RUI: Documenting the Effects of Global Warming on an Arctic Eocene Lake Using Siliceous Microfossil Remains
RUI:利用硅质微化石遗迹记录全球变暖对北极始新世湖泊的影响
基本信息
- 批准号:0716606
- 负责人:
- 金额:$ 30万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2007
- 资助国家:美国
- 起止时间:2007-09-01 至 2012-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Over 50 million years ago, long before humans evolved, the Earth was engulfed in an extremely warm period known as the Cenozoic hot house. The warming event was caused by a massive release of greenhouse gases from deep oceanic sediments and resulted in an Earth that was totally ice-free with subtropical conditions extending well beyond the Arctic Circle. The goal of this project is to document the remains of microscopic photosynthetic organisms from an extensive core representing an ancient Arctic lake during the Cenozoic hot house and use the findings to evaluate the effects of future warming on freshwater ecosystems. The core is remarkable and unique in that it contains a continuous record of events over an eight million year period. In addition to addressing global warming issues, this study will evaluate evolutionary questions for two ecologically important groups of organisms, including evolutionary stasis, formation of modern cell structures and rates of extinction. From an environmental point of view, there is no greater sense of urgency worldwide than understanding the potential effects of global warming on our planet. Today, humans are pumping greenhouse gases into the atmosphere at a rate greater than that which caused the Cenozoic hot house. The project offers a unique opportunity to understand how Arctic freshwater ecosystems respond to global warming and will yield information that can aid in the calibration of computer-based models.
5000万多年前,早在人类进化之前,地球就陷入了一个被称为新生代温室的极其温暖的时期。 这次变暖事件是由深海沉积物大量释放温室气体引起的,导致地球完全无冰,亚热带条件远远超出了北极圈。 该项目的目标是记录新生代温室中代表古老北极湖泊的广阔核心中的微观光合生物遗骸,并利用这些发现来评估未来变暖对淡水生态系统的影响。 该核心的非凡和独特之处在于它包含了八百万年期间事件的连续记录。 除了解决全球变暖问题外,这项研究还将评估两个具有重要生态意义的生物群体的进化问题,包括进化停滞、现代细胞结构的形成和灭绝率。 从环境角度来看,全世界最紧迫的任务莫过于了解全球变暖对地球的潜在影响。 如今,人类向大气中排放温室气体的速度比造成新生代温室的速度还要快。 该项目提供了一个独特的机会来了解北极淡水生态系统如何应对全球变暖,并将产生有助于校准计算机模型的信息。
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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Peter Siver其他文献
Peter Siver的其他文献
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{{ truncateString('Peter Siver', 18)}}的其他基金
RUI: From Greenhouse to Icehouse: Documenting evolutionary trends in freshwater siliceous organisms over 80 million years of environmental change
RUI:从温室到冰库:记录 8000 万年环境变化中淡水硅质生物的进化趋势
- 批准号:
1940070 - 财政年份:2020
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
RUI: Paleobiology of the Eocene Giraffe Fossil Locality: Response of an Arctic Ecosystem to a Greenhouse Climate
RUI:始新世长颈鹿化石产地的古生物学:北极生态系统对温室气候的响应
- 批准号:
1725265 - 财政年份:2017
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
RUI: Characterizing Arctic lakes during greenhouse climates through an analysis of siliceous organisms: A glimpse of what the future may hold.
RUI:通过对硅质生物的分析来描述温室气候下的北极湖泊的特征:展望未来。
- 批准号:
1144098 - 财政年份:2012
- 资助金额:
$ 30万 - 项目类别:
Continuing Grant
OPUS: RUI - Promoting and preserving the study of scaled chrysophytes with an emphasis on global climate change, evolutionary stasis, phylogeny and biogeography
作品:RUI - 促进和保护鳞片金藻植物的研究,重点是全球气候变化、进化停滞、系统发育和生物地理学
- 批准号:
1049583 - 财政年份:2011
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
RUI: Documenting, Understanding and Conserving the Biodiversity of Freshwater Siliceous Algae in Coastal Ponds Along Eastern North America
RUI:记录、理解和保护北美东部沿海池塘淡水硅质藻类的生物多样性
- 批准号:
0343355 - 财政年份:2004
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
RUI: Web-Based Tools to Enhance Understanding of Microscopic Biodiversity
RUI:基于网络的工具,增强对微观生物多样性的理解
- 批准号:
0229531 - 财政年份:2003
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
RUI: An Inventory of Scaled Chrysophytes and Diatoms in Seepage Lakes Along the East Coast of the United States: A Basis for the Future Conservation of Microscopic Organisms
RUI:美国东海岸渗漏湖中的鳞状金藻和硅藻清查:未来微生物保护的基础
- 批准号:
9972120 - 财政年份:1999
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
RUI: Using a Paleolimnological Approach to Assess the Interactive Effects of Acidic Deposition and Eutrophication on Softwater Lakes
RUI:使用古湖泊学方法评估酸性沉积和富营养化对软水湖的相互作用影响
- 批准号:
9615062 - 财政年份:1997
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
U.S.-Argentina Cooperative Science Program: Biodiversity and Ecology of Chrysophyta in the Parana River Region (Argentina)
美国-阿根廷合作科学计划:巴拉那河地区金藻生物多样性和生态学(阿根廷)
- 批准号:
9301883 - 财政年份:1993
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
RUI: Assessing Change in Aquatic Resources Using a Historical Data Base: Effects of Land Use on Lakewater Chemistry and Plankton Biodiversity
RUI:利用历史数据库评估水生资源的变化:土地利用对湖水化学和浮游生物多样性的影响
- 批准号:
9306587 - 财政年份:1993
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
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