Dipol Samudra Hindia: Perbedaan antara revisi

Konten dihapus Konten ditambahkan
k FelixJL111 memindahkan halaman Dipol Samudera Hindia ke Dipol Samudra Hindia
Baris 19:
 
Fase positif IOD ini pun sangat erat kaitannya dengan bencana hidrometeorologi di wilayah pantai timur afrika seperti banjir bandang, tanah longsor, dll. Saat fase IOD positif yang ekstrem berlangsung di akhir tahun 2019, rata-rata curah hujan di wilayah pantai timur Afrika meningkat hampir 300%.<ref>{{Cite web|url=https://reliefweb.int/report/south-sudan/east-africa-food-security-outlook-high-food-assistance-needs-persist-food|title=East Africa Food Security Outlook: High food assistance needs persist, but food security in the Horn is likely to improve in 2020, November 2019 - South Sudan|website=ReliefWeb|language=en|access-date=2020-01-10}}</ref><ref>{{Cite news|url=https://www.bbc.com/news/science-environment-50602971|title=The climate phenomenon linking floods and bushfires|date=2019-12-07|access-date=2020-01-10|language=en-GB}}</ref><ref>{{Cite web|url=https://www.aljazeera.com/news/2019/12/flooding-western-uganda-kills-dozen-191208144314601.html|title=Flooding in western Uganda kills more than a dozen|website=www.aljazeera.com|access-date=2020-01-10}}</ref><ref>{{Cite web|url=https://www.aljazeera.com/news/2019/12/risk-flooding-landslides-rains-batter-east-africa-191205143820059.html|title=Risk of more flooding and landslides as rains batter East Africa|website=www.aljazeera.com|access-date=2020-01-10}}</ref><ref>{{Cite web|url=https://www.aljazeera.com/news/2019/12/kenya-floods-rain-expected-region-191207104804379.html|title=Kenya floods: More rain expected in region|website=www.aljazeera.com|access-date=2020-01-10}}</ref><ref>{{Cite web|url=https://www.bbc.com/news/av/world-50676783/east-africa-floods|title=East Africa floods|website=BBC News|language=en|access-date=2020-01-10}}</ref> Sebagai akibat dari perubahan iklim, diperkirakan bahwa fase positif IOD akan lebih sering terjadi di waktu yang akan datang, sehingga menyebabkan peningkatan curah hujan yang luar biasa di wilayah pantai timur Afrika.<ref>{{Cite journal|last1=Chu|first1=Jung-Eun|last2=Ha|first2=Kyung-Ja|last3=Lee|first3=June-Yi|last4=Wang|first4=Bin|last5=Kim|first5=Byeong-Hee|last6=Chung|first6=Chul Eddy|date=2014-07-01|title=Future change of the Indian Ocean basin-wide and dipole modes in the CMIP5|journal=Climate Dynamics|language=en|volume=43|issue=1|pages=535–551|doi=10.1007/s00382-013-2002-7|issn=1432-0894|doi-access=free}}</ref><ref>{{Cite journal|last1=Zheng|first1=Xiao-Tong|last2=Xie|first2=Shang-Ping|last3=Du|first3=Yan|last4=Liu|first4=Lin|last5=Huang|first5=Gang|last6=Liu|first6=Qinyu|date=2013-03-01|title=Indian Ocean Dipole Response to Global Warming in the CMIP5 Multimodel Ensemble|journal=Journal of Climate|volume=26|issue=16|pages=6067–6080|doi=10.1175/JCLI-D-12-00638.1|issn=0894-8755}}</ref><ref>{{Cite journal|last1=Cai|first1=Wenju|last2=Wang|first2=Guojian|last3=Gan|first3=Bolan|last4=Wu|first4=Lixin|last5=Santoso|first5=Agus|last6=Lin|first6=Xiaopei|last7=Chen|first7=Zhaohui|last8=Jia|first8=Fan|last9=Yamagata|first9=Toshio|date=2018-04-12|title=Stabilised frequency of extreme positive Indian Ocean Dipole under 1.5 °C warming|journal=Nature Communications|language=en|volume=9|issue=1|page=1419|doi=10.1038/s41467-018-03789-6|issn=2041-1723|pmc=5897553|pmid=29650992}}</ref><ref>{{Cite journal|last1=Kendon|first1=Elizabeth J.|last2=Stratton|first2=Rachel A.|last3=Tucker|first3=Simon|last4=Marsham|first4=John H.|last5=Berthou|first5=Ségolène|last6=Rowell|first6=David P.|last7=Senior|first7=Catherine A.|date=2019-04-23|title=Enhanced future changes in wet and dry extremes over Africa at convection-permitting scale|journal=Nature Communications|language=en|volume=10|issue=1|page=1794|doi=10.1038/s41467-019-09776-9|issn=2041-1723|pmc=6478940|pmid=31015416}}</ref>
 
Sementara itu, fase negatif fenomena IOD ini berdampak pada [[kekeringan]] berkepanjangan di wilayah pantai timur Afrika. Hal tersebut diakibatkan oleh rendahnya curah hujan yang disebabkan oleh rendahnya tingkat evaporasi di wilayah perairan Samudra Hindia bagian barat yang suhu air permukaan lautnya menurun.<ref>http://ftp.comet.ucar.edu/memory-stick/tropical/textbook_2nd_edition/media/graphics/indian_ocean_dipole_whoi.jpg</ref>
 
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