"At the Summit of Olympus Mons
Credit: G. Neukum (FU Berlin) et al., DLR, ESA
From martian orbit, the Mars Express cameras looked down on the largest volcano in the solar system. The result was this stunningly detailed overhead view of the…"
SWMM5 - Stormwater Management Model
SWMM 5, InfoSWMM, H20MAP SWMM, InfoSewer for Water Quality,Hydrology, Hydraulics
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Robert Dickinson replied to Robert Dickinson's discussion How is the St Venant Equation Solved for in the Dynamic Wave Solution of SWMM 5?"Subject: Link Iterations in the SWMM 5 Dynamic Wave Solution
Each of the links in the SWMM 5 network can use up to 8 iterations to reach convergence during a time step in the dynamic wave solution of SWMM 5. The rules…"
Robert Dickinson left a comment for wu ze jian"Hi, I added this discussion http://swmm2000.com/forum/topics/how-is-the-st-venant-equation-solved-for-in-the-dynamic-wave-solu"
Robert Dickinson posted a discussionHow is the St Venant Equation Solved for in the Dynamic Wave Solution of SWMM 5?
Subject: How is the St Venant Equation Solved for in the Dynamic Wave Solution of SWMM 5? An explanation of the four St. Venant Terms in SWMM 5 and how they change for Gravity Mains and Force Mains. The HGL is the water surface elevation in the upstream and downstream nodes of the link. The HGL for a full link goes from the pipe crown elevation up to the rim elevation of the node + the surcharge depth of the node. The four terms are: dq2 = Time Step * Awtd * (Head Downstream – Head Upstream)…See More
Robert Dickinson added a page to the group Hydraulics
Force Main Friction Loss in InfoSWMM and the Transition from Partial to Full Flow
Subject: Force Main Friction Loss in InfoSWMM and the Transition from Partial to Full Flow
You can model Force Main friction loss in InfoSWMM using either Darcy Weisbach or Hazen Williams as the full pipe friction loss method (see Figure 1 for the…
Robert Dickinson's blog post was featuredSWMM 5 Precipitation Options
Subject: SWMM 5 Precipitation Options You can have design storms, monitored storms of any length of the time from minutes to centuries, use intensity, volume or cumulative precipitation, use both rainfall and snowfall in the same rain gage depending on temperature, use both time series or external files for the rain gage and have unlimited rain gages with the limitation of one rain gage per subcatchment. …See More
Robert Dickinson posted a blog postSWMM 5 Precipitation Options
Subject: SWMM 5 Precipitation Options You can have design storms, monitored storms of any length of the time from minutes to centuries, use intensity, volume or cumulative precipitation, use both rainfall and snowfall in the same rain gage depending on temperature, use both time series or external files for the rain gage and have unlimited rain gages with the limitation of one rain gage per subcatchment. …See More
Robert Dickinson commented on Robert Dickinson's group Stream of Information"Pacheena Indian Reserve, British Columbia, Canada
May. 25, 2012
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Robert Dickinson commented on Robert Dickinson's group Stream of Information"All the Water on Europa Illustration Credit & Copyright: Kevin Hand (JPL/Caltech), Jack Cook (Woods Hole Oceanographic Institution), Howard Perlman (USGS)
Explanation: How much of Jupiter's moon…"
Robert Dickinson commented on Robert Dickinson's group Water Quality"URBAN STORMWATER QUANTITY/QUALITY MODELING USING THE SCS METHOD AND EMPIRICAL EQUATIONS†
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1997.tb04093.x/abstract
May 24, 2012
Wiley Online Library will be disrupted on 26 May from…"
Robert Dickinson commented on Robert Dickinson's group Water Quality"Hi MeHa, Here is one good source of data, I also have the SWMM 5 models for the USGS areas.
http://www.1000friendsofflorida.org/pubs/stmarksgreen/apend4.asp
http://sofia.usgs.gov/publications/ofr/78-324/ofr-78-324.pdf
"
MeHa commented on Robert Dickinson's group Water Quality"I want to model WQ of sewers. Can any body provide me a network with real measured calibration files? "
MeHa posted a status"Hello, When designing a sewer system, we consider the Node Flooding and Conduit surcharge in the status report. Is there any guideline which"
Quah Soon Tong left a comment for Esther Bergareche Auricenea"Hi Esther, I am not sure you are the same Esther that was at the United World College in South Wales with me. I am Quah Soon Tong from Singapore. I noticed you are also an engineer. I did Civil Engineering at Cambridge University, but practised as…"
Robert Dickinson commented on Robert Dickinson's group Stream of Information"River Canyon
May. 23, 2012
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Robert Dickinson commented on Robert Dickinson's group Stream of Information"Litla Dimun, Faroe Islands
May. 23, 2012
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CDMU Introduction to SWMM - via Mitch Heineman
| From Mitch's Dynsystem - Internet resources discussed in the CDMU Introduction to SWMM class are listed here. Contact Mitch Heineman in CDM's Cambridge office for further information. |
Comment
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Comment by Robert Dickinson on February 14, 2011 at 11:52am -
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- Chapter 7: CSS Modeling
- [Click here to view in PDF format - 728KB ]
- Chapter 8: Receiving Water Modeling
- [Click here to view in PDF format - 164KB ]
- Chapter 9: Assessing Receiving Water Impacts and Attainment of WQS
[Click here to view in PDF format - 1,311KB ] References
- Entire Document
[Click here to view in PDF format - 3,960KB ]
- Chapter 9: Assessing Receiving Water Impacts and Attainment of WQS
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Comment by Robert Dickinson on February 14, 2011 at 11:51am
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Combined Sewer Overflows
Principal Guidance DocumentsEPA has released a number of guidance documents explaining technical, financial, and permitting issues underlying implementation of the Combined Sewer Overflow Control Policy. Each guidance document is described briefly below.
- Guidance: Coordinating Combined Sewer Overflow (CSO) Long-Term Planning with Water Quality Standards Reviews
- Addresses impediments to implementing the water quality-based provisions in the CSO Policy, and actions that State and Interstate Water Pollution Control Directors and CSO communities should take to overcome these impediments. This guidance describes a process for integrating LTCP development and implementation with the water quality standards review. This process is the essence of EPA's commitment to facilitating the review and revision, as appropriate, of water quality standards for waters affected by CSOs (EPA-833-R-01-002).
- Combined Sewer Overflows Guidance for Nine Minimum Control Measures
- Provides information on nine minimum technology-based controls that communities are expected to use to address CSO problems, without extensive engineering studies or significant construction costs, before long-term measures are taken. Communities are expected to implement the nine minimum controls and submit documentation no later than January 1, 1997 (EPA 832-B-95-003).
- Combined Sewer Overflows Guidance For Long-Term Control Plan
- Describes how municipalities can develop comprehensive long-term control plans that recognize the site-specific nature of CSOs and their impacts on receiving water bodies. The document describes how to develop a long-term control plan that includes technology-based and water quality-based control measures that are technically feasible, affordable, and consistent with the CSO Control Policy (EPA 832-B-95-002).
- Combined Sewer Overflows Guidance For Monitoring and Modeling
- Memorandum, Table of Contents, Acronyms
[Click here to view in PDF format - 54KB ]
- Chapter 1: Introduction
[Click here to view in PDF format - 40KB ]
- Chapter 2: Introduction to Monitoring and Modeling
[Click here to view in PDF format - 70KB ]
- Chapter 3: Initial System Characterization
[Click here to view in PDF format - 132KB ] Chapter 4: Monitoring and Modeling Plan
- Chapter 5: CSS Monitoring
[Click here to view in PDF format - 667KB ]
- Chapter 6: Receiving Water Monitoring
[Click here to view in PDF format - 68KB ]
- Chapter 7: CSS Modeling
[Click here to view in PDF format - 728KB ]
- Memorandum, Table of Contents, Acronyms
© 2012 Created by Robert Dickinson.
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