What is catchment area in watershed?

1) An area from which surface runoff is carried away by a single drainage system. 2) The area of land bounded by watersheds draining into a river, basin or reservoir.

Is watershed same as catchment area?

A water catchment (commonly referred to as a “watershed”) is an area of land where all water flows to a single stream, river, lake or even ocean. HCA encourages the use of the term “water catchment” over “watershed.” A water catchment area is home to a complete water-cycle system.

What is catchment area of a river?

A catchment is an area of land where water collects when it rains, often bounded by hills. As the water flows over the landscape it finds its way into streams and down into the soil, eventually feeding the river.

What is known as catchment area?

catchment area. noun. Also called: catchment basin, drainage area, drainage basin the area of land bounded by watersheds draining into a river, basin, or reservoir. the area from which people are allocated to a particular school, hospital, etc.

What are watershed moments?

What is the meaning and origin of the idiom “watershed moment?” One definition of “watershed” is “an event marking a unique or important historical change of course or one on which important developments depend.”

What are the types of watershed?


  • Macro watershed (> 50,000 Hect)
  • Sub-watershed (10,000 to 50,000 Hect)
  • Milli-watershed (1000 to10000 Hect)
  • Micro watershed (100 to 1000 Hect)
  • Mini watershed (1-100 Hect)

What is an example of watershed?

A watershed describes an area of land that contains a common set of streams and rivers that all drain into a single larger body of water, such as a larger river, a lake or an ocean. For example, the Mississippi River watershed is an enormous watershed.

What is the main purpose of a watershed?

A watershed – the land area that drains to a stream, lake or river – affects the water quality in the water body that it surrounds. Healthy watersheds not only help protect water quality, but also provide greater benefits than degraded watersheds to the people and wildlife that live there.

How is catchment area calculated?

Calculating your catchment capacity This capacity can be calculated using the following formula: Annual rainfall (in millimetres) x Roof surface area (in square metres) = Roof catchment capacity.

What are the types of catchment?

Types of catchment areas Catchment areas generally fall under two categories, those that occur organically, i.e., “de facto” catchment area, as people are naturally drawn to a location and those that are established and modified by entities such as local governments or organizations.

What is another name for catchment area?

What is another word for catchment area?

catchment basin drainage basin
watershed drainage area

What is the purpose of catchment area?

In geography, a catchment area is an area of land that collects water after rainfall, typically bounded by hills. Water flows down into these areas and collects into rivers and streams. These areas are useful for analyzing a geographic area, as it aims to understand waterfall and flow in the area.

What is the difference between a catchment and a watershed?

Catchment is a synonym of watershed. As nouns the difference between catchment and watershed. is that catchment is any structure or land feature which catches and holds water while watershed is (hydrology) the topographical boundary dividing two adjacent catchment basins, such as a ridge or a crest. Nov 11 2019

What is the differnt between watershed, basin and catchment?

Catchment area is an umbrella term. The catchment area of large rivers or river system is called river basin while those of small rivers, a lake, a tank is referred to as watershed. Watersheds are small in area, generally less than 1000 hectares. However the terms have come to be (though wrongly) used interchangeably.

How does water flow within a watershed?

Within the watershed, below the surface, water flows laterally through both the soil and the deeper aquifer from regions of higher elevations to lower elevations, where streams are located. This flow makes up what is called the base flow of a stream — the flow of a stream during dry periods of time.

What is the difference between a watershed and a basin?

As nouns the difference between watershed and basin is that watershed is (hydrology) the topographical boundary dividing two adjacent catchment basins, such as a ridge or a crest while basin is a bowl for washing, often affixed to a wall.