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Lonnie Thompson is University Distinguished Professor at Ohio State University in the School of Earth Sciences and the Byrd Polar Research Center. He is the leading paleo-scientist who drilled and preserved ice cores from high mountain glaciers while others focussed on Greenland and Antarctica.
In 1952 the Danish geophysicist Willi Dansgaard made a discovery that opened up a completely new field of research. He found that the amount of heavy oxygen isotopes in rain correlates with the temperature at the location where the precipitation was formed. But more important in preparation for debates with climate change deniers is the record of CO2 that is also preserved in the ice cores. The correlation of temperature rise and decrease with increasing and decreasing [ . . . ]
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Podcast: Play in new window | Download (Duration: 29:00 — 19.9MB)
Abrupt Climate Change and Our Future – ARCHIVE
This is a re-broadcast and partial update of one of the most appreciated and also rare programs by TUC. This program will be followed by two updates with Dr. Thompson.
Thompson issues a warning that the mountain glaciers he knows and loves are melting ever more dramatically within the last twenty years. He is the leading expert on glaciers with 30 years of on location research.
Thompson saw one of the first ice cores that was recovered from a glacier when he was in graduate school. He was fascinated by the amount of data on earth history, past climate and world changing events that can be read from these ice cores and made the exploration [ . . . ]
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Podcast: Play in new window | Download (Duration: 29:01 — 19.9MB)
