CD Skripsi
Analisis Pengaruh Fenomena Indian Ocean Dipole Terhadap Distribusi Anomali Suhu Permukaan Laut Dan Intensitas Curah Hujan Di Sumatera Barat
ABSTRACT
The waters of West Sumatera that face directly into Indian Ocean is strongly influenced
by Indian Ocean Dipole (IOD) phenomenon which caused an anomaly of sea surface
temperature (SST) and affect rainfall intensity in the West Sumatera Province. This
research was aimed to know the effect of IOD on the distribution and anomaly of SST
and rainfall intensity in West Sumatera. Data processing methods in this research is using
statistical and descriptive. The data used in this research are NOAA OI-SST, Dipole Mode
Index (DMI), and rainfall data from BKMG. The results showed that IOD positive
occured in October 2018 and the IOD negative occured in July 2016. During the positive
IOD, SST distribution values were 28 ˚C – 28,8 ˚C and SST anomaly values were -1,2 to
-0,4, in the negative phase the distribution of SST values were 29,8 ˚C – 30,35 ˚C and the
SST anomaly values were 0,15 to 0,7. The rainfall intensity during positive IOD phase is
157 mm/month and during negative IOD phase is 525 mm/month.
Keywords: IOD, Sea Surface Temperature, Rainfall Intensity, West Sumatera Waters
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