March 27 2015 source.
Green roof science experiment.
Researchers have found that green roofs with high vegetation density are 60.
Plants help absorb light and heat and through both photosynthesis and transpiration they help to cool the environment around them.
These benefits are encouraging eco minded homeowners businesses and cities to build green rooftops.
It requires more maintenance costs more and weighs more than an extensive roof but it has more design possibilities and the deeper substrate allows for more plant variety.
While the high installation cost of green roofs sets them back in economic terms their environmental and amenity benefits may at least.
From the results it is proved that vegetated roofs reduced noise frequency by 10 and 20 db.
The science behind these green roofs involves plant cycles such as photosynthesis and transpiration.
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Green roofs mitigate water runoff and sewer overflows.
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Peak discharge occurred first in the lower roof approximately 45 min after the start of flow 195 cumulative minutes from.
Vegetation and soil act as a sponge absorbing and filtering water that would normally plunge down gutters wash through polluted streets and over tax sewer systems.
Photosynthesis also helps improve air quality because plants take in carbon dioxide and release oxygen.
Green roofs have ability to absorb the sound waves and to reduce the sound level as compared to non vegetated roof.
Performed field experiments on green roofs to check the performance of green roof in reducing the noise in urban areas.
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To determine whether bean plants chives or mint leaves will most suitable in a green roof.
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Looking strictly at the economic costs and benefits of three different roof types black white and green or vegetated berkeley lab researchers have found in a new study that white roofs are the most cost effective over a 50 year time span.
Living green roofs have many advantages including providing more space for agriculture adding beauty to the cityscape and increasing the air quality.
During photosynthesis plants remove carbon dioxide from the air and release oxygen.
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A green roof s plants remove air particulates produce oxygen and provide.
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The plant science center features a semi intensive or intermediate green roof which falls between the other two types.