Climate helped drive Vikings from Greenland
Qassiarsuk: This is the site of the Viking settlement of 972 and unlike much of Greenland, offers relatively sheltered grazing land for sheep. Photo: John McLean. (Click to see more images of...
View ArticleChinese 2,485 year tree ring study shows natural cycles control climate,...
A blockbuster Chinese study of Tibetan tree rings by Liu et al 2011 shows, with detail, that the modern era is a dog-standard normal climate when compared to the last 2,500 years. The temperature, the...
View ArticleMedieval Warm Period found in 120 proxies. Plus Roman era was similar to...
Two major proxy studies, larger than ever, were released in April and June 2012. They show that the Medieval Warm Period (MWP) existed, and was similar to current temperatures. These comprehensive...
View ArticleThe message from boreholes
There have been suggestions that Jo Nova might be trying to hide or ignore the most recent boreholes graph from Huang et al. So here it is. This is the last 2,000 years according to 6000 boreholes,...
View ArticleOcean heat content around Indonesia shows Medieval Warm Period and 2C warmth...
Rosenthal et al have put out quite a humdinger of a paper. They’ve reconstructed the temperature of the water flowing out of the Pacific to the Indian Ocean over the last 10,000 years and as deep as...
View ArticleThe North Atlantic jet stream correlates with Solar output over a millennium
A new paper (Moffa-Sánchez et al) reports that they looked at layers of dead plankton in ocean mud (otherwise known as foraminifera in marine sediments) and have reconstructed the temperature and...
View ArticleSun controls half of the groundwater recharge rate in China for last 700 years
Could this be why climate models do rainfall with all the competence of tea-leaf-reading? Tiwari et al report that as much as 47% of the recharge rates of ground water in China are controlled by the...
View ArticleHow to make climate graphs look scary — a reply to XKCD
This week XKCD (a popular Geek comic site) posted an epic cartoon called “A Timeline Of Earth’s Average Temperature”. It was a cutesy long godzilla hockey-stick — “scary” to the unwary. It’s easy to...
View ArticleChinese scientists find 2,000 years of not-hockey stick
There was no Medieval Warm Period in China. No little ice age either. Not warm in Roman times either. Obviously CO2 controls this climate. (Click to enlarge) Quansheng et al show that weather is lumpy,...
View ArticleScottish summers not doing anything they haven’t done for 800 years already
Gotta love a long unbroken proxy. Scientists looked at 44 pines sites across the Scottish Highlands and used their tree rings to create a continuous temperature series for the last 810 years. Showing...
View ArticleAntarctica was warmer one thousand years ago — and life was OK
Remember when polar amplification was the rage? So much for that theory Antarctica is twice the size of the US or Australia. Buried 2 km deep under domes of snow, it holds 58 meters of global sea level...
View ArticleDenying 2000 years of the Medieval Warm Period, Little Ice Age on every...
Here we go again. For five or so years believers didn’t really mention the Medieval Warm Period. Too bruised by the embarrassment of Hockey Stick Zombie failures. But it’s an inconvenient era they have...
View ArticleEuropean heatwaves: Soldiers died in the heat in 1160, Rivers ran dry in...
By Jo Nova Medieval “climate change” was filled with heatwaves, droughts, and crop failures One thousand years ago, “rivers ran dry under the protracted heat, the fish were left dry in heaps and...
View Article2,500 years of wild climate change in southern Europe: It was warmer in Roman...
By Jo Nova Nothing at all about the modern era stands out as unusual Thanks to David Whitehouse at NetZeroWatch who has found a remarkable paper: Pyrenean caves reveal a warmer past The new study on...
View Article
