RAPID: Collaborative Research: Assessing Chemical and Microbiological Contamination in Environmental Waters in Eastern North Carolina after Hurricane Florence

RAPID:合作研究:评估飓风佛罗伦萨后北卡罗来纳州东部环境水域的化学和微生物污染

基本信息

项目摘要

Hurricane Florence passed through southeast North Carolina in 2018 resulting in widespread flooding. The counties most affected by flooding house thousands of swine and poultry confined animal feeding operations (CAFOs). These areas are also home to many low-income, African American, Hispanic, and American Indian communities. The objective of this research is to study the spread of contaminants into the environment caused by Hurricane floodwaters. The pollutants assessed include heavy metals from coal ash, emerging chemical contaminants related to industrial and municipal wastewater, and pathogens and nutrients associated with CAFOs. This project will result in improved understanding of the risks posed by extreme flooding. Local communities affected by the flooding will be engaged in this research through the identification of sampling sites and communication of research results. The results will have broader impact through the identification of waste management operations that can be modified to prevent such releases in future flooding events.The central aim of this work is to assess microbial and chemical contamination of the environment near livestock and industrial operations flooding caused by Hurricane Florence floodwaters. A secondary aim is to understand the relative impacts of different land-usage and livestock waste management practices on contaminant loading. To achieve these aims, this research project has the following objectives: (1) Collect samples to quantify spatiotemporal variability in molecular targets for microbial contamination (i.e., human-, poultry-, and swine-specific fecal microbial source tracking targets and antimicrobial resistance genes), nutrients (N and P), heavy metals, and chemical contaminants of emerging concern; (2) Identify spatial relationships between contamination, flooding extent, land-use (e.g., CAFO densities, industrial sites, urban areas) and manure management practices using satellite imagery and machine learning techniques; (3) Assess persistence of biological and chemical species in the natural environment post-flooding. To achieve these objectives, the research team will sample across 50 sites in multiple coastal plain river basins where intense flooding occurred after Hurricane Florence to map advanced chemical and biological water quality indicators in high spatial resolution. The team sampled within a week after the hurricane, and then will sample after ~1 month, ~2 months, and ~6 months. Knowledge gained from this study will directly inform improvements to emergency management protocols post-hurricane in landscapes with many contaminant sources. The work will have broader impact through the promulgation of waste management recommendations that account for the increasing likelihood and severity of extreme flooding events expected in the future as our climate changes.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.
2018 年,飓风“佛罗伦斯”穿过北卡罗来纳州东南部,导致大范围洪水泛滥。受洪水影响最严重的县拥有数以千计的猪和家禽封闭式动物饲养场 (CAFO)。这些地区也是许多低收入、非裔美国人、西班牙裔和美洲印第安人社区的家园。这项研究的目的是研究飓风洪水造成的污染物扩散到环境中的情况。评估的污染物包括煤灰中的重金属、与工业和城市废水相关的新兴化学污染物,以及与 CAFO 相关的病原体和营养物。该项目将提高人们对极端洪水造成的风险的了解。受洪水影响的当地社区将通过确定采样点和交流研究结果来参与这项研究。通过确定废物管理操作,可以对这些操作进行修改,以防止未来洪水事件中的此类排放,结果将产生更广泛的影响。这项工作的中心目的是评估畜牧业和工业操作洪水引起的附近环境的微生物和化学污染。飓风佛罗伦斯引发洪水。第二个目标是了解不同土地利用和牲畜废物管理实践对污染物负荷的相对影响。为了实现这些目标,本研究项目有以下目标:(1)收集样本以量化微生物污染分子目标的时空变异性(即人类、家禽和猪特定的粪便微生物来源追踪目标和抗菌素耐药基因) )、营养物(N 和 P)、重金属和新出现的令人关注的化学污染物; (2) 使用卫星图像和机器学习技术确定污染、洪水范围、土地利用(例如 CAFO 密度、工业场地、城市地区)和粪便管理实践之间的空间关系; (3) 评估洪水后自然环境中生物和化学物种的持久性。为了实现这些目标,研究团队将对多个沿海平原河流流域的 50 个地点进行采样,这些地点在飓风佛罗伦萨后发生了严重的洪水,以绘制高空间分辨率的先进化学和生物水质指标。 该团队在飓风发生后一周内进行了采样,然后将在约 1 个月、约 2 个月和约 6 个月后采样。从这项研究中获得的知识将直接为改进飓风后具有许多污染物源的景观的应急管理方案提供参考。这项工作将通过颁布废物管理建议来产生更广泛的影响,这些建议考虑到随着气候变化,未来极端洪水事件的可能性和严重性将不断增加。该奖项反映了 NSF 的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准。

项目成果

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Diego Riveros-Iregui其他文献

Diego Riveros-Iregui的其他文献

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{{ truncateString('Diego Riveros-Iregui', 18)}}的其他基金

Collaborative Research: From Peaks To Slopes To Communities, Tropical Glacierized Volcanoes As Sentinels of Global Change: Integrated Impacts On Water, Plants and Elemental Cycling
合作研究:从山峰到斜坡到社区,热带冰川火山作为全球变化的哨兵:对水、植物和元素循环的综合影响
  • 批准号:
    2317854
  • 财政年份:
    2023
  • 资助金额:
    $ 5.03万
  • 项目类别:
    Continuing Grant
Collaborative Research: Conceptualizing and quantifying the function of beaver dams and stormwater ponds on the hydrology and biogeochemistry of urban streams
合作研究:概念化和量化海狸坝和雨水池对城市溪流水文学和生物地球化学的功能
  • 批准号:
    2024338
  • 财政年份:
    2020
  • 资助金额:
    $ 5.03万
  • 项目类别:
    Standard Grant
CAREER: The role of small wetland connectivity in controlling greenhouse gas emissions and downstream carbon fluxes from headwater tropical streams
职业:小型湿地连通性在控制温室气体排放和热带溪流源头下游碳通量方面的作用
  • 批准号:
    1847331
  • 财政年份:
    2019
  • 资助金额:
    $ 5.03万
  • 项目类别:
    Continuing Grant
RAPID: Collaborative Research: Impacts of Extreme Flooding on Hydrologic Connectivity and Water Quality in the Atlantic Coastal Plain and Implications for Vulnerable Populations
RAPID:合作研究:极端洪水对大西洋沿岸平原水文连通性和水质的影响以及对弱势群体的影响
  • 批准号:
    1712345
  • 财政年份:
    2016
  • 资助金额:
    $ 5.03万
  • 项目类别:
    Standard Grant

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合作研究:RAPID:一场完美风暴:2023/24厄尔尼诺干旱和森林退化的双重影响是否会导致亚马逊东部地区出现局部临界点?
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  • 批准号:
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    2024
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Collaborative Research: RAPID: Investigating the magnitude and timing of post-fire sediment transport in the Texas Panhandle
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  • 批准号:
    2425431
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RAPID: Collaborative Research: Multifaceted Data Collection on the Aftermath of the March 26, 2024 Francis Scott Key Bridge Collapse in the DC-Maryland-Virginia Area
RAPID:协作研究:2024 年 3 月 26 日 DC-马里兰-弗吉尼亚地区 Francis Scott Key 大桥倒塌事故后果的多方面数据收集
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