RUI: Continuous Holocene Records of Paleo-El Nino Events from Laminated Lacustrine Sediment Cores from Southern Ecuador

题目：厄瓜多尔南部层状湖泊沉积物岩心中古厄尔尼诺事件的连续全新世记录该奖项支持一项旨在恢复和分析厄瓜多尔西南部湖泊中过去12,000年的沉积物岩心的研究。这项研究有可能提供第一个连续的、高分辨率的记录，记录来自历史上对ENSO最敏感的陆地地区之一的大强度古厄尔尼诺事件。这些记录将揭示全新世厄尔尼诺事件频率的变化，以及厄尔尼诺1期区域ENSO开始的年龄问题。来自厄瓜多尔南部湖泊的ENSO时间序列将使厄尔尼诺现象发生的频率与热带太平洋不同时期盛行的海洋条件进行比较。这种比较将进一步评价为确定控制厄尔尼诺事件的频率和严重程度的大气和海洋因素而开发的若干模式，包括在一个增强的温室世界中ENSO的未来频率和严重程度。

AbstractATM-9809229Rodbell, Donald T.Union CollegeTitle: Continuous Holocene Records of Paleo-El Nino Events from Laminated Lacustrine Sediment Cores from Southern EcuadorThis award supports a study designed to recover and analyze sediment cores spanning the last 12,000 years from lakes in southwestern Ecuador. The study has the potential to provide the first continuous, high-resolution record of large magnitude paleo-El Nino events from a region that historically has been one of the most sensitive land areas to the ENSO. These records will shed light on variations in the frequency of El Nino events through the Holocene and on the issue of the age of onset of the ENSO in the Nino 1 region. The ENSO time series derived from lakes in southern Ecuador will enable a comparison of the frequency of El Nino events in the Nino 1 zone with oceanic conditions that prevailed at various times across the tropical Pacific. Such a comparison would further the evaluation of several models that have been developed to determine the atmospheric and oceanographic factors that control the frequency and severity of El Nino events, including the future frequency and severity of ENSO in an enhanced greenhouse world.