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Population density data are available at: http://sedac.ciesin.columbia.edu/data/set/popdynamics-pop-projection-ssp-2010-2100.
SEDAC population density data was used in a map of the Haiti earthquake.
The same limitation does not apply to population density data, since it follows a Log-Normal distribution with a domain in [0, + ∞].
This study looked at this relationship by comparing population density data from SEDAC's Gridded Population of the World to burned area maps based largely on NASA MODIS satellite observations.
In this study, instead of just looking at the spatial average PM2.5 concentrations, we have studied the long-term population exposure of PM2.5 by analyzing the population-weighted PM2.5 concentrations at regional, city and district scales by combining 1 km × 1 km satellite-derived PM2.5 and population density data sets.
Using high-resolution satellite imagery and human population density data we define lion areas, places that likely have resident lion populations.
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Non-linear relationships of proportional indices lead to under-estimation of mean population density when data are aggregated from multiple detection stations deployed in a heterogeneous landscape.
Urban land use intensity is derived from satellite and population density based data classified into high (57% roof space hence solar panels, 38% roads, 5% vegetation), medium (45% solar panels, 45% roads, 10% vegetation), and low (25% solar panels, 25% roads, 50% vegetation) intensity development22 (Supplementary Figure S1).
Historical population density (people·km−2) data for the period 1700 to 2005 were obtained from the HYDE 3.1 model by Goldewijk et al. [28] at 5-minute resolution (∼10×10 km).
Because the new methodology requires only three types of data — population density, topological information about a road network and cellphone data — it can be used for almost any urban area.
Cases were linked by postcode to lower-level super output area and medium-level super output area (MSOA), deprivation index, ethnic origin, population density and census data using data held on the Office for National Statistics website (http://www.statistics.gov.uk/cci/nugget.asp?id=6).
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