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

合作研究：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: 9409779
• 负责人: Robert Dunbar
• 金额: $ 2.59万
• 依托单位: William Marsh Rice University
• 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 1996-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9409779&HistoricalAwards=false
• 关键词: Collaborative; Research; Recent; Climate; Variability

Abstract ATM-9409779 Dunbar, Robert B. William Marsh Rice University 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.

摘要ATM-9409779邓巴，罗伯特B。 威廉·马什·赖斯大学题目：西印度洋和东非最近的气候变化：探索肯尼亚珊瑚中同位素记录的潜力 该SGER奖支持从肯尼亚珊瑚礁中收集珊瑚芯并进行地球化学分析。 在这个区域，季风驱动表层洋流的季节性逆转。 热带辐合带（ITCZ）的相关运动、分裂和重组导致每年有两个雨季。 该区域海洋-大气的年际至十年变化（例如风、降雨、表面流和温度、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。 珊瑚的地球化学记录有可能以近每月的分辨率记录过去几个世纪的这种变化。 本项目将探讨建立这种长期记录的可行性。