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    An overview of 1000 years of tropical climatic variability from ice cores from the Andes of southern Peru [abstract] (2021)
    In:  http://aquaticcommons.org/id/eprint/14322 | 8 | 2014-01-27 22:58:11 | 14322
    Details
    Publication Date: 2021-07-10
    Description: EXTRACT (SEE PDF FOR FULL ABSTRACT):Each summer between 1976 and 1984 research was conducted on the Quelccaya Ice Cap with one central objective, to recover an ice core to bedrock from which an approximate 1000 year climatic history for tropical South America could be reconstructed. In 1983 that central objective was accomplished by recovering one core 155 meters in length containing 1350 years and a second core of 163.6 meters containing more than 1500 years of climatic history. ...The most significant climatic event in tropical South America over the last 1500 years was the "Little Ice Age" which is recorded between 1490 to 1880 A.D. in these ice core records. Records from the summit of the Quelccaya Ice Cap show that during the "Little Ice Age" period there was (1) a general increase in particulates (both insoluble and soluble, starting around 1490 A.D. and ending abruptly in 1880 A.D.; (2) an initial increase in net accumulation (1500-1720 A.D.) followed by a period of decreased net accumulation (1720-1860 A.D.); (3) more negative delta-O-18 values beginning in the 1520's and ending around 1880 A.D. The "Little Ice Age" event is evident as a perturbation in all five ice core parameters.
    Keywords: Atmospheric Sciences ; Earth Sciences ; PACLIM
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 29-30
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  • 2
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    Paleoenvironmental records from the Quelccaya ice cap, Peru and preliminary results from the Dunde ice cap, China [abstract] (2021)
    In:  http://aquaticcommons.org/id/eprint/14426 | 8 | 2014-02-05 23:15:21 | 14426
    Details
    Publication Date: 2021-07-10
    Description: EXTRACT (SEE PDF FOR FULL ABSTRACT):The 1000 year records of particulate deposition (soluble and insoluble), oxygen isotopic ratios, and net accumulation from the Quelccaya ice cap are presented. The net accumulation record from Quelccaya is shown to serve as a reasonable proxy for the water levels in Lake Titicaca. ... The ice core record from the Dunde ice cap offers the potential to reconstruct a very detailed history of environmental conditions on theTibetan Plateau for the last 3000 years.
    Keywords: Atmospheric Sciences ; Earth Sciences ; PACLIM
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 13-14
    Location Call Number Limitation Availability
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    PAPER (OA)
  • 3
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    Initial global perspective of climate for the last thousand years: the ice core record (2021)
    In:  http://aquaticcommons.org/id/eprint/15615 | 8 | 2014-11-10 22:58:33 | 15615
    Details
    Publication Date: 2021-07-09
    Description: Climatic and environmental records from low, middle, and high latitude ice cores greatly increase our knowledge of the course of past events. This historical perspective is essential to predict climatic oscillations, dominated as they may be by increasing greenhouse gas concentrations. Forcing factors, internal and external, that have operated in the past will continue to influence the course of events.
    Keywords: Atmospheric Sciences ; Earth Sciences ; PACLIM
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 147-151
    Location Call Number Limitation Availability
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    PAPER (OA)
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