High resolution population maps for low income nations: combining land cover and census in East Africa
Tatem, Andrew J., Noor, Abdisalan M., von Hagen, Craig, Di Gregorio, Antonio and Hay, Simon I. (2007) High resolution population maps for low income nations: combining land cover and census in East Africa. PLoS ONE, 2, (12), e1298-[8pp]. (doi:10.1371/journal.pone.0001298). (PMID:18074022).
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BACKGROUND: Between 2005 and 2050, the human population is forecast to grow by 2.7 billion, with the vast majority of this growth occurring in low income countries. This growth is likely to have significant social, economic and environmental impacts, and make the achievement of international development goals more difficult. The measurement, monitoring and potential mitigation of these impacts require high resolution, contemporary data on human population distributions. In low income countries, however, where the changes will be concentrated, the least information on the distribution of population exists. In this paper we investigate whether satellite imagery in combination with land cover information and census data can be used to create inexpensive, high resolution and easily-updatable settlement and population distribution maps over large areas. METHODOLOGY/PRINCIPAL FINDINGS: We examine various approaches for the production of maps of the East African region (Kenya, Uganda, Burundi, Rwanda and Tanzania) and where fine resolution census data exists, test the accuracies of map production approaches and existing population distribution products. The results show that combining high resolution census, settlement and land cover information is important in producing accurate population distribution maps. CONCLUSIONS: We find that this semi-automated population distribution mapping at unprecedented spatial resolution produces more accurate results than existing products and can be undertaken for as little as $0.01 per km(2). The resulting population maps are a product of the Malaria Atlas Project (MAP: http://www.map.ox.ac.uk) and are freely available.
|Keywords:||africa, eastern, demography, developing countries, humans|
|Subjects:||G Geography. Anthropology. Recreation > G Geography (General)
H Social Sciences > HA Statistics
T Technology > TL Motor vehicles. Aeronautics. Astronautics
|Divisions:||Faculty of Social and Human Sciences > Geography and Environment
|Date Deposited:||25 Oct 2012 08:39|
|Last Modified:||28 Nov 2012 16:42|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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