Search results

| width=400 | [[File:Drainage Module Icon.svg|16 px]] <big>'''Drainage Module'''</big> | [[Image:WMSIcon_Drainage_Palette.png|link=WMS:Drainage Tools]]

...riting an input file for the primary TOPAZ module DEDNM (Digital Elevation Drainage Network Model). DEDNM requires as input a file containing the elevations (m ...d then WMS will flag it so that TOPAZ does not fill the depression and the drainage computed. This is done using the [[WMS:DEM Point Attributes|''DEM Point Att

File:Drainage Module Icon.svg|Drainage Module File:Drainage Module Icon.svg|Basin item

...ular set of information. For example, one coverage could be used to define drainage boundaries and another coverage could be used to define land use or soil zo ...nce they are created. When WMS is first launched the default coverage is a drainage coverage. When multiple coverages are created, one coverage is designated t

...graphs'' dialog to define a new hydrograph. The base flow and contributing drainage area for the hydrograph should be entered for computation purposes.

The TIN and DEM menus have different commands when the Drainage module is active. ==Drainage TIN Menu==

...ported from standard GIS formatted files]]. This GIS data is overlaid with drainage basin boundaries to compute area-weighted composite model parameters for ea *Basin boundaries from the drainage boundary polygons on a drainage coverage.

...cally using the '''Compute Basin Data''' command in the ''TIN'' or ''DEM'' Drainage module menus, or in the ''Feature Objects'' Map module menu. If a TIN, DEM,

...lable in the [[WMS:Terrain Data Module|Terrain]] and [[WMS:Drainage Module|Drainage]] modules. ...ailable in the WMS:Terrain Data Module|Terrain]] and [[WMS:Drainage Module|Drainage]] modules.

...rall watershed into sub-basins including the effect of routing through any drainage channels. ...r sub-basins, including the ability to account for routing and lag through drainage channels and detention basins.

...f small rural drainage basins and is the most widely used method for urban drainage design. The rational method equation is given below:

...alue will be interpolated as long as you are in either the Terrain Data or Drainage modules. For example even if you have a TIN loaded, but are in the map modu

...cally using the '''Compute Basin Data''' command in the ''TIN'' or ''DEM'' Drainage module menus, or in the ''Feature Objects'' Map module menu. If a TIN, DEM, ...be computed by selecting the Compute Basin Data command in the TIN or DEM Drainage module menus, or in the Feature Objects Map module menu.

* ''Link Outlets and Inlets'' &ndash; Brings up the ''Link Storm Drain and Drainage Nodes'' dialog. ==Link Storm Drain and Drainage Nodes==

...rstand the terrain surface better. TINs are used for basin delineation and drainage analysis. Basin areas and several other geometric parameters can be compute

...t one cell in length or less) stub stream is created so that only a single drainage will be used. Remember that WMS will create a separate basin for each upstr When the drainage coverage feature objects are used to create a hydrologic model the area of

...ng of rainfall for water from the hydraulically most remote portion of the drainage area to reach the point of concentration. For a Orange County analysis, the

A TIN can be created from a set of feature objects in a drainage coverage using the '''Create TIN''' command in the ''Feature Objects'' menu ...IN from feature objects will insure that the TIN is optimal for performing drainage analysis because the new TIN will be built “around” the feature objects

...ins : The ''Add'' | '''Basin''' command of the ''Tree'' menu defines a new drainage basin for the selected outlet point. Any number of sub basins can be associ ...her outlet. Diversions are defined by first selecting an outlet point or a drainage basin where the flow is diverted and then selecting the ''Add'' | '''Divers

...nundation Polygon'' step is used to define a flood inundation polygon if a drainage coverage with a polygon defining the inundation area does not already exist