![]() The resources in this collection can be used to help learn about the basics of ENSO, the inter-relationship of Earth systems, the consequences of these interactions, and how to use and analyze data. ![]() Fishing in this region is best during La Niña years when cold upwelling ocean water brings rich nutrients offsite link from the deep ocean, resulting in an increase in the number of fish caught.ĮNSO provides teachers with the opportunity to have students discover ways that the oceanic and atmospheric systems interact and how those interactions can impact ecosystems and human society. Referring to the birth of Christ, they named the warm ocean waters, El Niño, which means “the boy” in Spanish. This warm water would arrive around Christmastime. Fish catches would drop drastically, negatively affecting the food supply and livelihood of the communities of coastal Peru. The origin of the name “El Niño” dates to the 1800’s, when fishermen on the Pacific coast of South America would notice that a warm ocean current would appear every few years. ![]() Agriculture is of course very dependent on climate and weather, as a result ENSO’s influence on rainfall and temperature have important consequences for food production and availability. This can impact individuals who make a living fishing and consumers who depend on certain fish for food. Changes in ocean temperatures and currents that happen during El Niño impact marine life. Conversely, La Niña events tend to be related to an increase in the number of Atlantic hurricanes.įood production is impacted by ENSO. ![]() Even though El Niño occurs in the Pacific Ocean, it often reduces the number of hurricanes that form in the Atlantic Ocean. La Niña, however, usually causes drier weather in the South, but the Northwest tends to be colder and wetter than average. For example, in the Southern United States, during the fall through spring, El Niño usually causes increased rainfall and sometimes destructive flooding. Conservation Service Corp Act Direct Hiring AuthorityĮcosystems and human communities can be positively or negatively affected.Information for NOAA student opportunity alumni.About the education resource collections.NOAA Sea to Sky: Education resource database.NOAA in your backyard: Education contacts near you.And when there's a strong La Niña event, there's about 50% less moderate-or-greater CAT than normal." The researcher adds that a connection between El Niño and more wind shear was not observed in Europe. Indeed, Williams found that "when there's a strong El Niño event, there is 50% more moderate-or-greater CAT over large parts of the US and the North Atlantic. Notably, this was one of the strongest El Niño winters ever recorded. Williams has also presented his research in May 2022 in Vienna.Ĭiting previous research, Williams noted that the most significant spike in pilots reporting turbulence occurred during the Northern Hemisphere winter of 1997-1998. As noted by The Hill, the professor of atmospheric science presented his research on the subject earlier this year, during a meeting of the American Meteorological Society. The link between El Niño (otherwise known as El Niño–Southern Oscillation, or ENSO) and clear air turbulence (CAT) has been the focus of Paul Williams at the University of Reading.
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