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http://dx.doi.org/10.12672/ksis.2014.22.3.089

Representation of Population Distribution based on Residential Building Types by using the Dasymetric Mapping in Seoul  

Lee, Sukjoon (Environmental Planning Institute, Seoul National University)
Lee, Sang Wook (GSES, Seoul National University)
Hong, Bo Yeong (GSES, Seoul National University)
Eom, Hongmin (GSES, Seoul National University)
Shin, Hyu-Seok (Institute for Korean Regional Studies, Seoul National University)
Kim, Kyung-Min (GSES, Seoul National University)
Publication Information
Spatial Information Research / v.22, no.3, 2014 , pp. 89-99 More about this Journal
Abstract
The aim of this study is to represent the residential population distribution in Seoul, Korea more precisely through the dasymetric mapping method. Dasymetric mapping can be defined as a mapping method to calculate details from truncated spatial distribution of main statistical data by using ancillary data which is spatial data related to the main data. In this research, there are two types of data used for dasymetric mapping: the population data (2010) based on a output area survey in Seoul as the main data and the building footprint data including register information as ancillary spatial data. Using the binary method, it extracts residential buildings as actual areas where residents do live in. After that, the regression method is used for calculating the weights on population density by considering the building types and their gross floor areas. Finally, it can be reproduced three-dimensional density of residential population and drew a detailed dasymetric map. As a result, this allows to extract a more realistic calculating model of population distribution and draw a more accurate map of population distribution in Seoul. Therefore, this study has an important meaning as a source which can be applied in various researches concerning regional population in the future.
Keywords
Dasymetric mapping; Chropoleth map; Regression method; Census track population; Building footprint data;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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