The last deglacial sea-level and climatic changes. Coral Reef records in the south Pacific : Tahiti (French Polynesia) - IODP Expedition #310 -, Australian Great Barrier Reef - IODP Proposal #519: Potential of diagenetically altered corals for sub-seasona
末次冰消期海平面与气候变化。
基本信息
- 批准号:35880301
- 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:2007
- 资助国家:德国
- 起止时间:2006-12-31 至 2010-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The timing and course of the last deglaclation (23.000-6,000 calendar years BP - cal. yr BP) are essential components for understanding the dynamics of large Ice sheets and their effects on Earth's isostasy as well as the complex relationship between freshwater fluxes to the ocean, thermohaline circulation and, hence, global climate during the Late Pleistocene and the Holocene. This proposal Is related to the IODP proposal #519 concerning the coral reef records of Tahiti and the Australian Great Barrier Reef to establish the course of sea-level rise, climate variability and reef response during the last deglaciatton. It includes : 1) the study of more than 600 m of reef cores with an exceptional recovery that were retrieved from 37 holes ranging from 40 to 120 m water depth around Tahiti during the IODP Expedition 0310 « Tahiti Sea Level ». Distinctive levels of relict reefs covering most, if not all, the last deglaciation were drilled and therefore confirmed the significance of these features as unique archives of abrupt global sea-level rise and climate change. 2) Complimentary investigations of the Tahiti reef slopes, and 3) a site survey cruise on the Great Barrier Reef to generate high resolution bathymetric and seismic data that will be used to select suitable targets for an IODP drilling expedition corresponding to the part 2 of the IODP drilling proposal #519. The general scientific objectives of this proposal are threefold :a. To establish the course of post-glacial sea-level rise during the Last Deglaclation .b. To define SSTs and SSSs variations during the Last Deglaciation when solar insolation, sea level, and atmospheric CO2 levels were different from today. c. To analyze the impact of sea-level and environmental changes on reef development during the Last Deglaciation, with a special emphasis on the comprehensive reconstruction of environmental changes.
最后一次冰期的时间和过程(23000 - 6000日历年BP - calyr BP)是理解大冰盖动力学及其对地球均衡的影响以及淡水通量与海洋、热盐环流之间的复杂关系的重要组成部分,因此,在晚更新世和全新世期间,全球气候。该提案与IODP第519号提案有关,该提案涉及塔希提岛和澳大利亚大堡礁的珊瑚礁记录,以确定最后一次冰川消退期间海平面上升、气候变率和珊瑚礁响应的过程。它包括:1)在IODP 0310“塔希提海平面”考察期间,从塔希提周围40至120米水深的37个孔中获得了超过600米的珊瑚礁岩心,并取得了出色的恢复。研究人员钻出了覆盖大部分(如果不是全部的话)最后一次消冰期的独特水平的残礁,因此证实了这些特征作为全球海平面突然上升和气候变化的独特档案的重要性。2)对塔希提岛珊瑚礁斜坡进行免费调查,3)在大堡礁进行现场调查巡航,以生成高分辨率的水深和地震数据,这些数据将用于为IODP钻井考察选择合适的目标,与IODP钻井提案#519的第2部分相对应。这一建议的总体科学目标有三个方面:建立末次冰期后海平面上升的过程。定义末次冰期太阳日照、海平面和大气CO2水平与今天不同时海温和海温的变化。c.分析末次冰期海平面和环境变化对珊瑚礁发育的影响,重点是环境变化的综合重建。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Wolf-Christian Dullo其他文献
Professor Dr. Wolf-Christian Dullo的其他文献
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{{ truncateString('Professor Dr. Wolf-Christian Dullo', 18)}}的其他基金
Hydrography and cold-water coral geochemistry in the Gulf of Mexico and adjacent waters
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- 批准号:
211135354 - 财政年份:2012
- 资助金额:
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Cold-Water Coral Mound Development Related to INtermediate WAter DEnsity Gradient (INWADE)
与中间水密度梯度 (INWADE) 相关的冷水珊瑚丘发育
- 批准号:
224641970 - 财政年份:2012
- 资助金额:
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Infrastructure Priority Programmes
Surface and Intermediate Water hydrography, planktonic and benthic biota in the Caribbean Sea - Climate, Bio-, and Geosphere linkages
加勒比海地表水和中层水水文学、浮游生物和底栖生物群 - 气候、生物和地圈联系
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194074398 - 财政年份:2011
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Research Grants
Isotope Signature of calcareous Organisms from upper and Lower carbonate mound sediments 2
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49066122 - 财政年份:2007
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Infrastructure Priority Programmes
Temperatur-Rekonstruktion aus der Isotopen-Signatur von Tiefwasserkorallen des Atlantik und der Nordsee (Paläo-TRISTAN)
根据大西洋和北海深水珊瑚的同位素特征重建温度(古特里斯坦)
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5449296 - 财政年份:2005
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Forcing of carbonate mounds and deep water coral reefs along the NW European continental margin
迫使欧洲西北部大陆边缘的碳酸盐丘和深水珊瑚礁
- 批准号:
5393150 - 财政年份:2003
- 资助金额:
-- - 项目类别:
Research Grants
Cenozoic paleoceangraphy of the Southern Ocean during the opening of the Tasmanian Gateway: The climate-tectonic link (ODP Leg 189)
塔斯马尼亚门户开放期间南大洋的新生代古海洋学:气候与构造的联系(ODP Leg 189)
- 批准号:
5265930 - 财政年份:2000
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Rapid climatic changes during the Pleistocene documented in the physical properties of drift sediments from the North Atlantic: a synthesis
北大西洋漂流沉积物的物理性质记录了更新世期间的快速气候变化:综合
- 批准号:
5203258 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
The oligocene-miocene carbonate platforms and the pinnacle-reefs of the Philippines: development and preservation of porosity
菲律宾渐新统-中新统碳酸盐台地和尖峰礁:孔隙度的发育和保存
- 批准号:
5190262 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Research Grants
Die Bedeutung stratigraphischer Diskontinuitäten als Zeugen globaler und regionaler paläo-ozeanologischer Ereignisse aus der Sedimentationsgeschichte des Kerguelen Plateaus
地层间断面作为凯尔盖朗高原沉积历史中全球和区域古海洋事件见证的重要性
- 批准号:
5134108 - 财政年份:1998
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
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