SWMM-USERS Digest - 18 Jan 2012 to 19 Jan 2012 (#2012-5)
SWMM-USERS automatic digest system
Topics of the day:
1. Modeling LID-Bioretention in SWMM (2)
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Date: Thu, 19 Jan 2012 08:53:27 -0800
From: Ian Febrian <IFab...@EXCELENGINEERING.NET>
Subject: Modeling LID-Bioretention in SWMM
Hi all,
I'm modeling a subcatchment acting as a bio-retention in SWMM and I have
3 different subcatchments draining onto that bio-retention. Those 3
subcatchments are linked to a historical rainfall record. My question
is: Is the bio-retention subcatchment suppose to be linked into the same
rain gage as those 2 subcatchments or create a "null" rain gage and link
the bioretention to the "null" rain gage?
Thanks,
Ian Febrian
Excel Engineering
440 State Place
Escondido, CA 92029
Ph. 760-745-8118 Ext. 33
IFeb...@excelengineering.net
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Date: Thu, 19 Jan 2012 12:12:52 -0500
From: Bill Lucas <wlu...@INTEGRATEDLAND.COM>
Subject: Re: Modeling LID-Bioretention in SWMM
Fabian,
Best to add the raingage to the LID controls. After all, they have a
footprint and rain falls on them as well. If you use LID as a separate
catchment (which I recommend), then you should commensurately reduce the
contributing area in which it is located so you don't double count the
rainfall, small as it is in proportion to the runoff treated.
Regards,
Bill L.
-----Original Message-----
From: SWMM-USERS [mailto:SWMM-...@LISTSERV.UOGUELPH.CA] On Behalf Of Ian
Febrian
Sent: Thursday, January 19, 2012 11:53 AM
To: SWMM-...@LISTSERV.UOGUELPH.CA
Subject: [SWMM-USERS] Modeling LID-Bioretention in SWMM
Hi all,
I'm modeling a subcatchment acting as a bio-retention in SWMM and I have
3 different subcatchments draining onto that bio-retention. Those 3
subcatchments are linked to a historical rainfall record. My question
is: Is the bio-retention subcatchment suppose to be linked into the same
rain gage as those 2 subcatchments or create a "null" rain gage and link
the bioretention to the "null" rain gage?
Thanks,
Ian Febrian
Excel Engineering
440 State Place
Escondido, CA 92029
Ph. 760-745-8118 Ext. 33
IFeb...@excelengineering.net
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End of SWMM-USERS Digest - 18 Jan 2012 to 19 Jan 2012 (#2012-5)
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