The Water CycleThe Water Cycle

““Round & Round We Go!”Round & Round We Go!”

What percentage of the What percentage of the Earth’s water is available Earth’s water is available fresh water? Salt water? fresh water? Salt water?

Frozen?Frozen?

Salt Water

Available FreshWaterFrozen

What is the ‘Water Cycle‘?What is the ‘Water Cycle‘?

DefinitionDefinition: : The never-ending The never-ending movement of water from one part of movement of water from one part of the hydrosphere to another.the hydrosphere to another.

What makes up the water cycle?What makes up the water cycle?

The water cycle involves The water cycle involves the following processes:the following processes:

Water Budget:Water Budget:

For a given water system, or location, For a given water system, or location, a water budget describes the amount a water budget describes the amount of incoming water versus the amount of incoming water versus the amount of outgoing water.of outgoing water.

The 4 stages of the water The 4 stages of the water budget:budget:

RechargeRecharge SurplusSurplus UsageUsage DeficitDeficit

Re-Cap:Re-Cap:

Global distribution of waterGlobal distribution of water Water CycleWater Cycle

Defn.Defn. Processes involvedProcesses involved

Ground WaterGround Water EvaporationEvaporation TranspirationTranspiration CondensationCondensation PrecipitationPrecipitation Run-OffRun-Off

Water BudgetWater Budget Defn.Defn. 4 Phases4 Phases

RechargeRecharge SurplusSurplus UsageUsage DeficitDeficit