Cluster of excellence in water resources and climate modeling in alpine and polar environments

高山和极地环境水资源和气候建模卓越集群

基本信息

  • 批准号:
    RGPIN-2019-04858
  • 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

项目摘要

The retreat of mountain glaciers worldwide is a key indicator of modern climate change, with mass loss from glaciers contributing to sea level rise and to river flows during dry and warm parts of the year. In western Canada, maintenance of low flows by glacier runoff is essential for hydro-power generation, agricultural irrigation and water supply for major cities and small towns. The coming decades will see rapid and unprecedented changes to glaciers worldwide. However, current projections are unable to resolve with certainty how individual river basins will be impacted by the loss of glacier ice in their headwaters. The long-term objective of my research program is to use state-of-the-art field, modelling and data analysis methods to narrow the uncertainties in projections of glacial contributions to streamflow and sea level rise. My short-term objectives, each envisioned as a PhD project, will address the following key uncertainties: A) Uncertainty in future climate scenarios, given by Global Climate Models (GCMs), which drive the glacier mass changes. We will evaluate GCMs with historical climate observations and use the best performing GCMs for the projections. B) Uncertainty in simple downscaling methods used to convert coarsely-resolved climate fields from GCMs to finely-resolved ones that drive melt processes at the scale of individual glaciers. We will develop advanced downscaling methods that incorporate regional climate modelling and machine learning methods. C) Uncertainty in empirical melt models which cannot be adequately calibrated in the absence of observations. We will develop a physics-based model that calculates melt from the difference between energy input into the glacier (e.g. solar radiation) and energy output (e.g. thermal radiation). We will evaluate model performance against novel field observations of energy and mass fluxes at glaciers in western Canada. D) Uncertainty in the treatment of glacier dynamics. We will incorporate a high-complexity model of glacier geometry evolution in our model of glacier mass balance. E) Uncertainty in glacier mass loss on regional scale which cannot be adequately quantified in the absence of a historical record of mass changes at this scale. We will develop novel data analysis methods to use available long-term streamflow measurements as a proxy of glacier mass changes. By resolving these uncertainties, we will provide projections of glacier contribution to streamflow at the level of detail necessary to inform local policy makers and user communities. The outcomes will define how climate change will tangibly express itself for Canadians and most of the world. Funded personnel will contribute to the cutting-edge research on risk assessment of freshwater resources under climate change, and will receive high-level training in geosciences, computing and data analysis preparing them for a broad range of opportunities in academia, government or private industry.
全球山地冰川的退缩是现代气候变化的一个关键指标,冰川的质量损失导致海平面上升,并在一年中干燥和温暖的部分导致河流流量增加。在加拿大西部,冰川径流维持低流量对水力发电、农业灌溉和主要城市和小城镇的供水至关重要。未来几十年,全世界的冰川将发生迅速而前所未有的变化。然而,目前的预测无法确定单个河流流域将如何受到其源头冰川冰损失的影响。

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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Radic, Valentina其他文献

How sensitive are mountain glaciers to climate change? Insights from a block model
  • DOI:
    10.1017/jog.2018.15
  • 发表时间:
    2018-04-01
  • 期刊:
  • 影响因子:
    3.4
  • 作者:
    Bach, Eviatar;Radic, Valentina;Schoof, Christian
  • 通讯作者:
    Schoof, Christian
Global response of glacier runoff to twenty-first century climate change
Regionally differentiated contribution of mountain glaciers and ice caps to future sea-level rise
  • DOI:
    10.1038/ngeo1052
  • 发表时间:
    2011-02-01
  • 期刊:
  • 影响因子:
    18.3
  • 作者:
    Radic, Valentina;Hock, Regine
  • 通讯作者:
    Hock, Regine
Application of Entropy Ensemble Filter in Neural Network Forecasts of Tropical Pacific Sea Surface Temperatures
  • DOI:
    10.3390/e20030207
  • 发表时间:
    2018-03-01
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Foroozand, Hossein;Radic, Valentina;Weijs, Steven V.
  • 通讯作者:
    Weijs, Steven V.
Identification of local water resource vulnerability to rapid deglaciation in Alberta
  • DOI:
    10.1038/s41558-020-0863-4
  • 发表时间:
    2020-08-03
  • 期刊:
  • 影响因子:
    30.7
  • 作者:
    Anderson, Sam;Radic, Valentina
  • 通讯作者:
    Radic, Valentina

Radic, Valentina的其他文献

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{{ truncateString('Radic, Valentina', 18)}}的其他基金

Cluster of excellence in water resources and climate modeling in alpine and polar environments
高山和极地环境水资源和气候建模卓越集群
  • 批准号:
    RGPIN-2019-04858
  • 财政年份:
    2022
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Improving glacier melt modelling through ground-based profiling of atmospheric boundary layer
通过大气边界层的地面剖面分析改进冰川融化建模
  • 批准号:
    RTI-2022-00533
  • 财政年份:
    2021
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Research Tools and Instruments
Cluster of excellence in water resources and climate modeling in alpine and polar environments
高山和极地环境水资源和气候建模卓越集群
  • 批准号:
    RGPIN-2019-04858
  • 财政年份:
    2021
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Cluster of excellence in water resources and climate modeling in alpine and polar environments
高山和极地环境水资源和气候建模卓越集群
  • 批准号:
    RGPIN-2019-04858
  • 财政年份:
    2019
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling glacier mass changes on regional and global scales
模拟区域和全球范围内的冰川质量变化
  • 批准号:
    436211-2013
  • 财政年份:
    2018
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling glacier mass changes on regional and global scales
模拟区域和全球范围内的冰川质量变化
  • 批准号:
    436211-2013
  • 财政年份:
    2017
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling glacier mass changes on regional and global scales
模拟区域和全球范围内的冰川质量变化
  • 批准号:
    436211-2013
  • 财政年份:
    2016
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling glacier mass changes on regional and global scales
模拟区域和全球范围内的冰川质量变化
  • 批准号:
    436211-2013
  • 财政年份:
    2015
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling glacier mass changes on regional and global scales
模拟区域和全球范围内的冰川质量变化
  • 批准号:
    436211-2013
  • 财政年份:
    2014
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling glacier mass changes on regional and global scales
模拟区域和全球范围内的冰川质量变化
  • 批准号:
    436211-2013
  • 财政年份:
    2013
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual

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高山和极地环境水资源和气候建模卓越集群
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    $ 2.62万
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