Klima Kampen

Compared to the Arctic, Antarctica is responding less rapidly to climate change. Water's melting point, 32°F, is a critical threshold for rapid change in polar regions, and only a small fraction of the snow on Antarctica's miles-high ice sheet reaches that temperature in summer. Antarctica is also surrounded by a vast ocean, and it's buffered by winds and weather patterns that tend to isolate it from large warm-air intrusions. Still, the frozen continent has become warmer, and has lost billions of tons of ice as a result. Its future responses to warming air and ocean could have worldwide consequences.

Air temperature changes
Like other continents, Antarctica feels the impacts of climate change at different rates in different places. Multiple studies have reported rising temperatures in West Antarctica. A 2013 study led by David Bromwich reported a temperature increase of 4.3 ± 2.2°F over 1958–2010. A 2014 study by Bromwich and Julien Nicolas reconstructed Antarctic near-surface monthly mean temperatures from 1958–2012 and concluded that annual temperatures rose 0.40 ± 0.22°F per decade across West Antarctica, and 0.59 ± 0.31°F per decade across the Antarctic Peninsula.

Over East Antarctica, which is much higher in elevation, temperature trends have been harder to assess. The 2014 Bromwich and Nicolas study concluded that temperatures rose by 0.11 ± 0.16°F per decade between 1958–2012, but the trend was not statistically significant. At the Amundsen-Scott Station at the South Pole—located in East Antarctica—temperatures have cooled in recent decades; a 2014 review paper in Polar Record suggested that the cooling trend could be due to fewer warm ocean air masses reaching the continent's interior.

Monthly average sea surface temperatures in the Southern Ocean around Antarctica from 1850–2017, based on NOAA's ERSSTv5 data set. Analysis by Climate Reanalyzer, University of Maine Climate Change Institute.

Although seasonal cycles and historically low sample sizes have complicated scientists' attempts to detect long-term temperature changes in the Southern Ocean, a temperature record extending back to 1925, with frequent measurements, exists around South Georgia Island. Those measurements show a warming of 4.1°F over 81 years in the upper 500 feet of the ocean, according to a 2013 review paper in Polar Record.

Peter Villadsen skrev:
Hvad siger forskningen så om temperaturerne omkring Antarktis.
Her er NOAA:

Compared to the Arctic, Antarctica is responding less rapidly to climate change. Water's melting point, 32°F, is a critical threshold for rapid change in polar regions, and only a small fraction of the snow on Antarctica's miles-high ice sheet reaches that temperature in summer. Antarctica is also surrounded by a vast ocean, and it's buffered by winds and weather patterns that tend to isolate it from large warm-air intrusions. Still, the frozen continent has become warmer, and has lost billions of tons of ice as a result. Its future responses to warming air and ocean could have worldwide consequences.

Air temperature changes
Like other continents, Antarctica feels the impacts of climate change at different rates in different places. Multiple studies have reported rising temperatures in West Antarctica. A 2013 study led by David Bromwich reported a temperature increase of 4.3 ± 2.2°F over 1958–2010. A 2014 study by Bromwich and Julien Nicolas reconstructed Antarctic near-surface monthly mean temperatures from 1958–2012 and concluded that annual temperatures rose 0.40 ± 0.22°F per decade across West Antarctica, and 0.59 ± 0.31°F per decade across the Antarctic Peninsula.

Over East Antarctica, which is much higher in elevation, temperature trends have been harder to assess. The 2014 Bromwich and Nicolas study concluded that temperatures rose by 0.11 ± 0.16°F per decade between 1958–2012, but the trend was not statistically significant. At the Amundsen-Scott Station at the South Pole—located in East Antarctica—temperatures have cooled in recent decades; a 2014 review paper in Polar Record suggested that the cooling trend could be due to fewer warm ocean air masses reaching the continent's interior.

https://www.climate.gov/news-features/features/antarctica-colder-arctic-it's-still-losing-ice
Så sludder og vrøvl ifølge NOAA, når det udokumenteret påstås, at Antarktis ikke opvarmes.

I hvor lang tid skal polerne undlade at varme op, før hypotesen om katastrofal menneskeskabt global opvarmning grundet udledning af CO2 er falsificeret?

The continent-wide average surface temperature trend of Antarctica is positive – that is, the temperature is increasing – and significant at more than 0.05 °C (0.09 °F) per decade since 1957.[29][30][31][32] The West Antarctic ice sheet has warmed by more than 0.1 °C (0.18 °F) per decade in the last 50 years,[33] and is strongest in winter and spring. Although this is partly offset by fall cooling in East Antarctica, this effect is restricted to the 1980s and 1990s.[29][30][31]

Research published in 2009 found that overall the continent had become warmer since the 1950s, a finding consistent with the influence of man-made climate change. "We can't pin it down, but it certainly is consistent with the influence of greenhouse gases from fossil fuels", said NASA scientist Drew Shindell, one of the study's authors. Some of the effects could be due to natural variability, he added.[34]

kfl skrev:
alle, der er uenig med dig, er nogle idioter og disse bør død snarest muligt - herunder folk fra DMI.

Har du en officiel dødsliste ? eller der det kun særlig udvalgte ?

kfl skrev:
Du går langt ud over, hvad man kan mene/skrive på en blok og derfor vil jeg henstille, at du bliver udelukket fra Klimadebat.dk i en periode så du kan køle lidt af.

Jeg har bemærket, at du også skriver på Klimarealisterne. De er åbenbart enig med dig ! Ganske Interessant !

Antarktis, hele området omkring Sydpolen, har ikke varmet op i 40 år.

The ACC is not immune to climate change. The Southern Ocean has warmed and freshened in the upper 2,000 m. Rapid warming and freshening has also been found in the Antarctic Bottom Water, the deepest layer of the ocean.

Waters south of the Polar Front are becoming fresher due to increased rainfall there, and waters to the north of the Polar Front are becoming saltier due to increased evaporation. These changes are caused by human activity, primarily through adding greenhouse gases to the atmosphere, and depletion of the ozone layer. The ozone hole is now recovering but greenhouse gases continue to rise globally.

Winds have strengthened by about 40% over the Southern Ocean over the past 40 years. Surprisingly, this has not translated into an increase in the strength of the ACC. Instead there has been an increase in eddies that move heat towards the pole, particularly in hotspots such as Drake Passage, Kerguelen Plateau, and between Tasmania and New Zealand.

We have observed much change already. The question now is how this increased transfer of heat across the ACC will impact the stability of the Antarctic ice sheet, and consequently the rate of global sea-level rise.

Peter Villadsen skrev:
Hvad siger forskningen så om temperaturerne omkring Antarktis.
Her er NOAA:

Compared to the Arctic, Antarctica is responding less rapidly to climate change. Water's melting point, 32°F, is a critical threshold for rapid change in polar regions, and only a small fraction of the snow on Antarctica's miles-high ice sheet reaches that temperature in summer. Antarctica is also surrounded by a vast ocean, and it's buffered by winds and weather patterns that tend to isolate it from large warm-air intrusions. Still, the frozen continent has become warmer, and has lost billions of tons of ice as a result. Its future responses to warming air and ocean could have worldwide consequences.

Air temperature changes
Like other continents, Antarctica feels the impacts of climate change at different rates in different places. Multiple studies have reported rising temperatures in West Antarctica. A 2013 study led by David Bromwich reported a temperature increase of 4.3 ± 2.2°F over 1958–2010. A 2014 study by Bromwich and Julien Nicolas reconstructed Antarctic near-surface monthly mean temperatures from 1958–2012 and concluded that annual temperatures rose 0.40 ± 0.22°F per decade across West Antarctica, and 0.59 ± 0.31°F per decade across the Antarctic Peninsula.

Over East Antarctica, which is much higher in elevation, temperature trends have been harder to assess. The 2014 Bromwich and Nicolas study concluded that temperatures rose by 0.11 ± 0.16°F per decade between 1958–2012, but the trend was not statistically significant. At the Amundsen-Scott Station at the South Pole—located in East Antarctica—temperatures have cooled in recent decades; a 2014 review paper in Polar Record suggested that the cooling trend could be due to fewer warm ocean air masses reaching the continent's interior.

https://www.climate.gov/news-features/features/antarctica-colder-arctic-it's-still-losing-ice
Så sludder og vrøvl ifølge NOAA, når det udokumenteret påstås, at Antarktis ikke opvarmes.

Peter Villadsen skrev:
https://www.facebook.com/groups/243796556169211

Prøv at læse kommentarerne :-) :-)
Virkeligt interessant som nogen går i selvsving.

crank skrev:

Peter Villadsen skrev:
https://www.facebook.com/groups/243796556169211

Prøv at læse kommentarerne :-) :-)
Virkeligt interessant som nogen går i selvsving.

Jeg kan intet se der. Det må være en gruppe, der har blokeret mig.

Kan man få et screenshot?


.

John Niclasen skrev:

Det pseudovidenskabelige nonsens om katastrofal menneskeskabt global opvarmning er det største og dyreste bedrag i historien.

Mange klimaalarmister er idioter.
Nogle har lav IQ.