COLLABORATIVE RESEARCH: Century-Scale Variability in the Asian Southwest Monsoon

合作研究：亚洲西南季风的世纪尺度变化

• 批准号: 0082116
• 负责人: Jonathan Overpeck
• 金额: $ 11.94万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-09-15 至 2003-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0082116&HistoricalAwards=false
• 关键词: COLLABORATIVE; RESEARCH; Century; Scale; Variability

This award is for a collaborative project (between University of Arizona, Louisiana State University, and Academia Sinica, China) to use proven methods to provide the first systematic study of century-scale SW Asian Monsoon variability. The project will focus on Tibet, where earlier work has demonstrated strong monsoonal influences, and where the investigators know they can obtain well-dated lake sediment records characterized by century-scale variability. By comparing high resolution, multiproxy (sedimentologial, geochemical and paleoecological) records along a sensitive east-west climate gradient, they will be able to separate the regional (monsoonal) climate signal from site-specific environmental influences. Moreover, they will be able to discern if any observed monsoonal events are time-transgressive or not, and also be able to quantify the sensitivity and rate of response of three different important vegetation types to century-scale climate events.

该奖项是为一个合作项目（亚利桑那大学，路易斯安那州立大学和中国西尼卡学术界之间的合作项目），它使用良好的方法来提供对世纪SW亚洲季风变异性的首次系统研究。该项目将重点放在西藏，那里的早期工作表现出强烈的季风影响，调查人员知道他们可以获得以世纪尺度可变性为特征的良好日期的湖泊沉积物记录。通过比较沿敏感的东西方气候梯度的高分辨率（沉积，地球化学和古生物学）记录，他们将能够将区域（季风）气候信号与特定地点环境影响分开。此外，他们将能够辨别是否有任何观察到的季风事件是时间转换的，也能够量化三种不同重要植被类型对世纪气候事件的敏感性和速度的敏感性和速度。