Warm water moves to the east x elevates sea surface

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ing 3-5 months taking Non El Niño El Niño Coupled Ocean-Atmosphere Circulation Non El Niño El Niño Ocean’s Response to the SO Ocean’s x Warm water moves to the east x Elevates sea surface temperatures Elevates (SSTs) in Eastern Pacific (SSTs) x Upwelling of cold, nutrient-rich water Upwelling reduced reduced x Reduces available nutrients x Kills fish and sea birds - especially Kills bad off Peru bad Animations Animations http://esminfo.prenhall.com/science/geoanimations/animations/26_NinoNina.html El Niño detected from space: Part I Dec 1996: Normal Warm pool Dec 1997: El Niño. Warm water extends far toward S. America Warm Water Anomaly for Dec. 1997. Amount of temperature increase above normal. El Niño detected from space: Part II Warm water in eastern Pacific makes sea level higher there Can be detected from space! low sea level = cold high sea level = warm http://sealevel.jpl.nasa.gov/science/enso97/el_nino_1 http://sealevel.jpl.nasa.gov/science/enso97/el_nino_1997.html Ocean AND Atmosphere Ocean x El El Niño is both an oceanic and an atmospheric phenomenon atmospheric – Often called ENSO x Scientists Scientists knew of SO from wind and precip. data precip. x Scientists knew of El Niño from SST Scientists El SST data data x Didn’t make connection until 1969 Jacob Bjerknes J...
View Full Document

Ask a homework question - tutors are online