Dark eclipsed Moon and cold weather in 1761 attributed to mysterious volcanic eruptionJanuary 7th, 2009 - 3:24 pm ICT by ANI
Washington, Jan 7 (ANI): Scientists have attributed the dark eclipsed moon and cold weather in 1761 to a mysterious volcanic eruption.
According to Dr. Kevin D. Pang, an independent research scientist, A high altitude volcanic dust cloud that cuts off the sunlight illuminating an eclipsed Moon would also reduce the solar energy reaching the Earths surface, thus causing a cold spell.
Dr. Pang recently learned that the May 18, 1761 totally eclipsed Moon appeared very dark or invisible to many observers worldwide.
Suspecting that this was also due to a very powerful volcanic eruption, he searched for evidence of a volcanic winter in Chinese weather chronicles, tree rings and polar ice cores.
After poring over volumes of Chinese history texts and databases, Pang discovered that indeed heavy sustained snowfall and bitter cold prevailed over wide areas in China in 1761-1762.
Chinese historians report that rivers and wells froze, and ships could not sail on the great lake Taihu near Shanghai, because of the floating ice.
Heavy snow fell as far south as the Tropic of Cancer; and innumerable trees, birds and livestock died of cold, the chronicles state.
Kevin Pang points out such extremely cold events are very rare in subtropical and temperate China. So much so that homes south of the Yangzi River are not heated.
Dr. Pang found further evidence of the unseasonable cold half a world away in Western USA.
Tree ring experts have previously noted that the growth of bristlecone pine trees high in the Sierra Nevada Mountains was stunted in 1761.
Frost damage appears in that years growth rings.
To ascertain that the anomalous celestial events were volcanically forced, Kevin Pang sought confirmation in polar ice cores.
Glaciologists have previously reported abnormally high concentrations of sulfuric acid in the 1761 and 1762 strata of the Greenland and Antarctic ice sheets.
Sulfur dioxide gas emitted by volcanoes reacts with water vapor to form acidic droplets, which eventually settled and are still preserved in polar ice.
According to Pang, The early 1761 volcanic eruption was very powerful, as it was felt in all corners of the world. The bipolar extent of the acidic deposits suggests that the volcano was at a low- or mid-latitude. However, its exact location is still unknown. So, the mystery continues. (ANI)
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Tags: antarctic ice sheets, bristlecone pine trees, celestial events, chinese historians, chinese weather, cold events, cold weather, earths surface, floating ice, growth rings, history texts, lake taihu, polar ice cores, research scientist, sierra nevada mountains, sulfur dioxide gas, volcanic dust, volcanic winter, wide areas, yangzi river