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ENSO I. ENSO history Kinematics dynamics. Southern Oscillation. Modern Southern Oscillation Index. D. T. Berlage: SOI and Nino3.4 SST. http://www.vision.net.au/~daly/elnino.htm. http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensocycle/ensocycle.html. El Nino. La Nina.
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ENSO I • ENSO • history • Kinematics • dynamics Meto670 - Carton
Southern Oscillation Meto670 - Carton
Modern Southern Oscillation Index D T Meto670 - Carton
Berlage: SOI and Nino3.4 SST http://www.vision.net.au/~daly/elnino.htm http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensocycle/ensocycle.html Meto670 - Carton
El Nino Meto670 - Carton
La Nina Meto670 - Carton
NINO3/4 timing for some recent events Meto670 - Carton http://iri.columbia.edu/climate/ENSO/background/pastevent.html#list
La Nina timing Meto670 - Carton http://iri.columbia.edu/climate/ENSO/background/pastevent.html#list
Differences in phase propagation: SST’ vs thermocline depth Eastward Propagation Time Instant phase propagation Meto670 - Carton
Westerly wind bursts 1997-8 McPhaden, 2004 Meto670 - Carton
Rainfall http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensocycle/ensorain.html Meto670 - Carton
Biological Consequences Meto670 - Carton
Impact of El Nino on the South American Anchovy industry Meto670 - Carton
North America http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensocycle/nawinter.html Meto670 - Carton
Hanta virus {& rift valley fever}mosquito – borne diseases Outbreak of hantavirus infection in the Four Corners region of the United States in the wake of the 1997-1998 El Nino-southern oscillation.Hjelle B, Glass GE.Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA. bhjelle@salud.unm.edu.Hantavirus cardiopulmonary syndrome (HCPS), a rodent-borne zoonosis, has been endemic in the Americas for at least several decades. It is hypothesized that the 1991-1992 El Nino-southern oscillation (ENSO) caused increased precipitation that allowed an increase in rodent population densities, thereby increasing the possibility of transmission to humans. The result was a 1993-1994 outbreak of the disease in the Four Corners states of the southwestern United States. A second strong ENSO occurred in 1997-1998, after a period of considerable public education about the risks of hantavirus infection that began during the 1993-1994 outbreak. The caseload of HCPS increased 5-fold above baseline in the Four Corners states in 1998-1999. Meto670 - Carton
Maryland Nino consequences (SON) Meto670 - Carton http://www.cpc.ncep.noaa.gov/products/predictions/threats2/enso/elnino/md_bar.html
Maryland Nino consequences (ND) Meto670 - Carton http://www.cpc.ncep.noaa.gov/products/predictions/threats2/enso/elnino/md_bar.html
African agriculture http://www.ldeo.columbia.edu/dees/ees/climate/slides/indiar.html Meto670 - Carton
Relationship to Indian monsoon Meto670 - Carton
ENSO-Indian Monsoon relationship http://www.ldeo.columbia.edu/dees/ees/climate/slides/indiar.html Meto670 - Carton
Meto670 - Carton C. Landsea, NOAA
C. Landsea, NOAA Meto670 - Carton
Drought in the central United States Meto670 - Carton
North Atlantic Oscillation Walker and Bliss (1932) “In Greenland, all winters are severe, yet they are not alike. The Danes have noticed that when the winter in Denmark was severe, as we perceive it, the winter in Greenland in its manner was mild, and conversely." Hans Egede Saabye 1770-78 (Van Loon, 1978) http://www.ngdc.noaa.gov/paleo/ctl/clisci100.html Meto670 - Carton
NAO Index: Iceland minus Azores sea-level pressure {closely related ‘Arctic Oscillation’ or ‘Northern Hemisphere annular mode’ – Rossby et al. (1939)} Meto670 - Carton
North American precip Meto670 - Carton