SWMM5 - Stormwater Management Model
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Robert Dickinson commented on Robert Dickinson's group 'ExtraVariables'
QA/QC version based on v22 of EPA SWMM 5 with the ability to read older SWMM 5 OUT files.
swmm5.dll
Epaswmm5.exe
Robert Dickinson commented on Robert Dickinson's group 'Stream of Information'
Video: How Snowflakes Are Formed
February 4th, 2012 | Posted by Jaime Menchén in Science Videos
This time-lapse video lasts 11 seconds, with no music or voice-over. And still you’ll want to see it over and over again. The…
Photo posted by Robert Dickinson
This is a galaxy
This is a galaxy. Or is it? A remix of material originally produced for BBC Stargazing Live 2012 If you liked this video, follow me on twitter to hear about ...
Video posted by Robert Dickinson
Fateme Fallah replied to Fateme Fallah's discussion 'Uncertainty Analysis'
Dear Lionel,
This matter is explained in Appendix D of SWMM manual under the title of “Command line SWMM”. So in MATLAB you can use below format under DOS window:
"The address of place that SWMM is there" input…
Robert Dickinson commented on Robert Dickinson's group 'Stream of Information'
Now the new images, courtesy of the Suomi NPP satellite (2012):
The above two photos are pretty much what you would see with your naked eyes if you were at the altitude of this satellite. It's humbling to realize that all you…
Lionel replied to Lionel's discussion 'Linking Matlab with SWMM5'
Thanks Robert for your prompt help!
Lionel replied to Fateme Fallah's discussion 'Uncertainty Analysis'
Hi Fateme Fallah,
I am doing something similar but in my case I am varying the infiltration factor. I am not very good with Matlab so require a bit of help on the coding. I would like to check if you have been successful in your attempt to…
Robert Dickinson replied to Lionel's discussion 'Linking Matlab with SWMM5'
Hi, This thread has some info
http://www.swmm2000.com/forum/topics/uncertainty-analysis
as does this
http://www.swmm2000.com/forum/topics/link-swmm-with-matlab
http://www.swmm2000.com/forum/topics/combining-swmm-and-matlab
Linking Matlab with SWMM5
Hi, I am currently trying to use Matlab to create a set of random values and inputting these random values into SWMM 5 to vary the different parameters (e.g. decay constant) so I will get a range of results. Has anyone done it before? Thanks!See More
Discussion posted by Lionel
North Carolina City Chooses InfoSewer
North Carolina City Chooses InfoSewerArcGIS Based Sewer Modeling Package Helps Hendersonville, NC Model and Manage Its Collection SystemBroomfield, Colorado, USA, January 31, 2012Innovyze, a leading global innovator of business analytics software and technologies for wet infrastructure, today announced the City of Hendersonville, North Carolina, has selected InfoSewer for ArcGIS (Esri, Redlands, CA) as its sewer modeling platform.InfoSewer has helped define the standard in the industry for…See More
A blog post by Robert Dickinson was featured
North Carolina City Chooses InfoSewer
North Carolina City Chooses InfoSewerArcGIS Based Sewer Modeling Package Helps Hendersonville, NC Model and Manage Its Collection SystemBroomfield, Colorado, USA, January 31, 2012Innovyze, a leading global innovator of business analytics software and technologies for wet infrastructure, today announced the City of Hendersonville, North Carolina, has selected InfoSewer for ArcGIS (Esri, Redlands, CA) as its sewer modeling platform.InfoSewer has helped define the standard in the industry for…See More
Blog post by Robert Dickinson
Robert Dickinson left a comment for oliver kemp
Welcome Oliver!
World Population over Time
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Historical Estimates of World Population
(Population in millions. When lower and upper estimates are the same they are shown under "Lower.")
| Year | Summary | Biraben | Durand | Haub | McEvedy and Jones |
Thomlinson | UN, 1973 | UN, 1999 | USCB | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lower | Upper | Lower | Upper | Lower | Upper | Lower | Upper | ||||||
| 10000 BC | 1 | 10 | 4 | 1 | 10 | ||||||||
| 8000 BC | 5 | 5 | |||||||||||
| 6500 BC | 5 | 10 | 5 | 10 | |||||||||
| 5000 BC | 5 | 20 | 5 | 5 | 20 | ||||||||
| 4000 BC | 7 | 7 | |||||||||||
| 3000 BC | 14 | 14 | |||||||||||
| 2000 BC | 27 | 27 | |||||||||||
| 1000 BC | 50 | 50 | |||||||||||
| 500 BC | 100 | 100 | |||||||||||
| 400 BC | 162 | 162 | |||||||||||
| 200 BC | 150 | 231 | 231 | 150 | |||||||||
| 1 AD | 170 | 400 | 255 | 270 | 330 | 300 | 170 | 200 | 200 | 400 | 300 | ||
| 200 AD | 190 | 256 | 256 | 190 | |||||||||
| 400 AD | 190 | 206 | 206 | 190 | |||||||||
| 500 AD | 190 | 206 | 206 | 190 | |||||||||
| 600 AD | 200 | 206 | 206 | 200 | |||||||||
| 700 AD | 207 | 210 | 207 | 210 | |||||||||
| 800 AD | 220 | 224 | 224 | 220 | |||||||||
| 900 AD | 226 | 240 | 226 | 240 | |||||||||
| 1000 AD | 254 | 345 | 254 | 275 | 345 | 265 | 310 | ||||||
| 1100 AD | 301 | 320 | 301 | 320 | |||||||||
| 1200 AD | 360 | 450 | 400 | 450 | 360 | ||||||||
| 1250 AD | 400 | 416 | 416 | 400 | |||||||||
| 1300 AD | 360 | 432 | 432 | 360 | 400 | ||||||||
| 1340 AD | 443 | 443 | |||||||||||
| 1400 AD | 350 | 374 | 374 | 350 | |||||||||
| 1500 AD | 425 | 540 | 460 | 440 | 540 | 425 | 500 | ||||||
| 1600 AD | 545 | 579 | 579 | 545 | |||||||||
| 1650 AD | 470 | 545 | 500 | 545 | 500 | 470 | 545 | ||||||
| 1700 AD | 600 | 679 | 679 | 610 | 600 | ||||||||
| 1750 AD | 629 | 961 | 770 | 735 | 805 | 795 | 720 | 700 | 629 | 961 | 790 | ||
| 1800 AD | 813 | 1,125 | 954 | 900 | 900 | 813 | 1,125 | 980 | |||||
| 1850 AD | 1,128 | 1,402 | 1,241 | 1,265 | 1,200 | 1,200 | 1,128 | 1,402 | 1,260 | ||||
| 1900 AD | 1,550 | 1,762 | 1,633 | 1,650 | 1,710 | 1,656 | 1,625 | 1,600 | 1,550 | 1,762 | 1,650 | ||
| 1910 AD | 1,750 | 1,750 | |||||||||||
| 1920 AD | 1,860 | 1,860 | |||||||||||
| 1930 AD | 2,070 | 2,070 | |||||||||||
| 1940 AD | 2,300 | 2,300 | |||||||||||
| 1950 AD | 2,400 | 2,556 | 2,527 | 2,516 | 2,500 | 2,400 | 2,486 | 2,520 | 2,556 | ||||
Sources:
Biraben, Jean-Noel, 1980, An Essay Concerning Mankind's Evolution,
Population, Selected Papers, December, table 2.
Durand, John D., 1974, "Historical Estimates of World Population: An Evaluation,"
University of Pennsylvania, Population Center,
Analytical and Technical Reports, Number 10, table 2.
Haub, Carl, 1995, "How Many People Have Ever Lived on Earth?"
Population Today, February, p. 5.
McEvedy, Colin and Richard Jones, 1978, "Atlas of World Population History,"
Facts on File, New York, pp. 342-351.
Thomlinson, Ralph, 1975, "Demographic Problems, Controversy Over Population Control,"
Second Edition, Table 1.
United Nations (UN), 1973, The Determinants and Consequences of
Population Trends, Population Studies, No. 50., p.10.
United Nations, 1999, The World at Six Billion, Table 1, "World Population From"
Year 0 to Stabilization, p. 5,
http://www.un.org/esa/population/publications/sixbillion/sixbilpart... 
longdesc="This link to a non-federal Web site does not imply endorsement of any particular product, company, or content."
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U.S. Census Bureau (USCB), 2008, "Total Midyear Population for the World: 1950-2050",
Data updated 12-15-2008,
http://www.census.gov/ipc/www/idb/worldpop.html
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