Mapping overlapping community areas
DFG-SNF-Projekt: Räumliche Erreichbarkeiten und die Dynamik der Pendlerverflechtungen in Deutschland und der Schweiz 1970-2005
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Date
2009-05
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Working Paper
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yes
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Abstract
This article focuses on mapping and delineation of commuting areas. Commuting distances and the complexity of commuter flows have increased steadily over the years. A reasonable gener- alisation for the representation of the commuting areas for different purpose is needed. Different cartographic representations, linear and 2-dimensional, overlapping and non-overlapping, are discussed. A commuting area describes a 2-dimensional “sphere of influence” of an urban core. Traditional procedures for delimiting these areas assign each municipality to a single catchment area. One possibility for defining functional areas is the intramax algorithm (FLOWMAP 7.2). This algorithm ignores the overlaps and the differentiation between incoming and outgoing flows. A classical method of transport planners is mapping of interaction where origin and des- tination is connected with a straight line. Alternatively, methods are generating measurable overlapping commuting areas of inflows. Four different stages of, from a morphological to a circular shaped area, are discussed. Additionally, various overlaps between the catchment areas of centres of equal and unequal rank can be determined.
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555
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ETH, Eidgenössische Technische Hochschule Zürich, IVT, Institut für Verkehrsplanung und Transportsysteme
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Subject
TRANSPORT STATISTICS + TRAFFIC CENSUS (TRANSPORTATION AND TRAFFIC); Institute for Transport Planning and Systems (IVT); VERKEHRSSTATISTIK + VERKEHRSZÄHLUNG (VERKEHR UND TRANSPORT); ERREICHBARKEIT (VERKEHR UND TRANSPORT); GERMANY (CENTRAL EUROPE). FEDERAL REPUBLIC OF GERMANY; PENDLER (ARBEIT); ETH Zurich; DEUTSCHLAND (MITTELEUROPA). BUNDESREPUBLIK DEUTSCHLAND; SWITZERLAND (CENTRAL EUROPE). SWISS CONFEDERATION; Overlaps; SCHWEIZ (MITTELEUROPA). SCHWEIZERISCHE EIDGENOSSENSCHAFT; PROFESSIONAL SHUTTLE TRAFFIC; Generalisation; Commuting areas; Cartography; ACCESSIBILITY (TRANSPORTATION AND TRAFFIC)
Organisational unit
03521 - Axhausen, Kay W. (emeritus) / Axhausen, Kay W. (emeritus)
02610 - Inst. f. Verkehrspl. u. Transportsyst. / Inst. Transport Planning and Systems
02226 - NSL - Netzwerk Stadt und Landschaft / NSL - Network City and Landscape
02655 - Netzwerk Stadt u. Landschaft ARCH u BAUG / Network City and Landscape ARCH and BAUG
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Is part of: https://doi.org/10.3929/ethz-b-000020576