Posts about runoff, groundwater, infiltration, RDII etc
Anyone else notice almost all the presentations come back to water? GIS is cool, but Water is cooler! #EsriEPC Me: Runoff and Wastewater are also cool!
— Adam Simonsen (@adamsimonsen) March 9, 2014
via Blogger http://ift.tt/1fgbmZH… Read the rest
by Maria Popova
1. You use the Subcatchment, Land Use and Runoff Surface Tabs in the Subcatchment Grid (Bullet 1)
2. The Subcatchment Tab has three Runoff Areas for Impervious with Depression Storage or Initial Loss, Impervious with no
While trying to accommodate the growing needs of an expanding, and very thirsty civilization, we are reshaping the Earth in colossal ways. In this new and powerful role over the planet, we are also capable of engineering our
via Blogger http://www.swmm5.net/2013/09/drawing-water.html… Read the rest
Subject: 3 Types of Subcatchment Flow in SWMM 5
There are three types of Subcatchment flow in SWMM 5
1. Impervious area with depression storage in which the runoff from the precipitation is delayed due to the depression storage. Evaporation occurs based on the depth of water in the subarea … Read the rest
Subject: Aquifers in SWMM 5
Groundwater in SWMM 5 is modeled as two zones: (1) Saturated and (2) Unstaturated. The data for the Groundwater Simulation consists of physical data in an Aquifer and elevation and flow coefficient and exponent data in the GroundwaterData. The Aquifer data object can … Read the rest
Subject: Infiltration Data in SWMM 5
If you are using Non linear Reservoir Modeling in SWMM 5 there are
1. Five parameters for Horton Infiltration,
2. Three parameters for Green-Ampt and
3. Two parameters for CN infiltration, one parameter (conductivity) has been deprecated by the EPA in SWMM
Subject: Aquifer and Groundwater Objects in SWMM 5
There are two types of data objects in SWMM 5 to describe the Groundwater flow component. There is a Groundwater data object associated with a Subcatchment that describes flow equations, the interaction between the Subcatchment infiltration and the Groundwater component and
Subject: How Does the Green Ampt Initial Moisture Defiict Work in InfoSWMM and SWMM 5?
This graph shows the values of the internal SWMM 5 parameters for Green Ampt Infiltration for the pervious area of a Subcatchment during a simulation. The parameters are:
· Soil Moisture = IMD Max – … Read the rest
Subject: LID and BMP Modelling in InfoSWMM and H20Map SWMM
The attached PDF file describes some of the Low Impact Modeling and Best Management Practice modeling options in InfoSWMM and H2OMap SWMM (Figure 1)
Low Impact Development (LID) Page 3
Low Impact Development (LID) Page 4
LID Controls and
Subject: How Does Green Ampt Cumulative Event Infiltration work in SWMM 5?
This graph shows the values of the internal SWMM 5 parameters for Green Ampt Infiltration for the pervious area of a Subcatchment during a simulation. The parameters are:
· F or FTOT which is the cumulative event… Read the rest