Green Roof Method Of Rainwater Harvesting

In rooftop rainwater harvesting the rainwater is captured from the roof and directed downwards through a rainwater pipe into a water storage tank or a container.

Green roof method of rainwater harvesting.

Greenroofs are a best management practice in reducing and delaying stormwater runoff. Effectively a living green roof is covering the roof with an absorbent layer. Rooftop rainwater harvesting systems are useful for augmenting the water systems in both urban and rural areas and they are excellent for use in arid and semi arid areas where traditional water sources are not readily available. Extensive green roofs potsdammer platz berlin rainwater harvesting.

Types of rainwater harvesting. Contrary to the other systems above which collects the rainwater into a storage container a green roof system doesn t. There have been many studies on green roofs and water quality around the world. Rainwater harvesting represents an alternative water supply that captures and stores rainwater for later use.

Looking at buildings we can slow the rate of rainwater runoff from roofs with the use of green roofs. Rainwater harvesting can be classified into rooftop rainwater harvesting and surface runoff harvesting. Water collected in storage tank s pumped to an elevated cistern and then fed by gravity to the points of use. Normally water is collected from building roofs and stored in dedicated water tanks.

A typical green roof build up consists of standard waterproofing a drainage layer and a layer of growing medium which the planting grows into. In fact it is quite common to harvest water from green roofs in germany and switzerland. Water from the roof flows from this disconnected downspout into the ground through a filter of pebbles. Water collected in storage tank s and pumped directly to points of use.

Water collected in storage tank s and fed by gravity to points of use. The harvesting of rainwater is as simple as collecting water from surfaces on which rain falls and subsequently storing this water for later use. With this system it is set in a way that it takes the rainwater directly to your plants. Green roof technology is improving all the time.

Green roof there is another method of rainwater harvesting that cuts out the middleman so to speak. There are three main types of rainwater harvesting system. Rather than collect the rainwater in a storage unit then divert it to the garden you could institute a green roof on your property so that plants can utilize the water immediately.