Tag #Climate Models

Showing 13 to 17 of 17 results

nos.nl

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Dec 6, 10:07

Reduced Low-Lying Clouds Exacerbated 2023 Record Temperatures

A new study in Science attributes the unexpectedly rapid global warming in 2023 to a reduction in low-lying clouds over oceans, reducing the Earth's albedo, increasing solar absorption, and leading to higher temperatures and increased precipitation; the study's authors warn that a self-reinforcing f...

Reduced Low-Lying Clouds Exacerbated 2023 Record Temperatures

A new study in Science attributes the unexpectedly rapid global warming in 2023 to a reduction in low-lying clouds over oceans, reducing the Earth's albedo, increasing solar absorption, and leading to higher temperatures and increased precipitation; the study's authors warn that a self-reinforcing f...

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How does the decrease in low-lying clouds affect the Earth's albedo, and what are the observed consequences of this change?

The study reveals a declining planetary albedo since the 1970s, partly from melting snow and ice, but significantly impacted by reduced low cloud cover. Satellite data and climate models suggest this cloud decrease explains a substantial portion of the warming trend. The researchers found that less low-level cloud cover caused the earth to absorb more sunlight, leading to higher temperatures and increased precipitation in the Netherlands.

zeit.de

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Dec 5, 22:09

Record-Low Planetary Albedo Contributed to Unprecedented 2023-2024 Global Warming

A new study reveals that a record-low planetary albedo in 2023, primarily due to a decrease in low-level clouds, contributed significantly to the exceptionally warm temperatures of 2023 and 2024, exceeding many climate model predictions and potentially indicating a higher climate sensitivity than pr...

Record-Low Planetary Albedo Contributed to Unprecedented 2023-2024 Global Warming

A new study reveals that a record-low planetary albedo in 2023, primarily due to a decrease in low-level clouds, contributed significantly to the exceptionally warm temperatures of 2023 and 2024, exceeding many climate model predictions and potentially indicating a higher climate sensitivity than pr...

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How does the reduction in low-level clouds contribute to the observed increase in global temperatures?

"The decrease in low-level clouds in recent years, as evidenced by satellite data, is partially responsible for the record-high temperatures in 2023 and 2024. This reduction in cloud cover decreases the Earth's albedo (reflectivity), causing more solar radiation to be absorbed and resulting in a warming effect. This is consistent with climate models suggesting a stronger positive feedback loop between warming and reduced cloud cover."

it.euronews.com

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Nov 18, 04:11

Icelandic Dust: A Climate Change Wildcard

Research on Iceland's black volcanic dust reveals its significant impact on glacial melt and climate, leading scientists to employ innovative methods for improved climate models.

Icelandic Dust: A Climate Change Wildcard

Research on Iceland's black volcanic dust reveals its significant impact on glacial melt and climate, leading scientists to employ innovative methods for improved climate models.

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What are the main climate impacts of Icelandic HLD, considering both its warming and potential cooling effects?

This dust, termed High Latitude Dust (HLD), also influences cloud formation, potentially affecting weather patterns and global warming predictions.

nos.nl

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Dec 6, 07:09

Ocean Cloud Decrease Amplified 2023's Record-Breaking Temperatures

A new study in Science attributes the unexpectedly high temperatures of last year partly to a decrease in low-level ocean clouds, which reduced the planet's albedo and amplified warming, potentially creating a dangerous feedback loop.

Ocean Cloud Decrease Amplified 2023's Record-Breaking Temperatures

A new study in Science attributes the unexpectedly high temperatures of last year partly to a decrease in low-level ocean clouds, which reduced the planet's albedo and amplified warming, potentially creating a dangerous feedback loop.

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What is the key factor, newly identified by scientists, that explains the unexpectedly high temperatures of last year?

Last year was the warmest on record, partly due to the greenhouse effect and El Niño. However, a new Science study identifies a crucial missing factor: a decrease in low-level ocean clouds, reducing the planet's albedo and leading to increased solar absorption and warming. This resulted in unusually high temperatures.

faz.net

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Dec 5, 16:09

2024 Global Temperature Exceeds 1.5-Degree Limit, Accelerated Warming Linked to Albedo Reduction

Despite La Niña's cooling effect, 2024's global temperature reached approximately 1.6 degrees Celsius above pre-industrial levels, exceeding the Paris Agreement's 1.5-degree limit due to factors including a reduction in planetary albedo from decreased low-hanging clouds, potentially linked to air po...

2024 Global Temperature Exceeds 1.5-Degree Limit, Accelerated Warming Linked to Albedo Reduction

Despite La Niña's cooling effect, 2024's global temperature reached approximately 1.6 degrees Celsius above pre-industrial levels, exceeding the Paris Agreement's 1.5-degree limit due to factors including a reduction in planetary albedo from decreased low-hanging clouds, potentially linked to air po...

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How does the decrease in planetary albedo, particularly the reduction in low-hanging clouds, contribute to the accelerated warming trend observed since 2015?

The accelerated warming trend since 2015, exceeding rates observed in previous decades, cannot be fully explained by greenhouse gas emissions alone. Additional factors, such as the decrease in planetary albedo due to reduced reflectivity from disappearing low-hanging clouds, contribute significantly to this accelerated warming.

Showing 13 to 17 of 17 results