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1. Ph.D. Proposal March 1st ,2010 The role of Workflow Engine and Coupling Framework in the Development of Hydrologic Modeling System Presenter: Bo Lu Advisor: Dr. Michael Piasecki Department of Civil, Architectural & Environmental Engineering Drexel University
9. CLOUD …A current focus is on the development of holistic-view-models that incorporate hydrologic process with chemical, physical, and biological processes.
18. BABEL: a language-interoperability tool generating “glue codes” that bridge the communication between component models written in different programming languages.
19. Ccaffeine: a Graphical User Interface(GUI) for linking component models.
26. a web service(or a set of web services) accessing online data or invoking remote modeling.
27. a service distributing computations in high-performance computing environment.What are workflow engines? software applications that can facilitate composing, executing, archiving and sharing scientific workflows.
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29. Construct and add a CMS within the context of the CUAHSI Hydrologic Information System(HIS)
31. Make efforts to build up hydrologic modeling systems by adopting the TRIDENT workflow engine and the OpenMI coupling framework.
32. Provide an environment for designing models that can seamlessly integrate the components of data accessing, data preparation, model execution, and model result analysis via TRIDENT.
33. Contribute to the community by providing with optional models for carrying out hydrologic modeling tasks.
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35. To which level can they facilitate and promote community modeling and to what level do these systems lend themselves for a successful implementation as a CMS?
55. high-performance computing, parallel or concurrent execution, and distributed computations in the GRID environment.
56. Capturing provenance. Provenance specifies who, how, what and which resources are used in the workflow, and describes the derivation flow of data products.
57. Sharing workflow through publication mechanisms or repositories. For example, publishing workflow on the myExperiment web site (http://www.myexperiment.org)
58. Composing workflow via the drag-and-drop manner on a GUI. Output of one workflow can be mapped to input of multiple components.
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62. Spatial Modeling Environment (SME, Maxwell and Coastanza,1994)
63. Modular Modeling System (MMS, Leavesley et al.,1996)
75. A set of development tools or classes that facilitate standardizing legacy codes.
76. A workbench for model linkage, execution and management. A visual canvas is mostly provided that allows linking models by the drag-and-drop manner.
77. An extensible library of core components that encapsulate scientific algorithms and methods.
112. Terrain ProcessingRaw DEM( 1176*883 cells) Sink filled DEM Flow Direction Strahler Network order Flow Accumulation Watershed and River Network (.shp) Stream order Stream Raster Watershed Grid