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Measuring the size and growth of cities using nighttime light

dc.contributor.authorCh, R.
dc.contributor.authorMartin, D.
dc.contributor.authorVargas, J.
dc.coverage.spatialAmérica Latina y el Caribees_ES
dc.date.accessioned2018-10-01T21:21:34Z
dc.date.available2018-10-01T21:21:34Z
dc.date.issued2018-09-20
dc.identifier.citationCh, R., Martin, D., & Vargas, J. (2018, September 20). Measuring the size and growth of cities using nighttime light. Caracas: CAF. Retrieved from https://scioteca.caf.com/handle/123456789/1279en_GB
dc.identifier.urihttps://scioteca.caf.com/handle/123456789/1279
dc.description.tableofcontentsThis paper uses high-resolution images of nighttime luminosity to estimate a globally comparable measure of the size of metropolitan areas around the world for the years 2000 and 2010. We apply recently-proposed methodologies that correct the known problems of available nighttime luminosity data including blurring, instability of lit pixels overtime and the reduced comparability of night light images across satellites and across time. We then develop a protocol that isolates stable nighttime light pixels that constitute urban footprint, including low luminosity urban settlements such as slums, and excluding confounding phenomena such as highway illumination. When analyzed together with existing geo-referenced population datasets, our measure of urban footprint, can be used to compute city densities for the entire world. After characterizing some basic stylized facts regarding the distribution of urban sprawl, urban population and population density across world regions, we offer an application of our measure to the study of the size distribution of cities, including test of the Zipf's Law and Gibrat's Law.es_ES
dc.language.isoenes_ES
dc.publisherCAFes_ES
dc.rightsCC-BY-NCes_ES
dc.subjectCiudadeses_ES
dc.subjectDesarrolloes_ES
dc.subjectDesarrollo urbanoes_ES
dc.subjectEconomíaes_ES
dc.subjectPolíticas públicases_ES
dc.titleMeasuring the size and growth of cities using nighttime lightes_ES
dc.typeworkingPaperes_ES
dc.publisher.cityCaracases_ES


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