RAPID/Collaborative Research: Geotechnical and Geoenvironmental Properties of the Ahr Valley and Their Role in Structural Damage During Recent Flooding

快速/合作研究:阿尔河谷的岩土工程和地质环境特性及其在近期洪水期间结构破坏中的作用

基本信息

项目摘要

This Grant for Rapid Response Research (RAPID) award will focus on collecting and processing high resolution, perishable data on the spatial distribution of erosive and depositional patterns in the vicinity of infrastructure and river sections that were affected during the 2021 Western European Floods. These data will be interrogated to provide insight into how channel geometry, flow conditions, the presence of debris, and geotechnical properties affect performance of engineered structures interacting with extreme floods. This is relevant in the context of global climate change where extreme flooding is expected to occur more frequently and at larger magnitudes. Many of the modern structures that were damaged during the flooding in Germany are similar to structures found across the United States and knowledge gained from studying this flooding event will be transferable to the built environment in the United States. Data generated during the project can provide support to update infrastructure design and flood mitigation strategies to meet future demands intensified by climate change.The specific goal of this research is to provide new data and knowledge on the impact of extreme flooding events on infrastructure and the effects of urban land usage and environmental conditions. Through this data collection, a detailed set of case studies that document sediment dynamics in the vicinity of infrastructure and in urban river sections will facilitate identification of features and processes that potentially influence performance of engineered structures during extreme flooding. Geophysical field measurements in the riverbed will include rotary side scan sonar, high resolution chirp sonar, and single beam sonar. This will enable collection of channel bathymetry and sediment stratigraphy, which may reveal novel information on if or how changes in substrata in the upper meter of the river bed play a significant role in sediment mobilization and instability during extreme hydraulic events. Both ground-based and airborne LiDAR surveys will provide high-resolution, 3D models of the riverbanks and surrounding structures, enabling assessment of potential interaction between erosive patterns and structural damage. Multispectral images will be collected using drone-based technology to identify broader erosive and depositional patterns. Geotechnical field measurements will include pocket free fall penetrometer, pocket erodometer, field vane shear, and field fall cone measurements in addition to sample collection for laboratory measurements. The geotechnical observations, coupled with the geophysical and remote sensing data, will enable a comprehensive assessment of how sediments were eroded and transported near engineered structures.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.
快速反应研究奖(RAPID)将重点收集和处理2021年西欧洪水期间受影响的基础设施和河段附近侵蚀和沉积模式空间分布的高分辨率易腐数据。这些数据将被询问,以提供深入了解如何通道几何形状,流动条件,碎片的存在,岩土工程特性影响的性能与极端洪水的工程结构。在全球气候变化的背景下,这是相关的,预计极端洪水将更频繁地发生,规模更大。许多在德国洪水中受损的现代建筑与美国各地发现的建筑相似,从研究这次洪水事件中获得的知识将转移到美国的建筑环境中。项目期间产生的数据可以为更新基础设施设计和防洪策略提供支持,以满足未来因气候变化而加剧的需求。本研究的具体目标是提供关于极端洪水事件对基础设施的影响以及城市土地使用和环境条件影响的新数据和知识。通过这些数据收集,一套详细的案例研究记录了基础设施附近和城市河段的沉积物动力学,将有助于确定极端洪水期间可能影响工程结构性能的特征和过程。河床的地球物理场测量将包括旋转侧扫声纳、高分辨率啁啾声纳和单波束声纳。这将有助于收集河道水深和沉积物地层学,这可能会揭示有关河床上层底质变化是否或如何在极端水力事件期间对沉积物动员和不稳定性发挥重要作用的新信息。地基和机载LiDAR调查将提供河岸和周围结构的高分辨率3D模型,从而能够评估侵蚀模式和结构损坏之间的潜在相互作用。将利用无人机技术收集多光谱图像,以确定更广泛的侵蚀和沉积模式。除了实验室测量的样本采集外,岩土现场测量还包括袖珍自由落体式重力仪、袖珍磨耗仪、现场十字板剪切和现场降落锥测量。岩土工程观测,再加上地球物理和遥感数据,将使沉积物如何被侵蚀和工程结构附近的运输进行全面评估。这个奖项反映了NSF的法定使命,并已被认为是值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估的支持。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Multispectral Imaging for Identification of High-Water Marks in Postdisaster Flood Reconnaissance
灾后洪水勘察中识别高水位线的多光谱成像
  • DOI:
    10.1061/nhrefo.nheng-1735
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Gardner, Michael;Nichols, Elliot;Stark, Nina;Lemnitzer, Anne;Frost, David
  • 通讯作者:
    Frost, David
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Nina Stark其他文献

Sediment Characterization Based on Portable Free Fall Penetrometer Measurements Using a Deep Neural Network
基于使用深度神经网络的便携式自由落体贯入计测量的沉积物表征
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Md. Rejwanur Rahman;E. Hunstein;A. Rodriguez;Nina Stark;Grace Massey;Carl Friedrichs;K. Dorgan;C. Cox
  • 通讯作者:
    C. Cox
Challenges in the Measurement of Cross-shore Geotechnical Characteristics of Sandy Beach Surface Sediments
沙滩表面沉积物跨岸岩土特征测量的挑战
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    4.4
  • 作者:
    N. Brilli;Nina Stark
  • 通讯作者:
    Nina Stark
Geotechnical Investigation of Exposed Intertidal Flats at the Great Bay Estuary Using Sediment Sampling and Satellite-Based Synthetic Aperture Radar
利用沉积物采样和星基合成孔径雷达对大湾河口裸露潮间带进行岩土工程调查
Initial observations of the impacts of infauna on portable free fall penetrometer measurements in sandy parts of Mobile Bay
莫比尔湾沙地地区动物群对便携式自由落体贯入仪测量影响的初步观察
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    5.7
  • 作者:
    Nina Stark;K. Dorgan;N. Brilli;M. R. Frey;C. Cox;J. Calantoni
  • 通讯作者:
    J. Calantoni
Geotechnical Characterization of a Tidal Estuary Mudflat Using Portable Free-Fall Penetrometers
使用便携式自由落体贯入仪对潮汐河口泥滩进行岩土工程表征

Nina Stark的其他文献

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{{ truncateString('Nina Stark', 18)}}的其他基金

NNA Track 2: Collaborative Research: Interaction Between Coastal and Riverine Processes and the Built Environment in Coastal Arctic Communities
NNA 轨道 2:合作研究:沿海和河流过程与北极沿海社区建筑环境之间的相互作用
  • 批准号:
    2022562
  • 财政年份:
    2020
  • 资助金额:
    $ 3.61万
  • 项目类别:
    Standard Grant
Collaborative research: Arctic Shelf sediment fate - an observational and modeling study of sediment pathways and morphodynamic feedbacks in a changing polar environment
合作研究:北极陆架沉积物命运——极地环境变化中沉积物路径和形态动力学反馈的观测和建模研究
  • 批准号:
    1912863
  • 财政年份:
    2019
  • 资助金额:
    $ 3.61万
  • 项目类别:
    Standard Grant
RAPID: Integrated Geotechnical and Geophysical Investigation of Subaqueous Foundations, Levees and River Banks Impacted by Hurricane Harvey
RAPID:受飓风哈维影响的水下基础、堤坝和河岸的综合岩土工程和地球物理调查
  • 批准号:
    1822307
  • 财政年份:
    2018
  • 资助金额:
    $ 3.61万
  • 项目类别:
    Standard Grant
CAREER: Improving the Understanding of Coastal Erosion during Extreme Events and with Sea Level Rise through Geotechnical Investigation
职业:通过岩土调查提高对极端事件期间和海平面上升期间海岸侵蚀的了解
  • 批准号:
    1751463
  • 财政年份:
    2018
  • 资助金额:
    $ 3.61万
  • 项目类别:
    Standard Grant
Collaborative Research: Geotechnical Investigation of Bivalve-Sediment Interaction with regard to Bivalve Farms as a Self-sustained Scour Mitigation Method
合作研究:双壳类养殖场双壳类与沉积物相互作用的岩土工程研究作为一种自我持续的冲刷缓解方法
  • 批准号:
    1820848
  • 财政年份:
    2018
  • 资助金额:
    $ 3.61万
  • 项目类别:
    Standard Grant
Development of an active layer seafloor sampler as an add-on unit for portable free-fall penetrometers
开发活性层海底采样器作为便携式自由落体贯入仪的附加装置
  • 批准号:
    1434938
  • 财政年份:
    2015
  • 资助金额:
    $ 3.61万
  • 项目类别:
    Continuing Grant
US-GERMANY workshop and joined field survey in the Arctic: Initiating a new collaboration with the COPER group (Alfred-Wegener-Institute) through a joined field survey.
美国-德国研讨会并参与北极实地调查:通过联合实地调查与 COPER 集团(阿尔弗雷德-韦格纳研究所)启动新的合作。
  • 批准号:
    1426661
  • 财政年份:
    2014
  • 资助金额:
    $ 3.61万
  • 项目类别:
    Standard Grant

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  • 批准号:
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