Author ORCID Identifier

https://orcid.org/0009-0004-4020-2560

Document Type

Capstone Project

Publication Date

Spring 5-10-2025

Abstract

With the growing threat of flooding in coastal and inland communities, it is necessary to migrate nature-based solutions such as green infrastructure. However, one of the challenges that designers face with this strategy lies in the design phase where it is difficult to quantify the performance with traditional design tools. Thus, there is an incentive to incorporate hydrological models within GIS to aid designers in quantifying performance. The goal of this research is to demonstrate that hydrological simulations can be used as a design tool for designers–such as landscape architects & architects– to analyze the feasibility of green infrastructure designs for flash flooding mitigation. The research will describe the methodology framework of the design process that includes the explanation of the process required to run the simulations on open-source software GRASS GIS’s models r.sim.water; as well as the workflow between GRASS GIS and 3D modeling software such as Rhinoceros 3D and Grasshopper. The framework includes data collection, data processing, design interventions, simulation, analysis, and how to incorporate the feedback from the simulations to optimize the green infrastructure design. The project will explain the methodology framework through a case study in the city of LaPlace, Louisiana that will focus on testing hydrologic performance of a green infrastructure design. The results of this study will provide a framework that can be replicated for any location in the world, helping communities transition more easily to green infrastructure strategies and improving their resilience to climate change.

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