Roof-top Runoff Jinya Yamakawa.

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Presentation transcript:

Roof-top Runoff Jinya Yamakawa

background Nyc sewer system is 6600 miles First modern sewage treatment plant in the us : late 19th century each year snow and rain end up as billions of gallons

structure

What’s the issue? Health issues Beach closings Swimming/fishing advisories Habitat degradation

What’s the cause? The High volume amount of water that is released into our water system too quickly with each rainfall Impervious surfaces such as concrete or asphalt prevent water from naturally The water picks up polluted materials from the surface

Green roofs A rooftop filled with vegetation and a growing medium. Provides insulation, a wildlife habitat and absorbs water.

Water barrels Stores rain water Provides water storage, recycling water, prevents sewage contamination.

other solutions Revise state/local regulations to encourage green roof infrastructures. Re-construct all piping's under the asphalt/concrete/buildings. Develop infrastructures with green roofs pre-installed.

citations Abolt, Bill, and Bob Newport. "Rooftops to Rivers: Aurora, Illinois' Use of Green Infrastructure in Riverfront Cleanup and Urban Redevelopment." Proceedings of the Water Environment Federation 2008, no. 6 (2008): 58-76. doi:10.2175/193864708790894629. "Sewage Disposal in New York." Journal of Industrial & Engineering Chemistry 5, no. 12 (1913): 1028. doi:10.1021/ie50060a036. Kloss, Christopher, and Crystal Calarusse. "Rooftops to Rivers." NRDC. https://www.nrdc.org/sites/default/files/rooftops.pdf. Geraghty, James J. "Ground-Water Problems In The New York City Area." Annals of the New York Academy of Sciences 80, no. 4 (2006): 1049-059. doi:10.1111/j.1749- 6632.1959.tb49279.x.