catchment areas

Water gathering regions

Catchment areas are geographic regions from which something draws its population or resources.

A hospital's catchment area is the surrounding zone whose residents it serves.

A school's catchment area determines which children may enroll.

The term comes from hydrology, where a catchment area is land that drains water into a particular river or reservoir.

Property values rise in the catchment areas of good schools.

Opposites
water flow function

catchment areasdistribution networks

Systems moving goods outward

river mouths · deltas · estuaries · reservoirs · aquifers

water movement direction

catchment areasriver deltas

Sediment deposits at mouths

floodplains

service/administrative zone function

catchment areasexclusion zones

Prohibited entry regions

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