SWMM56

Water Cycle (Cycle de l'eau - Cycle hydrologique) #STORMWATER #WATER @InnovyzeDavid https://t.co/tDG5FZMUqH pic.twitter.com/8qCMTBKoW0 — Robert Dickinson (@InnovyzeRobert) January 10, 2016

1/ Soil Water Characteristic Estimates by Texture and Organic Matter for Hydrologic Solutions Saxton and W. J. Rawls pic.twitter.com/gOH5t8JNYT — Robert Dickinson (@InnovyzeRobert) November 8, 2015 2/ Soil Water Characteristic Estimates by Texture and Organic Matter https://t.co/fYoKG0Gc3W pic.twitter.com/Ec9T1h72Wl — Robert Dickinson (@InnovyzeRobert) November 8, 2015

@Innovze has RDII Flow at the Subcatchment Level in ICM and IWCS and at the node level in InfoSWMM and H2OMap SWMM. Lateral Inflow In InfoSWMM and SWMM5 consists of Runoff, DWF, Inflow and RDII Flow pic.twitter.com/QHqwo6Fs2K — RDickinson (@RDickinson) January 1, 2014

Introduction:  This set of blogs uses the 1000 year rainfall/runoff/hydraulics model that you can download at http://swmm2000.com/forum/topics/1000-year-simulation-with-rainfall-in-swmm-5 to show the inner workings of SWMM 5 and by extension InfoSWMM and H2oMap SWMM using a QA/QC version of SWMM 5 with extended graphics.   I always hope that seeing the inner workings of a SWMM 5 feature helps to understand the code, sensitivity and importance of a parameter.   It also helps show sometimes when a parameter is not important.   In this example, we show some of the internal working of the Green Ampt Infiltration Parameters over the 100 year period.  The IMD is normally near the initial user defined value but it can go to zero during the course of the simulation (Figure 1) Discussion:   A key internal and user defined parameter is the Green Ampt Infiltration parameter Initial Moisture Deficit.  It starts out at the user Initial Deficit...

An interesting post from Starts with a Bang about moving clouds in one large Image. http://scienceblogs.com/startswithabang/2013/11/30/weekend-diversion-a-stacked-photo-fantasy/ The daytime photo techniques are incredible for showing how clouds move over time and appear to smear out across the sky, painting a glorious natural picture. Image credit: Matt Molloy. When even more frames are added, it can produce skies that look like they’re straight out of a painting. Image credit: Matt Molloy. But the photos that blew me away the most were the ones that combined day-and-night in a way I’d never before imagined: not only with sunsets and clouds, but with the color of the aurorae thrown in there, too! Image credit: Matt Molloy. Image credit: Matt Molloy. Matt’s photos are truly works of art to be marveled at, and you can  purchase them here . There’s also  an interview  with the 29-year-old Canadian photographer, where he reveals that these sunset track images typically consis...

Here are the steps to make a Subcatchment with Green Ampt Infiltration in ICM: 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 Initial Loss and Pervious Area (Bullet 2) 3.       The Runoff Surface percentages on the Subcatchment are connected to the Land Use Tab by the Land Use ID, in this example we are using Runoff Surfaces 22, 23 and 24 (Bullet 3) 4.       The Runoff Tab defines the Runoff Surfaces defined in the Subcatchment Tab and Land Use Tab (Bullet 4) 5.       You can define the Routing Model per Runoff Surface or SWMM in this case (Bullet 5) 6.       The type of Runoff Surface and Surface Type for each Runoff Surface or GreenAmpt fo...

Colorado’s Flooding Becomes A 1,000 Year Event As Rescuers Search For 500 Missing People BY  KATIE VALENTINE  ON  SEPTEMBER 15, 2013 AT 12:18 PM,  http://thinkprogress.org/climate/2013/09/15/2621881/colorado-floods/ CREDIT: AP/Colorado Heli-Ops, Dennis Pierce Boulder County, Colorado is bracing for up to  four more inches  of rain Sunday afternoon, a forecast that Colorado Gov. John Hickenlooper says would magnify the problems rescuers are already facing in trying to reach stranded residents. Hickenlooper said on CNN’s State of the Union Sunday that the forecast of more rain in a region that’s received more than 14 inches in the last week is troubling because the ground is already saturated with water, making it easy for more rain to lead to even more flooding. So far, rescuers have moved 2,000 people out of Boulder, but 500 are still missing and at least four have been killed. This week’s rain has already washed away roads leading into smaller valley regio...

Innovyze does not send unsolicited e-mail. This message is intended for members of the Water and Wastewater Industries only and we hope that you find it informative and useful. However, if you have received this message in error or would like to be removed, please use the link at the bottom of this message to update your notification settings.  View this email in your browser Press Room  |  Products  |  News  |  Events  |  The Company   Innovyze Ships Generation V10 of Industry-Leading InfoWater UDF, Raising the Bar for Unidirectional Flushing of Water Distribution Systems New Technology Enhancements Enable Faster Model Creation and Optimized Performance, Delivering Even More Power to Clean Mains, Restore Hydraulic Integrity and Enhance Water Quality Broomfield, Colorado, USA,  August 13, 2013  —  Innovyze, a leading global innovator of business analytics software and technologies for smart wet infrastructure, today announ...

Subject:    How to  use  the  Report   Feature  of the  HGL   Plot  in  InfoSWMM The  report   feature  of the  HGL   plot  helps you understand in more detail the pump flows, forcemain flows and node heads. Step 1.  Load the Domain in the  HGL   Plot  using  Report  Manager Step 2. Click  on the  Report  Command to Show the  HGL  Data in Tabular Format Step 3.   Format the Results Table from the  HGL   Plot  to see the data better. Step 4.   Now we have the heads, flows and velocities for the pumps, nodes and force main links in our Domain around the pump of interest at time steps of 2 seconds,  We can now see how the flows, heads and velocities change downstream from the pump. Step 5.   Force Mains, Nodes and Pumps in our Table Step 6.   The pump turns on and the flow ...

Subject:   How to  Set   Up   Hot   Start   Files  in  InfoSWMM  for a  Fixed   Boundary   Outfall If you have a  fixed   boundary   outfall  condition in your model and want to prevent reverse flow when you run your simulation the best way is to use the  Hot   Start   files  to fill  up  the links and nodes at the  start  of the simulation. 1 st  Step:   Turn off the DWF inflow so that ONLY the flow from  outfall  enters the network.  Use the Process Models in Run Manager to turn off and turn on the Dry Weather flow. 2nd Step:   Run the simulation first SAVING a  Hot   Start  File using zero initial node depths and link flows. 3rd Step:   Save and Use  Hot   Start   Files  until the initial and final volume in your Network stays the same.  4th Step:   Check th...

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 of the   Subcatchment . 2.    Impervious area without depression storage  in which the runoff from precipitation is NOT delayed.  Evaporation does occur based on the depth of water in the subarea of the  Subcatchment . 3 .    Pervious area  with depression storage in which the runoff from the precipitation is delayed due to the depression storage.  Evaporation and Infiltration occurs based on the depth of water in the subarea of the Subcatchment .  

Note:   How to  Set  a  Flap   Gate  in  InfoSWMM You can  set  a  flap   gate  in  InfoSWMM  either by using the attribute browser and changing the  Flap   Gate  Installed to Yes or No or by using the DB Editor and changing the Flag for  Flap   Gate  Installed to Yes by using the Block Edit tool.   The DB method is better for changing many conduits. 

Subject:     SWMM   5   Arrow   Direction   Question A  question  often asked is what happens to the flow in a  SWMM   5  link if the downstream and upstream node names are entered in reverse.    The flow will be exactly the same as if the nodes were entered in the right order but the flow in the link will be negative.  As long as the inflow to the model is at the same node in both alternate models the node depth, the link upstream depths and upstream cross sectional areas will be the same.  For example, the flow out of Nodes 80408A and 80408 will be the same but the flow out of 80408 will be negative and the flow out of 80408A will be positive.

Subject:      SWMM 5, H2OMap SWMM and InfoSWMM Time Step Guide If you use a variable  time   step  in  SWMM   5  or  InfoSWMM /H2OMAP  SWMM  it is hard to gauge the proper value of the conduit lengthening.  You want to use a value that does not increase the volume of the network yet does increase the length of the shortest links so you can use a longer  time   step .  A good approximation to the  time   step  that you want to use is shown in the image.   The  Time   Step   Guide  in seconds is  Link Length / [Velocity + sqrt(g*Maximum Depth)]  with the assumption that the velocity at maximum depth is about the value of the wave celerity for closed links or  sqrt (g*Maximum Depth).   Normally (unless pumps are involved) the average  time   step  used during the simulation is a good gauge of the  time ...

Subject:    How to  Use   Domain   Manager  in  InfoSWMM  to  Reduce  the  Output   File   Size If you want to save the  output  at a small report time step (2 seconds in this case) and you have a long simulation or large model then the reading of the graphicalo results may not be as speedy as you want.  You can save ONLY the  DOMAIN  to the  output  binary  file  however to make this smaller and faster to react. Step 1.   Define your Reporting Time Step and Your Routing Time Step.  In this case we are routing at 1 second but saving the  DOMAIN  results every 2 seconds.     Step 2.   Clear your existing  DOMAIN  and Create a  DOMAIN  based on the area you are most interested in during the simulation. Step 3.    Use  the Advanced Tab in Run  Manager  and select  Domain ...

Subject:    InfoSWMM   Report   Manager  and  Field   Statistics You can also use the mixed graph feature to plot the pump flow and the downstream flows on the same graph.  If you click on the  Report  command then you can also use a Field   Statistics  command to see the  Statistics  for each Link and Pump.   The right mouse button for the  Report  also allows you to make a scatter plot and graph the flows in theforcemains versus the flows in the pumps.