RAPID: Understanding the Immediate and Long-Term Impacts of Maui Wildfires on Chemical and Microbiological Quality of Nearshore Beach and Coastal Waters

RAPID:了解毛伊岛野火对近岸海滩和沿海水域化学和微生物质量的直接和长期影响

基本信息

  • 批准号:
    2345629
  • 负责人:
  • 金额:
    $ 20万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2023
  • 资助国家:
    美国
  • 起止时间:
    2023-09-15 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

On August 8, 2023, a rapid and devastating wildfire burned through the historical town of Lahaina (Maui) in the State of Hawaii. Early indications suggest that the Maui wildfire caused the release of hazardous chemicals and pollutants into the environment including 1) volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs), and heavy metals from the burning of vegetation, vehicles, and structures and 2) nutrients (nitrogen and phosphate) and microbial pathogens from untreated wastewater released following power outages and disruptions of the operations of local wastewater treatment plants. This RAPID project will evaluate the impact of these hazardous chemicals and pollutants on chemical and microbiological water quality in the local coastal/beach aquifers and ecosystems following the Maui wildfire. To advance this goal, the project team will collect and analyze sediments, surface water, and groundwater samples from areas affected and unaffected by the wildfire. In addition, the project team proposes to combine the on-site measurements with groundwater modeling to characterize and identify the extent and mechanisms of contaminant transport across the land-sea boundary in coastal areas that are affected by the wildfire. The successful completion of this project will benefit society through the generation of data and fundamental knowledge about the immediate and long-term impacts of the Maui wildfire on chemical and microbiological water quality in coastal/beach aquifers and marine ecosystems. Such new data and knowledge would be critically needed to guide water resource managers, local communities, and other stakeholders in Maui as they design and implement solutions to mitigate the contamination of local drinking water sources and improve the resilience of coastal/beach aquifers and ecosystems to contamination following wildfires. Additional benefits to society will be achieved through student education and training, including the mentoring of two graduate students at the University of Hawaii at Manoa. Following the Maui wildfire, a broad range of hazardous chemicals such as volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs), and heavy metals, as well as nutrients such as nitrogen and phosphorus, were released into the environment including the vadose zones of costal and beach aquifers. These contaminants pose both immediate and long-term threats to coastal water resources in Maui through surface runoff (rapid and acute) and submarine groundwater discharge (slow and chronic). The overarching goal of this RAPID project is to investigate this dual mechanism of contaminant transport and its adverse impacts on local drinking water sources and coastal/beach aquifers and ecosystems in Maui. The specific objectives of this research are to 1) evaluate the immediate impact of the wildfire on chemical and microbiological water quality in local beach and coastal aquifers, 2) probe the long-term impacts on chemical and microbiological quality of groundwater within beaches in Maui and 3) characterize the extent and mechanisms of contaminant exchange and transport across the interface of the sea and beach over multiple time scales, driven by tide- and wave-induced interactions between seawater and groundwater. The successful completion of this project has the potential to advance the fundamental understanding of the fate and transport of contaminants released following wildfires in coastal regions and their adverse impact on local water resources and marine ecosystems. To implement the educational and training goals of this RAPID project, the Principal Investigators propose to leverage the University of Hawaii at Manoa Undergraduate Research Opportunities Program to engage and recruit undergraduate students from Maui to work on the project research activities.This RAPID project is jointly supported by the ENG/CBET Environmental Engineering and Environmental Sustainability programs.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
2023年8月8日,一场迅速而毁灭性的野火烧毁了夏威夷州的历史小镇拉海纳(毛伊岛)。早期迹象表明,毛伊岛野火导致危险化学品和污染物释放到环境中,包括1)挥发性有机化合物(VOC),多环芳烃(PAH)和重金属,来自植被,车辆,结构和2)营养(氮和磷)以及当地废水处理厂运作中断后释放的未经处理的废水中的微生物病原体。这个快速项目将评估这些危险化学品和污染物对毛伊岛野火后当地沿海/海滩含水层和生态系统中化学和微生物水质的影响。为了推进这一目标,项目团队将收集和分析受野火影响和未受野火影响地区的沉积物,地表水和地下水样本。此外,项目小组建议将现场测量与地下水建模联合收割机相结合,以描述和确定受野火影响的沿海地区污染物跨陆海边界迁移的程度和机制。该项目的成功完成将通过生成关于毛伊岛野火对沿海/海滩含水层和海洋生态系统的化学和微生物水质的直接和长期影响的数据和基本知识,造福社会。毛伊岛的水资源管理人员、当地社区和其他利益攸关方在设计和实施解决方案以减轻当地饮用水源污染并提高沿海/海滩含水层和生态系统对野火后污染的恢复能力时,迫切需要这些新数据和知识来指导他们。还将通过学生教育和培训,包括指导马诺阿夏威夷大学的两名研究生,为社会带来更多的好处。毛伊岛野火发生后,一系列危险化学品,如挥发性有机化合物(VOCs)、多环芳烃(PAH)和重金属,以及氮和磷等营养物质被释放到环境中,包括沿海和海滩含水层的渗流区。这些污染物通过地表径流(快速和急性)和海底地下水排放(缓慢和慢性)对毛伊岛的沿海水资源构成直接和长期威胁。该RAPID项目的总体目标是调查污染物迁移的双重机制及其对毛伊岛当地饮用水源和沿海/海滩含水层和生态系统的不利影响。 本研究的具体目标是:1)评估野火对当地海滩和沿海含水层中化学和微生物水质的直接影响,2)探索毛伊岛海滩内地下水化学和微生物质量的长期影响,3)描述多个时间尺度上海洋和海滩界面上污染物交换和传输的程度和机制,由潮汐和波浪引起的海水和地下水之间的相互作用驱动。这一项目的成功完成有可能促进对沿海地区野火后释放的污染物的归宿和迁移及其对当地水资源和海洋生态系统的不利影响的基本了解。 为了实现这一快速发展项目的教育和培训目标,主要研究者建议利用夏威夷大学马诺阿分校本科生研究机会计划,从毛伊岛招收本科生从事项目研究活动。该RAPID项目由ENG/CBET环境工程和环境可持续性项目。该奖项反映了NSF的法定使命,并通过使用基金会的学术价值和更广泛的影响审查标准。

项目成果

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Xiaolong Geng其他文献

Mathematical modeling of the biodegradation of residual hydrocarbon in a variably-saturated sand column
  • DOI:
    10.1007/s10532-012-9566-5
  • 发表时间:
    2012-07-04
  • 期刊:
  • 影响因子:
    3.200
  • 作者:
    Xiaolong Geng;Michel C. Boufadel;Brian Wrenn
  • 通讯作者:
    Brian Wrenn
Targeted inhibition of Gus-expressing emEnterococcus faecalis/em to promote intestinal stem cell and epithelial renovation contributes to the relief of irinotecan chemotoxicity by dehydrodiisoeugenol
靶向抑制表达Gus的粪肠球菌以促进肠道干细胞和上皮细胞更新,有助于脱氢二异丁子香酚缓解伊立替康的化学毒性
  • DOI:
    10.1016/j.apsb.2024.09.018
  • 发表时间:
    2024-12-01
  • 期刊:
  • 影响因子:
    14.600
  • 作者:
    Ruiyang Gao;Bei Yue;Cheng Lv;Xiaolong Geng;Zhilun Yu;Hao Wang;Beibei Zhang;Fangbin Ai;Ziyi Wang;Donghui Liu;Zhengtao Wang;Kaixian Chen;Wei Dou
  • 通讯作者:
    Wei Dou
Numerical simulations of tidal beach seawater-groundwater circulations using dimensionless method
利用无量纲方法对潮滩海水-地下水循环的数值模拟
  • DOI:
    10.1016/j.jhydrol.2024.132372
  • 发表时间:
    2025-01-01
  • 期刊:
  • 影响因子:
    6.300
  • 作者:
    Wei Wang;Laitong Cui;Xiaolong Geng;Manhua Luo;Shengchao Yu;Zhenyan Wang;Qianqian Wang;Hailong Li
  • 通讯作者:
    Hailong Li
Multiphase CFD simulation of the nearshore spilled oil behaviors
  • DOI:
    10.1016/j.envpol.2021.117730
  • 发表时间:
    2021-11-01
  • 期刊:
  • 影响因子:
  • 作者:
    Mohammadmehdi Raznahan;Chunjiang An;S. Samuel Li;Xiaolong Geng;Michel Boufadel
  • 通讯作者:
    Michel Boufadel
Optimizing Post-Editing Strategies in Human-Computer Interaction

Xiaolong Geng的其他文献

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