Effective governance and investment decisions need to be informed by reliable data, not only about where groundwater exists, but also the rate at which groundwater is replenished. For the first time using ground measurements, a recent study has quantified groundwater recharge rates across the whole of Africa—averaged over a fifty-year period—which will help to identify the sustainability of water resources for African nations.
source https://phys.org/news/2021-02-groundwater-recharge-africa.html
