Base-year floor space data are essential for integrated land use transport models. This information has traditionally been estimated on the basis of limited population or employment data provided by the census, with unknown accuracy. Advances in geographic information systems (GIS) and remote sensing technology enable the accuracy of this conventional method to be evaluated with geographic data of high precision. This study assessed the accuracy of the census-based approach in estimating base-year floor space data; the paper describes the use of a hybrid method that combines lidar and geographic vector data (referred to as the “lidar-GIS method”) to develop a ground truth building floor space database for the City of Fredericton, New Brunswick, Canada. A ground survey proved that the developed ground truth building data set provided highly accurate estimates of building heights, footprint areas, and therefore floor space. Through a case study, the floor space at the dissemination area level estimated with the traditional census-based method was compared with the floor space estimated with the lidar-GIS method for various land use categories. The results showed that for the residential floor space estimation, the average absolute percentage error of the census-based approach was 15%. The accuracy of the conventional method was much lower for nonresidential land use categories, with average errors of 50% or higher. These statistics indicate that the traditional census-based approach is unreliable and inaccurate for use in the estimation of base-year floor space and suggests that a method that incorporates the above-mentioned modern information technologies be used.


    Zugriff

    Download

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Estimation of Base-Year Floor Space Data


    Untertitel :

    Comparison of Census-Based and Lidar–Geographic Information System Approaches


    Weitere Titelangaben:

    Transportation Research Record: Journal of the Transportation Research Board


    Beteiligte:
    Shiravi, Sajad (Autor:in) / Zhong, Ming (Autor:in) / Beykaei, Seyed Ahad (Autor:in) / Hosseini, Faranak (Autor:in)


    Erscheinungsdatum :

    04.04.2019




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Raised floor movable supporting base and raised floor

    HUANG GUILAN / DENG YANGXI / LIANG JUANHUA et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    MAT BASE AND FLOOR MAT

    SATO KATSUYUKI | Europäisches Patentamt | 2021

    Freier Zugriff

    BASE FLOOR PART, REPLACEMENT FLOOR, MODULAR SYSTEM AND METHOD FOR ENLARGING A REAR CARGO SPACE OF A MOTOR VEHICLE

    BARTOS MIROSLAV / HUISL MAREK | Europäisches Patentamt | 2022

    Freier Zugriff

    Base floor part, replacement floor, modular system and method for enlarging a rear cargo space of a motor vehicle

    BARTOS MIROSLAV / HUISL MAREK | Europäisches Patentamt | 2023

    Freier Zugriff

    BASE FLOOR PART, REPLACEMENT FLOOR, MODULAR SYSTEM AND METHOD FOR ENLARGING A REAR CARGO SPACE OF A MOTOR VEHICLE

    BARTOS MIROSLAV / HUISL MAREK | Europäisches Patentamt | 2022

    Freier Zugriff