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By Kenneth Richard on 1. December 2025
Northeastern China was at least 5°C (and up to 9°C) warmer than today and droughts (and floods) were far more extreme when CO2 levels were a “safe” 265 ppm. In a new study, scientists have determined that northeastern China’s droughts were far more frequent and intense during the Little Ice Age (LIA) than in the […]
Posted in Little Ice Age, Paleo-climatology |
By Kenneth Richard on 3. July 2025
According to a new study, abrupt (±1-2°C per century) shifts in North Atlantic sea surface temperature (SST) have occurred routinely over the last 9000 years. These decadal- to centennial-scale climate changes were “induced by Holocene summer insolation and atmosphere-ocean internal variability.” The average SST throughout the 8.2 ka fluctuation was 10.0°C. The average 4.2 ka […]
Posted in Cooling/Temperature, Little Ice Age, Paleo-climatology |
By Kenneth Richard on 6. June 2025
Europe is now dryer (and colder) than almost any other period in the last 9000 years. A new European Alps hydroclimate reconstruction spanning the years 8980 to 2014 CE has been derived from the stable isotopes of 192 trees (Arosio et al., 2025). The reconstruction clearly distinguishes centennial-scale warm periods such as the Medieval Warm […]
Posted in Cooling/Temperature, Little Ice Age, Medieval Warm Period, Paleo-climatology |
By Kenneth Richard on 3. June 2025
“Based on the historical fire-scar record, NAFSN [North American tree-ring fire-scar network] sites collectively would be expected to have burned 4346 times from 1984–2022, yet they burned 989 times, or only 23% of what would be expected under the historical fire regime.” — Parks et al., 2025 According to the prevailing alarmist narrative, the recent […]
Posted in Fire, Little Ice Age |
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 |
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