La Niña: Perbedaan antara revisi
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La Niña merupakan pola cuaca yang rumit dan kompleks yang terjadi tiap beberapa tahun sekali, sebagai akibat dari variasi suhu muka laut di wilayah Samudera Pasifik yang dekat atau berada di garis khatulistiwa.<ref name="USNOS">{{cite web |title=What are El Niño and La Niña? |url=https://oceanservice.noaa.gov/facts/ninonina.html |publisher=United States National Ocean Service |accessdate=11 September 2020 |date=February 10, 2020}}</ref> Fenomena ini terjadi karena hembusan angin yang kuat meniup air hangat permukaan laut dari [[Amerika Selatan]] melewati Pasifik menuju wilayah timur [[Indonesia]].<ref name="USNOS"/> Ketika air yang hangat ini bergerak ke arah barat, air dingin dari dasar laut naik ke permukaan laut di wilayah perairan Pasifik yang dekat dengan Amerika Selatan.<ref name="USNOS"/>
Fenomena La Niña sudah terjadi selama ratusan tahun dan biasanya secara teratur, selama awal abad ke-17 dan awal abad ke-19.<ref>{{cite journal|author1=Druffel, Ellen R M|author2=Griffin, Sheila|author3=Vetter, Desiree|author4=Dunbar, Robert B|author5=Mucciarone, David M|title=Identification of frequent La Niña events during the early 1800s in the east equatorial Pacific |journal=Geophysical Research Letters |date=16 March 2015 |volume=42 |issue=5 |pages=1512–1519 |doi=10.1002/2014GL062997|url=https://escholarship.org/uc/item/3xt6x5fb}}</ref> Sejak awal abad ke-20, tercatat bahwa fenomena La Niña berlangsung pada tahun 1903-1904, 1906-07, 1909-1911, 1916-18, 1924-25, 1928-30, 1938-39, 1942-43, 1949–51, 1954–57, 1964-65, 1970–72, 1973–76, 1983–85, 1988–89, 1994–95, 1998–2001, 2005–06, 2007–08, 2008–09, 2010–12, 2016, 2017–18 as well as 2020.<!-- <ref>{{cite web|title=La Nina Years|publisher=The Noaa News|url=http://www.noaanews.noaa.gov/stories/s300c.htm|accessdate=20 April 2016}}</ref> <ref name="La Niña and Winter Weather">{{cite report|title=La Niña and Winter Weather|publisher=NOAA|url=http://www.nws.noaa.gov/om/winter/la_nina-q-a.shtml|accessdate=14 March 2014}}</ref> <ref name="ReferenceA">{{cite web |url=https://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ensoyears.shtml |title=Climate Prediction Center – Monitoring & Data: ENSO Impacts on the U.S. – Previous Events |website=Cpc.noaa.gov |date=2015-11-04 |accessdate=2017-01-03 |archive-url=https://web.archive.org/web/20101206141055/https://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ensoyears.shtml |archive-date=6 December 2010 |url-status=dead }}</ref><ref>{{cite web |url=http://www.publicaffairs.noaa.gov/lanina.html |title=La Niña Information |accessdate=2010-05-31 |archive-url=https://web.archive.org/web/20140812112241/http://www.publicaffairs.noaa.gov/lanina.html |archive-date=12 August 2014 |url-status=dead }}</ref><ref>{{cite news | last = Sutherland | first = Scott | title = La Niña calls it quits. Is El Niño paying us a return visit? | url = https://www.theweathernetwork.com/us/news/articles/la-nina-calls-it-quits-is-el-nino-paying-us-a-return-visit/79424 | work = [[The Weather Network]] | date = 16 February 2017 | accessdate = 17 February 2017}}</ref><ref>{{citeweb|title=EL NIÑO/SOUTHERN OSCILLATION (ENSO) DIAGNOSTIC DISCUSSION issued by CLIMATE PREDICTION CENTER/NCEP/NWS and the International Research Institute for Climate and Society|url=https://www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso_advisory/ensodisc.pdf|date=September 10, 2020|accessdate=September 10, 2020}}</ref>-->
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