Arnejan van Loenen
Mr. Van Loenen is a civil engineer, specialised in the application of ICT in water resources management. He has experience in designing, developing and implementing systems for operational water management, such as flood forecasting systems, real-time control systems, and sewer optimization systems.
Since joining Deltares, Mr. Van Loenen has participated in many projects where the Delft-FEWS system was implemented or extended. In these projects Mr. van Loenen acts as project leader and consults clients on how to implement operational systems, always in relation to the client’s context. He has furthermore participated in expert panels advising on the procurement of operational systems for water management.
Next to performing consultancy projects, Mr. Van Loenen is actively involved in exploring new techniques for improvement of operational water management, such as information distribution via internet, application of mobile apps and mining social media. Thanks to winning in the 2014 in-company Innovation Contest at Deltares, he was able to perform a practical research in the use of Twitter messages to generate real-time flood maps.
Working experience
| 2010-present | Deltares | Expert Operational water management |
| 2009-2010 | Movares | Consultant Water Resources Management |
| 2005-2009 | HydroLogic | Consultant Water Resources Management |
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System Integration and Technical Assistance for Strengthening of Weather Forecasting and Early Warning Systems in Vietnam.
Vietnam, 2015
Positions held: Forecasting and EWS expert
Main project features: Design of an integrated Early Warning System for Vietnam.
Activities performed:
• Evaluation of current disaster forecasting capabilities
• Evaluation of available disaster models
• Design of an integrated Weather hazard Early Warning System
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Update and extent FEWS Mekong
Cambodja, 2014
Positions held: Consultant
Main project features: Updating and checking system performance of the operational flood early warning system. Adding new functionality and capacity building.
Activities performed:
• Updating the current system
• Adding new functionalities and model updates
• Support and maintenance
• Capacity Building -
Brabant Flood Early Warning System 2.0.
The Netherlands, 2014
Positions held: Consultant
Main project features: Development of a second generation Flood Forecasting System, in which the interacting water systems of four regional water authorities are integrated.
Activities performed:
• Set-up of flood forecasting framework
• Connecting the operational telemetry networks
• Connecting hydraulic and hydrologic models to the framework
• Setup of Forecast pre- and postprocessing
• Capacity Building
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Smart Watermanagement
The Netherlands, 2014
Positions held: Consultant
Main project features: Development of an institutional framework for optimizing water management, by improved cooperation of water authorities and application of RTC modules.
Activities performed:
• expert advice on operational water management
• assessment of an optimization tool of the Dutch river network
• end-user requirements assessment
• design of presentation methods for complex decision making in water management -
System for monitoring of regulated water systems
The Netherlands, 2011-2014
Positions held: Project manager, consultant
Main project features: On-going deployment and improvement of the Operational Management System for Regulated Water Systems. Project management, implementation of real-time control modules for two water management districts, application support.
Activities performed:
• Projectmanagement
• Support and maintenance of the operational system
• implementation of hydraulic models for advice on operational management
• Set-up of data connections to neighbouring water authorities
• Design and implementation of RTC-modules for optimizing the operational water management of two water management districts -
Development of a Flood Early Warning System for Yom River
Thailand, 2013-2014
Positions held: Consultant
Main project features: Development of a first-phase operational data collection and flood forecasting system for Yom River.
Activities performed:
• Set-up of flood forecasting framework
• Assessment of operational telemetry networks
• Connecting hydraulic and hydrologic models to the framework
• Setup of Forecast pre- and postprocessing
• Capacity Building -
Flood Management Information System Jakarta
Indonesia, 2013
Positions held: Consultant
Main project features: Upgrade of the existing flood forecasting system of Jakarta into an all-round Flood Management Information System.
Activities performed:
• Assessment of additional operational telemetry networks
• Assessment of additional global data sources (such as numerical weather predictions models)
• Improvement of current connection of EWS to hydraulic model
• Improved dissemination of warning to end-users
• Support and maintenance of EWS system
• Training and capacity building -
Monitoring of pressurised waste water systems
The Netherlands, 2013
Positions held: Consultant
Main project features: Implementation of WANDA model of waste water systems, that in combination with monitoring data calculates the performance of the sewer pumps.
Activities performed:
• Implementation of a method for calculating performance indicators of sewer pumps in an operational water management system
• Training and capacity building -
Expert panel on improved rainfall radar
The Netherlands
Positions held: Expert Advisor
Main project features: Expert advice on procurement of an operational system for correcting and distributing precipitation radar data for use in operational water management.
Activities performed:
• Advice on data correction procedures
• Support with procurement process -
Integrated Control Water and Wastewater System Hoeksche Waard
The Netherlands, 2010-2012
Positions held: Consultant
Main project features: Pilot project in which telemetry systems of sewer systems from different communities in Hoeksche Waard are connected and displayed in favour of improving water quality. Implementation of Real-Time Control Tools for optimising sewer operation and application of SOBEK Urban for urban water system analysis.
Activities performed:
• Setting-up data connections with scada systems of involved communities
• Adding data transformations
• Connection hydraulic sewer models
• Management of the design and implementation of the RTC module for optimizing the sewer operation
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Forecasting and Predictive Control of the Dutch Canal Network
Loenen, A. van, Xu, M. (2015). In de S. de Campos and R.R. Negenborn (eds.), Transport of Water versus Transport over Water
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Implementation of a Flood Management Information System for Jakarta.
Loenen, A. van, Tollenaar, D., Brinkman, J. (2014). 13th International conference on Urban Drainage, Sarawak, Malaysia
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Short-Term optimization of a canal network for navigation and water management.
Loenen, A. van, Xu, M., Engel, R. (2014). 11th International Conference on Hydrodynamics, New York, USA
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Leveraging existing infrastructure for central automatic control of multiple sewer systems
Loenen, A. van, Heeringen, K.J. van, Nooyen, R.R.P van, Velzen, E. van. (2012) 10th International Conference on Hydrodynamics, Hamburg, Germany
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Coping with communication delays and different time scales when applying central automatic control
Nooyen, R.R.P. van, Kolechkina, A.G., Loenen, A. van. (2012). International Congress on Environmental Modelling and Software, Leipzig, Germany.
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Project ‘Integrated Control of Linked Water and Waste Water Systems in the Hoeksche Waard’
Loenen, A. van. , Mol, B. (2011). International Water Week 2011, Amsterdam, The Netherlands.
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Information on uncertainty in regional water management (Dutch)
Verkade, J., Loenen, A. van, Weerts, A., Leeuwen, E. van. (2011). H2O. nr 16, October 2011.
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Risc communication concerning flood safety (in Dutch).
Woelders, L., Verkerk, M., Bos, A., Van Loenen, A., Kootstra, D. (2007). H2O nr. 17, September 2007
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Flood safety: risc management using a Calamity Information System (in Dutch)
Van Loenen, A. De Graaf, J. (2007). ConcepTueel Nr. 1, February 2007
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Transboundary ecological modelling with EcoDSS (in Dutch)
Van Loenen A., Reichard H.L., Van Iersel P., Slikker J. (2006). H2O Nr. 18, November 2006, p. 92 - 93.
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Transnational cooperation possibilities – Results of the Interreg IIIb nofdp Transboundary Studies
Van Loenen A., Reichard H.L., Van Iersel P., Slikker J. (2006). Scaldit conference on international water management issues for the river Scheldt, Mechelen, Belgium, 24th October 2006