Assessing natural background levels of geogenic contaminants in groundwater of an urbanized delta through removal of groundwaters impacted by anthropogenic …

G Huang, J Song, D Han, R Liu, C Liu, Q Hou - Science of The Total …, 2023 - Elsevier
Abstract Knowledge on driving forces controlling natural background levels (NBLs) of
geogenic contaminants (GCs) in groundwater of coastal urbanized areas are still limited …

Estimating natural background concentrations for dissolved constituents in groundwater: A methodological review and case studies for geogenic fluoride

R Bondu, P Humez, B Mayer, E Chaste… - Journal of Geochemical …, 2022 - Elsevier
Abstract Knowledge of the natural background concentrations of groundwater constituents is
important for the management of groundwater resources, particularly for the assessment of …

Groundwater age for identification of baseline groundwater quality and impacts of land-use intensification–The National Groundwater Monitoring Programme of New …

U Morgenstern, CJ Daughney - Journal of Hydrology, 2012 - Elsevier
We identified natural baseline groundwater quality and impacts caused by land use
intensification by relating groundwater chemistry with water age. Tritium, the most direct …

Evaluating natural background levels of heavy metals in shallow groundwater of the Pearl River Delta via removal of contaminated groundwaters: Comparison of three …

P Bi, R Liu, G Huang, D Li - Environmental Pollution, 2023 - Elsevier
Assessing natural background levels (NBLs) in groundwater is a global concern. Knowledge
on groundwater NBLs in urbanized areas is challenging due to the impact of complex …

Natural background levels in groundwater in the Pearl River Delta after the rapid expansion of urbanization: A new pre-selection method

G Huang, L Pei, L Li, C Liu - Science of the Total Environment, 2022 - Elsevier
Establishment of natural background levels (NBL) of groundwater in urbanized areas such
as the Pearl River Delta (PRD) is challenging. Pre-selection methods are the most common …

Geochemical factors controlling natural background levels of phosphate in various groundwater units in a large-scale urbanized area

P Bi, G Huang, C Liu, L Li - Journal of Hydrology, 2022 - Elsevier
Assessing natural background levels (NBLs) of groundwater chemical components is useful
to the identification of geochemical factors controlling the origin of high levels of chemical …

Assessment of NO3-As, and F-Background Levels in Groundwater Bodies: A Methodological Review and Case Study Utilizing Sequential Gaussian simulation (SGS)

G Busico, B Mojgan, R Francesco, S Antonio… - Groundwater for …, 2024 - Elsevier
The aim of this study is to systematically review prior research on methodologies employed
for assessing the NBLs in groundwater. These methods include statistical and probability …

Identification of the natural background levels in the Phlaegrean fields groundwater body (Southern Italy)

M Sellerino, G Forte, D Ducci - Journal of Geochemical Exploration, 2019 - Elsevier
The paper deals with the identification of Natural Background Levels (NBLs) in a
groundwater body located in a volcanic area. NBLs were assessed through spatial analysis …

A multi-method approach for the assessment of natural background levels in groundwater

D Parrone, S Ghergo, E Preziosi - Science of the Total Environment, 2019 - Elsevier
The assessment of geochemical Natural Background Levels (NBLs) in groundwater, aims at
distinguishing the naturally high levels of geogenic compounds from anthropogenic …

Natural background levels and threshold values of chemical species in three large-scale groundwater bodies in Northern Italy

A Molinari, L Guadagnini, M Marcaccio… - Science of the Total …, 2012 - Elsevier
We analyze natural background levels (NBLs) and threshold values (TVs) of spatially
distributed chemical species (NH4, B and As) which may be a potential pressure and …