parallel drainage system
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Drainage system (geomorphology) — In geomorphology, a drainage system is the pattern formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of the land, whether a particular region is dominated by hard or soft rocks, and the… … Wikipedia
Drainage system (Geomorphology) — In geomorphology, a drainage system is the pattern formed by the streams, rivers, and lakes in a particular watershed. They are governed by the topography of the land, whether a particular region is dominated by hard or soft rocks, and the… … Wikipedia
drainage system — several types of drainage system for rivers are recognised, namely annular, dendritic, deranged, parallel, rectangular and trellis (all q.v.) … Dictionary of ichthyology
dendritic drainage system — the commonest type of drainage system comprising a main river with tributaries that themselves have tributaries. Such a system usually occurs on a gentle slope. See also annular, deranged, parallel, rectangular and trellis drainage systems … Dictionary of ichthyology
annular drainage system — a drainage system arranged in a circular fashion around a central basin. See also dendritic, deranged, parallel and rectangular drainage systems … Dictionary of ichthyology
trellis drainage system — a system found where streams run parallel to structures in the bedrock with minor tributaries coming in at right angles. See also annular, dendritic, deranged, parallel and rectangular drainage systems … Dictionary of ichthyology
deranged drainage system — a system without any obvious or coherent pattern as a result of much geological disturbance, as in areas cleared of soil cover by ice ages. The drainage patterns are still being determined and the glaciers left much water that accumulates in low… … Dictionary of ichthyology
rectangular drainage system — a system of streams arranged around faults in the ground. See also annular, dendritic, deranged, parallel and trellis drainage systems … Dictionary of ichthyology
drainage — /dray nij/, n. 1. the act or process of draining. 2. a system of drains, artificial or natural. 3. See drainage basin. 4. something that is drained off. 5. Surg. the drainage of fluids, as bile, urine, etc., from the body, or of pus and other… … Universalium
Drainage equation — A drainage equation is an equation describing the relation between depth and spacing of parallel subsurface drains, depth of the watertable, depth and hydraulic conductivity of the soils. It is used in drainage design. Parameters in Hooghoudt s… … Wikipedia
