Impact of postglacial warming on tropical convection and precipitation patterns in the Indonesian Archipelago
冰后变暖对印度尼西亚群岛热带对流和降水模式的影响
基本信息
- 批准号:239033832
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2013
- 资助国家:德国
- 起止时间:2012-12-31 至 2016-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The primary objectives of this research proposal are (1) to decipher regional precipitation patterns across the Indonesian-Australian archipelago during the last glacial cycle with specific emphasis on transient warming and cooling episodes during Heinrich and Dansgaard-Oeschger Events, the Bølling/Allerød, Younger Dryas and early Holocene northern hemisphere insolation maximum, (2) to elucidate primary controls of tropical rainfall variability during successive climate cooling and warming episodes, and (3) to test the hypothesis that a reduction in tropical convection and weakening of the Walker circulation during tropical warming results in a spatially complex precipitation pattern rather than a uniform rainfall increase over the region. To achieve these objectives we propose to reconstruct the terrigenous runoff from Borneo, Sulawesi, Java and Sundaland into the Makassar Strait, southern Celebes Sea and Flores Sea in well dated sediment archives, positioned to cover large catchment areas from major river deltas. We will integrate XRF-scanner derived high resolution geochemical records with sea surface temperature and salinity estimates, based on Mg/Ca and δ18O measurements of the planktonic foraminifer Globigerinoides ruber. Our reconstruction will provide an essential regional database and a robust framework to test modeling predictions of precipitation change associated with future global climate warming.
本研究计划的主要目标是:(1)破译末次冰期循环期间澳大利亚-澳大利亚群岛的区域降水模式,特别强调海因里希事件和丹斯加德-奥施格事件、博林/阿勒罗德事件、新仙女木事件和全新世早期北方半球日射最大值期间的短暂变暖和变冷事件;(2)阐明在连续的气候变冷和变暖事件期间热带降雨变率的主要控制因素,以及(3)为了检验这样一个假设,即在热带变暖期间,热带对流的减少和步行者环流的减弱会导致空间复杂的降水模式,而不是在该地区均匀降雨增加。为了实现这些目标,我们建议重建的陆源径流从婆罗洲,苏拉威西岛,爪哇岛和孙达兰到马卡萨尔海峡,南部西里伯斯海和弗洛雷斯海的年代久远的沉积物档案,定位,以覆盖大流域的主要河流三角洲。我们将结合XRF扫描仪获得的高分辨率地球化学记录与海洋表面温度和盐度估计,基于Mg/Ca和δ 18 O测量的浮游有孔虫Globigerinoides ruber。我们的重建将提供一个重要的区域数据库和一个强大的框架,以测试与未来全球气候变暖相关的降水变化的建模预测。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Variations in sea surface hydrology in the southern Makassar Strait over the past 26 kyr
- DOI:10.1016/j.quascirev.2016.10.018
- 发表时间:2016-12
- 期刊:
- 影响因子:4
- 作者:Jan F. Schröder;A. Holbourn;W. Kuhnt;K. Küssner
- 通讯作者:Jan F. Schröder;A. Holbourn;W. Kuhnt;K. Küssner
Hydrological and vegetation shifts in the Wallacean region of central Indonesia since the Last Glacial Maximum
- DOI:10.1016/j.quascirev.2016.12.006
- 发表时间:2017-02
- 期刊:
- 影响因子:4
- 作者:S. Wicaksono;J. Russell;A. Holbourn;W. Kuhnt
- 通讯作者:S. Wicaksono;J. Russell;A. Holbourn;W. Kuhnt
Deglacial Warming and Hydroclimate Variability in the Central Indonesian Archipelago
印度尼西亚中部群岛的冰消变暖和水文气候变化
- DOI:10.1029/2018pa003323
- 发表时间:2018-09
- 期刊:
- 影响因子:3.5
- 作者:Jan F Schröder;Wolfgang Kuhnt;Ann Holbourn;Sebastian Beil;Peng Zhang;Marfasran Hendrizan;Jian Xu
- 通讯作者:Jian Xu
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Professor Dr. Wolfgang Kuhnt其他文献
Professor Dr. Wolfgang Kuhnt的其他文献
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{{ truncateString('Professor Dr. Wolfgang Kuhnt', 18)}}的其他基金
Changes in Pacific Meridional Overturning Circulation across the Miocene Climate Optimum and the ensuing transition to a permanently glaciated Earth
中新世气候最佳时期太平洋经向翻转环流的变化以及随后向永久冰川地球的转变
- 批准号:
428444516 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Sensitivity of Australian monsoon to changing climate boundary conditions across the Mid-Pleistocene Transition
澳大利亚季风对中更新世过渡时期气候边界条件变化的敏感性
- 批准号:
408101704 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Re-organization of ocean circulation during the Miocene transition from Greenhouse to Icehouse: The role of the Indian Ocean
中新世从温室到冰室过渡期间海洋环流的重组:印度洋的作用
- 批准号:
319889890 - 财政年份:2016
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Indian rainfall variability in a warmer world: Unraveling the Miocene-Pliocene enigmatic onset and evolution of the Indian monsoon in unparalleled sedimentary archives from IODP Expedition 353
变暖世界中的印度降雨量变化:IODP 353 号探险队无与伦比的沉积档案中揭示印度季风神秘的中新世-上新世爆发和演化
- 批准号:
280028059 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Cryosphere and East Asian monsoon variability during the latest Miocene (7-5 Ma)
最新中新世(7-5 Ma)期间的冰冻圈和东亚季风变率
- 批准号:
224193684 - 财政年份:2012
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Holocene and Last Glacial Maximum thermocline reconstructions in the Indo-Pacific Warm Pool
印度太平洋暖池全新世和末次冰期最大温跃层重建
- 批准号:
42165109 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Research Grants
Recontructing East Asian monsoon climate history between 12.5 and 7 Ma: Linkages to tectonic events, cryosphere evolution and orbital forcing
重建 12.5 Ma 至 7 Ma 之间的东亚季风气候历史:与构造事件、冰冻圈演化和轨道强迫的联系
- 批准号:
48739182 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Indonesian Throughflow variability on sub-orbital timescales during Marine Isotopes Stages (MIS) 2 and 3
海洋同位素阶段 (MIS) 2 和 3 期间印度尼西亚亚轨道时间尺度的通流变化
- 批准号:
21278685 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Research Grants
Mindanao Eddy, Halmahera Eddy: Variability of West Pacific Warm Pool and Indonesian Throughflow (inflow passages and main gateway)
棉兰老岛涡、哈马黑拉涡:西太平洋暖池和印度尼西亚穿流的变化(流入通道和主门户)
- 批准号:
26477151 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Research Grants
Pacific circulation during the middle Miocene climate transition: Monitoring ocean overturning and the east-west hydrographic gradient
中新世中期气候转变期间的太平洋环流:监测海洋翻转和东西向水文梯度
- 批准号:
28791703 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
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