isohyet


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Related to isohyet: isobar, isotherm

isohyet

a line on a map connecting places having equal rainfall

isohyet

[¦ī·sə¦hī·ət]
(meteorology)
A line drawn through geographic points recording equal amounts of precipitation for a specified period or for a particular storm.

isohyet

A line joining places with equal rainfall.
References in periodicals archive ?
In the northern Sahara or Saharo-Sahelian zone, the area between the 4 in (100 mm) and 8 in (200 mm) annual rainfall isohyets, there are pastures dominated by perennial grasses (Panicum turgidum, Aristida pallida, A.
This law fixed a northern limit to dry farming, but it was never applied; in fact, millet cultivation spread farther and farther north, to the 10 in (250 mm) and 8 in (200 mm) isohyets, even in the major drought that began in 1969.
The southward movement of the isohyets has also resulted in the southward migration of pastoralists into lands formerly occupied by sedentary farmers.
6) considered the Hajar Mountains of the UAE to be more "mesic" than the Ru'us al-Jibal to the north, although this classification does not match the reported pattern of isohyets in the mountain regions (Boer 1997, Fig.
25 [degrees] C intervals and mean annual precipitation isohyets of 1-cm intervals for the region.
Yet toward the south, in the region transitional to the Brazilian shield, the mean annual isohyets are around 2,000mm (79in) (Sioli 1985).
6[degrees]E, and between the 300 and 400 mm mean annual rainfall isohyets with soils that are typically texture contrast (duplex) soils of sand or loams over clay (Chromosols and Sodosols) and sands over gravels (Ferric Chromosols) (Isbell 1996; Schoknecht 2002).
He mapped centers of diversity using numbers of species in isohyets.
Climatic data were obtained from the existing meteorological stations in the area while the rainfall isohyets for the area were determined (Pagounis, et al.
The rainfall in the study area from the Bureau of Meteorology isohyets is between 650 mm and 600 mm.
Perhaps the best example of zonality in savannah soils is in western Africa, where the isohyets, the basic vegetation zones (Guinea savannah, Sudan savannah, and Sahel savannah), and the main soil types follow the same latitudinal gradient from the rainforest in the south to the desert in the north.