South Pacific High
The South Pacific High is a semi-permanent subtropical anticyclone located in the southeast Pacific Ocean. The area of high atmospheric pressure and the presence of the Humboldt Current in the underlying ocean make the west coast of Peru and northern Chile extremely arid. The Sechura and Atacama deserts, as the whole climate of Chile, are heavily influenced by this semi-permanent high-pressure area. This high-pressure system plays a major role in the El Niño–Southern Oscillation (ENSO), and it is also a major source of trade winds across the equatorial Pacific.[1]
Sketch showing the normal location of the Pacific High west of Peru and Chile
References
- E. Linacre; B. Geerts (August 1998). "The South Pacific High, ocean currents, and El Niño". University of Wyoming. Retrieved 13 May 2019.
External links
- Wolfgang Schneider; David Donso; José Garcés-Vargas; Rubén Escribano (February 2017). "Water-column cooling and sea surface salinity increase in the upwelling region off central-south Chile driven by a poleward displacement of the South Pacific High". Progress in Oceanography. 151: 38–48. doi:10.1016/j.pocean.2016.11.004.
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