PERANAN CROSS EQUATORIAL NORTHERLY SURGE TERHADAP DINAMIKA ATMOSFER DI WILAYAH INDONESIA BAGIAN BARAT

Jurnal Sains & Teknologi Modifikasi Cuaca

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Title PERANAN CROSS EQUATORIAL NORTHERLY SURGE TERHADAP DINAMIKA ATMOSFER DI WILAYAH INDONESIA BAGIAN BARAT
 
Creator Pujiastuti, Tyas Tri
Nurjaman, Nurjaman
 
Subject Cross Equatorial Northerly Surge
Dinamika Atmosfer
 
Description IntisariPada saat monsun dingin Asia berlangsung pada Oktober hingga Maret, sebagian wilayah Indonesia mengalami peningkatan curah hujan yang signifikan dibandingkan saat periode April hingga September. Selain dari pengaruh monsun, cuaca di wilayah Indonesia juga dipengaruhi oleh sirkulasi skala global dan regional yang terjadi secara simultan. Hal ini dapat memengaruhi dinamika atmosfer di sebagian wilayah Indonesia. Pada penelitian ini, dikaji aktivitas cross equatorial northerly surge yang terjadi pada skala regional serta dampaknya terhadap dinamika atmosfer di wilayah Indonesia bagian barat khususnya Laut China Selatan bagian selatan hingga Laut Jawa. Hasil penelitian menunjukkan bahwa cross equatorial northerly surge pada tahun 2013 terjadi paling kuat pada saat bersamaan dengan cold surge, dan memengaruhi pola divergensi, transpor kelembapan, dan omega, terutama di wilayah utama pada penelitian ini yaitu perairan Laut China Selatan hingga Laut Jawa, yang berpotensi mendukung terjadinya cuaca buruk di wilayah Bangka Belitung dan Jawa bagian barat.   AbstractDuring the Asia winter monsoon from October to March, parts of the Indonesian region experienced significant rainfall increases compared to the period from April to September. Apart from monsoon influence, the weather in the Indonesian region was also influenced by global and regional scale circulations, which occurred simultaneously. This can affect atmospheric dynamics in parts of the Indonesian region. In this study, the activities of cross-equatorial northerly surge that occurred on a regional scale and its impact on atmospheric dynamics conditions in western Indonesia, especially the southern South China Sea to the Java Sea, are examined. The results showed that the cross-equatorial northerly surge in 2013 occurred most strongly at the same time as cold surge, and influenced divergence, moisture transport, and omega patterns, particularly in the main research areas including South China Sea to the Java Sea, which have the potential to excite severe weather in Bangka Belitung and Western part of Java. 
 
Publisher BPPT
 
Date 2020-04-03
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://ejurnal.bppt.go.id/index.php/JSTMC/article/view/3488
10.29122/jstmc.v20i1.3488
 
Source Jurnal Sains & Teknologi Modifikasi Cuaca; Vol. 20 No. 1 (2019): June 2019; 1 - 11
2549-1121
1411-4887
10.29122/jstmc.v20i1
 
Language eng
 
Relation http://ejurnal.bppt.go.id/index.php/JSTMC/article/view/3488/3351
 
Rights Copyright (c) 2020 Jurnal Sains & Teknologi Modifikasi Cuaca
 

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