Variability of Tropical Indian Ocean Induced by Intraseasonal Atmospheric Forcing

季节内大气强迫引起的热带印度洋变化

• 批准号: 0136836
• 负责人: Weiqing Han
• 金额: --
• 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: 2002
• 资助国家: 美国
• 起止时间: 2002-03-15 至 2007-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0136836&HistoricalAwards=false
• 关键词: Variability; Tropical; Indian; Ocean; Induced

0136836/HanThe goals of this project are: to determine the variability of the tropical Indian Ocean forced by intraseasonal atmospheric forcing; to understand the dynamics and thermodynamics of such variability; and to examine the impact of atmospheric intraseasonal forcing on oceanic seasonal variability and the Indian Ocean Zonal Mode. The primary motivation is the presence of large intraseasonal fluctuations in currents, mixed layer depth and upper ocean temperature in the Indian Ocean. It is hoped that a better understanding of the processes involved will be useful for unraveling some of the questions about how regional climate is determined.Numerical simulations will be made with the ocean component of the National Center for Atmospheric Rresearch's climate system model. From a diagnostic study of the comparison of the response of the Indian Ocean to quasi-realistic forcing with and without intraseasonal variability, the nature of the response, and the processes responsible for it, will be determined. Numerical solutions will also be compared to data from the JASMINE and WOCE field experiments.

0136836/Han该项目的目标是：确定热带印度洋受季节内大气强迫的变化;了解这种变化的动力学和热力学;并研究大气季节内强迫对海洋季节变化和印度洋纬向模态的影响。 主要原因是印度洋海流、混合层深度和上层海洋温度季节内波动很大。 希望更好地了解所涉及的过程将有助于解决有关如何确定区域气候的一些问题。将用国家大气研究中心气候系统模式的海洋部分进行数值模拟。 通过对印度洋对有和没有季节内变率的准现实强迫的反应进行比较的诊断研究，将确定反应的性质和造成反应的过程。 数值解还将与JASMINE和WOCE现场实验的数据进行比较。