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Geospatial Analysis to Support Urban Planning in BeijingParcel Direction: A New Indicator for Spatiotemporally Measuring Urban Form

Geospatial Analysis to Support Urban Planning in Beijing: Parcel Direction: A New Indicator for... [The parcel direction, as a spatial index to evaluate the urban form, is paid less attention in urban morphology domain. In this chapter we proposed a new indicator “parcel direction (PD)” to evaluate the urban form quantitatively. The PD indicates the direction of the longest edge of a polygon parcel in our definition. The approach for calculating the PD based on Geographical Information System (GIS) and how to measure urban form spatiotemporally using the PD were elaborated in this chapter. A case study was conducted for planned parcels, expected to be realized in 2020, in the Detailed Planning of the Beijing Central Metropolitan Area. With respect to spatial dimension, we measured urban form in three scales, namely the parcel, zone and region scales, respectively. With respect to temporal dimension, we calculated the PD of the historical urban form of Beijing in 1949, followed with the comparison of the historical and planned forms using our proposed PD. Hereby, to what extent the planned urban form inherits the historical urban form can be identified via comparing the PD index of two forms in various stages. The PD as a new indicator is proved to be capable to measure urban form spatiotemporally in our case study, and has its implication for urban form evaluation.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Geospatial Analysis to Support Urban Planning in BeijingParcel Direction: A New Indicator for Spatiotemporally Measuring Urban Form

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References (7)

Publisher
Springer International Publishing
Copyright
© Springer International Publishing Switzerland 2015
ISBN
978-3-319-19341-0
Pages
69 –89
DOI
10.1007/978-3-319-19342-7_4
Publisher site
See Chapter on Publisher Site

Abstract

[The parcel direction, as a spatial index to evaluate the urban form, is paid less attention in urban morphology domain. In this chapter we proposed a new indicator “parcel direction (PD)” to evaluate the urban form quantitatively. The PD indicates the direction of the longest edge of a polygon parcel in our definition. The approach for calculating the PD based on Geographical Information System (GIS) and how to measure urban form spatiotemporally using the PD were elaborated in this chapter. A case study was conducted for planned parcels, expected to be realized in 2020, in the Detailed Planning of the Beijing Central Metropolitan Area. With respect to spatial dimension, we measured urban form in three scales, namely the parcel, zone and region scales, respectively. With respect to temporal dimension, we calculated the PD of the historical urban form of Beijing in 1949, followed with the comparison of the historical and planned forms using our proposed PD. Hereby, to what extent the planned urban form inherits the historical urban form can be identified via comparing the PD index of two forms in various stages. The PD as a new indicator is proved to be capable to measure urban form spatiotemporally in our case study, and has its implication for urban form evaluation.]

Published: May 14, 2015

Keywords: Urban morphology; Spatial metrics; Planning evaluation; Spatiotemporal; Beijing

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