A high glacier opens a view of the ice age tropics
This article discusses new information about the ice age tropics as cores from a mountain glacier in the Peruvian Andes are analysed. Chemical markers in the ice of the two cores (160 and 166 meters long), covering 20,000 years, are starting to provide detailed support for understanding the ice age in the tropics. they show that climate in the tropics experience sharp oscillations at the end of the ice ages as it did in more northerly regions. Information about El Ninos and how the tropics respond to global climate changes is forthcoming. Comments on the actual expedition to obtain the ice cores are included.
- OSTI ID:
- 86427
- Journal Information:
- Science, Vol. 269, Issue 5220; Other Information: PBD: 7 Jul 1995
- Country of Publication:
- United States
- Language:
- English
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