Advancing non-invasive geoelectrical methods for imaging soil and groundwater contaminants
推进非侵入性地电方法对土壤和地下水污染物进行成像
基本信息
- 批准号:RGPIN-2020-06427
- 负责人:
- 金额:$ 1.89万
- 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
- 来源:
- 关键词:
项目摘要
Contamination of soil and groundwater by hazardous chemicals, including chlorinated solvents and coal tar (known as dense nonaqueous phase liquids (DNAPLs)) and other anthropogenic chemicals such as per- and polyfluoroalkyl substances (PFAS), remains a serious problem worldwide. Approximately 24,000 federal contaminated sites exist in Canada alone, including former industrial lands, decommissioned refineries, and abandoned gas stations. In 2019, the Federal Contaminated Sites Action Plan was renewed for 15 years, with the federal government pledging $1.16 billion for the first five years (2020 to 2024). Of this, $1.05 billion has been assigned to remediate contaminated sites. Successful remediation requires accurate knowledge on where the contaminants are, and how quickly they are being removed. Since conventional methods, including boreholes and monitoring wells, are intrusive, costly and provide limited information, rapid and cost-effective methods providing continuous information on the subsurface are highly desirable. Geoelectrical techniques are non-invasive imaging methods that can `look' below the surface, much like an MRI scan, to detect features of interest. These techniques, which include electrical resistivity tomography (ERT) and induced polarization (IP), are seeing increasing application in environmental investigations. Since they measure the spatial variation of electrical properties, and contaminants typically have distinct electrical properties relative to groundwater (i.e., resistive DNAPL, conductive AMD), geoelectrical techniques have outstanding potential as investigative tools at contaminated sites. However, their common application has not been realized, due in part to the lack of tools and experience in interpreting geoelectrical responses from heterogeneous contaminant distributions in the subsurface. The ultimate goal of this research program is to establish geoelectrical techniques as field-proven tools for contaminated site investigations, including characterization and remediation activities. ERT is the most mature technique but requires critical research to jump to pilot-scale field trials. IP is newer and exciting but needs fundamental work to prove its value for certain contaminants and scenarios. In the short-term, this research program will focus on: (i) building the foundation for IP as a technique for mapping contaminated sites, (ii) translating initial success of ERT to pilot test field implementation, and (iii) launching geoelectrical techniques for mapping key emerging contaminants. The program is timely and is supplemented by the recent, transformative improvements occurring in geoelectrical imaging. It is expected to be a game changer in the remediation industry, leading to significant benefits to the Canadian environment and economy. Furthermore, it will train 3 MESc students, 2 PhD students and 5 undergraduate students and prepare them for key positions in the fast-growing environmental sector.
危险化学物质(包括氯化溶剂和煤炭)(称为密集的非水相液体(DNAPL))和其他人为化学物质(例如per和多氟烷基物质(PFAS))对土壤和地下水的污染仍然是一个严重的问题。仅加拿大,就有大约24,000个联邦污染的地点,包括以前的工业用地,退役的炼油厂和废弃的加油站。 2019年,联邦污染的站点行动计划续签了15年,联邦政府在头五年(2020年至2024年)保证了11.6亿美元。其中,已将10.5亿美元分配给了补救污染的地点。成功的修复需要关于污染物在哪里以及去除污染物的何处的准确知识。由于传统的方法(包括钻孔和监测井)是侵入性的,昂贵的,并且提供了有限的信息,因此非常需要提供有关地下的连续信息的快速且具有成本效益的方法。地理技术是非侵入性成像方法,可以在表面以下“看”,就像MRI扫描一样,以检测感兴趣的特征。这些技术,包括电阻率断层扫描(ERT)和诱导的极化(IP),在环境研究中的应用正在增加。由于它们测量了电性能的空间变化,并且污染物通常相对于地下水具有不同的电性能(即电阻DNAPL,导电性AMD),因此地球电技术具有出色的潜力作为受污染位点的研究工具。但是,它们的共同应用尚未实现,部分原因是缺乏工具和经验来解释地下异构污染物分布的地球响应。 该研究计划的最终目的是建立地理电技术作为污染现场调查(包括表征和补救活动)的现场证实的工具。 ERT是最成熟的技术,但需要进行重要的研究才能跳入试验尺度的现场试验。 IP是新的和令人兴奋的,但需要基本工作来证明其对某些污染物和场景的价值。在短期内,该研究计划将重点介绍:(i)建立IP作为映射污染站点的技术的基础,(ii)将ERT转换为试点测试现场实施的初步成功,以及(iii)启动地球技术技术用于映射密钥新兴污染物。 该程序是及时的,并补充了最近在地球成像中发生的变革性改进。预计它将成为补救行业的游戏规则改变者,从而为加拿大的环境和经济带来巨大的好处。此外,它将培训3名MESC学生,2名博士学位学生和5名本科生,并为他们准备快速发展的环境领域的关键职位。
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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Power, Christopher其他文献
Early Life Exposure to Lipopolysaccharide Suppresses Experimental Autoimmune Encephalomyelitis by Promoting Tolerogenic Dendritic Cells and Regulatory T Cells
- DOI:
10.4049/jimmunol.0803576 - 发表时间:
2009-07-01 - 期刊:
- 影响因子:4.4
- 作者:
Ellestad, Kristofor K.;Tsutsui, Shigeki;Power, Christopher - 通讯作者:
Power, Christopher
Future design of accessibility in games: A design vocabulary
- DOI:
10.1016/j.ijhcs.2019.06.010 - 发表时间:
2019-11-01 - 期刊:
- 影响因子:5.4
- 作者:
Cairns, Paul;Power, Christopher;Haynes, Greg - 通讯作者:
Haynes, Greg
Brain-derived human immunodeficiency virus-1 Tat exerts differential effects on LTR transactivation and neuroimmune activation
- DOI:
10.1080/13550280701258399 - 发表时间:
2007-01-01 - 期刊:
- 影响因子:3.2
- 作者:
Boven, Leonie A.;Noorbakhsh, Farshid;Power, Christopher - 通讯作者:
Power, Christopher
Suppressed oligodendrocyte steroidogenesis in multiple sclerosis: Implications for regulation of neuroinflammation
- DOI:
10.1002/glia.23179 - 发表时间:
2017-10-01 - 期刊:
- 影响因子:6.2
- 作者:
Boghozian, Roobina;McKenzie, Brienne A.;Power, Christopher - 通讯作者:
Power, Christopher
Activation of the executioner caspases-3 and-7 promotes microglial pyroptosis in models of multiple sclerosis
- DOI:
10.1186/s12974-020-01902-5 - 发表时间:
2020-08-29 - 期刊:
- 影响因子:9.3
- 作者:
McKenzie, Brienne A.;Fernandes, Jason P.;Power, Christopher - 通讯作者:
Power, Christopher
Power, Christopher的其他文献
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{{ truncateString('Power, Christopher', 18)}}的其他基金
Accessible Experiences in Immersive Digital Technology
沉浸式数字技术的无障碍体验
- 批准号:
RGPIN-2020-05570 - 财政年份:2022
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Grants Program - Individual
Accessible Experiences in Immersive Digital Technology
沉浸式数字技术的无障碍体验
- 批准号:
RGPIN-2020-05570 - 财政年份:2021
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Grants Program - Individual
Advancing non-invasive geoelectrical methods for imaging soil and groundwater contaminants
推进非侵入性地电方法对土壤和地下水污染物进行成像
- 批准号:
RGPIN-2020-06427 - 财政年份:2021
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Grants Program - Individual
Advancing non-invasive geoelectrical methods for imaging soil and groundwater contaminants
推进非侵入性地电方法对土壤和地下水污染物进行成像
- 批准号:
RGPIN-2020-06427 - 财政年份:2020
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Grants Program - Individual
Advancing non-invasive geoelectrical methods for imaging soil and groundwater contaminants
推进非侵入性地电方法对土壤和地下水污染物进行成像
- 批准号:
DGECR-2020-00408 - 财政年份:2020
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Launch Supplement
Accessible Experiences in Immersive Digital Technology
沉浸式数字技术的无障碍体验
- 批准号:
RGPIN-2020-05570 - 财政年份:2020
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Grants Program - Individual
Geophysical Techniques for Mapping Contamination and Tracking Remediation
用于污染绘图和跟踪修复的地球物理技术
- 批准号:
417718-2011 - 财政年份:2012
- 资助金额:
$ 1.89万 - 项目类别:
Industrial Postgraduate Scholarships
Geophysical Techniques for Mapping Contamination and Tracking Remediation
用于污染绘图和跟踪修复的地球物理技术
- 批准号:
417718-2011 - 财政年份:2011
- 资助金额:
$ 1.89万 - 项目类别:
Industrial Postgraduate Scholarships
Design of viral vectors for in vivo gene expression
用于体内基因表达的病毒载体的设计
- 批准号:
170534-2001 - 财政年份:2005
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Grants Program - Individual
Design of viral vectors for in vivo gene expression
用于体内基因表达的病毒载体的设计
- 批准号:
170534-2001 - 财政年份:2004
- 资助金额:
$ 1.89万 - 项目类别:
Discovery Grants Program - Individual
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