Remote Sensing of Vegetation Types, Productivity and Change in the Canadian High Arctic
加拿大高北极植被类型、生产力和变化的遥感
基本信息
- 批准号:RGPIN-2019-04151
- 负责人:
- 金额:$ 2.62万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2020
- 资助国家:加拿大
- 起止时间:2020-01-01 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Arctic ecosystems are critically important systems to study within the context of global climate and environmental change. However, due to its remoteness and logistical challenges, research on Arctic vegetation condition remains largely understudied. Arctic ecosystems cover approximately 5 million km2 globally, with almost half of this spatial extent falling within Canada's sovereignty (i.e., 2.4 million km2). Scientists have determined that the strongest signals of climate change are being observed in the Arctic (i.e., at high latitudes). This warming will have widespread and diverse impacts on Arctic vegetation; i.e., plant growth will increase and differentially affect species abundance, biodiversity and reproductive success, thereby changing community boundaries, composition and overall ecosystem processes. Satellite remote sensing data provides an opportunity to estimate and monitor vegetation. However, there has been limited research conducted in the Canadian Arctic on characterizing vegetation types and modelling biophysical variables using high spatial resolution remote sensing data (in situ studies to calibrate and validate appropriate remote sensing models to estimate these variables at high spatial resolutions. My research will develop remote sensing methods to classify vegetation types of ecological significance, quantify vegetation biophysical properties (i.e., percent cover, carbon exchange) and link these measures across scales to examine vegetation/landscape response spatially and temporally.
In 2017, the Arctic Monitoring and Assessment Program reported that “The Arctic's climate is shifting to a new state.” and that “Climate change in the Arctic has continued at a rapid pace.” In 2018, the Intergovernmental Panel on Climate Change reported that warming in the Arctic is, and will continue to be, two to three times higher than the global average. With clear evidence of warming in the Arctic, Canada has the potential to be a leader in evaluating the impacts of warming on diverse Arctic ecosystems. The results of my research will enable our ability to assess environmental change across Arctic terrestrial ecosystems and estimate future feedback scenarios. This research will help us inform development decisions and adaptation strategies for communities and resource industries living and operating in Canada's North. Over the five year granting period, I will train 3 PhD candidates, 4 MSc candidates and 3 BSc (Hons) students who will conduct research in the Canadian High Arctic, thereby contributing to the next generation of Arctic scientists and practitioners specifically trained in Arctic field methods, remote sensing image processing and spatial data analysis. My research will provide methods for monitoring the response of Arctic terrestrial ecosystems and terrain to a shifting climate condition.
在全球气候和环境变化的背景下,北极生态系统是至关重要的研究系统。然而,由于其地处偏远和后勤方面的挑战,对北极植被状况的研究还远远不够。北极生态系统覆盖全球约500万平方公里,其中近一半属于加拿大主权范围(即240万平方公里)。科学家们已经确定,在北极(即高纬度地区)观测到的气候变化信号最为强烈。这种变暖将对北极植被产生广泛而多样的影响;也就是说,植物生长将会增加,并对物种丰度、生物多样性和繁殖成功率产生不同的影响,从而改变群落边界、组成和整个生态系统过程。卫星遥感数据提供了估计和监测植被的机会。然而,在加拿大北极地区进行的关于利用高空间分辨率遥感数据表征植被类型和模拟生物物理变量的研究有限(就地研究),以校准和验证适当的遥感模型,以便在高空间分辨率下估计这些变量。我的研究将开发遥感方法,对具有生态意义的植被类型进行分类,量化植被的生物物理特性(即,覆盖百分比,碳交换),并将这些措施跨尺度联系起来,以检查植被/景观的时空响应。
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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Treitz, Paul其他文献
Leaf Area Index (LAI) Estimation in Boreal Mixedwood Forest of Ontario, Canada Using Light Detection and Ranging (LiDAR) and WorldView-2 Imagery
- DOI:
10.3390/rs5105040 - 发表时间:
2013-10-01 - 期刊:
- 影响因子:5
- 作者:
Pope, Graham;Treitz, Paul - 通讯作者:
Treitz, Paul
Modelling high arctic percent vegetation cover using field digital images and high resolution satellite data
- DOI:
10.1016/j.jag.2016.06.023 - 发表时间:
2016-10-01 - 期刊:
- 影响因子:7.5
- 作者:
Liu, Nanfeng;Treitz, Paul - 通讯作者:
Treitz, Paul
Arctic Ecological Classifications Derived from Vegetation Community and Satellite Spectral Data
- DOI:
10.3390/rs4123948 - 发表时间:
2012-12-01 - 期刊:
- 影响因子:5
- 作者:
Atkinson, David M.;Treitz, Paul - 通讯作者:
Treitz, Paul
Examining spectral reflectance features related to Arctic percent vegetation cover: Implications for hyperspectral remote sensing of Arctic tundra
- DOI:
10.1016/j.rse.2017.02.002 - 发表时间:
2017-04-01 - 期刊:
- 影响因子:13.5
- 作者:
Liu, Nanfeng;Budkewitsch, Paul;Treitz, Paul - 通讯作者:
Treitz, Paul
Vegetation class dependent errors in lidar ground elevation and canopy height estimates in a boreal wetland environment
- DOI:
10.5589/m05-007 - 发表时间:
2005-04-01 - 期刊:
- 影响因子:2.6
- 作者:
Hopkinson, Chris;Chasmer, Laura E.;Treitz, Paul - 通讯作者:
Treitz, Paul
Treitz, Paul的其他文献
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{{ truncateString('Treitz, Paul', 18)}}的其他基金
Remote Sensing of Vegetation Types, Productivity and Change in the Canadian High Arctic
加拿大高北极植被类型、生产力和变化的遥感
- 批准号:
RGPIN-2019-04151 - 财政年份:2022
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Remote Sensing of Vegetation Types, Productivity and Change in the Canadian High Arctic
加拿大高北极植被类型、生产力和变化的遥感
- 批准号:
RGPIN-2019-04151 - 财政年份:2021
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Remote Sensing of Vegetation Types, Productivity and Change in the Canadian High Arctic
加拿大高北极植被类型、生产力和变化的遥感
- 批准号:
RGPIN-2019-04151 - 财政年份:2019
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
REMOTE SENSING OF BIOPHYSICAL VARIABLES AT MULTIPLE SPATIAL SCALES ALONG A LATITUDINAL GRADIENT IN THE CANADIAN ARCTIC
加拿大北极沿纬度梯度多空间尺度生物物理变量的遥感
- 批准号:
RGPIN-2014-03822 - 财政年份:2018
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
REMOTE SENSING OF BIOPHYSICAL VARIABLES AT MULTIPLE SPATIAL SCALES ALONG A LATITUDINAL GRADIENT IN THE CANADIAN ARCTIC
加拿大北极沿纬度梯度多空间尺度生物物理变量的遥感
- 批准号:
RGPIN-2014-03822 - 财政年份:2017
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
REMOTE SENSING OF BIOPHYSICAL VARIABLES AT MULTIPLE SPATIAL SCALES ALONG A LATITUDINAL GRADIENT IN THE CANADIAN ARCTIC
加拿大北极沿纬度梯度多空间尺度生物物理变量的遥感
- 批准号:
RGPIN-2014-03822 - 财政年份:2016
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
REMOTE SENSING OF BIOPHYSICAL VARIABLES AT MULTIPLE SPATIAL SCALES ALONG A LATITUDINAL GRADIENT IN THE CANADIAN ARCTIC
加拿大北极沿纬度梯度多空间尺度生物物理变量的遥感
- 批准号:
RGPIN-2014-03822 - 财政年份:2015
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
REMOTE SENSING OF BIOPHYSICAL VARIABLES AT MULTIPLE SPATIAL SCALES ALONG A LATITUDINAL GRADIENT IN THE CANADIAN ARCTIC
加拿大北极沿纬度梯度多空间尺度生物物理变量的遥感
- 批准号:
RGPIN-2014-03822 - 财政年份:2014
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Remote sensing of environmental change across northern terrestrial ecosystems
北部陆地生态系统环境变化的遥感
- 批准号:
203231-2008 - 财政年份:2013
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Remote sensing of environmental change across northern terrestrial ecosystems
北部陆地生态系统环境变化的遥感
- 批准号:
203231-2008 - 财政年份:2011
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
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