The hydrologic cycle describes the circulation of water from the ocean and other watery surfaces to the atmosphere and to the land. A major source of atmospheric water vapor is evaporation from the oceans.
The water cycle, also known as the hydrologic cycle, describes the continuous movement of water as it makes a circuit from the oceans to the atmosphere to the Earth and on again. ... Most precipitation falls back into the oceans or onto land, where it flows over the ground as surface runoff.
