polar Melting: Difference between revisions

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===== Meanwhile, Thwaites is not waiting around =====

[https://www.dailykos.com/stories/2025/1/22/2298597/-Meanwhile-Thwaites-is-not-waiting-around?pm_campaign=front_page&pm_source=trending&pm_medium=web by Jamess 22/1/25 DAILY KOS]

Yesterday’s Thwaites Crack Opened Up Today, and More Cracks Appear: Update

===== Melting glaciers and ice caps could unleash wave of volcanic eruptions, study says =====

[https://www.theguardian.com/environment/2025/jul/08/climate-crisis-melting-glaciers-ice-caps-volcanic-eruptions-chile-antartica-volcanoes by Damian Carrington 8/7/25 The Guardian]

The loss of ice releases the pressure on underground magma chambers and makes eruptions more likely. This process has been seen in Iceland, an unusual island that sits on a mid-ocean tectonic plate boundary. But the research in Chile is one of the first studies to show a surge in volcanism on a continent in the past, after the last ice age ended.

===== Glaciers will keep melting for centuries even if warming stops, study warns =====

[https://www.the-independent.com/climate-change/news/swiss-glacier-collapse-melting-b2761880.html by Stuti Mishra 3/6/25 INDEPENDENT]

About 40 per cent of the world's glacier mass is already set to disappear due to past greenhouse gas emissions. The ongoing loss not only contributes to sea-level rise but also threatens freshwater supplies and increases the risk of natural hazards in mountainous regions.

===== Gone with the glaciers: Researchers track unprecedented ice loss =====

[https://phys.org/news/2025-06-glaciers-track-unprecedented-ice-loss.html by Hakai Institute 25/6/25 PHYS ORG]

A study published in Geophysical Research Letters reveals that glaciers in western Canada, the United States, and Switzerland lost around 12% of their ice between 2021 and 2024.

===== Gone with the glaciers: Researchers track unprecedented ice loss =====

[https://phys.org/news/2025-06-glaciers-track-unprecedented-ice-loss.html by Hakai Institute 25/6/25 PHYS ORG]

A study published in Geophysical Research Letters reveals that glaciers in western Canada, the United States, and Switzerland lost around 12% of their ice between 2021 and 2024.

===== New maps show where snowfall is disappearing =====

[https://edition.cnn.com/2023/11/25/weather/snowfall-temperatures-climate-change-water/index.html by Eric Zerkel 25/11/23 CNN]

Snowfall is declining globally as temperatures warm because of human-caused climate change, a new analysis and maps from a NOAA climate scientist show.

===== Warming of +1.5 °C is too high for polar ice sheets =====

[https://www.nature.com/articles/s43247-025-02299-w by Chris R.Strokes 20/5/25 Communications earth & environment]

Global mean sea level (GMSL) increased by around 20 cm from 1901 to 2018, with the rate of change accelerating from ~1.4 mm year−1 (1901–1990) to ~3.7 mm year−1 (2006–2018)1 and, most recently, to 4.5 mm year−1 (2023)2. Several processes contribute to sea-level rise (SLR), but melting of glaciers and ice sheets is the dominant source, adding ~1.6 mm year−1 from 2006 to 2018, and now exceeding thermal expansion of the oceans (~1.4 mm year−1)1. Smaller mountain glaciers and ice caps dominated the cryosphere’s contribution to GMSL rise during the 20th Century1,3,4,5 and they will continue to shrink rapidly1,6, with profound impacts on water resources and human activities

#

===== Sea ice controls net ocean uptake of carbon dioxide by regulating wintertime stratification =====

Polar Melting: Difference between revisions

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@@ Line 7: / Line 7: @@
 |image_height=200
 }}
+===== Meanwhile, Thwaites is not waiting around =====
+[https://www.dailykos.com/stories/2025/1/22/2298597/-Meanwhile-Thwaites-is-not-waiting-around?pm_campaign=front_page&pm_source=trending&pm_medium=web by Jamess 22/1/25 DAILY KOS]
+ Yesterday’s Thwaites Crack Opened Up Today, and More Cracks Appear: Update
+===== Melting glaciers and ice caps could unleash wave of volcanic eruptions, study says =====
+[https://www.theguardian.com/environment/2025/jul/08/climate-crisis-melting-glaciers-ice-caps-volcanic-eruptions-chile-antartica-volcanoes by Damian Carrington 8/7/25 The Guardian]
+ The loss of ice releases the pressure on underground magma chambers and makes eruptions more likely. This process has been seen in Iceland, an unusual island that sits on a mid-ocean tectonic plate boundary. But the research in Chile is one of the first studies to show a surge in volcanism on a continent in the past, after the last ice age ended.
+===== Glaciers will keep melting for centuries even if warming stops, study warns =====
+[https://www.the-independent.com/climate-change/news/swiss-glacier-collapse-melting-b2761880.html by Stuti Mishra 3/6/25 INDEPENDENT]
+ About 40 per cent of the world's glacier mass is already set to disappear due to past greenhouse gas emissions. The ongoing loss not only contributes to sea-level rise but also threatens freshwater supplies and increases the risk of natural hazards in mountainous regions.
+===== Gone with the glaciers: Researchers track unprecedented ice loss =====
+[https://phys.org/news/2025-06-glaciers-track-unprecedented-ice-loss.html by Hakai Institute 25/6/25 PHYS ORG]
+ A study published in Geophysical Research Letters reveals that glaciers in western Canada, the United States, and Switzerland lost around 12% of their ice between 2021 and 2024.
+===== Gone with the glaciers: Researchers track unprecedented ice loss =====
+[https://phys.org/news/2025-06-glaciers-track-unprecedented-ice-loss.html by Hakai Institute 25/6/25 PHYS ORG]
+ A study published in Geophysical Research Letters reveals that glaciers in western Canada, the United States, and Switzerland lost around 12% of their ice between 2021 and 2024.
+===== New maps show where snowfall is disappearing =====
+[https://edition.cnn.com/2023/11/25/weather/snowfall-temperatures-climate-change-water/index.html by Eric Zerkel 25/11/23 CNN]
+ Snowfall is declining globally as temperatures warm because of human-caused climate change, a new analysis and maps from a NOAA climate scientist show.
+===== Warming of +1.5 °C is too high for polar ice sheets =====
+[https://www.nature.com/articles/s43247-025-02299-w by Chris R.Strokes 20/5/25 Communications earth & environment]
+ Global mean sea level (GMSL) increased by around 20 cm from 1901 to 2018, with the rate of change accelerating from ~1.4 mm year−1 (1901–1990) to ~3.7 mm year−1 (2006–2018)1 and, most recently, to 4.5 mm year−1 (2023)2. Several processes contribute to sea-level rise (SLR), but melting of glaciers and ice sheets is the dominant source, adding ~1.6 mm year−1 from 2006 to 2018, and now exceeding thermal expansion of the oceans (~1.4 mm year−1)1. Smaller mountain glaciers and ice caps dominated the cryosphere’s contribution to GMSL rise during the 20th Century1,3,4,5 and they will continue to shrink rapidly1,6, with profound impacts on water resources and human activities
+#
 ===== Sea ice controls net ocean uptake of carbon dioxide by regulating wintertime stratification =====