Multi-proxy reconstruction of climate variability during the last 250 ka using precisely dated speleothems from south-eastern Spain.
使用西班牙东南部精确年代的洞穴化石对过去 250 ka 期间的气候变化进行多代理重建。
基本信息
- 批准号:290435864
- 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:2016
- 资助国家:德国
- 起止时间:2015-12-31 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The objective of this proposal is the reconstruction of terrestrial climate variability in south-eastern Spain during the last 250 ka using speleothems. South-eastern Spain is one of the driest regions in southern Europe. According to the last IPCC report, currently arid regions will suffer from an increasing frequency and duration of warm spells and heat waves as well as increasing intensity and duration of droughts. These changes go along with substantial risks for both the environment and economy. Investigation of terrestrial paleoclimate records from currently arid areas is, thus, of great importance.Due to the dry conditions, climate archives from south-eastern Spain are highly sensitive to even subtle changes in precipitation. However, information from terrestrial climate archives in southern Iberia is limited and mostly restricted to pollen and sediment sequences, which have a relatively low temporal resolution and are difficult to date beyond the range of radiocarbon dating. Well-dated speleothem climate proxy records are currently mainly restricted to the northern part of Spain, which is, however, characterized by relatively high humidity and mild temperatures.We will reconstruct past climate variability at high temporal resolution from a precisely dated flowstone sequence at Cueva Victoria, south-eastern Spain, which is well known for its spectacular Pleistocene fauna. We will focus on the last 250 ka, which are contained in several drill cores. For this period, a precisely dated, high-resolution terrestrial record from south-eastern Spain is not available yet.Preliminary data show that flowstone growth at Cueva Victoria is highly sensitive to past changes in precipitation and that flowstone growth phases are related to past global warm phases. Precise dating by the 230Th/U-method will thus enable us to determine the timing and duration of Marine Isotope Stages 1, 3, 5 and 7 as well as the corresponding sub-stages in terrestrial south-eastern Spain. Furthermore, we will generate multi-proxy records consisting of high-resolution stable isotope and trace element profiles for the corresponding growth phases. This will enable a robust interpretation of the proxy signals in terms of past climate variability. The high sensitivity of the proxy signals observed in the preliminary data set emphasizes the large potential of this unique paleoclimate archive for the last ca. 250 ka in south-eastern Spain.Part of this material was already in the focus of a previous DFG proposal by the applicant, but was unfortunately rejected. The main criticism of the reviewers was that the preliminary work was insufficient. However, they highlighted the general potential of the project. Following their constructive comments, I established new collaborations and generated additional age and climate proxy data to proof that the samples are a very promising paleoclimate archive, which can be accurately dated.
该提案的目标是利用洞穴岩重建西班牙东南部过去 250 ka 期间的陆地气候变化。西班牙东南部是南欧最干旱的地区之一。根据政府间气候变化专门委员会的最新报告,目前干旱地区将遭受暖期和热浪发生频率和持续时间的增加,以及干旱强度和持续时间的增加。这些变化给环境和经济带来了巨大的风险。因此,对当前干旱地区的陆地古气候记录进行调查非常重要。由于气候干燥,西班牙东南部的气候档案对降水的细微变化都非常敏感。然而,来自伊比利亚南部陆地气候档案的信息有限,并且大多局限于花粉和沉积物序列,这些序列的时间分辨率相对较低,很难超出放射性碳测年范围。目前,日期准确的洞穴气候代理记录主要局限于西班牙北部,但该地区的特点是相对较高的湿度和温和的温度。我们将根据西班牙东南部奎瓦维多利亚的精确年代的流石序列,以高时间分辨率重建过去的气候变化,该地区以其壮观的更新世动物群而闻名。我们将重点关注最后 250 ka,它包含在多个钻芯中。目前还没有来自西班牙东南部的这一时期的精确日期、高分辨率陆地记录。初步数据显示,Cueva Victoria 的流石生长对过去降水的变化高度敏感,并且流石的生长阶段与过去的全球变暖阶段相关。因此,通过 230Th/U 方法进行精确测年将使我们能够确定海洋同位素第 1、3、5 和 7 阶段以及西班牙东南部陆地相应子阶段的时间和持续时间。此外,我们将生成由相应生长阶段的高分辨率稳定同位素和微量元素剖面组成的多代理记录。这将使我们能够根据过去的气候变化对代理信号进行强有力的解释。初步数据集中观察到的代理信号的高灵敏度强调了这个独特的古气候档案在过去大约一年中的巨大潜力。西班牙东南部250ka。该材料的一部分已经成为申请人之前DFG提案的焦点,但不幸的是被拒绝了。审稿人的主要批评是前期工作不够充分。然而,他们强调了该项目的总体潜力。根据他们的建设性意见,我建立了新的合作,并生成了额外的年龄和气候代理数据,以证明这些样本是一个非常有前途的古气候档案,可以准确测定日期。
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)
Palaeoclimate reconstruction of the last 200 ka in south-eastern Spain, based on proxies of speleothems from Cueva Victoria
基于 Cueva Victoria 洞穴化石的西班牙东南部过去 200ka 的古气候重建
- DOI:10.25358/openscience-5113
- 发表时间:2019
- 期刊:
- 影响因子:0
- 作者:Budsky
- 通讯作者:Budsky
Western Mediterranean Climate Response to Dansgaard/Oeschger Events: New Insights From Speleothem Records
- DOI:10.1029/2019gl084009
- 发表时间:2019-08-16
- 期刊:
- 影响因子:5.2
- 作者:Budsky, Alexander;Wassenburg, Jasper A.;Scholz, Denis
- 通讯作者:Scholz, Denis
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
Dr. Regina Mertz, Ph.D.其他文献
Dr. Regina Mertz, Ph.D.的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
相似国自然基金
基于网络的区域移动管理可靠性技术研究
- 批准号:61100177
- 批准年份:2011
- 资助金额:23.0 万元
- 项目类别:青年科学基金项目
新一代主动互联网的数据安全与完整性
- 批准号:90604028
- 批准年份:2006
- 资助金额:28.0 万元
- 项目类别:重大研究计划
相似海外基金
Reconstruction of decadal to orbital-scale climate variability during Marine Isotope Stage 9 using precisely dated multi-proxy speleothem records from Central Europe – Part II
使用来自中欧的精确日期多代理洞穴记录重建海洋同位素阶段 9 期间十年至轨道尺度的气候变化 - 第二部分
- 批准号:
418149488 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Research Grants
Bivalve shell-based, high-resolution multi-proxy reconstruction of marine primary production – Pecten maximus, Bay of Brest
基于双壳类贝壳的高分辨率多代理海洋初级生产重建 - 大扇贝,布雷斯特湾
- 批准号:
406350147 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
Reconstruction of Holocene hydroclimate variability in the southern central Mediterranean (Sicily) based on precisely dated speleothem multi-proxy records
根据精确年代的洞穴多代理记录重建地中海中南部(西西里岛)全新世水文气候变化
- 批准号:
409158489 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
Collaborative Research: A multi-proxy approach to Early Miocene community, landscape, and climate reconstruction, Ethiopian Plateau
合作研究:埃塞俄比亚高原早中新世群落、景观和气候重建的多代理方法
- 批准号:
1511337 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: A multi-proxy approach to Early Miocene community, landscape, and climate reconstruction, Ethiopian Plateau
合作研究:埃塞俄比亚高原早中新世群落、景观和气候重建的多代理方法
- 批准号:
1339228 - 财政年份:2013
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: A multi-proxy approach to Early Miocene community, landscape, and climate reconstruction, Ethiopian Plateau
合作研究:埃塞俄比亚高原早中新世群落、景观和气候重建的多代理方法
- 批准号:
1052478 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: A multi-proxy approach to Early Miocene community, landscape, and climate reconstruction, Ethiopian Plateau
合作研究:埃塞俄比亚高原早中新世群落、景观和气候重建的多代理方法
- 批准号:
1053315 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: A multi-proxy approach to Early Miocene community, landscape, and climate reconstruction, Ethiopian Plateau
合作研究:埃塞俄比亚高原早中新世群落、景观和气候重建的多代理方法
- 批准号:
1053351 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Standard Grant
Multi-proxy reconstruction of Holocene and Late Glacial climate variability using precisely dated speleothems from the Herbstlabyrinth, central Germany
使用来自德国中部 Herbstlabyrinth 的精确年代的洞穴化石对全新世和晚冰期气候变化进行多代理重建
- 批准号:
204074792 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Research Grants
Collaborative Research: A multi-proxy approach to Early Miocene community, landscape, and climate reconstruction, Ethiopian Plateau
合作研究:埃塞俄比亚高原早中新世群落、景观和气候重建的多代理方法
- 批准号:
1053549 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Continuing Grant