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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Petrov, R. H. | Madrid |
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Azam, Siraj |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Stenson, Matt
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document
Exposing a hydrological simulation model on the web
Abstract
Exposing hydrological modelling capabilities through the web extends functionality beyond the desktop application paradigm. Hydrological simulation models are often implemented as desktop applications.The desktop application paradigm supports intensive processing, memory and disk space requirements. However desktop applications provide limited potential for integration with other models and data services. A case study demonstrates a Web user interface integrating hydrological modelling capability with new tools and standards for web processing and delivery.The rapid development of the World Wide Web has opened up the possibility of leveraging a growing resource of tools and data services. The eWater Source Integrated Modelling System (Source IMS) encompasses significant knowledge and modelling capability. This capability is delivered through a traditional desktop application limiting the ability of the Source IMS to interact in new modelling paradigms such as those offered by hydrologic workflows and the Web. Delivering hydrological modelling capabilities via flexible and simple standards over the web allows integration with useful tools and services. The Source Web Server exposes Source IMS functionality and delivers it into a standardised Internet environment of useful tools, techniques, and services. The Source Web Server is founded on the Source External Interface. The Source External Interface was developed within the Water Information Research and Development Alliance (WIRADA) in collaboration with the eWater CRC and provides a foundation for alternate interfaces to Source IMS functionality. The Source External Interface has been used to build a command line client and server that provide a practical method of integrating the Source IMS within workflows such as the Australian Water Resources Assessment System (AWRA) under development within WIRADA. The Source Web Server builds upon the command line client and server by extending the use of the Microsoft Windows Communication Framework.A Web HTML user interface to the Source IMS was developed as a case study to examine the integration of Source IMS functionality with web based technologies. The HTML user interface is simple and was developed quickly. JSON, jQuery and Google Visualisation Libraries provided much of the required data processing and visualization functionality. As a result very little custom code was required. In the case study the Source Web Server provided a service readily consumed by the HTML user interface indicating the Source Web Server is a practical and simple means of exposing Source IMS functionality for use in the Web environment. The HTML user interface represents a novel customised web mash up useful for stakeholder engagement. Development of other mashups should be possible using the general purpose services provided by the Source Web Server.The Source Web Server delivers hydrological modelling functionality beyond traditional desktop paradigms. It builds upon the Source External Interface and associated work to deliver Source IMS capabilities into a Web environment providing an abundance of valuable data services, tools, and techniques.