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Related Concept Videos

Migration00:53

Migration

Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
Distribution and Dispersion00:54

Distribution and Dispersion

Ecology is the study of how organisms interact with their environment and with one another. An important aspect of ecology is understanding where species are found and how individuals are distributed within those areas. The geographic range of a species refers to the total area where its members are located, while dispersion describes the pattern of spacing of individuals within that range.Geographic Range and Dispersion PatternsWithin a species’ geographic range, individuals may be distributed...
Thematic Layering in GIS01:30

Thematic Layering in GIS

In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
Levels of Use of a GIS01:29

Levels of Use of a GIS

Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
Selected Data About Geographic Locations01:25

Selected Data About Geographic Locations

Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
Manipulation and Analysis01:21

Manipulation and Analysis

GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...

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Related Experiment Video

Updated: Jul 10, 2026

Trajectory Data Analyses for Pedestrian Space-time Activity Study
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Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

Spatial chain patterns of intra-urban migration.

Y Murayama, T Inoue, Y Hashimoto

    Geographia Polonica
    |January 1, 1997
    PubMed
    Summary

    This study tracks individual resident movements in Yokkaichi, Japan, revealing spatial patterns in intra-urban migration. It analyzes relocation timing and stationary periods over 15 years to understand migration regularity.

    Keywords:
    Age FactorsAsiaDemographic FactorsDeveloped CountriesEastern AsiaFamily And HouseholdFamily ResearchGeographic FactorsJapanLife CycleMigrationMigration, InternalPopulationPopulation CharacteristicsPopulation DynamicsSpatial DistributionTime FactorsUrban Spatial Distribution

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    Area of Science:

    • Urban studies
    • Human geography
    • Spatial analysis

    Background:

    • Intra-urban migration is a complex phenomenon often studied at aggregate levels.
    • Understanding individual migration patterns provides granular insights into urban dynamics.
    • Previous research has not fully captured the non-aggregate, chain-type migration of residents over extended periods.

    Purpose of the Study:

    • To quantitatively analyze individual chain-type migration patterns within Yokkaichi, Japan.
    • To determine the spatial regularity of intra-urban migration based on individual movement histories.
    • To investigate the influence of age and stationary periods on residential relocation.

    Main Methods:

    • Quantitative analysis of individual residential movement data over 15 years.
    • Tracking chain-type migration pathways for all residents in the study area.
    • Statistical examination of age at relocation and intervals between movements (stationary periods).

    Main Results:

    • Identified distinct spatial regularities in individual intra-urban migration chains.
    • Revealed specific age groups and stationary period durations associated with higher relocation frequency.
    • Demonstrated the utility of non-aggregate analysis for understanding migration dynamics.

    Conclusions:

    • Individual migration behavior exhibits predictable spatial patterns within urban environments.
    • Age and the duration of residence significantly influence the timing and frequency of residential moves.
    • Non-aggregate, longitudinal data analysis is crucial for a comprehensive understanding of intra-urban migration.