A new software tool for SVF calculations using building and tree-crown databases

Urban Climate

Volumn 10, Issue P3, 2014, Pages 594-606

  Gal T ^a   Unger, J ^a  

^a UNIVERSITY OF SZEGED   (Hungary)

Author keywords

Buildings and trees; Hungary; Sky View Factor; Szeged; Urban climate; Urban geometry

Indexed keywords

EID: 84927957964     PISSN: 22120955     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.uclim.2014.05.004     Document Type: Article

References (29)

1. Aurenhammer F. Voronoi diagrams - a survey of fundamental geometric data structure. ACM Comput. Surv. 1991, 23:345-405.
2. Chen L., Ng E., An X., Ren C., Lee M., Wang U., He Z. Sky view factor analysis of street canyons and its implications for daytime intra-urban air temperature differentials in high-rise, high-density urban areas of Hong Kong: a GIS-based simulation approach. Int. J. Climatol. 2012, 32:121-136.
3. Eliasson I. Urban nocturnal temperatures, street geometry and land use. Atmos. Environ. 1996, 30:379-392.
4. Fábian, P.Á., 2012. Derivation of tree-crown database using spectral and height information in an urban area (in Hungarian), MSc thesis, University of Szeged, Szeged, Hungary.
5. Gál, T., Unger, J., 2012. Surface geometry mapping for SVF calculation in urban areas. In: Proceeding of 8th Conference on Urban Climate, Dublin, p. 168.
6. Gál T., Rzepa M., Gromek B., Unger J. Comparison between Sky View Factor values computed by two different methods in an urban environment. Acta Climatol. et Chorol. Univ. Szegediensis 2007, 40-41:17-26.
7. Gál T., Lindberg F., Unger J. Computing continuous sky view factor using 3D urban raster and vector databases: comparison and an application for urban climate. Theoret. Appl. Climatol. 2009, 95:111-123.
8. Gál, T., Unger, J., Kiss, M., 2013. An automatic method to create an urban vegetation database using 4 band aerial photographs for Sky View Factor calculation - a case study in Szeged, Hungary. In: Proceeding of Two Hundred Years of Urban Meteorology in the Heart of Florence: International Conference on Urban Climate and History of Meteorology.
9. Hämmerle M., Gál T., Unger J., Matzarakis A. Comparison of models calculating the sky view factor used for urban climate investigations. Theoret. Appl. Climatol. 2011, 105:521-527.
10. Konarska J., Lindberg F., Larsson A., Thorsson S., Holmer B. Transmissivity of solar radiation through crowns of single urban trees - application for outdoor thermal comfort modelling. Theor. Appl. Climatol 2013, 10.1007/s00704-013-1000-3.
11. Landsberg H.E. The Urban Climate 1981, Academic Press, New York.
12. Lillesand T.M., Kiefer R.W. Remote Sensing and Image Interpretation 1987, 705. J. Wiley & Sons.
13. Lindberg F. Modelling the urban climate using a local governmental geo-database. Meteorol. Appl. 2007, 14:263-273.
14. Lindberg F., Grimmond C.S.B. Continuous sky view factor maps from high resolution urban digital elevation models. Clim. Res. 2010, 42:177-183.
15. Lindberg F., Holmer B., Thorsson S. SOLWEIG 1.0 - modelling spatial variations of 3D radiant fluxes and mean radiant temperature in complex urban settings. Int. J. Biometeorol. 2008, 52:697-713.
16. Masson V. A physically based scheme for the urban energy budget in atmospheric models. Bound. Layer Meteorol. 2000, 94:357-397.
17. Matzarakis A., Matuschek O. Sky View Factor as a parameter in applied climatology - rapid estimation by the SkyHelios model. Meteorol. Z. 2010, 20:39-45.
18. Oke T.R. Canyon geometry and the nocturnal urban heat island: comparison of scale model and field observations. J. Climatol. 1981, 1:237-254.
19. Oke T.R. Boundary Layer Climates 1987, Routledge, London and New York.
20. Oke T.R. Street design and urban canopy layer climate. Energy Build. 1988, 11:103-113.
21. Ratti, C.F., Richens, P., 1999. Urban texture analysis with image processing techniques. In: Proc CAADFutures99, Atlanta, GA, pp. 49-64.
22. Rzepa, M., Gromek, B., 2006. Variability of sky view factor in the main street canyon in the center of Łódź. In: Preprints Sixth Int. Conf. on Urban Climate, Göteborg, Sweden, pp. 854-857.
23. Souza L.C.L., Rodrigues D.S., Mendes J.F.G. The 3DSkyView extension: an urban geometry access tool in a geographical information system. Proceed. Fifth Int. Conf. on Urban Climate 2003, vol. 2:413-416. University of Lodz, Lodz, Poland.
24. Stewart I.D., Oke T.R. Local Climate Zones for urban temperature studies. Bull. Am. Meteorol. Soc. 2012, 93:1879-1900.
25. Svensson M. Sky view factor analysis - implications for urban air temperature differences. Meteorol. Appl. 2004, 11:201-211.
26. Unger J. Comparisons of urban and rural bioclimatological conditions in the case of a Central-European city. Int. J. Biometeorol. 1999, 43:139-144.
27. Unger J. Connection between urban heat island and sky view factor approximated by a software tool on a 3D urban database. Int. J. Environ. Pollut. 2009, 36:59-80.
28. Upmanis H., Chen D.L. Influence of geographical factors and meteorological variables on nocturnal urban-park temperature differences - a case study of summer 1995 in Göteborg, Sweden. Clim. Res. 1995, 13(1999):125-139.
29. Watson I.D., Johnson G.T. Graphical estimation of sky view-factors in urban environments. J. Climatol. 1987, 7:193-197.