Dynamic groundwater monitoring networks: a manageable method for reviewing sampling frequency

2012 ◽  
Vol 14 (12) ◽  
pp. 3129 ◽  
Author(s):  
Magali F. Moreau-Fournier ◽  
Christopher J. Daughney
Keyword(s):  
Groundwater Monitoring ◽  
Sampling Frequency ◽  
Monitoring Networks ◽  
Manageable Method

Geostatistical screening of flood events in the groundwater levels of the diverted inner delta of the Danube River: implications for river bed clogging

2018 ◽  
Vol 10 (1) ◽  
pp. 64-78 ◽  
Author(s):  
Balázs Trásy ◽  
Tamás Garamhegyi ◽  
Péter Laczkó-Dobos ◽  
József Kovács ◽  
István Gábor Hatvani
Keyword(s):  
Spatial Autocorrelation ◽  
Groundwater Monitoring ◽  
Shallow Groundwater ◽  
Monitoring Network ◽  
Danube River ◽  
Monitoring Networks ◽  
Flood Events ◽  
Raw Data ◽  
Monitoring Wells ◽  
Autocorrelation Structure

Abstract The efficient operation of shallow groundwater (SGW) monitoring networks is crucial to water supply, in-land water protection, agriculture and nature conservation. In the present study, the spatial representativity of such a monitoring network in an area that has been thoroughly impacted by anthropogenic activity (river diversion/damming) is assessed, namely the Szigetköz adjacent to the River Danube. The main aims were to assess the spatial representativity of the SGW monitoring network in different discharge scenarios, and investigate the directional characteristics of this representativity, i.e. establish whether geostatistical anisotropy is present, and investigate how this changes with flooding. After the subtraction of a spatial trend from the time series of 85 shallow groundwater monitoring wells tracking flood events from 2006, 2009 and 2013, variography was conducted on the residuals, and the degree of anisotropy was assessed to explore the spatial autocorrelation structure of the network. Since the raw data proved to be insufficient, an interpolated grid was derived, and the final results were scaled to be representative of the original raw data. It was found that during floods the main direction of the spatial variance of the shallow groundwater monitoring wells alters, from perpendicular to the river to parallel with it for over a period of about two week. However, witht the passing of the flood, this returns to its original orientation in ~2 months. It is likely that this process is related first to the fast removal of clogged riverbed strata by the flood, then to their slower replacement. In addition, the study highlights the importance of assessing the direction of the spatial autocorrelation structure of shallow groundwater monitoring networks, especially if the aim is to derive interpolated maps for the further investigation or modeling of flow.

Design of groundwater monitoring networks for landfills

1995 ◽  
pp. 190-196 ◽  
Author(s):  
P. D. Meyer ◽  
J. W. Eheart ◽  
S. Ranjithan ◽  
A. J. Valocchi
Keyword(s):  
Groundwater Monitoring ◽  
Monitoring Networks

Reliability assessment of groundwater monitoring networks at landfill sites

2005 ◽  
Vol 308 (1-4) ◽  
pp. 1-17 ◽  
Author(s):  
N. Buket Yenigül ◽  
Amro M.M. Elfeki ◽  
Johannes C. Gehrels ◽  
Cees van den Akker ◽  
André T. Hensbergen ◽  
...  
Keyword(s):  
Groundwater Monitoring ◽  
Reliability Assessment ◽  
Monitoring Networks ◽  
Landfill Sites

Reducing the Sampling Frequency of Groundwater Monitoring Wells

1996 ◽  
Vol 30 (1) ◽  
pp. 355-358 ◽  
Author(s):  
Virginia M. Johnson ◽  
R. Cary Tuckfield ◽  
Maureen N. Ridley ◽  
Rachel A. Anderson
Keyword(s):  
Groundwater Monitoring ◽  
Sampling Frequency ◽  
Monitoring Wells

Optimization of Water Quality Monitoring Networks

1984 ◽  
Vol 16 (5-7) ◽  
pp. 275-287 ◽  
Author(s):  
S Groot ◽  
T Schilperoort
Keyword(s):  
Water Quality ◽  
Essential Element ◽  
Monitoring Network ◽  
Optimization Procedure ◽  
Water Quality Monitoring ◽  
Sampling Frequency ◽  
Quality Monitoring ◽  
Optimization Approach ◽  
Monitoring Networks ◽  
Water Quality Monitoring Network

At the moment the water quality monitoring network in the main surface waters in The Netherlands includes almost 400 sampling locations with a sampling interval of 1 to 4 weeks. The number of water quality variables analysed varies per location from 15 up to 100. Recent developments, such as limiting financial and laboratory capacities and changing objectives of the routine water quality investigations, necessitate an optimization of this monitoring network. Being an essential element in the optimization procedure, a relationship has to be found between the cost of obtaining information from the network and the effectiveness of the information, the latter being strongly dependent on the objective(s) of the network. In this paper a general optimization approach is presented. Also a method is proposed, worked out and applied, that relates the effectiveness of the information to the sampling frequency of the water quality monitoring network. This method can be used for the optimization of the sampling frequency for the main objectives of the routine water quality research i.e. the detection of trends in water quality constituents.

Optimal Design of Multitype Groundwater Monitoring Networks Using Easily Accessible Tools

Ground Water ◽  
2016 ◽  
Vol 54 (6) ◽  
pp. 861-870 ◽  
Author(s):  
Thomas Wöhling ◽  
Andreas Geiges ◽  
Wolfgang Nowak
Keyword(s):  
Optimal Design ◽  
Groundwater Monitoring ◽  
Monitoring Networks
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