Above each lock and dam is a lake that tails down into more riverlike
conditions before it reaches the next impounded area.
Moreover, deep, riverlike
canyons snake across the ocean floor (SN: 1/1/05, p.
Three thousand years later, modern oceanographers confirm the world ocean is connected in riverlike
fashion; using a schematic known as the ocean conveyor belt, they portray Okeanos as a M6biuslike ribbon winding through all the ocean basins, rising and falling, and stirring the waters of the world.
But we go on, making turns, crossing riverlike
streams and pondlike puddles that take over after the asphalt has ended.
There appears to be a riverlike
stream of fast material below the polar regions.
Radarsat maps also reveal how ice shelves, moving through riverlike
ice streams, reach the ocean and splinter into icebergs.
Recent analyses of the seafloor topography off the coast of Virginia suggest that these currents also play a large and widespread role in carving and sculpting riverlike
networks of undersea canyons there.
edge repeats in other features of the stone-covered patio.
But it is the riverlike
features on Venus that are forcing scientists to rethink what it is that constitutes and causes volcanism.