The hydrological cycle

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  • 1. How have humansHow have humans modified (changed) themodified (changed) the hydrological cycle?hydrological cycle?
  • 2. Definitions of termsDefinitions of terms • Store:Store: where water is kept in one placewhere water is kept in one place for a period of timefor a period of time • Flow:Flow: movement of water from one placemovement of water from one place to anotherto another • Water table:Water table: The level of theThe level of the groundwater, or the level below which thegroundwater, or the level below which the rocks are saturated with water.rocks are saturated with water. • Closed system:Closed system: a system in whicha system in which inputs loop around continuously (e.g.inputs loop around continuously (e.g. water cycle)water cycle)
  • 3. What is a systemsWhat is a systems diagram?diagram? Inputs OutputsProcesses
  • 4. What is a systemsWhat is a systems diagram?diagram? Inputs OutputsProcesses