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A 1500-Year Record of Tropical Precipitation in Ice Cores from the Quelccaya Ice Cap, Peru
Abstract
Two ice cores, covering 1500 years of climatic information, from the summit (5670 meters) of the tropical Quelccaya ice cap, in the Andes of southern Peru, provide information on general environmental conditions including droughts, volcanic activity, moisture sources, temperature, and glacier net balance. The net balance record reconstructed from these cores reflects major precipitation trends for the southern Andes of Peru. These records indicate extended dry periods between 1720 and 1860, 1250 and 1310, and 570 and 610; wet conditions prevailed between 1500 and 1720. Establishing a tropical precipitation record may help explain climatic fluctuations since the tropical evaporation-precipitation cycle is a principal mechanism driving the atmospheric circulation.
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Bofedal extent and vigour are impacted by climatic shifts at different scales.
“Bofedal extent and vigour are, however, impacted by climatic shifts at different scales.”
From Managing pastoral landscapes: remote survey of herding infrastructure in huancavelica, peru (2024) · cites this paper as Thompson et al. 1985
Large-scale climatic shifts in the past may have impacted bofedal prevalence.
“Similarly large-scale climatic shifts in the past, evidenced in ice core records (e.g.Thompson et al. 1985) may have impacted bofedal prevalence.”
From Managing pastoral landscapes: remote survey of herding infrastructure in huancavelica, peru (2024) · cites this paper as Thompson et al. 1985
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Research works printed but not linked: 13
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- THOMPSON, L.G., GLACIOLOGICAL INVESTIGATIONS OF THE TROPICAL QUELCCAYA ICE CAP, PERU, JOURNAL OF GLACIOLOGY 25: 69 (1980). · DOI
- THOMPSON, L.G., GEOPHYSICAL INVESTIGATIONS OF THE TROPICAL QUELCCAYA ICE CAP, PERU, JOURNAL OF GLACIOLOGY 28: 57 (1982). · DOI
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Nielsen, A. E., Berenguer R., J., & Pimentel, G. (2019) · Quaternary International · doi:10.1016/j.quaint.2018.09.044 · Cited by 41
Crossing the western altiplano: the ecological context of tiwanaku migrations
Vining, B., & Williams, P. R. (2020) · Journal of Archaeological Science · doi:10.1016/j.jas.2019.105046 · Cited by 19
Managing pastoral landscapes: remote survey of herding infrastructure in huancavelica, peru
Whitlock, B., Van Valkenburgh, P., & Wernke, S. A. (2024) · Antiquity · doi:10.15184/aqy.2023.174 · Cited by 5
Metadata
- Authors
- Thompson, L. G., Mosley-Thompson, E., Bolzan, J. F., & Koci, B. R.
- Affiliations
- Institute of Polar Studies, Ohio State University, Columbus 43210
- Polar Ice Coring Office, University of Nebraska, Lincoln 68588-0200
- Venue
- Science
- Published
- 1985-09-06
- Volume
- 229
- Issue
- 4717
- Pages
- 971-973
- ISSN
- 0036-8075
- 1095-9203
- Cited by
- 345
- References
- 0
- Language
- en
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