| Hendrawan I Gede,Asai Koji,Triwahyuni Andhita,Lestari Diah Valentina. 2019. The interanual rainfall variability in Indonesia corresponding to El Niño Southern Oscillation and Indian Ocean Dipole. Acta Oceanologica Sinica, 38(7):57－66 |
| The interanual rainfall variability in Indonesia corresponding to El Niño Southern Oscillation and Indian Ocean Dipole |
| The interanual rainfall variability in Indonesia corresponding to El Niño Southern Oscillation and Indian Ocean Dipole |
| Received:May 02, 2018 |
| DOI：10.1007/s13131-019-1457-1 |
| Key words:IOD ENSO Indonesian rainfall wavelet |
| 中文关键词: IOD ENSO Indonesian rainfall wavelet |
| 基金项目: |
| Author Name | Affiliation | E-mail | | Hendrawan I Gede | Department of Marine Science, Udayana University, Badung, Bali 80361, Indonesia | gede.hendrawan@unud.ac.id | | Asai Koji | Graduate School Science and Engineering, Yamaguchi University, Yamaguchi 755-8611, Japan | | | Triwahyuni Andhita | Graduate School Science and Engineering, Yamaguchi University, Yamaguchi 755-8611, Japan
Center for Remote Sensing and Ocean Sciences, Udayana University, Badung, Bali 80361, Indonesia | | | Lestari Diah Valentina | Department of Environmental Engineering, Faculty of Engineering, Mahasaraswati University, Denpasar, Bali 80236, Indonesia | |
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| Abstract: |
| The Impact of the Indian Ocean Dipole (IOD) and the El Niño Southern Oscillation (ENSO) event for Indonesian rainfall has been investigated for the period from 1950 to 2011. Inter-annual change of IOD and ENSO indices are used to investigate their relationship with Indonesian rainfall. By using the wavelet transform method, we found a positive significant correlation between IOD and Indonesian rainfall on the time scale of nearly 2.5-4 years. Furthermore, the positive significant correlation between ENSO (sea surface temperature anomaly at Niño3.4 area indices) and Indonesian rainfall exists for shorter than 2 years and between 5.5 to 6.5-year time scales. |
| 中文摘要: |
| The Impact of the Indian Ocean Dipole (IOD) and the El Niño Southern Oscillation (ENSO) event for Indonesian rainfall has been investigated for the period from 1950 to 2011. Inter-annual change of IOD and ENSO indices are used to investigate their relationship with Indonesian rainfall. By using the wavelet transform method, we found a positive significant correlation between IOD and Indonesian rainfall on the time scale of nearly 2.5-4 years. Furthermore, the positive significant correlation between ENSO (sea surface temperature anomaly at Niño3.4 area indices) and Indonesian rainfall exists for shorter than 2 years and between 5.5 to 6.5-year time scales. |
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