MAMPEC is an integrated 2D hydrodynamical and chemical fate model, based on the Delft3D-WAQ and Silthar model. The exposure assessment model is recognized and used by regulatory authorities and applicants in EU, USA and other OECD countries for antifouling substances, and by the IMO for ballast water discharges.
The model is being developed and maintained by Deltares and the Institute for Environmental Studies with continuing support of the European Paintmakers Association (CEPE).
New antifouling agents have replaced TBT-based products on large seagoing vessels since the final ratification and entry-in-force (2008) of the IMO treaty on new antifoulants of 2001. For the exposure assessment in marine environments there is a need for reliable chemical fate models. Existing models lacked a realistic treatment of the complex transport and exchange processes in coastal environments.
In 2010 a special version for ballast water (MAMPEC-BW) was developed for the International Maritime Organization (IMO) and Joint Group of Experts on the Scientific Aspects of Marine Environmental Protection (GESAMP) for the exposure assessment of chemicals in ballast water.
- Integrated 2D hydrodynamical and chemical fate model based on DELWAQ and SILTAR of Deltares
- Esimation of hydrodynamical exchange in six generalised ‘typical’ environments (open sea, shipping lane, estuary, commercial harbor, yachting marina, open harbour)
- Compound properties/processes included in model: Kow, Kd, Koc, H, volatilization, speciation, hydrolysis, photolysis, bio-degradation. Chemical fate approach in line with EU-TGD
- Emission estimation based on leaching rates, ship hull underwater surface areas, shipping intensities, residence times
- Environmental / hydrodynamical parameters: currents, tides, salinity, density differences, DOC, POC, Chlorophyll, pH, T, SPM, sedimentation, latitude, port dimensions, submerged dams
- Default settings for generic environments, emission scenarios, and compounds
- Inclusion of standard EU (PT-21) and OECD emission scenarios for service-life and non-service life emissions
- Model allows easy comparison of PECs of different compounds
- Multiple run option allowing to run multiple scenario combinations and to facilitate sensitivity analysis
- Analysis of main compound fluxes and significance and contribution of different chemical fate processes
- Improved user interface with more intuitive lay out and workflow, database management, as well as handling of input and output screen
- Version 3 based on .NET framework and C# and compatible to current and expected upgrades of the Windows XP/VISTA/7 OS
- Validation: model predictions of TBT, Irgarol, diuron, Seanine and other compounds matched within order of magnitude with measured concentrations
- Multi-lingual support: in addition to English and Japanese (since v2.5) new translations in v3.0 are: Chinese and Spanish
- Copper speciation: option to export results and create an input file for the widely used Biotic Ligand Model (BLM), to facilitate further analysis of the copper speciation
- Separate version for G-9 assessment of substances in ballast water
- Freely available
Demo / images
You can download the MAMPEC installation files from the download portal. Use the “Goto Download portal” button in the left menu panel. Here you can also download the technical and other documentation.
New update version 3.0.1
A new update is available (August 2014) in the download section. The update includes bug-fixes and improvements for version v3.0, released in July 2011, based on feed-back and help-requests from users and developers. The changes have no effect on calculated concentrations in water, sediment, or suspended matter. The database of default compounds for the MAMPEC version for ballast water (MAMPEC-BW) was extended with new (25) default compounds on request of GESAMP-BWWG and IMO. More information is provided in the Release Notes and Installation Instructions of version 3.0.1.
For other questions please contact:
Telephone number: +31(0)88 – 335 8100
Acknowledgements and References
The development of the model was sponsored by the Antifouling Working Group of the European Council of the Paint, Printing Ink and Artists’ Colours Industry (CEPE / CEFIC), with contributions of the European Commission – DG XI (1997-1999), Vrije Universiteit Amsterdam and Deltares (formerly Delft Hydraulics).
For the development of the ballast water version support was received from the International Maritime Organization (IMO) and the Ballast Water Working Group of the Joint Group of Experts on the Scientific Aspects of Marine Environmental Protection (GESAMP-BWWG.
The first version of MAMPEC (v1.0), developed by Deltares (formerly Delft Hydraulics) and IVM Vrije Universiteit, was released in 1999, and sponsored by the Antifouling Working Group (AFWG) of the European Paint Makers Association (CEPE) as part of the project “Utilisation of more environmental friendly antifouling products”, sponsored by the European Commission (DG XI; Contract # 96/559/3040/ DEB/E2).
Between 2002 and 2008 further updates of the model (versions 1.4–2.5) were prepared for CEPE-AFWG for reasons of compatibility with upgrades of the Windows XP/VISTA/7 OS, inclusion of standard EU and OECD emission scenarios new functionalities ((advanced photolysis module, non-tidal hydrodynamic exchange, sediment processes, import/export functions), and languages (Japanese). The model is recognized and used by regulatory authorities in EU, USA and other OECD countries.
In version 3.0 (2011) the user interface and software has been upgraded to meet current standards ( .net framework) and several new functionalities (extended emission scenarios, multiple run options, analysis of chemical fate processes, new export options) and languages (Chinese) have been added.
- User Manual MAMPEC v3.0 (FTP-site)
- MAMPEC 3.0 HANDBOOK – Technical Documentation
- Background and model formulations MAMPEC v1.4
Van Hattum B, Baart AC, Boon, JG (2002) Computer model to generate predicted environmental concentrations (PECs) for antifouling products in the marine environment – 2nd edn. accompanying the release of MAMPEC version 1.4, IVM Report (E-02/04), Institute for Environmental Studies, Vrije Universiteit, Amsterdam, Netherlands.
- OECD-EU environmental emission scenarios for BPD
Van der Plassche E, Van der Aa E (2004) Harmonisation of environmental emission scenarios: an emission scenario document for antifouling products in OECD countries (ESD-PT21), Royal Haskoning, Nijmegen.
- Emission scenarios and hydrodynamic background
Van Hattum, B., A. Baart, and J. Boon (2006). Emission estimation and chemical fate modeling of antifoulants. In: Konstantinou, I.K. (Ed.). Antifouling Paint Biocides. Handbook of Environmental Chemistry Vol. 5/O, Springer Verlag, Berlin (Germany), pp. 101-120.
- Photolysis, exchange at low tidal conditions, new harbor scenario in MAMPEC v2.0
Boon, J, A. Markus, A. Baart (2007). Antifouling model to predict environmental concentrations (MAMPEC) – Technical background additional features of MAMPEC version. Delft Hydraulics / WL, Delft, Netherlands.
- Application to regions with low tidal exchange
Baart AC (2003) MAMPEC, application at low exchange conditions. Report Z3662, WL| Delft Hydraulics, Delft.
- Application of MAMPEC with TBT
Van Hattum, B. (2001). TBT – a compound currently in the lime light. In : J. Gandrass and W. Salomons
(Eds.). Dredged Material in the Port of Rotterdam – Interface between Rhine Catchment Area and
North Sea. GKSS Research Centre (Germany), p. 277-288.