Collaborative Research: P2C2--Reconstructing Spatiotemporal Climatic Patterns for Northeastern Canada
合作研究:P2C2——重建加拿大东北部时空气候格局
基本信息
- 批准号:1602009
- 负责人:
- 金额:$ 11.55万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-06-15 至 2020-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
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.
这个合作项目的目标是从蓝色强度(BI被提议作为密度的直接代理)和细胞数量(CN),管腔直径(LD)和细胞壁厚度(CWT)的三个解剖测量中生成新的树木年轮数据,所有这些都与气候有关。 将沿着一个纬度样带收集新的树木年轮样本,以填补古气候数据中的一个大的空间空白,并有可能推断过去几个世纪气候变化的空间变化和模式。该样带从纽芬兰南部沿海到近沿海地区,从拉布拉多东南部到拉布拉多中部的Mealy Mountains公园和保护区,以及Nain北部Napaktok峡湾附近的纬度树线和北部的离群点。这些新的数据集将用于更新现有的数据集,更好地量化过去的气候和环境变化,并将记录扩展到中世纪气候异常。拉布拉多和纽芬兰的气候在很大程度上取决于北大西洋西部的大气-海洋动力学,包括拉布拉多海的影响,拉布拉多海是地球温盐环流系统的关键组成部分。 其他影响包括主导气候模式,如北大西洋涛动(NAO)。 重建西北大西洋部分的海表温度、陆地温度、海冰范围和水文气候,以及分析仪器和再分析数据,有可能提高目前对这一高度动态区域气候变化的认识。首要的研究问题是:1)该地区长期气候变率的根本原因和模式是什么?2)人类活动时期的气候与前几个世纪相比如何?该项目涉及一种独特的、具有潜在变革性的分析技术(即,蓝色强度)探索环极地区的气候过程。还向拉布拉多最北端的Nain村进行了宣传,那里的社区必须在最近的极端气候中科普严峻的社会经济挑战。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Pacific climate influences on ocean conditions and extreme shell growth events in the Northwestern Atlantic (Gulf of Maine)
- DOI:10.1007/s00382-018-4513-8
- 发表时间:2018-10
- 期刊:
- 影响因子:4.6
- 作者:A. Wanamaker;Shelly M. Griffin;C. Ummenhofer;Nina M. Whitney;B. Black;R. Parfitt;Erin E. Lower-Spies;D. Introne;K. Kreutz
- 通讯作者:A. Wanamaker;Shelly M. Griffin;C. Ummenhofer;Nina M. Whitney;B. Black;R. Parfitt;Erin E. Lower-Spies;D. Introne;K. Kreutz
Distinct seasonal climate drivers revealed in a network of tree-ring records from Labrador, Canada
- DOI:10.1007/s00382-019-05092-6
- 发表时间:2020-01
- 期刊:
- 影响因子:4.6
- 作者:R. Parfitt;C. Ummenhofer;B. Buckley;K. Hansen;R. D’Arrigo
- 通讯作者:R. Parfitt;C. Ummenhofer;B. Buckley;K. Hansen;R. D’Arrigo
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Caroline Ummenhofer其他文献
Caroline Ummenhofer的其他文献
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{{ truncateString('Caroline Ummenhofer', 18)}}的其他基金
Collaborative Research: Reconstructing bottom water temperatures from bivalves on the continental shelf: Holocene history as a window to the future in the Mid- Atlantic
合作研究:重建大陆架双壳类底层水温:全新世历史是通向大西洋中部未来的窗口
- 批准号:
2202751 - 财政年份:2022
- 资助金额:
$ 11.55万 - 项目类别:
Standard Grant
Collaborative Research: P2C2--Evaluating the Origins of Multidecadal Variability in Late Holocene Indian Summer Monsoon Rainfall in Nepal
合作研究:P2C2——评估尼泊尔全新世晚期印度夏季季风降雨的多年代际变化的起源
- 批准号:
2102844 - 财政年份:2021
- 资助金额:
$ 11.55万 - 项目类别:
Standard Grant
Analyzing Weather Data from Historic Logbooks to Assess Changing Wind and Atmospheric Pressure Patterns
分析历史日志中的天气数据以评估不断变化的风和气压模式
- 批准号:
1852647 - 财政年份:2019
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Standard Grant
Collaborative Research: P2C2--Bridging the Gap from Northern Iberia to Northwest Africa to Reconstruct Atmospheric Dynamics and Hydroclimate for the Last 2,500 Years
合作研究:P2C2——弥合从伊比利亚北部到非洲西北部的差距,重建过去 2,500 年的大气动力学和水文气候
- 批准号:
1804132 - 财政年份:2018
- 资助金额:
$ 11.55万 - 项目类别:
Standard Grant
PREEVENTS Track 2: Collaborative Research: Ocean Salinity as a predictor of US hydroclimate extremes
预防事件轨道 2:合作研究:海洋盐度作为美国极端水文气候的预测因子
- 批准号:
1663704 - 财政年份:2017
- 资助金额:
$ 11.55万 - 项目类别:
Continuing Grant
Collaborative Research: P2C2--Reconstructing Holocene Dynamics of the Indo-Pacific Tropical Rain Belt using Australian Stalagmites and Coupled Climate Models
合作研究:P2C2——利用澳大利亚石笋和耦合气候模型重建印度洋-太平洋热带雨带全新世动态
- 批准号:
1602455 - 财政年份:2016
- 资助金额:
$ 11.55万 - 项目类别:
Standard Grant
Decadal Variability in the North Atlantic Extra-Tropics: The Role of Coupling Between Atmospheric Blocking and the Atlantic Multidecadal Oscillation
北大西洋温带地区的年代际变化:大气阻塞与大西洋数十年振荡之间的耦合作用
- 批准号:
1355339 - 财政年份:2014
- 资助金额:
$ 11.55万 - 项目类别:
Standard Grant
Collaborative Research: P2C2--Reconstructing Hydroclimatic Asian Monsoon Variability for the Past Millennium from Tree Rings: Myanmar and Vicinity
合作研究:P2C2——从树木年轮重建过去千年亚洲季风水文气候变化:缅甸及其周边地区
- 批准号:
1304245 - 财政年份:2013
- 资助金额:
$ 11.55万 - 项目类别:
Standard Grant
Collaborative Research: P2C2--Reconstructing Changes in Asian Monsoon Circulation during the Last Millennium from Stable Isotopes in Tropical Tree Rings
合作研究:P2C2——从热带树木年轮中的稳定同位素重建近千年来亚洲季风环流的变化
- 批准号:
1203704 - 财政年份:2012
- 资助金额:
$ 11.55万 - 项目类别:
Standard Grant
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