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permaculture - Re: [permaculture] guesstimating rainwater runoff on green roof

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  • From: Guilherme Neves Castagna <guilherme@permacultura.org.br>
  • To: Lista Permaculture <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] guesstimating rainwater runoff on green roof
  • Date: Sun, 16 Dec 2007 08:17:23 -0200

Hi there Paul,

Thanks for your message mate. I found two articles that shed a somewhat specific perspective on the theme. Hope it's of good use for you and the folks @ your local Eco-building Guild.

Rainwater runoff quantity and quality performance from a greenroof: The effects of short-term events
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VFB-4N6NHG4-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=b190fe4c53b0a2776293792d24e4de3e

Green roofs as a tool for solving the rainwater runoff problem in the urbanized 21st century? Jeroen Mentens, Dirk Raes, Martin Hermy
http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6VFB-4N6NHG4-1-1&_cdi=6006&_user=10&_orig=search&_coverDate=07%2F02%2F2007&_sk=999699996&view=c&wchp=dGLbVzz-zSkWW&md5=8d9d012227de625869becef0e1b8c7f5&ie=/sdarticle.pdf


Um abraço from Brazil,

--
Gui Castagna - Design Ecológico
fone/fax: +55 (12) 3832-1476
celular: +55 (12) 9702-9203
Ubatuba/SP
Brasil

Web: www.livrariatapioca.net +
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Skype: guilherme.castagna


Message: 18
Date: Fri, 14 Dec 2007 20:46:58 -0800
From: Paul Cereghino <paul.cereghino@comcast.net>
Subject: Re: [permaculture] guesstimating rainwater runoff on green
roof
To: permaculture <permaculture@lists.ibiblio.org>
Message-ID: <47635C42.3040109@comcast.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed


> Does anyone have any reference or estimate of runoff % on green roofs?
> >

Our local eco-building guild is working toward monitoring several
projects... they put their proposed methods online and they dig in
pretty deep... looking at change of discharge per rainfall event between
green roof and control.

You could also talk more in terms of 'potential storage' and compare
'field capacity' soil to dry soil for the volume of the roof.

http://www.ecobuilding.org/chapters/central_puget_sound/green_roof_project/monitoring


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