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A draw, sometimes known as a re-entrant in orienteering, is a terrain feature formed by two parallel ridges or spurs with low ground in between them. The area of low ground itself is the draw, and it is defined by the spurs surrounding it.
Imagine or draw surface water flow lines that point downhill perpendicular to the topographic contours (this is the steepest direction). Mark the location of topographical high points (peaks) around the stream. Mark the points along contours that divide flows towards or away from the stream (ridges). Connect the dots to delineate the watershed.
Sound – A long, relatively wide body of water, connecting two larger bodies of water; Spit – Coastal bar or beach landform deposited by longshore drift; Spring – A point at which water emenges from an aquifer to the surface; Stack – Geological landform consisting of a steep and often vertical column or columns of rock and stump
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic ...
A drainage divide, water divide, ridgeline, [1] watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges , and may be in the form of a single range of hills or mountains , known as a dividing range .
Also narrow. A land or water passage that is confined or restricted by its narrow breadth, often a strait or a water gap. nation A stable community of people formed on the basis of a common geographic territory, language, economy, ethnicity, or psychological make-up as manifested in a common culture. national mapping agency A governmental agency which manages, produces, and publishes ...
The Yellow River was so named because the loess forming its banks gave a yellowish tint to the water. [35] The soil of this region has been called the "most highly erodible soil on earth". [36] The Loess Plateau and its dusty soil cover almost all of Shanxi, Shaanxi, and Gansu provinces; the Ningxia Hui Autonomous Region, and parts of others.
In Brazil, the National Policy of Water Resources, regulated by Act n° 9.433 of 1997, establishes the drainage basin as the territorial division of Brazilian water management. When a river basin crosses at least one political border, either a border within a nation or an international boundary, it is identified as a transboundary river .