See it →Desert creature covered in ‘large’ spikes found hiding under rock. It’s a new species ... in the Brahmaputra River drainage, researchers said. People in the region have “long ...

Percolation - The downward movement of water from the soil into the rock beneath. Drainage basin - the area of land drained by a river. Channel - the bed and banks that form the route of the river.

Permeable rocks close permeable rockA ... channel precipitation to gutter and drainage systems quickly. This water will quickly reach the sewer and river systems, shortening the lag time.