With a multi-year drought bearing down on California and the West, there’s an intense focus on nearly every drop of water. But in a few weeks, we may begin to get a history making look at where that water is and where it’s going. Not just here, but around the entire planet. … Using technology, including a sophisticated form of radar, the satellite will survey and measure nearly all the water on the Earth’s surface, including lakes, rivers, reservoirs and the ocean itself. … Experts believe understanding flood patterns could help us recover and store valuable water that’s currently being lost. Perhaps diverting it into underground aquifers or reservoirs.