Paleo-climatology

New Reconstructions Show It Is Colder Now Than At Any Time In The Last 10,000 Years

New Reconstructions Show It Is Colder Now Than At Any Time In The Last 10,000 Years

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Share this…FacebookTwitterScientists continue to find regions of the world where modern “global” warming has not occurred. Sea surface temperatures (SSTs) in the South Atlantic (south of South Africa) and Southern Ocean (New Zealand) are colder today than they have been at any time in the last 12,500 years (Shuttleworth et al., 2021). SSTs were multiple […]

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Oceans Were More 'Acidic' In The 1730s...Today's CO2 Levels Are Geologically Trifling

Oceans Were More ‘Acidic’ In The 1730s…Today’s CO2 Levels Are Geologically Trifling

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Share this…FacebookTwitterA new study shows ocean pH (“acidification”) levels naturally vary seasonally and decadally at rates and magnitudes far exceeding those attributed to anthropogenic activity. In recent decades the oceans’ average pH level has fallen to 8.1 according to NOAA. This pH value is said to be about one-tenth of a unit lower than it […]

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New Study: High Arctic Canada's Early Holocene Winter Air Temperatures Were '6-8°C Warmer Than Today'

New Study: High Arctic Canada’s Early Holocene Winter Air Temperatures Were ‘6-8°C Warmer Than Today’

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Share this…FacebookTwitter The Canadian Arctic’s surface temperatures have been up to 15 to 25°C warmer than today during the geologically recent Holocene, Pleistocene, and Pliocene epochs. Scientists (Campbell-Heaton et al., 2021) assessing the ratio of winter temperature at the ground surface to that in the air (the “freezing n-factor”) suggest ground surface winter temperatures now […]

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Scientists Increasingly Agree The Last Ice Age Temperatures Were ~3-4°C Warmer Than Today's

Scientists Increasingly Agree The Last Ice Age Temperatures Were ~3-4°C Warmer Than Today’s

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Share this…FacebookTwitterIn a “major revision” to the “long-standing view,” scientists are increasingly concluding the last glacial had summers “several degrees” warmer than today, with climate conditions warm enough to allow year-round grass grazing by horses, antelope, gazelle…in Siberia, Alaska, and north of the Arctic circle. Multiple degrees warmer glacial temperatures pervaded both hemispheres. The “long-standing […]

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Today's Madagascar Drought Entirely Normal, 2000 Years Of Data Show...Link To Climate Change "Not Correct"

Today’s Madagascar Drought Entirely Normal, 2000 Years Of Data Show…Link To Climate Change “Not Correct”

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Share this…FacebookTwitterMadagascar’s current drought is perfectly within normal range. Droughts were even worse in the past, 2000 years of precipitation reconstruction data show… Linking Madagascar drought to climate change “scientifically not correct” Not surprisingly, there been lots of climate doomsday talk about the drought and hunger situation in Madagascar, all coming from the usual suspects. […]

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Sea Levels Near B.C. Canada Were 90 Meters Higher Than Today 14,500 Years Ago

Sea Levels Near B.C. Canada Were 90 Meters Higher Than Today 14,500 Years Ago

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Share this…FacebookTwitterA new study suggests British Columbia (Canada) relative sea levels remained 10 meters higher than they are today until they fell to their present levels in the last ~1800 years. Two other new studies suggest sea levels were still 0.8 to 1 meter higher than today during the Medieval Warm Period. After the peak […]

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New Study: Retreating East Greenland Glaciers Uncover Plant Debris Dating To The 16th - 17th Centuries

New Study: Retreating East Greenland Glaciers Uncover Plant Debris Dating To The 16th – 17th Centuries

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Share this…FacebookTwitterExposed moss and willow shrubs buried beneath today’s receding East Greenland glaciers can be dated to 400 to 500 years ago, suggesting this period (the early Little Ice Age) was as-warm or warmer than today. It is widely accepted that Greenland’s surface temperatures were several degrees warmer (McFarlin et al., 2018, Axford et al., […]

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New Study: 2000-Year Precipitation Reconstructions Expose Climate Models Still Of Junk Grade

New Study: 2000-Year Precipitation Reconstructions Expose Climate Models Still Of Junk Grade

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Share this…FacebookTwitterA new study by Atwood et al (2021) published in the journal of Paleoceanography and Paleoclimatology found there’s “poor agreement” between precipitation reconstructions and model simulations over the past 2000 years. This means future projections made by current models are unreliable.  Die kalte Sonne here reports on a team of scientists who examined 67 […]

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The IPCC's Latest PAGES 2k (2019) Temperature Hockey Stick Is Contradicted By . . . PAGES 2k (2015)

The IPCC’s Latest PAGES 2k (2019) Temperature Hockey Stick Is Contradicted By . . . PAGES 2k (2015)

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Share this…FacebookTwitterThe IPCC’s latest report uses a hockey stick-shaped reconstruction of global temperatures that wholly contradicts previous records  produced by the same PAGES 2k and Oceans 2k consortiums from 4 years earlier. In 2015, the PAGES 2k Consortium published an updated (“corrected”) 0-2000 AD global reconstruction that showed a large portion of the 1st millennium […]

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The Western Pacific Has Continued Cooling Since The Little Ice Age Ended

The Western Pacific Has Continued Cooling Since The Little Ice Age Ended

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Share this…FacebookTwitterA new study suggests the modern (1994-2004) surface temperatures in the South China Sea are colder now than any time in the last 6000 years. Except for a brief interval ~500 years ago, SSTs have been consistently 2-4°C warmer than today since the middle Holocene in the South China Sea (Zhou et al., 2021). […]

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There Were 23 Global Warming Jolts Many Times Faster And Greater Than Modern During The Last Glacial

There Were 23 Global Warming Jolts Many Times Faster And Greater Than Modern During The Last Glacial

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Share this…FacebookTwitterDozens of rapid warming and cooling periods episodically occurred throughout the last glacial. However, they have often been dismissed as local-only events. A 2020 study published in Science robustly affirms steeper-than-today warming periods spanned both hemispheres and 23 of 25 were “globally synchronous.”  Geologists have long recognized that Greenland abruptly warmed up by 5 […]

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The USA's Rocky Mountains Have Not Been Cooperating With The Global Warming Narrative

The USA’s Rocky Mountains Have Not Been Cooperating With The Global Warming Narrative

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Share this…FacebookTwitterThere has been no net warming in the Rocky Mountains in the last 500 years. The southern Rocky Mountains were as warm or warmer than recent decades during the 1600s and 1700s and they have been cooling since the 1950s (Berkelhammer and Stott, 2012, Heeter et al., 2020). Image Source: Berkelhammer and Stott, 2012 […]

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