The delineation of a national system of planning regions on the basis of urban spheres of influence

Huff, David L.

doi:10.1080/09595237300185321

Cited by 51 publications

(34 citation statements)

References 2 publications

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“…In a functional region, such as a metropolitan area, it is often named after the center, as locations within the region are dominated by, or under the influence of, the center(s). Thus, these regions are under "the spatial influence of cities" ( [6], p. 323).…”

Section: Delineating Boundaries Of Placesmentioning

confidence: 99%

“…Formally, Huff [6] determined the boundary between two places, h and k, by the isoprobability lines, along which P im and P in are the same, where P ij is the probability of an individual in location i traveling to place j, and j can be m and n. Specifically, the probability is defined as follows:…”

Section: Delineating Boundaries Of Placesmentioning

confidence: 99%

“…Triggered by the need to deliver various federal programs more efficiently, the gravity-based model delineated national planning regions using the concept of sphere of influence introduced by Huff [6]. The concept is akin to the market boundary delineation process, which is a function of the distance from market centers and the merchandize available from the centers [7].…”

Section: Introductionmentioning

confidence: 99%

“…363-364). In the urban system context, the central place hierarchical structure is a well-established concept [8,9], and the sphere of influence concept can be used to delineate regions at different levels of the urban hierarchy [6].…”

Section: Introductionmentioning

confidence: 99%

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“Voting with Their Feet”: Delineating the Sphere of Influence Using Social Media Data

Wong

Huang

2017

IJGI

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Delineating regional boundaries for places has a long tradition in geography, urban analysis and regional planning. Its theoretical basis may be traced back to the central place theory. The normative approach, using spatial interaction models, has been used, and the empirical approach, using commuting data, is also popular. While gathering commuting data using traditional methodologies (e.g., surveys) is costly, data capturing people's locations and their thoughts, are widely available through social media platforms. This article demonstrates that Twitter data can be used to delineate boundaries among competing places. A generic approach based on the density of place names mentioned in geo-tagged tweets was proposed to reflect the sphere of influence or dominance of places. Locations with the same levels of influence from competing places constitute the boundaries delineating the regions dominated by the respective places. The method was tested to determine the boundaries between two metropolitan regions, two local cities, and two neighborhoods or communities. Results from these simple case studies demonstrated the validity of the general approach for evaluating existing place boundaries and determining boundaries if they have not been delineated. The method is applicable to different levels of the place hierarchy and has practical values for planning of places of different sizes.

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Section: Delineating Boundaries Of Placesmentioning

confidence: 99%

Section: Delineating Boundaries Of Placesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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“Voting with Their Feet”: Delineating the Sphere of Influence Using Social Media Data

Wong

Huang

2017

IJGI

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“…In the following, the gravity model developed by Huff (1973) to demonstrate graph ically the influence of major towns in the USA on surrounding regions, will be described. This model starts from the assumption that the probability of a person moving from settlement i to settlement / is equal to Sj/Dfj where Sj is the force of attraction of settlement /, the distance between i and y and y an exponent varying with the character of the trip.…”

Section: The Mathematical Features Of the Gravity Model Used In The Imentioning

confidence: 99%

Development of Settlement Systems

Agnew¹,

Enyédi²,

Meszaros³

1982

Journal of Interdisciplinary History

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Ed. by GY. ENYEDI and J. MÉSZÁROSThis volume contains 20 studies, present ed at a British-Hungarian geographical seminar. The studies investigate the evolu tion of a uniform settlement system, the characteristics of urban development, the interaction of geographical environment and settlement system, and the changes in the system of rural settlements. The book calls attention to the fact that the rapid spread of urbanization not only transforms the urban network, but effects rural development, too, and influences the relationship which settlements have to their geographical environment. As a result of these changes, there evolves -instead of the former dichotomy of rural and urban areas -a uniform settle ment system. This joint British-Hungar ian investigation of the above problems is particularly instructive reflecting as it does the numerous differences in the history, social structure, political system and long-term planning of the two coun tries.

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Literaturverzeichnis

Bach¹

1978

Methoden Zur Bestimmung Von Standorten Und Einzugsbereichen Zentraler Einrichtungen

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The delineation of a national system of planning regions on the basis of urban spheres of influence

Cited by 51 publications

References 2 publications

“Voting with Their Feet”: Delineating the Sphere of Influence Using Social Media Data

“Voting with Their Feet”: Delineating the Sphere of Influence Using Social Media Data

Development of Settlement Systems

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