Computing continuous sky view factors using 3D urban raster and vector databases: comparison and application to urban climate Export

@article{citeulike:6060291, abstract = {Summary\ \ The use of high resolution 3D urban raster and vector databases in urban climatology is presented. It applies two different methods to the calculation of continuous sky view factors (SVF), compares their values and considers their usefulness and limitations in urban climate studies. It shows and evaluates the relationship between urban geometry, quantified by SVF, and intra-urban nocturnal temperature variations using areal means in the whole urban area of Szeged, a city located in southeast Hungary. Results from the vector and raster models shows similar SVF values (r 2 = 0.9827). The usefulness of using areal means in SVF-temperature relations is confirmed. The vector and the raster approaches to the derivation of areal means of SVF are both shown to be powerful tools to obtain a general picture of the geometrical conditions of an urban environment.}, author = {G\'{a}l, T. and Lindberg, F. and Unger, J.}, citeulike-article-id = {6060291}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s00704-007-0362-9}, citeulike-linkout-1 = {http://www.springerlink.com/content/x821031m3p830321}, day = {1}, doi = {10.1007/s00704-007-0362-9}, journal = {Theoretical and Applied Climatology}, keywords = {dem, gis, models, svf, szeged}, month = {January}, number = {1}, pages = {111--123}, posted-at = {2009-11-03 13:53:17}, priority = {0}, title = {Computing continuous sky view factors using 3D urban raster and vector databases: comparison and application to urban climate}, url = {http://dx.doi.org/10.1007/s00704-007-0362-9}, volume = {95}, year = {2009} }

TY - JOUR ID - citeulike:6060291 L3 - citeulike-article-id:6060291 N2 - Summary  The use of high resolution 3D urban raster and vector databases in urban climatology is presented. It applies two different methods to the calculation of continuous sky view factors (SVF), compares their values and considers their usefulness and limitations in urban climate studies. It shows and evaluates the relationship between urban geometry, quantified by SVF, and intra-urban nocturnal temperature variations using areal means in the whole urban area of Szeged, a city located in southeast Hungary. Results from the vector and raster models shows similar SVF values (r 2 = 0.9827). The usefulness of using areal means in SVF-temperature relations is confirmed. The vector and the raster approaches to the derivation of areal means of SVF are both shown to be powerful tools to obtain a general picture of the geometrical conditions of an urban environment. IS - 1 JF - Theoretical and Applied Climatology EP - 123 TI - Computing continuous sky view factors using 3D urban raster and vector databases: comparison and application to urban climate VL - 95 SP - 111 KW - dem KW - gis KW - models KW - svf KW - szeged AU - Gál, T AU - Lindberg, F AU - Unger, J PY - 2009/01/01/ UR - http://dx.doi.org/10.1007/s00704-007-0362-9 ER -