Paleo-climatology

3 More New Studies Affirm Sea Levels Were 5 to 9 Meters Higher Than Today 7000-5000 Years Ago

3 More New Studies Affirm Sea Levels Were 5 to 9 Meters Higher Than Today 7000-5000 Years Ago

Modern relative sea levels are near the lowest in the last 7,000 years. Two studies, independently published, identify Mid-Holocene sea levels in northern Norway (north of the Arctic circle) as 7 to 9 meters higher than today before declining to the present (Balascio et al., 2024, Nielsen et al., 2024). This region of the Arctic […]

Uncertainty In Natural Forcing From Wildfire, Dust Aerosols 2 Times Larger Than Total CO2 Forcing

Uncertainty In Natural Forcing From Wildfire, Dust Aerosols 2 Times Larger Than Total CO2 Forcing

The radiative effect of natural wildfire aerosol forcing alone can be said to fully cancel out the total accumulated forcing from 170 years of CO2 increases in the current climate. It has been estimated that the total change in climate forcing (radiation imbalance) from the 1750 to present CO2 concentration increase has been 1.82 W/m². […]

3 More New Studies Indicate There Has Been No Climate-Induced Precipitation Trend Since The 1800s

3 More New Studies Indicate There Has Been No Climate-Induced Precipitation Trend Since The 1800s

CO2-induced global warming was supposed to intensify the hydrological cycle and extreme precipitation. It hasn’t. New research (Mitchell and Knapp, 2024) at a southeastern United States study site indicates there has been no significant trend in either total precipitation or intense rainfall events (IRE) over the last 250 years (1770-2020). However, there was more IRE […]

New Alarmist Definition Of A Region's 'Rapid Climate Change' Is A Slight Cooling Trend Since 1960

New Alarmist Definition Of A Region’s ‘Rapid Climate Change’ Is A Slight Cooling Trend Since 1960

A  -0.005°C temperature change over a span of 60 years in northern Pakistan (Himalaya region) is ostensibly having “adverse impacts in multiple sectors.” The first sentence of a new paper’s (Khan et al., 2024) abstract claims: “Hindu Kush Himalaya region is experiencing rapid climate change with adverse impacts in multiple sectors.” But in the body […]

A New 1787-2005 Temperature Reconstruction Determines The Coldest 50-Year Period Was 1940-1993

A New 1787-2005 Temperature Reconstruction Determines The Coldest 50-Year Period Was 1940-1993

The warmest 50-year period in northeastern China occurred from 1844-1893. Li et al., 2024 “Compared with single years, in general, high or low temperatures that persist for many years will more significantly affect the growth of trees [30]. When we defined years with T12-1 ≥ −10.73 °C (Mean + 1σ) and T12-1 ≤ −12.61 °C […]

New Study: Greenland's Ice Stream Flow Patterns Change Internally, 'Spontaneously' Within Centuries

New Study: Greenland’s Ice Stream Flow Patterns Change Internally, ‘Spontaneously’ Within Centuries

Ice flowed out of the interior of the Greenland ice sheet at much stronger rates and with much greater variability than today throughout the Holocene – or until about 2,000 years ago. New research (Jansen et al., 2024) has determined Greenland’s ice streams vary according to internal processes, and not necessarily due to external changes […]

The Elevation Of The Early Holocene's W. Antarctic Ice Sheet Once Plunged 480 Meters In 200 Years

The Elevation Of The Early Holocene’s W. Antarctic Ice Sheet Once Plunged 480 Meters In 200 Years

Retreat rates for the West Antarctic Ice Sheet (WAIS) were massive during the Early Holocene, when CO2 concentrations were low and stable (~265 ppm), dwarfing any retreat rates witnessed in the modern era. New research published in Nature Geoscience (Grieman et al., 2024) assesses the elevation of West Antarctica’s ice sheet fell by ~480 m within […]

New Study: 3500 Years Ago Shorelines Were 6 Kilometers Further Inland Than Today Around Thailand

New Study: 3500 Years Ago Shorelines Were 6 Kilometers Further Inland Than Today Around Thailand

Relative sea level change over the Holocene documents a much warmer past than today. Because it was so much warmer during the Early to Middle Holocene (~8000 to ~4000 years ago), there was significantly less water locked up on land (Greenland, Antarctica) in the form of ice sheets and glaciers. Instead, this water occupied ocean […]

New Study: Denmark Coast Has Been Expanding Seaward At A Rate Of +1.4 Meters Per Year Since 1900

New Study: Denmark Coast Has Been Expanding Seaward At A Rate Of +1.4 Meters Per Year Since 1900

Scientists have found evidence that the coastal land area grew (prograded) by 120 meters from 1900 to 1985 at a study site in central Denmark.  Per a new study, relative sea levels (RSL) in central Denmark were “~4.5 m higher than present between c. 6.6 and 5.9 ka ago.” After this highstand, RSL declined towards […]

2023 Scientific Papers Cast Doubt On ‘Consensus’ In Climate Science

In 2023, hundreds of scientific papers were published that cast doubt on the position that anthropogenic CO2 emissions function as the climate’s fundamental control knob…or that otherwise serve to question the efficacy of climate models or the related “consensus” positions commonly endorsed by policymakers and mainstream media sources. There are significant limitations and uncertainties inherent […]

The Narrative That Polar Bears Need Sea Ice To Catch Prey Has Collapsed As More Evidence Piles Up

The Narrative That Polar Bears Need Sea Ice To Catch Prey Has Collapsed As More Evidence Piles Up

Arctic regions with 6+ months of sea ice coverage today were ice-free nearly year-round 9,000 to 5,000 years ago (2°C warmer) and 130,000 to 115,000 years ago (7-8°C warmer). And yet polar bears survived these periods. Per a new study, today’s Scandinavian Arctic climate is so cold it is actually “comparable” to that of the […]

Paleoclimate Reconstructions Continue To Document A Much Warmer-Than-Today Holocene

Paleoclimate Reconstructions Continue To Document A Much Warmer-Than-Today Holocene

According to a new study, eastern Mediterranean summer temperatures were 1.5°C to 3°C “greater than the present” from about 11,000 to 7,000 years ago, when CO2 levels were approximately 265 ppm. Then the temperatures “followed a gradual decline towards present-day conditions”. “The MTWA also showed an increasing trend from 9 ka and reached a maximum of […]

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