GwQuality – Barium

Nature of natural, ubiquitously overembossed groundwaters. Achieving a good quality status of groundwater is one of the objectives of the EU Water Framework Directive (EU-WRRL). In this context, among other things, in 2005 the State Geological Services of Germany (SGD) commissioned the background values of groundwater (PK HGW) with the determination and statistical interpretation of background values in groundwater. As a result, a comprehensive overview of the aquifer-related background contents in the groundwaters of Germany was prepared for hydrochemically similar units (HGC). The results and method documentation are provided on the website of the Federal Institute for Geosciences and Raw Materials (BGR) (https://www.bgr.bund.de/DE/Themen/Wasser/Projekte/abgeschlossen/Beratung/Hintergrundwerte/hgw_projektbeschr.html?nn=1548666). Some geological services carried out descriptions of the natural groundwater properties in the sense of geogenous background values. The country-specific processing allowed a detailed examination by a greater differentiation of the hydrogeochemical units. The nature of natural, ubiquitously overprinted groundwater in Rhineland-Palatinate was examined on the map of HÜK200 and the results report published in 2012 (https://www.lgb-rlp.de/fachthemendesamtes/projekte/projektliste/beschaffenheit-natuerlicher-ubiquitaer-ueberpraegter-grundwaesser.html). The online map on the nature of natural, ubiquitously overprinted groundwater shows the substance-specific concentrations for the hydrochemical units differentiated in Rhineland-Palatinate. For each hydrochemical unit, the median value (50 % percentile) of the corresponding parameter is given. The given median values represent orientation variables in the assessment of the natural, ubiquitously overprinted groundwater quality and do not replace site-related on-site investigations. Terms of use see: https://www.lgb-rlp.de/karten-und-produkte/online-karten/nutzungsbedingungen-fuer-online-karten.html:Darstellung of Barium Terms of Use see: https://www.lgb-rlp.de/karten-und-produkte/online-karten/nutzungsbedingungen-fuer-online-karten.html天然普遍叠加改造的地下水特征。实现地下水质量达标是欧盟水框架指令（EU Water Framework Directive, EU-WRRL）的核心目标之一。在此背景下，德国国家地质调查局（State Geological Services of Germany, SGD）于2005年委托开展地下水背景值（background values of groundwater, PK HGW）相关研究，对地下水背景值进行测定与统计解析。据此，研究人员针对水文化学相似单元（hydrochemically similar units, HGC），系统梳理了德国含水层相关的地下水背景含量全貌。相关成果与方法文档已发布于德国地球科学与自然资源联邦研究所（Federal Institute for Geosciences and Raw Materials, BGR）官网：https://www.bgr.bund.de/DE/Themen/Wasser/Projekte/abgeschlossen/Beratung/Hintergrundwerte/hgw_projektbeschr.html?nn=1548666。部分地方地质调查机构已针对成因背景值层面，开展了天然地下水属性描述工作。通过国别化处理，可对水文地球化学单元（hydrogeochemical units）进行更细致的划分，从而实现精细化研究。本次针对莱茵兰-普法尔茨州境内天然普遍叠加改造的地下水特征，依托HÜK200地图开展了相关研究，相关成果报告已于2012年发布（https://www.lgb-rlp.de/fachthemendesamtes/projekte/projektliste/beschaffenheit-natuerlicher-ubiquitaer-ueberpraegter-grundwaesser.html）。该天然普遍叠加改造地下水特征在线地图，展示了莱茵兰-普法尔茨州划分的水文化学单元对应的物质浓度数据。针对每个水文化学单元，均给出了对应参数的中位值（median value，50%分位数）。此处给出的中位值仅为天然普遍叠加改造地下水质量评估的参考变量，无法替代针对特定场地的现场调查工作。使用条款详见：https://www.lgb-rlp.de/karten-und-produkte/online-karten/nutzungsbedingungen-fuer-online-karten.html：钡元素展示的使用条款详见：https://www.lgb-rlp.de/karten-und-produkte/online-karten/nutzungsbedingungen-fuer-online-karten.html