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=== delta === | === delta === | ||
=== geyser === | |||
[[File:Geyser animation.gif|thumb|A cross-section of a geyser in action]] | |||
* an underground water source that is intermittently ejected into the air above the surface as steam | |||
* geysers exist near active volcanic regions | |||
** whose proximity of magma heats rocks that boil the ground water, usually at depths of 6,600 ft | |||
*** as the water boils, it builds pressure and intermittently erupts as steam and water out of the ground | |||
*** the ground water then refills and repeats the process of heating and exploding | |||
=== gulf === | === gulf === | ||
=== lake === | === lake === | ||
=== ocean === | === ocean === | ||
=== sea === | === sea === | ||
=== spring === | |||
* to do | * to do | ||
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See also: | See also: | ||
* Hydrology / water cycle | * Hydrology / water cycle | ||
* | * | ||
== atmosphere == | == atmosphere == | ||
=== winds === | === winds === |