The Negev desert, which covers half of Israel’s land mass, is so dry that parts of it get less than three inches of water a year. But beneath it is water that sustains the people and agriculture of the region. Understanding where it came from, how much is there, and what’s happening to it is critical to the security and allocation of that crucial resource.
Click here for original story, Scientists use isotopes to reveal how aquifer refilled 400,000 years ago
Source: Phys.org