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MapMaster 3

Sea-Surface Temperature Anomalies: El Niño

OceansPhysical Environment

A composite of sea-surface temperature anomalies during El Niño from November to March during the following years: 1958, 1966, 1973, 1983, 1987, 1992, 1996, and 1998. When sea-surface temperatures in the tropical eastern Pacific rise well above normal, it is known as an El Niño event.

NOAA

Sea-surface temperature anomalies during El Niño. The most intense warming (2 to 2.25 degrees Celsius, dark brown) occurs off the coast of South America. Cooler areas (negative 2.25 to negative 2 degrees Celsius, dark blue) are in the Arctic Ocean.

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Sea-Surface Temperature Anomalies: El Niño

Global Mean Temperature, July

Physiological Density

Human Rights Abuses

-0.25 to 0.25

0.75 to 1.0

1.0 to 1.25

1.25 to 1.5

1.5 to 1.75

0 to 2°C

3 to 5°C

6 to 8°C

9 to 11°C

12 to 14°C

15 to 17°C

18 to 20°C

21 to 23°C

24 to 26°C

27 to 29°C

over 30°C

Class

Rank

People per square kilometer

Value

0.311%1.20%0.159%0.444%2.10%14.8%25.4%10.6%12.2%37.9%33.5%14.5%25.6%56.1%14.6%16.4%
0.16.0