Nighttime lights and population changes in Europe 1992-2012
Maria Francisca Archila Bustos1, Ola Hall2, Magnus Andersson3
1Department of Human and Economic Geography, Lund University, Sölvegatan 10, 223 62, Lund, Sweden.
Ambio
|March 17, 2015
Summary
Nighttime lights do not always decrease with population decline. Human settlement extent is linked to population age structure and economic factors, not just population size. Declining populations may not reduce land development.
Area of Science:
- * Remote Sensing
- * Human Geography
- * Demography
Background:
- * Nighttime satellite imagery offers insights into human settlement patterns and economic activity.
- * Previous research links nighttime lights to economic development and population, but less is known about their connection to population change over time.
Purpose of the Study:
- * To investigate the relationship between population decline and changes in lighted areas.
- * To explore how population age structure and Gross Domestic Product (GDP) influence nighttime lights.
- * To analyze trends in European human settlement extent from 1992 to 2012.
Main Methods:
- * Utilized nighttime satellite imagery for Europe between 1992 and 2012.
- * Employed Geographic Information System (GIS) for spatial analysis.
- * Applied regression analysis to examine correlations.
Main Results:
- * Population decline was not found to be coupled with a reduction in lighted area.
- * The extent of human settlement showed a stronger correlation with population age structure and GDP.
- * Evidence suggests that decreasing populations do not automatically lead to decreased land development.
Conclusions:
- * Human settlement extent is influenced by demographic composition and economic prosperity, not solely population numbers.
- * Future land development may persist even in regions experiencing population decline.
- * Nighttime lights serve as a complex indicator of human activity beyond simple population counts.
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