Green Roof System Of Rainwater Harvesting
Green roof systems are one of the best ways to manage stormwater runoff by reducing and delaying.
Green roof system of rainwater harvesting. So for example a 100m2 london roof pitched might send 52m3 of water to the tank per year. By using green roofs as rainwater capture areas the amount of collected water for reuse will be reduced already due to the absorbed amount of water in the system itself. But if it was a green roof this would fall to only 23 3m3. In fact it is quite common to harvest water from green roofs in germany and switzerland.
However you require a liner to shield your roof as well as a drainage system that takes care of the excess runoff. I am responding to the january 31 2010 texas water development board article effect of roof material on water quality for rainwater harvesting systems that has been resurfacing around the internet lately. Rainwater harvesting systems collect and store rainfall for later use. Contrary to the other systems above which collects the rainwater into a storage container a green roof system doesn t.
Rather than the rain running off the roof into the gutter and into the drainage system the tank will catch filter and store this water for non drinking uses allowing us to make use of surface water before it taking up valuable space in our sewer systems. Green city resources is a cincinnati northern kentucky based woman owned landscaping company specializing in the design installation and maintenance of stormwater management systems. However there are two issues. With this system it is set in a way that it takes the rainwater directly to your plants.
We also specializes in healing gardens horticulture therapy gardens and sustainable. A green roof system atop a building. Rainwater harvesting is a very simple process. Extensive green roofs potsdammer platz berlin rainwater harvesting.
Green roofs vegetated roofing roof gardens rain gardens bioretention rainwater collection rain water harvesting. Furthermore it is possible utilise rainwater harvesting of a green roof contrary to claims from other industries. The amount of water available to a rainwater harvesting system is about 90 for pitched roofs and around 75 for flat roofs. Greening solution rainwater drainage system green roofs.
For green or even brown roofs the amount is 40 at best. I am glad the article has been covered so well because it brings concerns to the quality of rainwater and stirs up questions about materials used in each system. When designed appropriately they slow and reduce runoff and provide a source of water.