GIS-based analysis of environmental justice and compound natural hazards in the built and natural environment

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Infrastructure design connects people and the built environment with the natural world; thus, accessible, equitable, and sustainable infrastructure is critical for community resilience. As changing climate patterns present new hazards and challenges for communities, environmental policy and civil engineering are evolving to respond to these challenges. In this thesis, we utilize publicly available data to examine the role of Geographic Information Systems (GIS) in responding to these challenges in the built and natural environment. In the first manuscript, we analyzed publicly available online GIS tools designed by federal agencies to provide insight into environmental justice analysis. These GIS tools can be especially valuable when incorporated into the NEPA process for civil and environmental engineering projects. In the second manuscript, we compiled a variety of publicly available data layers as parameters and developed a GIS methodology to provide insight into risk assessment for a specific compound natural hazard, post-wildfire debris flows, focusing on water and its impacts on the landscape. We conclude that community engagement and climate-adaptive infrastructure design, along with public policy that prioritizes them, can guide civil engineering innovation.

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