STUDI PENGARUH MJO (MADDEN JULIAN OSCILLATION) TERHADAP TINGGI GELOMBANG DI PERAIRAN UTARA TELUK JAKARTA
North Water of Jakarta Bay (106,6oE-107,1oE dan 5,65oS-6,15oS) has a low wave height which can suddenly increase drastically. The cause of this phenomenon is thought to be MJO (Madden-Julian Oscillation) which will be the main focus of this study. SWAN model (Simulating Waves Nearshore) is being...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/44790 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | North Water of Jakarta Bay (106,6oE-107,1oE dan 5,65oS-6,15oS) has a low wave
height which can suddenly increase drastically. The cause of this phenomenon is thought to be
MJO (Madden-Julian Oscillation) which will be the main focus of this study. SWAN model
(Simulating Waves Nearshore) is being used in the study with the input consist of CCMP wind
field (Cross-Calibrated Multi Purpose) data with 0,250x0,250 resolution from 1981-2011 and
GEBCO (General Bathymetric Chart of The Oceans) bathymetry data with 30 second
resolution. Result of the study found that MJO has the strongest influence on the phase five in
DJF season. Increase in the wind speed reach 2,2 m/s, from 3,5 to 5,7 m/s and increase in
wave height reach 40 cm, from to 20 to 60 cm. MJO can also cause a decrease in wind speed
up to1 m/s, from 3,5 to 2 m/s and decrease in wave height up to 6 cm, from 20 to 14 cm in
phase three. The same influence also found in MAM season but with smaller influence. MJO
occurrence in JJA and SON season doesn’t pose any significant changes on the wind speed
and wave height. |
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