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Preprints

Filtering by Subject: Civil Engineering

Understanding Flood Risk in Public Transit Systems: Insights from Accessibility and Vulnerability Analysis in Iowa

Yazeed Alabbad, Ibrahim Demir

Published: 2025-03-14
Subjects: Civil and Environmental Engineering, Civil Engineering, Engineering, Geographic Information Sciences, Geography, Operations Research, Systems Engineering and Industrial Engineering, Risk Analysis, Spatial Science, Transportation Engineering

Flooding is a major challenge for urban transportation systems, hindering access to essential services and jobs, especially for vulnerable populations. This study examines the impact of large flood extents on public transportation in Johnson and Linn counties, Iowa, United States, focusing on flood-prone bus routes, reduced service frequency, and access to job locations. Using Geographic [...]

A GPR Based Non-destructive Approach to Monitor the Engineering Properties of Compacted Base Layer

Sajib Saha, Hakan Sahin, Narain Hariharan, et al.

Published: 2025-03-07
Subjects: Civil Engineering, Geotechnical Engineering, Transportation Engineering

Construction variability and isolated defects in base layer can be limiting factors in pavement’s service life. To control construction quality and implement an efficient quality management system, this study develops a quick, accurate, and simple non-destructive method using ground penetrating radar (GPR) to determine reliable values of in-place compacted base material properties, such as [...]

Comprehensive Assessment of Flood Risk and Community Impact of Concentrated Animal Feeding Operations in Iowa

Ugur Satilmis, Jerry Mount, Adem Bayram, et al.

Published: 2025-02-05
Subjects: Agriculture, Civil and Environmental Engineering, Civil Engineering, Engineering, Environmental Engineering, Hydraulic Engineering, Life Sciences

Flooding presents a significant risk to Concentrated Animal Feeding Operations (CAFOs), especially in regions increasingly affected by extreme weather events. This study uses advanced geospatial analysis techniques to assess the environmental and economic vulnerabilities of 12,703 CAFOs across Iowa, United States. We focused on the exposure of CAFOS to 100-year and 500-year floodplains, [...]

HydroLang FRAM: Web-Based Framework for Comprehensive Flood Risk and Mitigation Assessment and Communication

Moiyyad Sufi, Carlos Erazo Ramirez, Ibrahim Demir

Published: 2024-12-31
Subjects: Civil Engineering, Environmental Engineering, Hydraulic Engineering

As the frequency and impact of floods continue to rise, real-time systems for assessment and sharing flood risk and mitigation information are crucial for proactive stakeholder engagement, effective decision-making, and public education on flood risks. This study introduces an innovative web-based framework designed to revolutionize access and utilization of flood information for flood risk and [...]

AI-Driven Decision-Making for Water Resources Planning and Hazard Mitigation Using Automated Multi Agents

Likith Anoop Kadiyala, Ramteja Sajja, Yusuf Sermet, et al.

Published: 2024-12-27
Subjects: Civil Engineering, Computational Engineering, Computer and Systems Architecture, Computer Engineering, Ecology and Evolutionary Biology, Education, Engineering, Environmental Engineering, Geotechnical Engineering, Higher Education, Hydraulic Engineering, Operations Research, Systems Engineering and Industrial Engineering, Risk Analysis, Scholarship of Teaching and Learning, Systems Engineering, Terrestrial and Aquatic Ecology, Transportation Engineering

This project simulates the Multi-Hazard Tournament (MHT) framework, a decision support system designed for the U.S. Army Corps of Engineers, using AI agents to enhance decisionmaking processes for flood mitigation and water resource management. The objective of the framework is to develop optimal strategies for protecting water resources, habitats, and communities within a defined budget. The [...]

Improved Streamflow Simulations in Hydrologically Diverse Basins using Physically Informed Deep Learning Models

Bhanu Magotra, Manabendra Saharia, C. T. Dhanya

Published: 2024-12-23
Subjects: Civil Engineering, Engineering, Hydrology

Physically informed deep learning models, especially Long Short-Term Memory (LSTM) networks, have shown promise in large-scale streamflow simulations. However, an in-depth understanding of the relative contribution of physical information in deep learning models has been missing. Using a large-sample testbed of 220 catchments in hydrologically diverse regions of the Indian subcontinent, we [...]

Integration and Execution of Community Land Model Urban (CLMU) in a Containerized Environment

Junjie Yu, Yuan Sun, Sarah Lindley, et al.

Published: 2024-11-27
Subjects: Civil Engineering, Computer Sciences, Earth Sciences, Environmental Engineering, Environmental Sciences

The Community Land Model Urban (CLMU) is a process-based numerical urban climate model that simulates the interactions between the atmosphere and urban surfaces, serving as a powerful tool for the convergence of urban and climate science research. Despite its advanced capabilities, CLMU presents significant challenges for users unfamiliar with numerical modeling due to the complexities of model [...]

HydroSuite-AI: Facilitating Hydrological Research with LLM-Driven Code Assistance

Vinay Pursnani, Carlos Erazo Ramirez, Muhammed Yusuf Sermet, et al.

Published: 2024-11-26
Subjects: Civil Engineering, Computational Engineering, Computer Engineering, Environmental Engineering, Science and Mathematics Education, Systems and Communications

In the hydrology and environmental domains, researchers often encounter complex hydrological models, evolving frameworks and libraries, and complex documentation, which necessitate both domain knowledge and coding expertise. This paper introduces HydroSuite-AI, a large language model-enhanced web application designed to address these challenges by integrating three open-source libraries: [...]

A Simple Method for Designing Infiltration Low Impact Development Techniques Considering Effects of Urbanization and Climate Change

Marcus N. Gomes Jr., Cesar A. F. do Lago, Eduardo M. Mendiondo

Published: 2024-10-12
Subjects: Civil Engineering, Environmental Engineering, Hydraulic Engineering

Infiltration low-impact development (LID) techniques allow the slow infiltration of surface water, reducing peak volumes and flows. Their design consists of specifying the surface area and a maximum ponding depth to guarantee the minimum volume required to combat the effect of excessive urbanization. Arbitrary specifications of the design height (i.e., the maximum ponding depth) of these LIDs can [...]

Challenges and Opportunities of Data Driven Advance Classification for Hard Rock TBM excavations

Georg H. Erharter, Paul Johannes Unterlaß, Nedim Radončić, et al.

Published: 2024-09-21
Subjects: Applied Statistics, Civil and Environmental Engineering, Civil Engineering, Earth Sciences, Geology, Geotechnical Engineering

Excavation with tunnel Boring Machines (TBMs) is a widely used method of tunneling in all ground types including soil and rock today. The paper addresses the shift from traditional subjective methods to data-driven approaches for advance classification of TBMs in hard rock tunnel excavation. By leveraging continuous TBM operational data, these methodologies offer more objective, transparent, [...]

Uncertainty aware sample mass determination of coarse-grained soils for particle size analyses

Georg H. Erharter, Santiago Quinteros, Diana Cordeiro, et al.

Published: 2024-08-23
Subjects: Applied Statistics, Civil and Environmental Engineering, Civil Engineering, Earth Sciences, Engineering, Environmental Engineering, Environmental Monitoring, Geology, Geomorphology, Geotechnical Engineering, Hydraulic Engineering, Hydrology, Other Civil and Environmental Engineering, Other Earth Sciences, Probability, Sedimentology, Soil Science, Statistical Models, Statistics and Probability, Stratigraphy

Determining particle size distributions (PSD) of soils is a basic first step in manygeotechnical analyses and guidance is given in different national standards. Forambiguous reasons, the recommended minimum sample mass (m_min) for the PSD-analyses of soils with a main component of gravel or greater is based on equationsincluding the soil's maximum grain diameter (D_max). We claim that the [...]

Integrating Conversational AI Agents for Enhanced Water Quality Analytics: Development of a Novel Data Expert System

Gabriel Michael Vald, Muhammed Yusuf Sermet, Jerry Mount, et al.

Published: 2024-06-01
Subjects: Artificial Intelligence and Robotics, Civil Engineering, Databases and Information Systems, Environmental Engineering, Hydrology, Software Engineering

Despite advancements in environmental monitoring, the gap between data collection and user-friendly data interpretation remains a significant challenge, especially in the domain of water quality management. This paper introduces the Artificial Intelligence Data Expert (AI-DE), a novel data analytics system that is designed to facilitate on-demand analysis of time-series sensor data related to [...]

Technological Trends in The Field of Hydrology and Environmental Sciences: A Bibliometric Analysis

Carlos Erazo Ramirez, Kevin Song, Ibrahim Demir

Published: 2024-05-31
Subjects: Civil Engineering, Computational Engineering, Education, Engineering, Environmental Engineering

The rapid advancement and widespread adoption of technology, particularly in web applications and artificial intelligence, have significantly impacted various sectors, including industry, social media, government, and research. This surge in technological utilization has played a pivotal role in the evolution of hydrogeological and environmental sciences, empowering researchers to harness [...]

Geo-WC: Custom Web Components for Earth Science Organizations and Agencies

Sumeyye Kaynak, Baran Kaynak, Carlos Erazo Ramirez, et al.

Published: 2024-04-16
Subjects: Civil and Environmental Engineering, Civil Engineering, Computer Engineering, Engineering Education, Hydraulic Engineering

The development of web technologies and their integration into various fields has allowed a new era in data-driven decision-making and public information accessibility, especially through their adoption of monitoring and quantification environmental data resources provided by governmental institutions. While the use of web technologies has given way to the creation of democratized applications, [...]

Improving Urban Climate Adaptation Modelling in the Community Earth System Model (CESM) Through Transient Urban Surface Albedo Representation

Yuan Sun, Bowen Fang, Keith W Oleson, et al.

Published: 2024-04-03
Subjects: Atmospheric Sciences, Civil Engineering, Climate, Computational Engineering, Environmental Engineering, Environmental Sciences

Increasing the albedo of urban surfaces, through strategies like white roof installations, has emerged as a promising approach for urban climate adaptation. Yet, modelling these strategies on a large scale is limited by the use of static urban surface albedo representations in the Earth system models. In this study, we developed a new transient urban surface albedo scheme in the Community Earth [...]

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