Green Roof Rainwater Management

Green roofs the key hydrological mechanism for interception storage and filtration of water the use of any technique or approach that reduces the rate and volume of rainwater runoff has the potential to contribute to better management of the overall quality of rainwater.

Green roof rainwater management.

Green city resources is a cincinnati northern kentucky based woman owned landscaping company specializing in the design installation and maintenance of stormwater management systems. Stormwater management is the implementation of the green roof systems. Eco rainwater solution s philosophy is simple. The volume of water that can be harvested is reduced.

The use of any technique or approach that reduces the rate and volume of rainwater runoff has the potential to contribute to better management of the overall quality of rainwater. Referencing the language manage on site the runoff from the developed site using low impact development lid and green infrastructure we considered a series of lid strategies. Up to 75 of rainfall is absorbed by an extensive living roof and up to 90 is absorbed by an intensive green roof system. Excess water drips from the roof gradually so drains are not overwhelmed by a sudden deluge.

Green roof bioretention vegetated roofing roof garden rainwater collection and rainwater harvesting and sustainable site development. Furthermore it is possible utilise rainwater harvestingof a green roof contrary to claims from other industries. Thereby eliminating untreated and contaminated runoff into the waterways and eliminating costly water treatment facilities. Green roofs can be effective in both urban and rural areas as a solution to managing rainwater drainage.

One approach that is used more and more frequently in the management of rainwater i e. Green roof and contiguous planted areas above grade and directing all roof drainage to a primary raingarden bioswale with significant depth 2 4 on the north side of the building. Green roof systems are one of the best ways to manage stormwater runoff by reducing and delaying. Green roofs the key hydrological mechanism for interception storage and filtration of water.

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. In fact it is quite common to harvest water from green roofs in germany and switzerland. However there are two issues. Second the green roof is a dynamic water flow system that has the ability to capture retain and release rainwater.