| 项目编号: | 1602022
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| 项目名称: | Collaborative Research: P2C2--Reconstructing Spatiotemporal Climatic Patterns for Northeastern Canada |
| 作者: | Brendan Buckley
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| 承担单位: | Columbia University
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| 批准年: | 2016
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| 开始日期: | 2016-06-15
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| 结束日期: | 2019-05-31
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| 资助金额: | 575951
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| 资助来源: | US-NSF
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| 项目类别: | Standard Grant
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| 国家: | US
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| 语种: | 英语
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| 特色学科分类: | Geosciences - Atmospheric and Geospace Sciences
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| 英文关键词: | climate
; collaborative project
; overarching research question
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| 英文摘要: | This collaborative project generally aims to generate new tree-ring data from Blue Intensity (BI is proposed as a direct proxy for density) and three anatomical measurements of cell number (CN), lumen diameter (LD) and cell wall thickness (CWT) all of which have proposed links to climate. New tree-ring samples will be collected along a latitudinal transect to fill a large spatial gap in paleoclimatic data and potentially allow the inference of spatial shifts and patterns in climatic variability over the past several centuries.
This transect extends from southern, coastal to near-coastal sites in Newfoundland and southeastern Labrador to the Mealy Mountains Park and Reserve in central Labrador, and to latitudinal treeline near Napaktok Fjord north of Nain and outlier sites just to the north. These new collections will be used to update existing datasets and better quantify past climate and environmental variability across space and time and extend the record into the Medieval Climate Anomaly.
The climate of Labrador and Newfoundland is largely determined by the prevailing western North Atlantic's atmosphere-ocean dynamics including effects of the Labrador Sea, a key component of the Earth's thermohaline circulation system. Other influences include dominant climate modes such as the North Atlantic Oscillation (NAO). Reconstructions of northwest Atlantic sector sea surface temperatures (SST), land temperature, sea-ice extent and hydroclimate, as well as analyses of instrumental and reanalysis data, could potentially improve the current knowledge of climate change in this highly dynamic region.
The overarching research questions are: 1) What are the underlying causes and patterns of long-term climate variability across the region? 2) How does the climate of the anthropogenic period compare with prior centuries?
This project involves the potential for a unique and potentially transformative analytical technique (i.e., Blue Intensity) for exploring climate processes in circumpolar regions. There is also outreach to Labrador's northernmost village of Nain, where communities must cope with severe socioeconomic challenges amid recent climatic extremes. |
| 资源类型: | 项目
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/92055
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| Appears in Collections: | 全球变化的国际研究计划
科学计划与规划
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| Recommended Citation: | |
Brendan Buckley. Collaborative Research: P2C2--Reconstructing Spatiotemporal Climatic Patterns for Northeastern Canada. 2016-01-01.
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