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Table of ContentsList of Figures ..
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4.1.12 The XML2GDB Script Tool ....
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Figure 3.24 Components of a Steady
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Figure 4.50 Create Flood Inundation
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Chapter 1 Introduction1.1 BACKGROUN
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for undeveloped or natural conditio
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All the previous statements favor t
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science, and engineering models as
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Different approaches have been used
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generic and self-described formats,
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externally executed from a central
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though GIS-based, the system does n
- Page 27 and 28: Geographic Information Systems, Arc
- Page 29 and 30: By defining the three basic functio
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- Page 33 and 34: Data Models in charge of storing an
- Page 35 and 36: Figure 3.1 Floodplain Modeling Sche
- Page 37 and 38: either with Schematic Nodes (for Su
- Page 39 and 40: channel cross sections, available H
- Page 41 and 42: sequential data, called pathnames,
- Page 43 and 44: Figure 3.5 NEXRAD square cells (873
- Page 45 and 46: geodatabase formatted with the Arc
- Page 47 and 48: The CrossSection feature class in A
- Page 49 and 50: geodatabase (under Arc Hydro format
- Page 51 and 52: 3.4.4 External Execution of HEC-RAS
- Page 53 and 54: analysis. In particular, GIS has be
- Page 55 and 56: 3.5.3 Model-Specific ElementsA geog
- Page 57 and 58: Figure 3.11 Geographic and Hydrolog
- Page 59 and 60: For HEC-RAS, the connectivity is ac
- Page 61 and 62: cross sections in the hydraulic mod
- Page 63 and 64: Section line for a RAS cross-sectio
- Page 65 and 66: from the geodatabase back into the
- Page 67 and 68: Figure 3.19 Relationship Classes fo
- Page 69 and 70: Figure 3.20 DSS Time Series content
- Page 71 and 72: Figure 3.22 Extended Time Series Co
- Page 73 and 74: Figure 3.23 Creating a Flow File fr
- Page 75 and 76: etween the HEC-DSS file system and
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- Page 85 and 86: Figure 4.4 Radar2GDB Model Componen
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- Page 89 and 90: Figure 4.8 Time Series Tables and R
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- Page 93 and 94: Part E: Time Interval of stored dat
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- Page 99 and 100: Len_sBTime (I): The length of the s
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- Page 103 and 104: methods: user hyetograph, user gage
- Page 105 and 106: Once the hyetograph is defined (for
- Page 107 and 108: The resulting runoff hydrograph is
- Page 109 and 110: Thus, the time period for the entir
- Page 111 and 112: After the ZSRTS subroutine is execu
- Page 113 and 114: Figure 4.12 HMSCaller Model Compone
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- Page 125 and 126: The HydroJunction, used for connect
- Page 127 and 128: Once the identification of flow cha
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As with the GDB2HMSDSS, the first t
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4.1.7 Time Series ExtractionOnce th
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accomplish this have been developed
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straight forward for all time stamp
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As opposed to HEC-DSS, the Arc Hydr
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Table 4.4: Variable Type Equivalenc
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ZCAT DSS subroutines) and stored in
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Table 4.5: Time Interval Equivalenc
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There are not specific valid values
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catalog list. For the DSS2GDB appli
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4.1.9.1 Opening the HEC-DSS fileThe
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channel (the hydraulic representati
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the model if the new configuration
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the main program as a public module
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Then, the RASCaller application acc
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Figure 4.31 ProjectName Property in
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Figure 4.33 RunSteady Method in RAS
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Figure 4.34 ExportGIS Method in RAS
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data structures delivered by every
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The two most well-known models for
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The water surface elevations obtain
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Once the water surface elevations f
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Generate a suitable water surface m
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Figure 4.42 2 Foot-Contour Lines fo
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Figure 4.43 Rosillo Creek’s terra
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standard ArcGIS tool), is used in M
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By doing this, the water surface el
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Figure 4.49 Create Flood Polygon Mo
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Int OperationThe Integer operation
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case that was developed for Map2Map
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contours (isohyetals) or by interpo
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design storm input given its possib
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Figure 4.55 Workflow for Extracting
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for it. Finally, the DigitalStorm2H
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model for water resources (Maidment
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Hydro, the HydroJunctionHasCrossSec
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involved in the transformation of r
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process model in sequence. For the
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5.6 A TRUE SPATIAL APPROACHAutomate
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time series between NEXRAD, the HEC
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value of the entire runoff hydrogra
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case study. Bigger watersheds (abov
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The first step consists in installi
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3.7 Map2Map UsageAll of the model b
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Congratulations! You have successfu
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Once the simplified version of Arc
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cells that cover your study area an
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Second, the user needs to modify th
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Appendix BMap2Map CD Content1 CD Da
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o hmsproj - contains folders with H
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Goodchild, M.F., Steyaert, L.T., an
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Olsen R. J., Beling, P. A., Lambert
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Werner, M. G. F. 2001. Impact of gr