such as countries in the north of Africa. Central to the researchers' methods was the collation of existing national hydrogeological maps as well as 283 aquifer studies from 152 publications.

As Facebook explains in a post about its methodology, one census population zone in Africa, for instance ... Facebook has prototyped detailed population maps for 22 different countries as ...

Quantitative maps of groundwater resources in Africa 2. The published version of the paper 'Quantitative maps of groundwater resources in Africa' (A M MacDonald et al 2012 Environ. Res.

The social site is releasing new, ultra-detailed population density maps that cover the "majority" of Africa, helping relief agencies know where to go when providing aid. The technique is similar ...

The tide is slowly turning in southeastern Africa — which encompasses countries ... A first-of-its-kind new map may help increase the precision of the HIV/AIDS response as some data-savvy ...

Piri Reis, an Ottoman admiral and cartographer, is renowned for his world map created in 1513, which includes detailed ...

Scientists say the notoriously dry continent of Africa is sitting on a vast reservoir ... The team have produced the most detailed map yet of the scale and potential of this hidden resource.

That’s why there are huge efforts underway to provide detailed maps of current malaria cases in Africa, and to predict which areas will become more susceptible in future, since such maps are ...

A group of scientists has produced the first global geologic map of Ganymede ... AllAfrica is a voice of, by and about Africa - aggregating, producing and distributing 500 news and information ...