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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.
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.
Isotope hydrology – the study of the isotopic signatures of water; Surface hydrology – the study of hydrologic processes that operate at or near the Earth's surface; Catchment hydrology – study of the governing processes in a given hydrologically defined catchment
The catchment is the most significant factor determining the amount or likelihood of flooding. Catchment factors are: topography , shape, size, soil type, and land use (paved or roofed areas). Catchment topography and shape determine the time taken for rain to reach the river, while catchment size, soil type, and development determine the ...
Factor analysis and principal component analysis are multivariate statistical procedures used to identify relationships between hydrologic variables. [28] [29] Convolution is a mathematical operation on two different functions to produce a third function. With respect to hydrologic modeling, convolution can be used to analyze stream discharge's ...
Rain falling over a drainage basin in Scotland.Understanding the cycling of water into, through, and out of catchments is a key element of hydrology. Hydrology (from Ancient Greek ὕδωρ (húdōr) 'water' and -λογία () 'study of') is the scientific study of the movement, distribution, and management of water on Earth and other planets, including the water cycle, water resources, and ...
Developing water budgets is a fundamental activity in the science of hydrology. According to the US Geological Survey: [ 4 ] An understanding of water budgets and underlying hydrologic processes provides a foundation for effective water-resource and environmental planning and management.
WMS was initially developed by the Engineering Computer Graphics Laboratory at Brigham Young University in the early 1990s on Unix workstations. James Nelson, Norman Jones, and Woodruff Miller wrote a 1992 paper titled "Algorithm for Precise Drainage-Basin Delineation" that was published in the March 1994 issue of the Journal of Hydraulic ...