Groundwater Software | VINMOD MW: groundwater pollution evaluation 
VINMOD MW® : A Windows based tool used to evaluate the state of groundwater quality through mathematical inversion of using concentration-time series data that can be recorded during any pumping test operations.
VINMOD Overview:
VINMOD is a mass balance based novel model to quantify groundwater pollution under homogeneous and heterogeneous conditions . Both the mathematical model and the computer program of VINMOD were developed by Dr. Allelign Zeru, improving the geometric based analytical solution used in its predecessor PINwin, both approach used during the EU R&D program of Integrated Concept for Groundwater Remediation (INCORE) project (published references ). VINMOD helps to determine mass flow rate and natural concentration distribution of undisturbed contaminant plume, i.e. pre-pumping concetration distribution. VINMOD requires principal input parameters such as concentration-time series data, groundwater flow velocity field, aquifer thickness, soil porosity, and areas of streamtubes within the well capture zone.
Advantages of VINMOD Approach:
No source investigation
Less expensive operation
Targeted
If groundwater is polluted, source control is an effective solution to stop further spread. But identifying sources can be time consuming and costly operation. VINMOD is typically for the case when we do not have information about the source of contamination. Thus, with VINMOD approach, source investigation and related operation costs can be cut significantly by focusing on the high risk zone to the down-gradient environment, wells for residential use, aquatic environment, etc. Another common problem when groundwater pollution is detected is that we may not know the high risk zone. Therefore, we have to make as many measurements as possible, both spatially and temporatlly, to have a good map of the hotspot zone. But there are constraints: site and financial constraints to make dense measurements. Moreover, due to the dynamic nature of groundwater and solutes in it, maps have to be periodically updated, repeating the same measurement procedures. With VINMOD approach, the relative position of high risk zone can be determined from very few monitoring wells.
Applications of VINMOD Approche:
Groundwater monitoring, management
Protect production wells, aquatic environment
Health / environmental risk studies
Remediation design if found appropriate
Thus, VINMOD is based on an innovative approach that determines the relative position of high risk zone and the total mass flow of the contaminant without searching for sources and corresponding parameters. Based on VINMOD analysis, the user can determine whether any remediation action is needed or not. It is particularly suitable for Monitored Natural Attenuation technique. The main applications of VINMOD are evaluation of the state of groundwater pollution, groundwater monitoring, protection of production wells and aquatic environment, health risk studies, remediation design studies.
Scope of VINMOD Approche:
Confined aquifers
Chlorinated solvents
VINMOD approach is designed to be applied on confined aquifers where production wells for domestic uses are located. It is applied in sites where detected contaminants are mainly chlorinated solvents such as PCE and TCE, dense non-aqueous phase liquid (DNAPLs), which can migrate down to the confined zones through layer cracks and pressure differences. These products can pose minor to chronic health problems, including potential risk for cancer. Therefore, VINMOD approach is to evaluate groundwater zones where high level of protection is needed against such harmfull products. Basic principle of the inversion of pumped concentration using VINMOD is as follows :
Multi-well pumping, ICP position
VINMOD approach: pumping and concentration-time series recording from a potentially polluted site:
Inversion of radial data into a concentration distribution at the transversal section of a contaminant plume, i.e. at the ICP (Imaginary Control Plane). It a process of regaining the undisturbed concentration distribution so that the total pollutant mass flow rate at the ICP can easily be calculated :
Below is a simplified flow chart of VINMOD for applications under homogeneous and heterogenous conditions.
Under heterogeneous conditions, VINMOD may require input data from external flow and particle tracking models such as MODFLOW and MODPATH. Streamtube areas under heterogeneous conditions can be calculated using EDigitizer.
Calculating streamtube areas using EDigitizer:
Who can use VINMOD?
VINMOD can be used by environmental consultants, researchers, educational institutions, etc. VINMOD is particularly important for :
Hydrogeologists
Groundwater specialists
Production well owners
Site regulators
GUI Key Features:
VINMOD has graphical user interface (gui) with various functionalities. Below are some of the key features :
Advanced project file management
Multi-well options
Determine groundwater flow direction
Determine ICP position to calculate contaminants mass flux
Homogeneous/Heterogenous options
Import and/or Edit concentration-time series data for multi-wells at a time
Parameters Editor for multi-well options at a time
Multi-Well Simulator
Graphical display for multiple wells at a time
Various graphical output formats
Export graphs to files and clipboard
Statistical report
Generate output summary report at run-time with various options
Integrated unit converter
Technical Support
System Requirements :
Windows 98/Windows ME/ Windows 2000/ Windows XP/ Windows Server 2003.
How to Get VINMOD :
We provide a package of services for data analysis and reporting using VINMOD. Results and reports will be provided to the client along with a VINMOD software package. For more information, please click here to contact us.
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VINMOD Overview
Advantages of VINMOD
Applications of VINMOD
Scope of VINMOD
Who can use VINMOD ?
Key Features
VINMOD GUI
System Requirements
How to Get VINMOD |
VINMOD Overview:
VINMOD is a mass balance based novel model to quantify groundwater pollution under homogeneous and heterogeneous conditions . Both the mathematical model and the computer program of VINMOD were developed by Dr. Allelign Zeru, improving the geometric based analytical solution used in its predecessor PINwin, both approach used during the EU R&D program of Integrated Concept for Groundwater Remediation (INCORE) project (published references ). VINMOD helps to determine mass flow rate and natural concentration distribution of undisturbed contaminant plume, i.e. pre-pumping concetration distribution. VINMOD requires principal input parameters such as concentration-time series data, groundwater flow velocity field, aquifer thickness, soil porosity, and areas of streamtubes within the well capture zone.
Advantages of VINMOD Approach:
No source investigation
Less expensive operation
TargetedIf groundwater is polluted, source control is an effective solution to stop further spread. But identifying sources can be time consuming and costly operation. VINMOD is typically for the case when we do not have information about the source of contamination. Thus, with VINMOD approach, source investigation and related operation costs can be cut significantly by focusing on the high risk zone to the down-gradient environment, wells for residential use, aquatic environment, etc. Another common problem when groundwater pollution is detected is that we may not know the high risk zone. Therefore, we have to make as many measurements as possible, both spatially and temporatlly, to have a good map of the hotspot zone. But there are constraints: site and financial constraints to make dense measurements. Moreover, due to the dynamic nature of groundwater and solutes in it, maps have to be periodically updated, repeating the same measurement procedures. With VINMOD approach, the relative position of high risk zone can be determined from very few monitoring wells.
Applications of VINMOD Approche:
Groundwater monitoring, management
Protect production wells, aquatic environment
Health / environmental risk studies
Remediation design if found appropriateThus, VINMOD is based on an innovative approach that determines the relative position of high risk zone and the total mass flow of the contaminant without searching for sources and corresponding parameters. Based on VINMOD analysis, the user can determine whether any remediation action is needed or not. It is particularly suitable for Monitored Natural Attenuation technique. The main applications of VINMOD are evaluation of the state of groundwater pollution, groundwater monitoring, protection of production wells and aquatic environment, health risk studies, remediation design studies.
Scope of VINMOD Approche:
Confined aquifers
Chlorinated solventsVINMOD approach is designed to be applied on confined aquifers where production wells for domestic uses are located. It is applied in sites where detected contaminants are mainly chlorinated solvents such as PCE and TCE, dense non-aqueous phase liquid (DNAPLs), which can migrate down to the confined zones through layer cracks and pressure differences. These products can pose minor to chronic health problems, including potential risk for cancer. Therefore, VINMOD approach is to evaluate groundwater zones where high level of protection is needed against such harmfull products. Basic principle of the inversion of pumped concentration using VINMOD is as follows :
Multi-well pumping, ICP position
VINMOD approach: pumping and concentration-time series recording from a potentially polluted site:
Inversion of radial data into a concentration distribution at the transversal section of a contaminant plume, i.e. at the ICP (Imaginary Control Plane). It a process of regaining the undisturbed concentration distribution so that the total pollutant mass flow rate at the ICP can easily be calculated :
Below is a simplified flow chart of VINMOD for applications under homogeneous and heterogenous conditions.
Under heterogeneous conditions, VINMOD may require input data from external flow and particle tracking models such as MODFLOW and MODPATH. Streamtube areas under heterogeneous conditions can be calculated using EDigitizer.
Calculating streamtube areas using EDigitizer:
Who can use VINMOD?
VINMOD can be used by environmental consultants, researchers, educational institutions, etc. VINMOD is particularly important for :
Hydrogeologists
Groundwater specialists
Production well owners
Site regulatorsGUI Key Features:
VINMOD has graphical user interface (gui) with various functionalities. Below are some of the key features :
Advanced project file management
Multi-well options
Determine groundwater flow direction
Determine ICP position to calculate contaminants mass flux
Homogeneous/Heterogenous options
Import and/or Edit concentration-time series data for multi-wells at a time
Parameters Editor for multi-well options at a time
Multi-Well Simulator
Graphical display for multiple wells at a time
Various graphical output formats
Export graphs to files and clipboard
Statistical report
Generate output summary report at run-time with various options
Integrated unit converter
Technical SupportSystem Requirements :
Windows 98/Windows ME/ Windows 2000/ Windows XP/ Windows Server 2003.
How to Get VINMOD :
We provide a package of services for data analysis and reporting using VINMOD. Results and reports will be provided to the client along with a VINMOD software package. For more information, please click here to contact us.