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By Kenneth Richard on 25. March 2025
“[T]he increase in absorbed solar radiation is primarily due to natural variations in cloudiness and surface albedo, which have served as the main forcing factors of the flux above the atmosphere over the last 2 decades.” – Diodato et al., 2025 It is commonly accepted that there has been a satellite-observed (CERES) cloud cover albedo […]
Posted in Cloud Climate Influence, Little Ice Age, Medieval Warm Period, Natural Oceanic Oscillations, Paleo-climatology, Solar Sciences |
By Kenneth Richard on 13. March 2025
“Until now, the origin of the climate dynamics of the Central Andes during the last millennium has been speculative. On the basis of statistical evidence, we have identified solar variability as its origin.” – Schittek et al., 2025 In a new study, scientists have determined: 1) The Little Ice Age (LIA) was a global-scale cold […]
Posted in Little Ice Age, Medieval Warm Period, Paleo-climatology, Solar Sciences |
By P Gosselin on 30. November 2024
The Little Ice Age By Klimanachrichten The period between 1250 and 1860 is also known as the Little Ice Age. We have already reported on it several times here. The Little Ice Age was the undoing of the Franklin expedition, among others. In search of the Northwest Passage, the crew failed because of the ice, […]
Posted in Little Ice Age, Medieval Warm Period |
By Kenneth Richard on 21. December 2023
Warmer sea surface temperatures are associated with coral growth, not decline. According to a new study, coral growth was slow during the ~1°C colder Little Ice Age (LIA), but grew rapidly as sea surface temperatures (SSTs) warmed after 1850. Warmth is associated with coral growth, whereas colder SSTs are linked to growth rate decline. “The […]
Posted in Coral Reefs, Little Ice Age, Paleo-climatology |
By Kenneth Richard on 27. July 2023
The mean annual temperature was 2-3°C warmer than present during the Holocene Thermal Maximum in arid central Asia. Over the last few millennia, Silk Road human civilizations (e.g., Sui, Tang, Ming, Yuan Dynasties) flourished during warm periods and declined during cool periods (Ding et al., 2023). The modern hydroclimate in this region does not stand […]
Posted in Little Ice Age, Medieval Warm Period, Paleo-climatology |
By Kenneth Richard on 3. April 2023
Contrary to alarmist claims, the seas have been retreating and the coasts have been expanding seaward along the coasts of southern India since the early 1800s. Korkai was a port city, capital, and the principal trade center for India’s Pandya Kingdom from the 6th to 9th centuries CE. While Korkai was situated on the sea […]
Posted in Little Ice Age, Paleo-climatology, Sea Levels |
By Kenneth Richard on 24. February 2022
Corals thrive in multiple-degrees-warmer-than-today waters and their growth is stunted in cooler environments. The warnings peddled by climate alarmists often characterize Earth’s 500 billion corals as critically endangered by modern global warming. But the science itself says corals have been and continue thriving in the Current Warm Period – just as they have in past […]
Posted in Coral Reefs, Little Ice Age, Medieval Warm Period, Paleo-climatology, Sea Levels |
By Kenneth Richard on 17. February 2022
A new analysis has Poland’s July temperatures hitting 20.6°C in Medieval times, whereas they’re only 17.4°C today. The temperature record for this region also shows today’s temperatures are not much different than they were during the Little Ice Age. Another chart contained in the study (Pleskot et al., 2022) shows North America’s and Europe’s mean […]
Posted in Little Ice Age, Medieval Warm Period, Paleo-climatology |
By Kenneth Richard on 27. December 2021
The cryosphere is failing to cooperate with the anthropogenic global warming narrative that says rising greenhouse gas emissions should be catastrophically melting Arctic ice. Scientists (O’Regan et al., 2021) report Ryder Glacier in north Greenland has advanced 2,881 m from 1948-2015 given its advancing rate of 43 m/yr-1. Its modern ice extent is about 50 […]
Posted in Arctic, Glaciers, Little Ice Age |
By Kenneth Richard on 16. August 2021
The 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 was […]
Posted in Little Ice Age, Medieval Warm Period, Paleo-climatology |
By Kenneth Richard on 5. July 2021
China’s climate history includes multiple climate warming and cooling fluctuations of 4°C within centuries, with cold periods aligning with declines in solar irradiance. According to a new study (Zhang et al., 2021), northern China’s coldest temperatures of the last 5000 years occurred 300 calibrated years before present (cal yr BP), coinciding with the Little Ice […]
Posted in Little Ice Age, Medieval Warm Period, Paleo-climatology, Solar Sciences |
By Kenneth Richard on 16. November 2020
Reconstructions of past temperatures show much colder periods with higher CO2 levels or as-warm or warmer periods with much lower CO2 levels. A new study (Paus, 2020) indicates modern July temperatures center around 7.5 to 8°C in the Scandes Mountains (Norway). Today’s CO2 atmospheric concentration has reached 410 ppm. During the latter stages of the […]
Posted in CO2 and GHG, Little Ice Age, Paleo-climatology |
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