High Rainfall Zone — The High Rainfall Zone is one of three biogeographic zones into which south west Western Australia is divided, the others being the Transitional Rainfall Zone and the Low Rainfall Zone.The zones were first defined by Stephen Hopper in his 1979… … Wikipedia
Transitional Rainfall Zone — The Transitional Rainfall Zone (TRZ) is one of three biogeographic zones into which south west Western Australia is divided, the others being the High Rainfall Zone and the Low Rainfall Zone. The TRZ is recognised as having a much higher… … Wikipedia
Low-pressure area — This depiction of the Hadley cell shows the process which sustains low pressure areas. Diverging winds aloft allow for lower pressure and convergence at the Earth s surface, which leads to upward motion. A low pressure area, or low , is a region… … Wikipedia
Forest zone — This article refers to the forest zone of Western Africa. For Brazilian forest zones, see Zona da Mata. In West Africa, the forest zone refers to the southern part of the region once largely covered by tropical rainforest. Sometimes this region… … Wikipedia
Dead zone (ecology) — This article is about the oceanic phenomenon. For other uses, see Dead Zone (disambiguation). Red circles show the location and size of many dead zones. Black dots show dead zones of unknown size. The size and number of marine dead zones areas… … Wikipedia
Intertropical Convergence Zone — Doldrums redirects here. For other uses, see Doldrums (disambiguation). The thunderstorms of the Intertropical Convergence Zone form a line across the eastern Pacific Ocean … Wikipedia
Critical Zone Observatory — The Critical Zone Observatory is an interdisciplinary research project created to study the chemical, physical, and biologic process that shape the Earth s surface and supports most terrestrial life on the planet. Funded by the National Science… … Wikipedia
arid zone — noun (ecology) A zone of latitude 15º 30ºN and S in which the rainfall is so low that only desert and semi desert vegetation occur • • • Main Entry: ↑arid … Useful english dictionary
climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium