Climate Change News & Discussions

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September Breaks Record for Hottest Global Temperature, Follows Warmest Summer
Source: The Daily Beast

The summer contained some of the hottest days recorded worldwide, and this fall has so far featured temperatures that are even more abnormal. According to data by the Japan Meteorological Agency obtained by The Washington Post, the global average temperature surpassed the September record by 0.9 degrees Fahrenheit. Zeke Hausfather, a climate scientist for Stripe, called the measurements “absolutely gobsmackingly bananas.”

Researchers claim that the severe heat is the result of human-driven climate change due to actions such as burning fossil fuels and El Niño, a warming climate trend that is believed to reach its maximum in the winter. Studies show that the world is significantly hotter than the previous major El Niño in 2015 and 2016, giving rise to extreme weather phenomena like the floods in Libya caused by Storm Daniel last month. According to Axios, El Niño’s effects work on a delay, so 2024 may be even warmer.

Read more: https://www.thedailybeast.com/september ... est-summer

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With the sobering headlines above, we truly need to accelerate our direct carbon capture efforts even it's not too profitable.

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Over 40% of Antarctica's ice shelves reduced in volume over 25 years, scientists say
https://phys.org/news/2023-10-antarctic ... years.html
by University of Leeds

The graphic shows the water temperatures around the Antarctic. On the western side of Antarctica, water temperature at the sea floor is approaching 2 degrees C—and that is warm enough to melt the ice that is flowing on top of it. Sea temperatures on the eastern flank are colder. Credit: Dr Benjamin Davison, University of Leeds

According to scientists, 71 of the 162 ice shelves that surround Antarctica have reduced in volume over 25 years from 1997 to 2021, with a net release of 7.5 trillion metric tons of meltwater into the oceans. The work is published in the journal Science Advances.

They found that almost all the ice shelves on the western side of Antarctica experienced ice loss. In contrast, most of the ice shelves on the eastern side stayed the same or increased in volume.

Over the 25 years, the scientists calculated almost 67 trillion metric tons of ice was exported to the ocean, which was offset by 59 trillion metric tons of ice being added to the ice shelves, giving a net loss of 7.5 trillion metric tons.

Dr. Benjamin Davison, a research fellow at the University of Leeds who led the study, said, "There is a mixed picture of ice-shelf deterioration, and this is to do with the ocean temperature and ocean currents around Antarctica.

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September 2023

The September global surface temperature was 1.44°C (2.59°F) above the 20th-century average of 15.0°C (59.0°F), making it the warmest September on record. September 2023 marked the 49th-consecutive September and the 535th-consecutive month with temperatures at least nominally above the 20th-century average. September 2023 was 0.46°C (0.83°F) above the previous record from September 2020, and marks the largest positive monthly global temperature anomaly of any month on record. The September 2023 global temperature anomaly surpassed the previous record-high monthly anomaly from March 2016 by 0.09°C (0.16°F). The past ten Septembers (2014–2023) have been the warmest Septembers on record.

Year-to-date Temperature: January–September 2023

The January–September global surface temperature ranked highest in the 174-year record at 1.10°C (1.98°F) above the 1901–2000 average of 14.1°C (57.5°F). This surpassed the previous record from January–September 2016 by 0.03°C (0.05°F). According to NCEI's statistical analysis and data through September, there is a greater than 99% chance that 2023 will rank as the warmest year on record.

https://www.ncei.noaa.gov/access/monito ... bal/202309

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