It may, under certain conditions, pop up to earth surface, flow for a distance, and then sink again.

Missing from the data: 2/3rds of the earth surface... The ocean.

Water table is around 50 meters below the earth surface in the central village of Martung.

This determines performance in heavy weather and near the earth surface.

They form in an atmosphere with 100 times lower pressure than at earth surfaces.

All this information refers to the curved earth surface but is dis-played on a flat computer display.

The radar sensor is positioned on the earth surface with a height h above the ground.

This reduced the pressure in the hot water systems below the earth surface.

This fact is the main idea of the project, which represents life-giving spring water opening the earth surface.

Before then, the entire earth surface was covered with water.