NDLI: Identification of potential sites for aquifer storage and recovery (ASR) in coastal areas using ASR performance estimation methods

Content Provider	Springer Nature Link
Author	Zuurbier, Koen G. Bakker, Mark Zaadordijk, Willem Jan Stuyfzand, Pieter J.
Copyright Year	2013
Abstract	Performance of freshwater aquifer storage and recovery (ASR) systems in brackish or saline aquifers is negatively affected by lateral flow, density effects, and/or dispersive mixing, causing ambient groundwater to enter ASR wells during recovery. Two recently published ASR performance estimation methods are applied in a Dutch coastal area, characterized by brackish-to-saline groundwater and locally high lateral-flow velocities. ASR performance of existing systems in the study area show good agreement with the predicted performance using the two methods, provided that local vertical anisotropy ratios are limited (<3). Deviations between actual and predicted ASR performance may originate from simplifications in the conceptual model and uncertainties in the hydrogeological and hydrochemical input. As the estimation methods prove suitable to predict ASR performance, feasibility maps are generated for different scales of ASR to identify favorable ASR sites. Successful small-to-medium-scale ASR varies spatially in the study area, emphasizing the relevance of reliable a priori spatial mapping.La performance des dispositifs de stockage souterrain et récupération (ASR) d’eau douce dans les aquifères salés ou saumâtres est pénalisée par l’écoulement latéral, les effets de densité et/ou le mélange dispersif, ce qui cause l’intrusion d’eau connée dans les puits d’ASR pendant la récupération. Deux méthodes d’estimation de la performance de l’ASR récemment publiées sont appliquées à une zone côtière de Hollande caractérisée par des eaux souterraines saumâtres à salées et localement des vitesses d’écoulement latérales élevées. La performance ASR de dispositifs existants dans la zone d’étude montre un bon accord avec la performance prévue avec les deux méthodes, tant que les rapports d’anisotropie verticale locale sont limités (<3). Les écarts entre la performance ASR prévue et observée pourraient avoir pour origine des simplifications du modèle conceptuel et des incertitudes dans les paramètres d’entrée hydrogéologiques et hydrochimiques. Comme les méthodes d’estimation sont adaptées à la prévision de la performance de l’ASR, des cartes de faisabilité sont établies pour des dispositifs d’ASR de différents volumes afin d’identifier des sites ASR favorables. Les dispositifs d’ASR de petit à moyen volume efficaces varient dans le domaine de la zone d’étude, ce qui souligne la pertinence d’une cartographie spatiale préalable fiable.El rendimiento de los sistemas de recuperación y almacenamiento (ASR) de acuíferos de agua dulce en acuíferos salobres o salino es negativamente afectado por el flujo lateral, los efectos de densidad y / o mezcla dispersiva, lo cual causa que el agua subterránea ambiente entre a pozos ASR durante la recuperación. Se aplican dos métodos de estimación de rendimiento ASR recientemente publicados a un área costera holandesa., caracterizada por agua subterránea salobre a salina y altas velocidades locales de flujo lateral. Los rendimientos ASR de sistemas existentes en el área de estudio muestran un buen acuerdo con el rendimiento predicho usando los dos métodos, siempre y cuando que las tasas anisotropía vertical local sean limitadas (<3). Las desviaciones entre los rendimientos reales y los predichos por ASR pueden originarse a partir simplificaciones en el modelo conceptual e incertidumbres en las entradas hidrogeológicas e hidroquímicas. Como los métodos de estimación muestran apropiados rendimientos predichos por ASR, se generan mapas de factibilidad para distintas escalas de ASR para identificar sitios ASR favorables. Los ASR exitosos de media a pequeña escala varían espacialmente en el área de estudio, enfatizando la relevancia de un mapeo espacial confiable a priori.淡水含水层的存储和恢复(ASR)系统在微咸水或咸水含水层中受到侧向流、密度的影响和/或分散混合的负面影响,在恢复中造成周围地下水进入ASR井。在荷兰沿海地区,最近发表的两篇有关ASR性能估算法应用于微咸到咸水地下水和局部高侧向流动速度的地区。在研究区内,现有系统的ASR性能显示与预测的性能一致,在当地垂直各向异性率不超过 < 3的条件下。实际的与预测的性能之间的偏差可能源自简化概念模型以及在水文地质、水化学输入的不确定因素。随着评估法可以预测ASR性能,不同比例尺的ASR可行性地图可帮助识别好的ASR场地。在研究区内,成功的小型 -中型的ASR场地空间的变化,强调可靠的先天的特殊标测的相关性。O desempenho de sistemas de armazenamento e recuperação de água doce em aquíferos (ASR) salobros ou salinos é afetado negativamente por fluxo lateral, efeitos de densidade e/ou mistura dispersiva, causando a entrada de água subterrânea ambiente nos poços ASR durante a extração. Dois métodos de estimação de desempenho do ASR recentemente publicados foram aplicados numa área costeira holandesa, caraterizada por água subterrânea salobra a salina e, localmente, por velocidades elevadas de fluxo lateral. O desempenho do ASR dos sistemas existentes na área de estudo mostram uma boa correlação com o desempenho previsto quando se usam os dois métodos, desde que os índices de anisotropia vertical sejam limitados (<3). Os desvios entre os desempenhos de ASR reais e os previstos podem ter origem nas simplificações do modelo concetual e nas incertezas dos dados hidrogeológicos e hidrogeoquímicos iniciais. Como os métodos de estimação provam ser adequados para prever o desempenho do ASR, mapas de viabilidade são gerados para diferentes escalas de ASR, a fim de identificar locais favoráveis ao ASR. O sucesso a pequena a média escala varia espacialmente na área de estudo, enfatizando a importância de um mapeamento espacial confiável feito a priori.
Starting Page	1373
Ending Page	1383
Page Count	11
File Format	PDF
ISSN	14312174
Journal	Hydrogeology Journal
Volume Number	21
Issue Number	6
e-ISSN	14350157
Language	Portuguese
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-06-19
Publisher Institution	International Association of Hydrogeologists
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aquifer storage and recovery Recovery efficiency Coastal aquifers Freshwater management The Netherlands Hydrogeology Hydrology/Water Resources Geology 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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