NDLI: Review: Simulation-optimization models for the management and monitoring of coastal aquifers

Content Provider	Springer Nature Link
Author	Datta, Bithin
Copyright Year	2015
Abstract	The literature on the application of simulation-optimization approaches for management and monitoring of coastal aquifers is reviewed. Both sharp- and dispersive-interface modeling approaches have been applied in conjunction with optimization algorithms in the past to develop management solutions for saltwater intrusion. Simulation-optimization models based on sharp-interface approximation are often based on the Ghyben-Herzberg relationship and provide an efficient framework for preliminary designs of saltwater-intrusion management schemes. Models based on dispersive-interface numerical models have wider applicability but are challenged by the computational burden involved when applied in the simulation-optimization framework. The use of surrogate models to substitute the physically based model during optimization has been found to be successful in many cases. Scalability is still a challenge for the surrogate modeling approach as the computational advantage accrued is traded-off with the training time required for the surrogate models as the problem size increases. Few studies have attempted to solve stochastic coastal-aquifer management problems considering model prediction uncertainty. Approaches that have been reported in the wider groundwater management literature need to be extended and adapted to address the challenges posed by the stochastic coastal-aquifer management problem. Similarly, while abundant literature is available on simulation-optimization methods for the optimal design of groundwater monitoring networks, applications targeting coastal aquifer systems are rare. Methods to optimize compliance monitoring strategies for coastal aquifers need to be developed considering the importance of monitoring feedback information in improving the management strategies.La littérature sur l’application des approches de simulation et d’optimisation pour la gestion et le suivi des aquifères côtiers est passée en revue. Les approches de modélisation de l’interface aussi bien nette que dispersive sont appliquées conjointement aux algorithmes d’optimisation dans le passé pour développer des solutions de gestion pour les intrusions d’eau salée. Les modèles de simulation et d’optimisation basés sur une approximation de l’existence d’une interface nette sont souvent basés sur la relation de Ghyben-Herzberg et fournissent un cadre efficace pour définir de manière préliminaire des schémas de gestion de l’intrusion saline. Les approches reposant sur des modèles numériques prenant en considération une interface dispersive ont des applications plus variées mais sont mis au défi par la charge de calcul induite lorsqu’elles sont appliquées dans un cadre de simulation et d’optimisation. L’utilisation de modèles de substitution pour remplacer le modèle physique lors de l’optimisation obtient des succès dans de nombreux cas. La question du changement d’échelle est toujours un défi pour l’approche de modélisation de substitution du fait que l’avantage du calcul numérique est associé au temps de formation nécessaire pour les modèles de substitution, croissant avec la taille du problème. Peu d’études ont tenté de résoudre les problèmes de gestion des aquifères côtiers de manière stochastique en considérant la prévision de l’incertitude. Les approches qui sont rapportées dans la littérature relative à la gestion des eaux souterraines doivent être étendues et adaptées pour répondre au défis posés par le problème de gestion des aquifères côtiers par approche stochastique. De manière similaire, alors qu’une littérature abondante est disponible concernant les méthodes de simulation et d’optimisation pour la conception optimale de réseaux de suivi des eaux souterraines, des applications ciblant les aquifères côtiers sont rares. Les méthodes pour optimiser la mise en œuvre des stratégies de suivi des aquifères côtiers nécessitent d’être développées considérant l’importance des données issues des suivis pour améliorer les stratégies de gestion.Se realiza una revisión de la bibliografía sobre la aplicación de los enfoques de simulación y optimización para la gestión y seguimiento de los acuíferos costeros. En el pasado se aplicaron ambos enfoques de modelación para la definición y dispersión de la interfaz en conjunto con algoritmos de optimización para el desarrollo de soluciones de gestión en la intrusión de agua salada. Los modelos de simulación y de optimización a menudo están basados en la relación de Ghyben-Herzberg y proporcionan un marco eficiente para diseños preliminares de los planes de gestión de la intrusión de agua salada. Los modelos basados en modelos numéricos de interfaz dispersiva tienen una aplicabilidad más amplia, pero presentan un desafío por la carga computacional involucrada cuando se aplica en el marco de simulación y de optimización. Se encontró que el uso de modelos sustitutos para reemplazar el modelo de base física durante la optimización puede ser eficaz en muchos casos. La escalabilidad es todavía un desafío para el enfoque de la modelación sustituta como una ventaja computacional acumulada que se compensa con el tiempo de entrenamiento requerido para los modelos sustitutos al aumentar el tamaño del problema. Pocos estudios han intentado resolver los problemas de gestión costera de acuíferos considerando modelos estocásticos de predicción de la incertidumbre. Los enfoques que se han reportado en la literatura de gestión de las aguas subterráneas en general deben ampliarse y adaptarse para hacer frente a los retos que plantea el problema estocástico de la gestión costera de acuíferos. Del mismo modo, mientras está disponible una abundante literatura sobre los métodos de simulación y de optimización para el diseño óptimo de redes de monitoreo de las aguas subterráneas, las aplicaciones destinadas a los sistemas acuíferos costeros son poco frecuentes. Los métodos para optimizar las estrategias de control del cumplimiento en los acuíferos costeros deben desarrollarse teniendo en cuenta la importancia de monitorear la información de retorno para mejorar de las estrategias de gestión.本文论述了沿海含水层管理和监测模拟-最优化方法应用方面的文献。过去应用锋利界面和分散界面模拟方法,结合最优化算法开发了海水入侵的管理解决方案。基于锋利界面近似法的模拟-最优化模型通常以Ghyben-Herzberg的相互关系为基础,为海水入侵管理方案的初步设计提供了有效率的框架。基于分散-界面数值模型的模型具有更广的适用性,但在应用在模拟-最优化框架中受到了有关计算负担的挑战。发现在最优化期间使用代用模型替代物理模型在很多情况下很成功。随着计算题规模大小的增加,应计的计算优势与代用模型所需的培训时间交换,可扩展性对于代用模拟方法仍然是一个挑战。考虑到模型预测的不确定性,极少的研究试图解决随机的沿海含水层管理问题。众多地下水管理文献中记载的方法需要扩充和完善,以注重随机的沿海含水层管理问题提出的挑战。同样,假如地下水监测网络最优设计模拟-最优化模型方面有丰富的文献,针对沿海含水层系统的应用就很少。考虑到改善管理战略中监测反馈信息的重要性,需要开发最优化沿海含水层适合的监测战略的方法。A literatura sobre a aplicação de abordagens de otimização-simulação para o gerenciamento e o monitoramento de aquíferos costeiros é revisada. No passado, ambas abordagens de modelagem, de interface abrupta e dispersiva, foram adotadas em conjunto com algoritmos de otimização para desenvolver soluções de gerenciamento para a intrusão de água salina. Os modelos de otimização-simulação baseados na aproximação de interface abrupta são frequentemente baseados na relação Ghyben-Herzberg e fornecem uma estrutura eficiente para designs preliminares de esquemas de gerenciamento da intrusão de água salina. Modelos baseados em modelos numéricos de interface dispersiva possuem aplicabilidade mais ampla, porém são colocados a prova pela carga computacional envolvida quando aplicados na estrutura de otimização-simulação. A utilização de modelos substitutos para substituir o modelo fisicamente embasado durante a otimização obteve sucesso em muitos casos. A expansividade se mantem um desafio para a abordagem de modelagem substituta, assim como a vantagem computacional ampliada é escolhida de acordo com o tempo de treinamento requisitado para os modelos substitutos e com o aumento do tamanho do problema. Alguns estudos tentaram resolver problemas estocásticos de gerenciamento de aquíferos costeiros considerando a incerteza predita pelo modelo. Abordagens que têm sido amplamente relatadas na literatura sobre o gerenciamento de água subterrânea precisam ser expandidas e adaptadas para dirigirem-se aos desafios colocados pelo problema de gerenciamento estocástico de aquíferos costeiros. Similarmente, enquanto está disponível uma literatura abundante em métodos de otimização-simulação para o design ótimo de redes de monitoramento de água subterrânea, aplicações mirando aquíferos costeiros são raras. Métodos que otimizem estratégias de monitoramento de conformidades para aquíferos costeiros precisam ser desenvolvidos considerando a importância do retorno das informações do monitoramento na melhoria de estratégias de gerenciamento.
Starting Page	1155
Ending Page	1166
Page Count	12
File Format	PDF
ISSN	14312174
Journal	Hydrogeology Journal
Volume Number	23
Issue Number	6
e-ISSN	14350157
Language	Portuguese
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-06-26
Publisher Institution	International Association of Hydrogeologists
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Groundwater management Groundwater monitoring Optimization Numerical modelling Salt-water/fresh-water relations Hydrogeology Hydrology/Water Resources Geology Water Quality/Water Pollution Geophysics/Geodesy Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Water Science and Technology

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