Queensland Guidelines for the provision of tree shade on suburban nature-strips
Project report
Downs, Nathan. 2022. Queensland Guidelines for the provision of tree shade on suburban nature-strips. Toowoomba, Australia. University of Southern Queensland.
| Title | Queensland Guidelines for the provision of tree shade on suburban nature-strips |
|---|---|
| Report Type | Project report |
| Authors | |
| Author | Downs, Nathan |
| Institution of Origin | University of Southern Queensland |
| Number of Pages | 33 |
| Year | 2022 |
| Publisher | University of Southern Queensland |
| Place of Publication | Toowoomba, Australia |
| Abstract | This report presents all data collected between June to September 2022 for the University of Southern Queensland Sponsored Research Agreement – USQ1061432022. A total of 100 publicly accessible footpaths were surveyed. Measurements taken at a spacing of 10 m along each street are presented for an approximate linear footpath length of 100 m. These are indicated in the report by street identification number (1 to 100) and survey site identifiers (a,b,c,d,e,f,g,h,i,j). Site measurements include Whole Sky Images (WSI) for the full 180o sky field of view, the Ultraviolet Protection Factor (UPF) measured using a handheld radiometer (Solar Light Co, Model 3D), and the ambient wet and dry bulb temperature. Locations of site measurements are shown in aerial maps listed in the results. Aerial maps of each street were sourced from Google Maps Imagery (© CNES/Airbus, Maxar Technologies, Map data © 2022) and were used to measure the approximate spacing, typical height and canopy diameter of trees located within a street. Analysis of solar ultraviolet protection characteristics of each survey site were made according to the WSI hemispherical analysis methodology of Downs et al. (2019). These results are presented as the site Shade Protection Index (SPI). The SPI represents the solar ultraviolet protection at a measurement site due to trees and surrounding surfaces objects. It is expressed as the ratio of the available ambient ultraviolet exposure to the site ultraviolet exposure expected over a full day from 5:00 am to 7:00 pm. SPI analysis is made for both winter (21 June) and summer (21 December), presenting the expected maximum annual range in daily UV protection at every site on every surveyed street and pathway. Recommendations on linear planting distance, ideal canopy diameter, and tree height are drawn from the collective analysis of all 100 street surveys. These optimal characteristics are used to develop an understanding of local tree species encountered during the survey that are likely to provide optimal protection from solar ultraviolet radiation in winter and summer. |
| Keywords | tree, shade, SPI, Brisbane, Ipswich |
| ANZSRC Field of Research 2020 | 429999. Other health sciences not elsewhere classified |
| 419999. Other environmental sciences not elsewhere classified | |
| Byline Affiliations | Centre for Applied Climate Sciences |
| Funding source | Grant ID USQ1061432022 |
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A Jebar, Mustapha A., Parisi, Alfio V., Downs, Nathan J. and Turner, Joanna F.. 2017. "Validation of ozone monitoring instrument UV satellite data using spectral and broadband surface based measurements at a Queensland site." Photochemistry and Photobiology. 93 (5), pp. 1289-1293. https://doi.org/10.1111/php.12784Solar ultraviolet and the occupational radiant exposure of Queensland school teachers: a comparative study between teaching classifications and behavior patterns
Downs, Nathan J., Harrison, Simone L., Garzon Chavez, Daniel R. and Parisi, Alfio V.. 2016. "Solar ultraviolet and the occupational radiant exposure of Queensland school teachers: a comparative study between teaching classifications and behavior patterns." Journal of Photochemistry and Photobiology, B: Biology. 158, pp. 105-112. https://doi.org/10.1016/j.jphotobiol.2016.02.018Dual calibrated dosimeter for simultaneous measurements of erythemal and vitamin D effective solar ultraviolet radiation
Wainwright, L., Parisi, A. V. and Downs, N.. 2016. "Dual calibrated dosimeter for simultaneous measurements of erythemal and vitamin D effective solar ultraviolet radiation." Journal of Photochemistry and Photobiology, B: Biology. 157, pp. 15-21. https://doi.org/10.1016/j.jphotobiol.2016.02.003Concurrent evaluation of personal damaging and beneficial UV exposures over an extended period
Wainwright, L. K., Parisi, A. V. and Downs, N. J.. 2017. "Concurrent evaluation of personal damaging and beneficial UV exposures over an extended period." Journal of Photochemistry and Photobiology, B: Biology. 170, pp. 188-196. https://doi.org/10.1016/j.jphotobiol.2017.04.013Comparison of GOME-2 UVA satellite data to ground-based spectroradiometer measurements at a subtropical site
Parisi, Alfio V., Downs, Nathan, Turner, Joanna and King, Rachel. 2017. "Comparison of GOME-2 UVA satellite data to ground-based spectroradiometer measurements at a subtropical site." IEEE Transactions on Geoscience and Remote Sensing. 55 (6), pp. 3145-3149. https://doi.org/10.1109/TGRS.2017.2662714Educating the younger generation (and the public) in UV effects with a simple experiment
Turner, Joanna, Parisi, Alfio V. and Downs, Nathan. 2013. "Educating the younger generation (and the public) in UV effects with a simple experiment." Byrne, Scott and Chen, Min (ed.) 6th Asia & Oceania Conference on Photobiology (AOCP 2013): Life on a Sun-Drenched Planet. Sydney, Australia 10 - 13 Nov 2013In-situ measurements of solar exposure distribution on a coral reef: preliminary findings relating to reef aspect, water turbidity and dosimeter design
Downs, N. J., Schouten, P. W. and Parisi, A. V.. 2016. "In-situ measurements of solar exposure distribution on a coral reef: preliminary findings relating to reef aspect, water turbidity and dosimeter design." 13th International Coral Reef Symposium. Honolulu, Hawaii 19 - 24 Jun 2016Solar ultraviolet attenuation during the Australian (Red Dawn) dust event of 23 September 2009
Downs, Nathan, Butler, Harry and Parisi, Alfio. 2016. "Solar ultraviolet attenuation during the Australian (Red Dawn) dust event of 23 September 2009." Bulletin of the American Meteorological Society. 97 (11), pp. 2039-2050. https://doi.org/10.1175/BAMS-D-15-00053.1Characterization of cloud cover with a smartphone camera
Parisi, A. V., Downs, N., Igoe, D. and Turner, J.. 2016. "Characterization of cloud cover with a smartphone camera." Instrumentation Science and Technology. 44 (1), pp. 23-34. https://doi.org/10.1080/10739149.2015.1055577Solar radiation and the UV index: an application of numerical integration, trigonometric functions, online education and the modelling process
Downs, Nathan, Parisi, Alfio, Galligan, Linda, Turner, Joanna, Amar, Abdurazaq, King, Rachel, Ultra, Filipina and Butler, Harry. 2016. "Solar radiation and the UV index: an application of numerical integration, trigonometric functions, online education and the modelling process." International Journal of Research in Education and Science. 2 (1), pp. 179-189.