Recent Climate Variability in the Western Indian Ocean and East Africa: Exploring the Potential of Isotopic Records in Kenyan Corals

西印度洋和东非近期气候变化：探索肯尼亚珊瑚同位素记录的潜力

• 批准号: 9410298
• 负责人: Julia Cole
• 金额: $ 2.38万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-04-15 至 1995-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9410298&HistoricalAwards=false
• 关键词: Recent; Climate; Variability; Western; Indian

Abstract ATM-9410298 Cole, Julia University of Colorado Title: Recent Climate Variability in the Western Indian Ocean and East Africa: Exploring the Potential of Isotopic Records in Kenyan Corals This SGER award supports the collection and geochemical analysis of coral cores from the reefs of Kenya. In this region, monsoon winds drive seasonal reversals in surface ocean currents. The associated movement, breakup, and reformation of the Intertropical Convergence Zone (ITCZ) imposes two rainy seasons each year. Interannual to decadal changes in the ocean-atmosphere of this region (e.g. winds, rainfall, surface currents, and temperature, thermocline depth) relate closely to large-scale climate systems, notably the Indian monsoon and the El Nino/Southern Oscillation. Coral geochemical records have the potential to document such variability over the past several centuries with near-monthly resolution. This project will explore the feasibility of developing such long-term records.

题目：西印度洋和东非的近期气候变化：探索肯尼亚珊瑚同位素记录的潜力SGER奖支持对肯尼亚珊瑚礁珊瑚核的收集和地球化学分析。在这个地区，季风驱动着海面洋流的季节性逆转。与之相关的热带辐合带（ITCZ）的运动、解体和改造导致每年有两个雨季。该地区海洋大气的年际至年代际变化（如风、降雨、表面流、温度、温跃层深度）与大尺度气候系统密切相关，特别是印度季风和厄尔尼诺/南方涛动。珊瑚地球化学记录有可能以接近每月的分辨率记录过去几个世纪的这种变化。本项目将探讨开发这种长期记录的可行性。