Multi-frequency microwave remote sensing of ocean-sea ice-atmosphere dynamics in response to climate change

气候变化对海洋-海冰-大气动态的多频微波遥感

基本信息

  • 批准号:
    RGPIN-2022-05217
  • 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:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Rapidly changing Arctic sea ice is progressively challenging our capacity for evaluating ecological consequences, achieving socio-economic benefits while balancing environmental risks, and making evidence-based policy decisions. Emerging Arctic sea ice conditions are also creating new problems for existing, satellite-based, observation systems, while developing observation systems are introducing new opportunities. This research program merges new information about the evolving geophysical properties of the Arctic ocean-sea ice matrix with leading-edge microwave remote sensing technologies, to improve sea ice observational capacity for climate research, with emphasis on the study of ocean-sea ice-atmosphere dynamics at local to regional-scales. The core project objective is to develop new sea ice indicators that utilize current active microwave systems, namely synthetic aperture radar (SAR), so that sea ice properties and related biophysical processes can be observed and studied over a wider set of environmental conditions than are currently known. It will be achieved by addressing critical knowledge gaps in the connection between in situ geophysical, thermodynamic, and active microwave scattering properties of the sea ice volume, and merging new knowledge with effective scaling methods for exploitation of space-borne sensors. Within this context, advancements in satellite imaging capabilities, such as compact polarimetry (CP), rapid-revisit constellations, and C- and L-band frequency SAR fusion will be assessed. Regionally, the project will focus on the Canadian Arctic Archipelago and adjacent waters through which sea ice is exchanged. Secondary objectives, achievable through developed collaborations and partnerships, include: (1) implementation of newly developed satellite-based sea ice and ocean surface retrievals, along with in situ measurements, in the development of efficient and improved parameterizations for numerical sea ice-ocean models, leading to improved simulations of atmosphere-ice-ocean physics and marine forecasts; and (2) translation of detected sea ice information to residents of Arctic communities, to inform safe and efficient travel and preservation of sea ice-associated cultural traditions.
迅速变化的北极海冰正在逐步挑战我们评估生态后果、实现社会经济效益同时平衡环境风险以及做出基于证据的政策决策的能力。新出现的北极海冰状况也给现有的卫星观测系统带来了新的问题,而发展中的观测系统则带来了新的机会。该研究方案将有关北极海洋-海冰基质不断演变的地球物理特性的新信息与先进的微波遥感技术相结合,以提高海冰观测能力,促进气候研究,重点是研究局部到区域尺度的海洋-海冰-大气动力学。该项目的核心目标是开发新的海冰指标,利用目前的有源微波系统,即合成孔径雷达,以便在比目前已知的更广泛的环境条件下观察和研究海冰特性和相关的生物物理过程。实现这一目标的方法是填补海冰量的现场地球物理、热力学和主动微波散射特性之间联系方面的关键知识空白,并将新知识与利用星载传感器的有效缩放方法相结合。在这一背景下,将评估卫星成像能力的进展,如小型偏振测量、快速重访星座以及C波段和L波段频率合成孔径雷达融合。在区域一级,该项目将侧重于加拿大北极群岛和海冰交换的邻近沃茨。通过发展合作和伙伴关系可实现的次要目标包括:(1)实施新开发的卫星海冰和海洋表面反演,沿着现场测量,为海冰-海洋数值模型开发有效和改进的参数化,从而改进大气-冰-海洋物理学模拟和海洋预报;以及(2)将检测到的海冰信息翻译给北极社区的居民,以告知安全和有效的旅行以及与海冰相关的文化传统的保护。

项目成果

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Scharien, Randall其他文献

Implications of fractured Arctic perennial ice cover on thermodynamic and dynamic sea ice processes
  • DOI:
    10.1002/2013jc009557
  • 发表时间:
    2014-04-01
  • 期刊:
  • 影响因子:
    3.6
  • 作者:
    Asplin, Matthew G.;Scharien, Randall;Prinsenberg, Simon
  • 通讯作者:
    Prinsenberg, Simon

Scharien, Randall的其他文献

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{{ truncateString('Scharien, Randall', 18)}}的其他基金

Multi-frequency microwave remote sensing of ocean-sea ice-atmosphere dynamics in response to climate change
气候变化对海洋-海冰-大气动态的多频微波遥感
  • 批准号:
    RGPNS-2022-05217
  • 财政年份:
    2022
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Northern Research Supplement
Multi-frequency microwave remote sensing of summer Arctic sea ice attributes as indicators of climate and biophysical processes
夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
  • 批准号:
    RGPIN-2015-05540
  • 财政年份:
    2021
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Multi-frequency microwave remote sensing of summer Arctic sea ice attributes as indicators of climate and biophysical processes
夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
  • 批准号:
    RGPIN-2015-05540
  • 财政年份:
    2020
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Multi-frequency microwave remote sensing of summer Arctic sea ice attributes as indicators of climate and biophysical processes
夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
  • 批准号:
    RGPIN-2015-05540
  • 财政年份:
    2019
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Multi-frequency microwave remote sensing of summer Arctic sea ice attributes as indicators of climate and biophysical processes
夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
  • 批准号:
    RGPIN-2015-05540
  • 财政年份:
    2018
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Multi-frequency microwave remote sensing of summer Arctic sea ice attributes as indicators of climate and biophysical processes
夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
  • 批准号:
    RGPIN-2015-05540
  • 财政年份:
    2017
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Multi-frequency microwave remote sensing of summer Arctic sea ice attributes as indicators of climate and biophysical processes
夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
  • 批准号:
    RGPIN-2015-05540
  • 财政年份:
    2016
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Multi-frequency microwave remote sensing of summer Arctic sea ice attributes as indicators of climate and biophysical processes
夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
  • 批准号:
    RGPIN-2015-05540
  • 财政年份:
    2015
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Discovery Grants Program - Individual
Forward Microwave scattering modeling of first-year sea ice melt ponds
第一年海冰融化池的前向微波散射模型
  • 批准号:
    318783-2005
  • 财政年份:
    2007
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Postgraduate Scholarships - Doctoral
Forward Microwave scattering modeling of first-year sea ice melt ponds
第一年海冰融化池的前向微波散射模型
  • 批准号:
    318783-2005
  • 财政年份:
    2006
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Postgraduate Scholarships - Doctoral

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机器学习辅助的多频微波成像
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夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
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夏季北极海冰属性的多频微波遥感作为气候和生物物理过程的指标
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