0000012027 00000 n 0000005464 00000 n Tiner, in Encyclopedia of Inland Waters, 2009. 0000010578 00000 n Wetland hydrology – frequently occurring prolonged inundation and/or soil saturation (waterlogging) – is the driving function that creates and maintains wetlands. Before you start setting up SAGA GIS for use it is recommended that you acquire the data which you plan to use for your project; be aware of where your data is located in a folder and make sure all of the data you are using is located in that folder. SECURITY CLASSIFICATION OF: 19a. Use your own or third-party hydrological analysis methods and specify any combination of rainfall, evaporation or infiltration data. Two major types of hydrological models can be distinguished: Models based on data. 0000001224 00000 n The extensive toolkit within Flood Modeller streamlines the model building process and helps you quickly calibrate and understand the performance of your model. They are primarily used for hydrological prediction and for understanding hydrological processes, within the general field of scientific modeling. Their uncertainty stems from input and calibration data, model structure, and parameters. Use the optimise storm duration tool to find the storm duration which gives a maximum level or discharge at a given location. 0000012006 00000 n Abstract. 0000001245 00000 n 36. 1.0 Hydrological Analysis 1.1 Estimating Runoff 1.1.1 Introduction to Hydrologic Methods Hydrology deals with estimating flow peaks, volumes, and time distributions of stormwater runoff. Yunwei Sun. Sensitivity analysis (SA) aims to identify the key parameters that affect model performance and it plays important roles in model parameterization, calibration, optimization, and uncertainty quantification. 0000011317 00000 n AverageFlowpathSlope; AverageUpslopeFlowpathLength; Basins; BreachDepressions; BreachDepressionsLeastCost; BreachSingleCellPits; BurnStreamsAtRoads; D8FlowAccumulation; D8MassFlux; D8Pointer; DInfFlowAccumulation; DInfMassFlux; DInfPointer; DepthInSink; DownslopeDistanceToStream; DownslopeFlowpathLength; ElevationAboveStream; … Use event files, which links boundaries to your models, and the simulation builder to quickly and easily set up and run your models for different scenarios, return periods or epochs. The emphasis is on floods driven by rainfall rather than snowmelt. 0000009108 00000 n Despite progresses in representing different processes, hydrological models remain uncertain. 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