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Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
The template can accept parameters that describe the size of the object on the screen: |viewport_cm= or |viewport_px=. The template also accepts other geohack parameters to generate the scale argument: dim; type (e.g., "mountain" or "city") population (for type="city" only)
Catchment zone in Nattai, Australia containing drinking water. Catchment hydrology is the study of hydrology in drainage basins. Catchments are areas of land where runoff collects to a specific zone. This movement is caused by water moving from areas of high energy to low energy due to the influence of gravity.
To learn how to add geographic coordinates to a page using templates, please see Wikipedia:WikiProject Geographical coordinates. To paste a location map with a dot (using the city of Madrid as an example), copy and paste the following code: {{Location map|Spain|label=Madrid|mark=Green_pog.svg |lat=40.5|long=-3.7|width=230|float=center}}
To change this template's initial visibility, the |state= parameter may be used: {{Rivers of the Northern Rivers catchment | state = collapsed}} will show the template collapsed, i.e. hidden apart from its title bar. {{Rivers of the Northern Rivers catchment | state = expanded}} will show the template expanded, i.e. fully visible.
New for 2024, label-size can have additions to place a background fill and/or an outline around a label. text-size=12,background will use the standard background map-color as a solid fill under the area of the text - handy if the label is being confused by other map details.
Catchment areas may be established for the provision of services. For example, a school catchment area is the geographic area from which students are eligible to attend a local school. When a facility's capacity can only service a specific volume, the catchment may be used to limit a population's ability to access services outside that area. [11]
This template places one or more location marks on a map. Template parameters [Edit template data] Parameter Description Type Status Map name 1 The name of the map to be used String required Map width width Determines the width of the map in pixels, overriding any default values. Do not include "px", for example: "300", not "300px". Number optional Default width default_width Determines the ...