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Cyanobacterial blooms (CBs) pose significant global challenges due to their harmful toxins and socio-economic impacts, with nutrient availability playing a key role in their growth, as described by ecological stoichiometry (ES). However,…

Analysis of PDEs · Mathematics 2025-02-19 Jacob Serpico , Kyunghan Choi , B. A. Zambrano-Luna , Tianxu Wang , Hao Wang

In response to natural or anthropocentric pollutions coupled to global climate changes, microorganisms from aquatic environments can suddenly accumulate on water surface. These dense suspensions, known as blooms, are harmful to ecosystems…

Biological Physics · Physics 2015-11-16 Julien Dervaux , Annick Méjean , Philippe Brunet

Cyanobacterial Harmful Algal Blooms (CyanoHABs) pose significant threats to aquatic ecosystems and public health globally. Lake Champlain is particularly vulnerable to recurring CyanoHAB events, especially in its northern segment:…

Harmful cyanobacterial blooms (CBs) are increasingly prevalent worldwide, posing significant environmental and health concerns. We derive a stoichiometric model describing the population dynamics and toxicity of cyanobacteria in…

Dynamical Systems · Mathematics 2025-06-11 Jacob Serpico , B. A. Zambrano-Luna , Russell Milne , Christopher M. Heggerud , Alan Hastings , Hao Wang

Harmful Algal and Cyanobacterial Blooms (HABs), occurring in inland and maritime waters, pose threats to natural environments by producing toxins that affect human and animal health. In the past, HABs have been assessed mainly by the manual…

Systems and Control · Electrical Eng. & Systems 2023-09-12 José L. Risco-Martín , Segundo Esteban , Jesús Chacón , Gonzalo Carazo-Barbero , Eva Besada-Portas , José A. López-Orozco

This study constructs an integrated early warning system (EWS) that identifies and predicts stock market turbulence. Based on switching ARCH (SWARCH) filtering probabilities of the high volatility regime, the proposed EWS first classifies…

Econometrics · Economics 2019-12-02 Peiwan Wang , Lu Zong , Ye Ma

Toxic cyanobacterial blooms are a growing environmental concern that affects freshwater ecosystems, drinking water supplies, and public health. The cyanobacterium Microcystis is among the most important bloom forming species. It often grows…

Climate change is intensifying the occurrence of harmful algal bloom (HAB), particularly cyanobacteria, which threaten aquatic ecosystems and human health through oxygen depletion, toxin release, and disruption of marine biodiversity.…

Artificial Intelligence · Computer Science 2025-11-07 Patterson Hsieh , Jerry Yeh , Mao-Chi He , Wen-Han Hsieh , Elvis Hsieh

Dryland vegetation ecosystems are known to be susceptible to critical transitions between alternative stable states when subjected to external forcing. Such transitions are often discussed through the framework of bifurcation theory, but…

Computational Physics · Physics 2025-05-16 Daniel Dylewsky , Sonia Kéfi , Madhur Anand , Chris T. Bauch

Drought is a frequent and costly natural disaster in California, with major negative impacts on agricultural production and water resource availability, particularly groundwater. This study investigated the performance of applying different…

Machine Learning · Computer Science 2025-02-13 Nan K. Li , Angela Chang , David Sherman

The response time of a biosensor is a crucial metric in safety-critical applications such as medical diagnostics where an earlier diagnosis can markedly improve patient outcomes. However, the speed at which a biosensor reaches a final…

Machine Learning · Computer Science 2024-09-30 Simon J. Ward , Muhamed Baljevic , Sharon M. Weiss

Extreme weather events, intensified by climate change, increasingly challenge aging combined sewer systems, raising the risk of untreated wastewater overflow. Accurate forecasting of sewer overflow basin filling levels can provide…

Machine Learning · Computer Science 2026-04-22 Tianheng Ling , Vipin Singh , Chao Qian , Felix Biessmann , Gregor Schiele

Tailings ponds are places for storing industrial waste. Once the tailings pond collapses, the villages nearby will be destroyed and the harmful chemicals will cause serious environmental pollution. There is an urgent need for a reliable…

Signal Processing · Electrical Eng. & Systems 2022-08-11 Jun Yang , Qing Li , Yixuan Sun

State-of-the-art forecasting methods using Recurrent Neural Net- works (RNN) based on Long-Short Term Memory (LSTM) cells have shown exceptional performance targeting short-horizon forecasts, e.g given a set of predictor features, forecast…

Machine Learning · Computer Science 2018-04-19 Aya Abdelsalam Ismail , Timothy Wood , Héctor Corrada Bravo

Time series anomaly detection is critical for modern digital infrastructures, yet existing methods lack systematic cross-domain evaluation. We present a comprehensive forecasting-based framework unifying classical methods (Holt-Winters,…

Machine Learning · Computer Science 2025-10-14 Mohammad Karami , Mostafa Jalali , Fatemeh Ghassemi

In this paper, we propose a Light Gradient Boosting (LightGBM) to forecast dominant wave periods in oceanic waters. First, we use the data collected from CDIP buoys and apply various data filtering methods. The data filtering methods allow…

Atmospheric and Oceanic Physics · Physics 2021-07-15 Pujan Pokhrel

Climate extremes present escalating risks to agriculture intensifying the need for reliable multi-hazard early warning systems (EWS). The situation is evolving due to climate change and hence such systems should have the intelligent to…

Machine Learning · Computer Science 2025-08-01 Boyuan Zheng , Victor W. Chu

Water quality is foundational to environmental sustainability, ecosystem resilience, and public health. Deep learning offers transformative potential for large-scale water quality prediction and scientific insights generation. However,…

Machine Learning · Computer Science 2025-10-28 Xiaobo Xia , Xiaofeng Liu , Jiale Liu , Kuai Fang , Lu Lu , Samet Oymak , William S. Currie , Tongliang Liu

Early Warning Signals (EWSs) are vital for implementing preventive measures before a disease turns into a pandemic. While new diseases exhibit unique behaviors, they often share fundamental characteristics from a dynamical systems…

Machine Learning · Computer Science 2025-01-15 Reza Miry , Amit K. Chakraborty , Russell Greiner , Mark A. Lewis , Hao Wang , Tianyu Guan , Pouria Ramazi

Forecasting time series with extreme events has been a challenging and prevalent research topic, especially when the time series data are affected by complicated uncertain factors, such as is the case in hydrologic prediction. Diverse…

Machine Learning · Computer Science 2023-12-15 Yanhong Li , Jack Xu , David C. Anastasiu
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