Getting Started
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47 visible topics. Filtering affects both the left navigation and the cards below.
47 visible topics. Filtering affects both the left navigation and the cards below.
Getting Started
Account setup and model options
Getting Started
Option
Simulation Options editor is used to set various options that control how a SWMM simulation is made. The editor consists of the following tabbed pages
Open full help article →Map & Model Setup
Map tools, image overlays, drawing boxes, and map visualization
Map & Model Setup
Map control
The Open Layer Map is used to draw model features and interact graphically with StormNET. Below is information about map control , drawing objects , a
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Overlay Image
The Image Overlay screen is used for user to upload image files(.jpg,.jpeg,.png) and overlay them on the map. There are two different methods to overl
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Drawbox
The DEM Configuration Editor is used to define the model area and display a digital elevation model (DEM) and other information from the MAGNET4WATER
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Map Viz
The Map Visualization window is used to change map display options. After running a model simulation various results can be displayed including flows,
Open full help article →Subcatchments
Subcatchment configuration: land use, infiltration, groundwater, LID, buildup/washoff
Subcatchments
Subcatchment
Subcatchments are hydrologic units of land whose topography and drainage system elements direct surface runoff to a single discharge point. The user i
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Subcatchment Landuse
The Land Use Assignment editor is used to edit the Land Uses property of a Subcatchment. Its purpose is to assign land uses to the subcatchment for wa
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Subcatchment Infiltration
The Infiltration Editor is used to specify the method and its parameters that model the rate at which rainfall infiltrates into the upper soil zone of
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Subcatchment Groundwater
The Groundwater Flow tab is used to edit the Groundwater property of a Subcatchment. It is used to link a subcatchment to both a parent aquifer and to
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Subcatchment Lidcontrol
The LID Controls for Subcatchment page is used to identify a group of previously defined LID controls that will be placed within the subcatchment, the
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Subcatchment Buildup
The Initial Buildup editor is used to edit the Initial Buildup property of a Subcatchment. It specifies the amount of pollutant buildup existing over
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Subcatchment Visualization
Stormnet Models can be viewed in 3D CAD. The Visualization tab is used to input parameters for Visualizing the Subcatchment in 3D CAD Table below is a
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Landuse
Land Uses are categories of development activities or land surface characteristics assigned to subcatchments. Examples of land use activities are resi
Open full help article →Nodes & Storage
Junctions, outfalls, dividers, storage units
Nodes & Storage
Junction
Junctions are drainage system nodes where links join together. Physically they can represent the confluence of natural surface channels, manholes in a
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Outfall
Outfalls are terminal nodes of the drainage system used to define final downstream boundaries under Dynamic Wave flow routing. For other types of flow
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Divider
Flow Dividers are drainage system nodes that divert inflows to a specific conduit in a prescribed manner. A flow divider can have no more than two con
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Storage
Storage Units are drainage system nodes that provide storage volume. Physically they could represent storage facilities as small as a catchbasin or as
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Storage Unit Regular
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Storage Unit Irregular
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Storage Curve
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Open full help article →Links & Hydraulic Structures
Conduits, pumps, orifices, weirs, outlets, culverts, transects
Links & Hydraulic Structures
Conduit
Conduits are pipes or channels that move water from one node to another in the conveyance system. Their cross-sectional shapes can be selected from a
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Pump
Pumps are links used to lift water to higher elevations. A pump curve describes the relation between a pump's flow rate and conditions at its inlet an
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Orifice
Orifices are used to model outlet and diversion structures in drainage systems which are typically openings in the wall of a manhole, storage facility
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Weir
Weirs , like orifices, are used to model outlet and diversion structures in a drainage system. Weirs are typically located in a manhole, along the sid
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Outlet
Outlets are flow control devices that are typically used to control outflows from storage units. They are used to model special head-discharge relatio
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Culvert
Culvert — StormNET Real-time Help
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Transect
Field Description Name The name assigned to the transect. Description An optional comment or description of the transect. Station/Elevation Data Grid
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Auto Xs
The Auto Generate Transects window is used to add irregular transects (cross sections) along a channel between existing drawn transects. To Auto Gener
Open full help article →Controls
Control rules for pumps and regulators
Controls
Controlrule
Control Rules determine how pumps and regulators in the conveyance system will be adjusted over the course of a simulation. The use of control rules i
Open full help article →Climate & Snow
Rain gages, climatology, snowpack modeling
Climate & Snow
Raingage
Rain Gages supply precipitation data for one or more subcatchment areas in a study region. The rainfall data can be either a user-defined time series
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Climatology
The Climatology Editor is used to enter values for various climate-related variables required by certain SWMM simulations. The Editor is divided into
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Snowpack
Snow Pack objects contain parameters that characterize the buildup, removal, and melting of snow over three types of sub-areas within a subcatchment:
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Snowpack Parameter
Field Description Minimum Melt Coefficient The degree-day snow melt coefficient that occurs on December 21. Units are either in/hr-deg F or mm/hr-deg
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Snowpack Removal
Field Description Depth at which snow removal begins (in or mm) Depth which must be reached before any snow removal begins. Fraction transferred out o
Open full help article →LID & Aquifer
Low Impact Development controls and aquifer (groundwater) modeling
LID & Aquifer
Lidcontrol
LID Controls are low impact development practices designed to capture surface runoff and provide some combination of detention, infiltration, and evap
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Lidusage
The LID Usage Editor is used to specify how a particular LID control will be deployed within the subcatchment. It contains the following data entry fi
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Aquifer
Aquifers are sub-surface groundwater zones used to model the vertical movement of water infiltrating from the subcatchments that lie above them. They
Open full help article →Inflows & Loadings
Direct inflows, dry-weather inflows, RDII, and unit hydrographs
Inflows & Loadings
Inflow Direct
The direct page on the Inflows Editor page is used to specify the time history of direct external flow and water quality entering a node of the draina
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Inflow Dryweather
The Dry Weather page of the Inflows Editor dialog is used to specify a continuous source of dry weather flow entering a node of the drainage system. T
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Inflow Rdii
The RDII Inflow page of the Inflows Editor dialog form is used to specify RDII (Rainfall Dependent Infiltration/Inflow) for the node in question. The
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Hydrograph
The Unit Hydrograph is used to specify the shape parameters and rain gage for a group of triangular unit hydrographs. These hydrographs are used to co
Open full help article →Data & Utilities
Curves, time series, time patterns, and pollutants
Data & Utilities
Curve
Curve objects are used to describe a functional relationship between two quantities. The following types of curves are used in SWMM: Storage - describ
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Timeseries
Time Series objects are used to describe how certain object properties vary with time. Time series can be used to describe: temperature data evaporati
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Timepattern
Time Patterns allow external dry weather flow (DWF) to vary in a periodic fashion. They consist of a set of adjustment factors applied as multipliers
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Pollutant
SWMM can simulate the generation, inflow and transport of any number of user-defined pollutants. The input parameters for the pollutant are listed in
Open full help article →Results & Visualization
Model result visualization
Results & Visualization
Model Viz
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