HUMAN FOOTPRINT VERSION II
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CIESIN has released an updated version of The Human Footprint, a global 1-km resolution data set that aims to measure the extent of human influence on the Earth’s surface. First produced in 2002 by CIESIN with the Wildlife Conservation Society, this new version of The Human Footprint uses updated data on human population density, land transformation, human access, electrical power infrastructure, and settlements. Urban boundaries are drawn from CIESIN’s urban population data (Global Rural-Urban Mapping Project (GRUMP)), which is a more recent (circa 2000) and is also a better representation of urban boundaries than what was used in the first version.
The population density data (Global Population of the World (GPWv3)), produced by the NASA Socioeconomic Data and Applications Center (SEDAC) operated by CIESIN, also have a number of improvements over the data used in the earlier version. The roads data are more complete, particularly concerning roads in Africa and Latin America; a greater number of navigable rivers is included; and more extensive land cover data are used.
Data available for download include the Human Influence Index, Human Footprint, and the Last of the Wild data sets.

 

 

 


 
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