A Mass Balance Model for Designing Green Roof Systems that Incorporate a Cistern for Re-Use
Abstract
:1. Introduction
2. Methodology for Estimating Retention of Water
3. Results and Discussion
3.1. The Filtrate Factor and ET
Month | C1 | C2 | EVR1 | EVR2 |
---|---|---|---|---|
July 2005 | 0.51 (0.02)^ | 0.00* | 4.32 (0.17) | 4.06 (0.16) |
August 2005 | 0.00* | 0.51 (0.02)^ | 3.56 (0.14) | 3.56 (0.14) |
September 2005 | 0.00* | 0.00* | 3.56 (0.14) | 3.30 (0.13) |
October 2005 | 0.00* | 0.25 (0.01)^ | 2.54 (0.10) | 2.29 (0.09) |
November 2005 | 0.00* | 0.00* | 2.29 (0.09) | 2.29 (0.09) |
December 2005 | 0.00* | 0.00* | 2.03 (0.08) | 2.03 (0.08) |
Jananuary 2006 | 0.00* | 0.25 (0.01)^ | 2.29 (0.09) | 2.54 (0.10) |
Feberary 2006 | 0.00* | 0.00* | 2.54 (0.10) | 2.54 (0.10) |
March 2006 | 0.00*+ | 0.00*+ | 3.05 (0.12) | 3.05 (0.12) |
April 2006 | 0.00* | 0.00* | 3.81 (0.15) | 3.56 (0.14) |
May 2006 | 0.00* | 0.51 (0.02)^ | 3.30 (0.13) | 3.30 (0.13) |
June 2006 | 0.00* | 0.76 (0.03)^ | 4.32 (0.17) | 4.32 (0.17) |
Month | C1 | C2 | EVR1 | EVR2 |
---|---|---|---|---|
July 2005 | 0.96 | 0.91 | 0.52 | 0.56 |
August 2005 | 0.94 | 0.88 | 0.39 | 0.40 |
September 2005 | 0.98 | 1.00 | 0.52 | 0.55 |
October 2005 | 0.97 | 0.94 | 0.55 | 0.59 |
November 2005 | 0.94 | 0.78 | 0.40 | 0.38 |
December 2005 | 0.98 | 0.82 | 0.58 | 0.57 |
Jananuary 2006 | 0.86 | 0.71 | 0.45 | 0.42 |
Feberary 2006 | 0.98 | 0.87 | 0.45 | 0.44 |
March 2006 | NA+ | NA+ | 0.19 | 0.17 |
April 2006 | 0.97 | 0.83 | 0.14 | 0.16 |
May 2006 | 0.99 | 0.81 | 0.27 | 0.30 |
June 2006 | 0.99 | 0.84 | 0.44 | 0.47 |
3.2. Continuous Stormwater Treatment Outflow Reduction Model (CSTORM) Development
3.2.1. Mass Balance
3.2.2. CSTORM Model Output
Location | Cistern Storage Volume (mm (inch) over GR area) | |||||
---|---|---|---|---|---|---|
0 | 25.4 (1) | 50.8 (2) | 76.2 (3) | 101.6 (4) | 127 (5) | |
Austin, TX | 25% | 65% | 77% | 83% | 87% | 90% |
Miami, FL | 42% | 63% | 69% | 73% | 76% | 78% |
Orlando, FL | 43% | 69% | 78% | 82% | 85% | 87% |
Tallahassee, FL | 35% | 58% | 66% | 70% | 72% | 74% |
4. Conclusions
5. Recommendations for Future Work
Acknowledgments
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Hardin, M.; Wanielista, M.; Chopra, M. A Mass Balance Model for Designing Green Roof Systems that Incorporate a Cistern for Re-Use. Water 2012, 4, 914-931. https://doi.org/10.3390/w4040914
Hardin M, Wanielista M, Chopra M. A Mass Balance Model for Designing Green Roof Systems that Incorporate a Cistern for Re-Use. Water. 2012; 4(4):914-931. https://doi.org/10.3390/w4040914
Chicago/Turabian StyleHardin, Mike, Martin Wanielista, and Manoj Chopra. 2012. "A Mass Balance Model for Designing Green Roof Systems that Incorporate a Cistern for Re-Use" Water 4, no. 4: 914-931. https://doi.org/10.3390/w4040914
APA StyleHardin, M., Wanielista, M., & Chopra, M. (2012). A Mass Balance Model for Designing Green Roof Systems that Incorporate a Cistern for Re-Use. Water, 4(4), 914-931. https://doi.org/10.3390/w4040914