Uncoupling past salinity and temperature signals in the Indo-Pacific Warm Pool: implications for climate change in the Australian region

解开印度太平洋暖池过去的盐度和温度信号：对澳大利亚地区气候变化的影响

• 批准号: DP0450358
• 负责人: Prof Patrick De Deckker
• 金额: $ 19.48万
• 依托单位: The Australian National University
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2004
• 资助国家: 澳大利亚
• 起止时间: 2004-01-01 至 2007-12-31
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP0450358
• 关键词: Uncoupling; past; salinity; temperature; signals

The tropical oceans and in particular the Indo-Pacific Warm Pool, immediately to Australia's north, play a key role in modulating global and Australian climate through El-Niño and related phenomena. Using a new microanalysis approach to analyse individual foraminifera from deep-sea cores, we will reconstruct past salinity and temperature variability within the Warm Pool, and determine changing rainfall patterns and, ENSO and monsoon behaviour under climate conditions that lie outside modern records. This information is vital for understanding past climate and predicting the future intensity and frequency of El-Niño related drought and wet cycles in Australia.

热带海洋，特别是紧靠澳大利亚北部的印度-太平洋暖池，通过El-Niño和相关现象在调节全球和澳大利亚气候方面发挥着关键作用。使用一种新的微分析方法来分析深海岩芯中的单个有孔虫，我们将重建暖池中过去的盐度和温度变化，并确定在现代记录之外的气候条件下不断变化的降雨模式、ENSO和季风行为。这些信息对于了解澳大利亚过去的气候和预测未来与El-Niño相关的干旱和潮湿周期的强度和频率至关重要。