- 1. Portion of bedrock in the vadose zone that is between the epikarst zone and the phreatic zone, is relatively waterless and unfractured, but is locally breached by discrete percolation points (vadose shafts.)2. The zone in which the properties of two adjacent units change gradually (freshwater/saltwater).
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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Transition zone — Tran*si tion zone (Biogeography) The zone lying between the Boreal and Sonoran zones of North America. It includes an eastern or humid subdivision and a western arid one of corresponding temperature comprising the northern Great Plains and the… … The Collaborative International Dictionary of English
transition zone — pereinamoji sritis statusas T sritis fizika atitikmenys: angl. transition region; transition zone vok. Übergangsgebiet, n; Übergangszone, m rus. переходная зона, f pranc. zone de transition, f … Fizikos terminų žodynas
transition zone — pereinamoji zona statusas T sritis fizika atitikmenys: angl. transition region; transition zone vok. Übergangszone, f rus. переходная зона, f pranc. zone de transition, f … Fizikos terminų žodynas
Transition zone — In seismology, the region between about 400 km and 650 km depth, the lower area of the upper mantle. That is called Transition Zone … Wikipedia
transition zone — transitional zone 1. any anatomical region that marks the point at which the constituents of a structure change from one type to another. 2. either of two bilobed areas of the prostate found deep to the central zone and surrounding the prostatic… … Medical dictionary
transition zone — an abrupt change or lack of structure between two regions of an otolith. May occur during metamorphosis from a larval stage, transition from the sea to fresh water, etc … Dictionary of ichthyology
transition zone — A marked change in the annual growth pattern requiring an adjustment to age reading criteria … Fisheries — dictionary
transition zone — noun a) Any of several physical zones in which the properties, or the behaviour of something undergoes a radical change b) The stage in the flow or a fluid during which it changes from laminar to turbulent … Wiktionary
Brittle-ductile transition zone — [ continental crust and changes in dominant deformation mechanisms and fault rocks in a conceptual vertical fault zone. ] The brittle ductile transition zone is the strongest part of the Earth s crust. For quartz and feldspar rich rocks in… … Wikipedia
zone — noun ADJECTIVE ▪ narrow, wide ▪ marginal, peripheral, transition, transitional, twilight ▪ a transition zone between tropical and arid vegetations … Collocations dictionary