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| Content Provider | Springer Nature Link |
|---|---|
| Author | Mendizabal, Igor Stuyfzand, Pieter J. Wiersma, Ane P. |
| Copyright Year | 2010 |
| Abstract | Hydrochemical system analysis (HCSA) is used to better understand the individual state of and spatial patterns in groundwater quality, by addressing the spatial distribution of groundwater bodies with specific origins (hydrosomes) and characteristic hydrochemical zones within each hydrosome (facies). The origin is determined by environmental tracers or geomorphological and potentiometric maps, the facies by combining age, redox and alkalinity indices. The HCSA method is applied to all 206 active public supply well fields (PSWFs) in The Netherlands, resulting in the distinction of nine hydrosomes and eleven facies parameters—age (young, intermediate, old), redox ((sub)oxic, anoxic, deep anoxic, mixed) and alkalinity (very low, low, intermediate and high). The resulting classification of PSWFs provides a means to (1) predict their vulnerability; (2) optimize groundwater-quality monitoring programs; and (3) better delineate groundwater bodies, by considering groundwater origin and flow. The HCSA translates complex hydrochemical patterns into easily interpretable maps by showing PSWFs, groundwater bodies and hydrochemical facies. Such maps facilitate communication between researchers, water resources managers and policy makers and can help to solve complex groundwater resources management problems at different scales, ranging from a single well(field) or region to the national or European scale.Un système de classification hydrochimique (HCSA) est utilisé pour mieux caractériser la qualité des nappes d’eau souterraine, en considérant leur distribution spatiale et l’origine de l’eau (hydrosomes) ainsi que les caractéristiques hydrochimiques de chaque hydrosome (faciès). L’origine est établie avec des traceurs naturels ou des cartes géomorphologiques et piézométriques, le faciès combine âge, indices redox et alcalinité. La méthode HCSA, appliquée à chacun des 206 champs captants A.E.P. (PSWFs) des Pays Bas, distingue neuf hydrosomes et onze paramètres de faciès—âge (récent, moyen, ancien), redox (sous-oxygénée, anoxique, très anoxique, mixte) et alcalinité (très faible, faible, moyenne et forte). La classification résultante des PSWFs fournit un moyen (1) de prévoir leur vulnérabilité; (2) d’optimiser les programmes de contrôle de qualité de nappe; et (3) de mieux délimiter les aquifères, en considérant flux et origine de l’eau. La méthode HCSA traduit des caractéristiques hydrochimiques complexes en cartes facilement interprétables, montrant champs captants A.E.P., nappes et faciès hydrochimiques. De telles cartes facilitent la communication entre chercheurs, gestionnaires de la ressource en eau souterraine et législateur, elles peuvent aider à résoudre des problèmes complexes de gestion à différentes échelles, captage isolé (champ captant) ou région, échelles nationale ou européenne.El análisis de sistemas hidroquímicos (HCSA) es usado para entender mejor el estado individual y los aspectos espaciales de la calidad del agua subterránea, evaluando la distribución espacial de cuerpos de aguas subterráneas con orígenes específicos (hidrosomas) y zonas hidroquímicas características dentro de cada hidrosoma (facies). El origen está determinado por trazadores ambientales o mapas geomorfológicos y potenciométricos, las facies combinando la edad, índices redox y de alcalinidad. El método HCSA se aplicó a todos los 206 campos de pozos activos de abastecimiento público (PSWFs) en Holanda, lo resulta en la determinación de 9 hidrosomas y parámetros de 11 facies de edad (joven, intermedia, vieja), redox ((sub)oxico, anóxico, profundamente anóxico, mixto) y alcalinidad (muy baja, baja, intermedia y alta). La clasificación resultante de PSWFs proporciona un medio para (1) predecir su vulnerabilidad; (2) optimizar los programas de monitoreo de calidad de agua subterránea; y (3) delinear mejora los cuerpos de agua subterránea, considerando el origen y el flujo de agua subterránea. El HCSA traduce aspectos hidroquímicos complejos en mapas fácilmente interpretables mostrando los PSWFs, los cuerpos de agua subterránea y las facies hidroquímicas. Tales mapas facilitan la comunicación entre investigadores, gerentes de recursos hídricos, planificadores y puede ayudar a resolver problemas complejos de gestión de aguas subterráneas en diferentes escalas, desde un simple pozo (campo) hasta la escala nacional o europea.应用水化学系统分析(HCSA)通过确定具体起源的地下水体 (水源集合体)以及每一个水源集合体中水化学特征区 (相)的空间分布位置, 从而更好地了解水质的特征和空间分布。水源是根据环境示踪剂或地势和电势图确定的, 水化学相是应用年龄、氧化还原和碱度指数联合确定的。在荷兰全部206个使用中的公共供水井场( PSWFs)应用HCSA方法进行分析, 划分出了9种水源集合体和十一种相参数-年龄 (年轻、中等、老) 、氧化还原 (含氧、缺氧、极缺氧、混合) 和碱度 (极低、低、中等和高) 。形成的PSWFs的分类提供了一个途径, 可用来 (1) 预测它们的脆弱性 ; (2) 最优化地下水水质监测方案 ; 和 (3) 通过考虑地下水成因和流动更好地划定地下水体。HCSA表示出了PSWFs、地下水体和水化学相, 将复杂的水化学模式转换了为易解释的图件。这样的图件便于研究员、水资源管理者和决策者之间的交流, 能够帮助解决不同范围上, 从单井 (场) 或地区到国家或欧洲尺度上的复杂的地下水资源管理问题。A análise dos sistemas hidroquímicos (ASHQ) é usada para entender melhor o estado individual e os padrões espaciais de qualidade da água, correlacionando a distribuição espacial das massas de água subterrânea com as origens específicas (hidrossomas) e as zonas hidroquímicas características dentro de cada hidrossoma (fácies). A origem é determinada através de traçadores ambientais ou por mapas geomorfológicos e potenciométricos, e a fácies por uma combinação da idade e dos índices redox e alcalinidade. O método ASHQ é aplicado a todos os 206 campos de captação de água para abastecimento público activas (CCAAPs) na Holanda, resultando na distinção de nove hidrossomas e onze parâmetros de fácies—idade (jovens, intermédias, antigas), redox ((sub)óxicas, anóxicas, muito anóxicas, mistas) e alcalinidade (muito baixa, baixa, intermédia e alta). A classificação resultante para os CCAAPs providenciam os meios para (1) predizer a sua vulnerabilidade; (2) optimizar a qualidade dos programas de monitorização de água subterrânea; e (3) delinear melhor as massas de água subterrânea, ao considerar a origem e o fluxo das águas subterrâneas. A ASHQ traduz padrões hidroquímicos complexos em mapas facilmente interpretados, mostrando os CCAAPs, as massas de água subterrânea e as fácies hidroquímicas. Estes mapas facilitam a comunicação entre cientistas, gestores de águas subterrâneas e legisladores, e pode ajudar a resolver problemas complexos de gestão de recursos hídricos subterrâneos a diferentes escalas, desde uma única captação (ou campo de captações), a escalas regionais, nacionais ou europeias. |
| Starting Page | 83 |
| Ending Page | 100 |
| Page Count | 18 |
| File Format | |
| ISSN | 14312174 |
| Journal | Hydrogeology Journal |
| Volume Number | 19 |
| Issue Number | 1 |
| e-ISSN | 14350157 |
| Language | Portuguese |
| Publisher | Springer-Verlag |
| Publisher Date | 2010-06-23 |
| Publisher Institution | International Association of Hydrogeologists |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Groundwater monitoring Groundwater protection Tracing Water management strategies The Netherlands Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Geology Hydrogeology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Earth and Planetary Sciences Water Science and Technology |
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