A semiannual Indian Ocean forced Kelvin wave observed in the Indonesian seas in May 1997

Sprintall, Janet; Gordon, Arnold L.; Murtugudde, Ragu; Susanto, R. Dwi

doi:10.1029/2000jc900065

Cited by 183 publications

(193 citation statements)

References 20 publications

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“…During the monsoon transition periods, i.e. April-May and October-November, equatorial westerlies generate equatorial downwelling Kelvin waves propagating eastward and become coastally trapped waves along the Sumatra and Java Islands [Clarke and Liu, 1993;Sprintall, 2000]. These waves play important roles in the upwelling and downwelling processes along these coasts.…”

Section: Introductionmentioning

confidence: 99%

Upwelling along the coasts of Java and Sumatra and its relation to ENSO

Susanto¹,

Gordon²,

Zheng³

2001

Geophysical Research Letters

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346

299

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Abstract. Upwelling along the Java-Sumatra Indian Ocean coasts is a response to regional winds associated with the monsoon climate. The upwelling center with low sea surface temperature migrates westward and toward the equator during the southeast monsoon (June to October). The migration path depends on the seasonal evolution of alongshore winds and latitudinal changes in the Coriolis parameter. Upwelling is eventually terminated due to the reversal of winds associated with the onset of the northwest monsoon and impingement of Indian Ocean equatorial Kelvin waves. Significant interannual variability of the Java-Sumatra upwelling is linked to ENSO through the Indonesian throughflow (ITF) and by anomalous easterly wind. During E1 Nifio episodes, the Java-Sumatra upwelling extends in both time (into November) and space (closer to the equator). During E1 Nino (La Nifia), the ITF carries colder (warmer) water shallowing (deepening) thermocline depth and enhancing (reducing) upwelling strength.

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Section: Introductionmentioning

confidence: 99%

Upwelling along the coasts of Java and Sumatra and its relation to ENSO

Susanto¹,

Gordon²,

Zheng³

2001

Geophysical Research Letters

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346

299

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“…APJ membawa massa air yang lebih hangat dan lapisan permukaan tercampur menjadi lebi tebal (Sprintall et al, 2000). Pada musim perlalihan (Mei dan Oktober), Gelombang Kelvin dapat memasuki wilayah ini dari sisi barat.…”

Section: Pendahuluanunclassified

“…Pada musim perlalihan (Mei dan Oktober), Gelombang Kelvin dapat memasuki wilayah ini dari sisi barat. Sprintall et al (2000) menunjukkan bahwa anomali suhu yang lebih hangat pada bulan musim peralihan I (April/Mei) di pantai selatan Jawa berkaitan dengan tibanya Gelombang Kelvin. Kondisi ini menyebabkan penebalan lapisan tercampur dan termoklin semakin tertekan ke bawah.…”

Section: Pendahuluanunclassified

“…http://itk.fpik.ipb.ac.id/ej_itkt52 Sedangkan SPL yang relatif tinggi pada Musim Peralihan I diduga diakibatkan oleh Gelombang Kelvin (Sprintall et al, 2000).…”

Section: Sebaran Menegak Dan Temporalunclassified

“…Fluktuasi setengah tahunan diduga berkaitan dengan Gelombang Kelvin yang membawa massa air hangat dan mempertebal lapisan tercampur pada musim-musim peralihan (Sprintall et al, 2000). Fluktuasi setengah tahunan ditemukan pada kedalaman 200 m yang mengindikasikan pengaruh Gelombang Kelvin yang paling kuat pada kedalaman 200 m di perairan Senunu.…”

Section: Spektrum Densitas Energiunclassified

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Temperature Variability at Senunu Bay, West Sumbawa

Hidayat¹,

Purba²,

Waworuntu³

2013

J. Ilmu dan Teknologi Kelautan Tropis

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ABSTRACTberkaitan dengan IODM positif dimana SPL menurun akibat terjadinya intensifikasi angin yang lebih kuat di atas perairan Samudera Hindia tropis bagian timur dan selatan Jawa Sumbawa yang mengakibatkan upwelling yang kuat di wilayah ini. Spektrum densitas suhu pada lapisan tercampur dan termoklin dipengaruhi fluktuasi tahunan, setengah tahunan, intra-tahunan dan antar-tahunan. Korelasi silang angin dan suhu menunjukkan korelasi erat pada periode tahunan.

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A model for quantifying oceanic transport and mesoscale variability in the Coral Triangle of the Indonesian/Philippines Archipelago

Castruccio

Curchitser

Kleypas

2013

J. Geophys. Res. Oceans

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[1] The Indonesian Throughflow region (ITF) continues to pose significant research challenges with respect to its role in the global ocean circulation, the climate system, and the ecosystem sustainability in this region of maximum marine biodiversity. Complex geography and circulation features imply difficulties in both observational and numerical studies. In this work, results are presented from a newly developed high-resolution model for the Coral Triangle (CT) of the Indonesian/Philippines Archipelago specifically designed to address regional physical and ecological questions. Here, the model is used to quantify the transport through the various passages, sea surface temperature and mesoscale variability in the CT. Beyond extensive skill assessment exhibiting the model ability to represent many conspicuous features of the ITF, the high-resolution simulation is used to describe the mesoscale and submesoscale circulation through the application of Finite Size Lyapunov Exponents (FSLEs). The distribution of FSLEs is used to quantify the spatiotemporal variability in the regional mixing characteristics. The modeled seasonal and interannual variability of mixing suggests a link to large-scale climate signals such as ENSO and the Asian-Australian monsoon system.

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A semiannual Indian Ocean forced Kelvin wave observed in the Indonesian seas in May 1997

Cited by 183 publications

References 20 publications

Upwelling along the coasts of Java and Sumatra and its relation to ENSO

Upwelling along the coasts of Java and Sumatra and its relation to ENSO

Temperature Variability at Senunu Bay, West Sumbawa

A model for quantifying oceanic transport and mesoscale variability in the Coral Triangle of the Indonesian/Philippines Archipelago

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