Evapotranspiration rates from extensive green roof plant species

Farzaneh Rezaei, A. R. Jarrett, R. D. Berghage, D. J. Beattie

Research output: Contribution to conferencePaper

Abstract

Green roofs have been shown to reduce the stormwater runoff from buildings. In order to model the reduced stormwater effect of green roofs, reliable estimates of ET from the CAM plants is required. Greenhouse controlled environmental conditions were used to measure and predict ET from CAM plants during winter and fall/spring regimes, along with climatic parameters including air temperature, wind speed, radiation and humidity during 21-day periods without rain. The planted boxes evapotranspired 28% and 57% more water to the atmosphere than was evaporated from the unplanted boxes for the winter and spring/fall, respectively. ET for a green roof with CAM plants averaged 0.61 mm/d and 1.12 mm/d for each dry day during the winter and spring/fall season, respectively. The original Penman equation and Penman-Monteith ET models explained the observed ET rates very well with crop coefficients of 0.74 in winter and 1.97 in fall/spring.

Original languageEnglish (US)
StatePublished - Dec 1 2005
Event2005 ASAE Annual International Meeting - Tampa, FL, United States
Duration: Jul 17 2005Jul 20 2005

Other

Other2005 ASAE Annual International Meeting
CountryUnited States
CityTampa, FL
Period7/17/057/20/05

Fingerprint

green roofs
Viridiplantae
Humidity control
Associative storage
Evapotranspiration
Water Supply
Cams
Computer aided manufacturing
Agriculture
Water supply
Roofs
water supply
evapotranspiration
agriculture
stormwater
winter
Rain
Greenhouses
Humidity
Runoff

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)
  • Bioengineering

Cite this

Rezaei, F., Jarrett, A. R., Berghage, R. D., & Beattie, D. J. (2005). Evapotranspiration rates from extensive green roof plant species. Paper presented at 2005 ASAE Annual International Meeting, Tampa, FL, United States.
Rezaei, Farzaneh ; Jarrett, A. R. ; Berghage, R. D. ; Beattie, D. J. / Evapotranspiration rates from extensive green roof plant species. Paper presented at 2005 ASAE Annual International Meeting, Tampa, FL, United States.
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Rezaei, F, Jarrett, AR, Berghage, RD & Beattie, DJ 2005, 'Evapotranspiration rates from extensive green roof plant species' Paper presented at 2005 ASAE Annual International Meeting, Tampa, FL, United States, 7/17/05 - 7/20/05, .

Evapotranspiration rates from extensive green roof plant species. / Rezaei, Farzaneh; Jarrett, A. R.; Berghage, R. D.; Beattie, D. J.

2005. Paper presented at 2005 ASAE Annual International Meeting, Tampa, FL, United States.

Research output: Contribution to conferencePaper

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AU - Jarrett, A. R.

AU - Berghage, R. D.

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PY - 2005/12/1

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Rezaei F, Jarrett AR, Berghage RD, Beattie DJ. Evapotranspiration rates from extensive green roof plant species. 2005. Paper presented at 2005 ASAE Annual International Meeting, Tampa, FL, United States.