Preprints
Filtering by Subject: Civil and Environmental Engineering
EGMSpy: an open-source Python toolkit for scalable data handling, classification, clustering, and visualisation of Copernicus EGMS InSAR data
Published: 2026-05-08
Subjects: Civil and Environmental Engineering, Earth Sciences, Environmental Monitoring, Geomorphology
The Copernicus European Ground Motion Service (EGMS) provides millimetre-accuracy line-of-sight displacement measurements for over five billion coherent scatterers across Europe, derived from Sentinel-1 SAR interferometry over the period 2015--2023. Despite the unprecedented spatial coverage and measurement density of this dataset, no open-source integrated toolchain exists for processing, [...]
Enhancing the Generalization of Flood Susceptibility Models: A Leakage-Aware Ensemble Framework for Deltaic Landscapes
Published: 2026-05-08
Subjects: Civil and Environmental Engineering, Engineering, Environmental Engineering, Hydraulic Engineering
Flood susceptibility mapping (FSM) is a cornerstone of disaster risk reduction in low-lying deltaic regions; however, conventional machine learning (ML) applications frequently suffer from spatial data leakage, resulting in inflated performance metrics and unreliable hazard predictions. To address this critical methodological shortcoming, this study develops a robust, leakage-aware ML framework [...]
A research roadmap for assessing the feasibility of warming Mars
Published: 2026-05-05
Subjects: Astrophysics and Astronomy, Civil and Environmental Engineering, Earth Sciences, Planetary Sciences
This roadmap outlines research pathways to determine whether Mars could be warmed withnon-biological methods. It does not presuppose that warming Mars is desirable; its purposeis to identify what would need to be true for Mars to be warmed, what it would cost, and whatcould go wrong. Three complementary research tracks appear promising. Solid-stategreenhouse membranes offer local warming, aiding [...]
Rules-Based Systems Modeling for Hydropower Forecasting in Multi-Objective Reservoir Systems: Application to California's Central Valley Project
Published: 2026-05-03
Subjects: Civil and Environmental Engineering, Engineering, Environmental Engineering
Hydropower from large multi-objective reservoirs and water management projects constitutes the bulk of global reservoir-based generation. Yet accurate forecasting remains challenging because generation is governed not only by hydrology but by complex institutional rules, environmental regulations, and infrastructure constraints. This study demonstrates that a rules-based systems modeling [...]
Towards Prospective Disaster Risk Management: Mapping Multi-hazard Urban Risk Dynamics Driven by Evolving Exposure and Vulnerability via Earth Observation
Published: 2026-05-01
Subjects: Categorical Data Analysis, Civil and Environmental Engineering, Civil Engineering, Engineering, Environmental Monitoring, Geographic Information Sciences, Human Geography, Other Computer Sciences, Physical and Environmental Geography, Remote Sensing, Risk Analysis, Spatial Science, Structural Engineering
As local governments increasingly adopt geospatial Climate and Disaster Risk Assessment (CDRA) to inform prospective public policy, the reliability of existing static risk intelligence is challenged by the continuous evolution of building exposure, population distribution, and physical vulnerability. Recent multi-temporal datasets of the built environment, derived from Earth Observation and [...]
Closing the Duration Gap in RVT: The Energetic Duration
Published: 2026-04-30
Subjects: Civil and Environmental Engineering, Engineering
Duration is a fundamental descriptor of earthquake ground motion, yet it remains ill-defined across engineering seismology, with numerous threshold-based measures adopted for specific applications. This ambiguity has allowed duration to function as a calibration parameter in analyses such as random vibration theory (RVT), where it is often adjusted to match observed response spectra. This paper [...]
A Meteorological Indicator for Particulate Matter Emissions: Adapting the Hot-Dry-Windy Index to Predict Feedlot Evening Dust Peaks
Published: 2026-04-22
Subjects: Agriculture, Animal Sciences, Bioresource and Agricultural Engineering, Civil and Environmental Engineering, Engineering, Environmental Engineering, Environmental Sciences, Life Sciences, Physical Sciences and Mathematics
Particulate matter emissions from cattle feedlot operations pose significant challenges to both livestock productivity and air quality in surrounding communities. The evening dust peak (EDP) has been documented for decades, but comprehensive long-term studies examining its meteorological drivers are very limited. While laboratory and field-scale investigations have demonstrated that feedlot [...]
Scaling Spatiotemporal Transformers for Regional Food Security: A Tri-Stream Latent-Dynamic Approach to Pre-Harvest Yield and Price Forecasting
Published: 2026-04-17
Subjects: Civil and Environmental Engineering
Pre-harvest yield forecasting and price stability prediction are critical for food security planning in climate-vulnerable regions, yet existing approaches struggle to integrate heterogeneous data streams spanning satellite imagery, historical agricultural statistics, and socioeconomic indicators. We present the Tri-Stream Latent-Dynamic Transformer (TLDT), a novel deep learning architecture that [...]
Geostatistical Assessment of Shallow Groundwater Risk in Urban Coastal Virginia: A Case Study from Virginia Beach
Published: 2026-04-14
Subjects: Civil and Environmental Engineering, Engineering, Environmental Sciences, Geology, Hydrology, Life Sciences, Other Environmental Sciences, Water Resource Management
Urban groundwater assessments in coastal cities often rely on public monitoring datasets that are spatially uneven and temporally discontinuous. This study evaluates shallow groundwater risk in Virginia Beach, Virginia, using 30 years of records (1991–2020) from 121 monitoring wells for groundwater levels and 55 wells with groundwater‑quality data for chloride (Cl), iron (Fe), and manganese (Mn). [...]
The Evolution of Digital Twins in Hydrology and Environmental Science: From Physical Models to AI-Assisted Autonomous Systems
Published: 2026-04-11
Subjects: Civil and Environmental Engineering, Environmental Engineering
Digital Twin (DT) technologies have emerged as transformative framework in hydrology, enabling adaptive, real-time modeling of water systems through data-driven intelligence. This position paper proposes a five-level technological evolution model for hydrological digital twins, tracing field’s progression over the last three decades (1995-2025) from physical models to autonomous & [...]
Chitosan-Modified Loofah Scaffold for Sustainable Microplastic Removal from Water
Published: 2026-04-02
Subjects: Civil and Environmental Engineering, Engineering
The global accumulation of over 400 million tons of plastic waste annually has intensified the growing crisis of micro- and nanoplastic (MNP) contamination in natural and drinking water systems. These particles persist in the environment and act as vectors for toxic pollutants. Existing mitigation strategies often rely on costly synthetic materials or energy-intensive infrastructure, which may [...]
SPATIAL SPARSITY AWARE EXPLAINABLE DEEP LEARNING-BASED LANDSLIDE SUSCEPTIBILITY MAPPING: APPLICATION TO A HILL DISTRICT, BANGLADESH
Published: 2026-03-28
Subjects: Civil and Environmental Engineering, Engineering, Geotechnical Engineering
Landslide susceptibility mapping is a critical disaster risk management tool in mountainous regions, particularly in developing countries and in regions where development is ongoing or planned. This research introduces a novel approach to landslide susceptibility mapping that addresses the persistent challenge of spatial sparsity in landslide datasets, particularly in developing countries where [...]
Machine Learning Based Alum Dosing Optimization for Adaptive Water Quality Management in Treatment Plant
Published: 2026-03-28
Subjects: Civil and Environmental Engineering, Environmental Engineering
Ensuring safe and cost-effective water purification remains a critical challenge, particularly for large natural water bodies like the Halda River, where water quality parameters fluctuate significantly. Traditional methods for determining alum dosages often rely on manual experiments that fail to adapt to real-time variations, leading to inefficiencies and chemical overuse. This study [...]
Seasonal Anomaly Detection in the Halda River Using a Multivariate Deep Learning Framework
Published: 2026-03-27
Subjects: Civil and Environmental Engineering, Earth Sciences, Engineering, Mechanical Engineering
Monitoring river water quality is essential to preserving ecological integrity, especially in ecologically significant rivers like the Halda, which is renowned for its natural freshwater carp spawning. This study presents a deep learning-based approach using a deep autoencoder neural network for unsupervised anomaly detection in water quality data. Two-year time-series data including daily [...]
Analyzing Seasonal Variations in Air Quality with Google Earth Engine: A Case Study of Chattogram, Bangladesh
Published: 2026-03-27
Subjects: Civil and Environmental Engineering, Earth Sciences, Engineering, Environmental Sciences
Air pollution is a serious environmental challenge in Bangladesh, significantly affecting public health and the ecosystem. This study considers analyzing the seasonal fluctuation of air quality in Chattogram by analyzing 13 significant areas near the industrial zone by using Google Earth Engine (GEE) to explore the SENTINEL-5P satellite data for key pollutants, including nitrogen dioxide (NO2), [...]