A5038342681- Oceanographic and Atmospheric Processes
- Geological and Geophysical Studies
- Marine and fisheries research
- Ocean Waves and Remote Sensing
- Marine and Coastal Ecosystems
- Coastal Management and Development
- Climate variability and models
- Tropical and Extratropical Cyclones Research
- Marine and coastal ecosystems
- Agricultural and Environmental Management
- Arctic and Antarctic ice dynamics
- Edcuational Technology Systems
- Environmental Engineering and Cultural Studies
- Marine Bivalve and Aquaculture Studies
- Wind and Air Flow Studies
- Urban Heat Island Mitigation
- Educational Curriculum and Learning Methods
- Engineering and Technology Innovations
- Food Industry and Aquatic Biology
- Microplastics and Plastic Pollution
- Earthquake Detection and Analysis
- Power Transformer Diagnostics and Insulation
- Recycling and Waste Management Techniques
- Geophysics and Gravity Measurements
- Computational Fluid Dynamics and Aerodynamics
GEOMAR Helmholtz Centre for Ocean Research Kiel
2021-2025
National Nuclear Energy Agency of Indonesia
2022-2025
National Research and Innovation Agency
2021-2024
Indonesian Institute of Sciences
2012-2022
Pusat Penelitian Arkeologi Nasional
2020
Pancasila University
2020
University of Southern Queensland
2017-2019
National Oceanography Centre
2019
Abstract The Maluku Channel is a major opening of the eastern Indonesian Seas to western Pacific Ocean, upper-ocean currents which have rarely been observed historically. During December 2012–November 2016, long time series upper transport are measured successfully for first using subsurface oceanic moorings. measurements show significant intraseasonal-to-interannual variability over 14 Sv (1 ≡ 10 6 m 3 s −1 ) in 300 or so, with mean 1.04–1.31 northward and southward interannual change 3.5...
The Indonesian Throughflow plays an important role in the global ocean circulation and climate. Existing studies of have focused on Makassar Strait exit straits, where upper thermocline currents carry North Pacific waters to Indian Ocean. Here we show, using mooring observations, that a previous unknown intermediate western boundary current (with core at ~1000 m depth) exists Maluku Sea, which transports (primarily Antarctic Intermediate Water) from into Seram-Banda Seas through Lifamatola...
Abstract For the first time, processes controlling variations of mixed layer temperature (MLT) and salinity (MLS) in Banda Sea are quantified using data from a single Argo float combination with satellite reanalysis outputs August 2017 to 2019. This augments previous studies that utilized ocean model only. We document presence barrier quantify roles air-sea heat mass exchanges, horizontal advection, vertical entrainment seasonal variability MLT MLS. find gains losses at interface main...
The application of the computational fluid dynamic method with several turbulence models to obtain right and ideal position test object in room has been carried out by analyzing pattern velocity distribution, pressure distribution intensity an open type subsonic wind tunnel chamber. reason is that made not following usual design procedures, but it more prioritizes chamber other parts. model used k-∊ model, k-ω RSM SST LES model. simulation results give lowest given which 0.8% while highest 11%.
The frequency of marine heatwaves (MHWs) events has been rising globally in recent years, and this trend is expected to continue the region off coast south Java Island. These oceanic extreme may have potential devastate habitats, ecosystems fisheries. This paper characterized MHWs from 1982 2019 using satellite-observed sea surface temperature. aim study was examine dynamics one Indonesia's most important fisheries hotspots, located southeast tropical Indian Ocean. We identified two strong...
Abstract The Banda Sea is of crucial importance for the circulation world's oceans, as it part connection between Pacific to Indian Ocean. One peculiarity upper ocean hydrography in occurrence barrier layers. regionality and temporal variability layer thickness (BLT) are examined this study utilizing in‐situ observations reanalysis output. It found that a occurs over 90 % observational data profiles, 72 those BLT shallower than 10 m. Furthermore, we find seasonal cycle with maximum about 60...
Abstract The Indo‐Australian Basin (IAB) constitutes a crucial water route for the global ocean's circulation between Pacific and Indian Oceans. Locally generated eddies contribute to continued westward transport of away from IAB. In this paper, results first comprehensive regional ocean eddy census are discussed. A hybrid tracking algorithm is used analyze satellite altimetry data 1993 2018. total 2,792 were identified tracked. Cyclonic anticyclonic exhibit geographical segregation in terms...
Abstract An autonomous underwater glider was deployed in the Maluku Channel during 1 December 2018 through 21 February 2019 to measure temperature and salinity profiles of upper ∼1,000 m continuously. The measurements suggest intraseasonal variations Pacific water mass intrusions into Channel, which has not been reported before. North Tropical Intermediate Waters are found intrude episodically eastern at depths 130–180 250–300 m, respectively, January 2019, each lasting for a few days week....
Abstract. Numerical hydrodynamics model MOHID based on General Ocean Turbulence Model formula was used to study the tidal current in Makassar waters. The data this are elevation and bathymetry from GEBCO. simulation conducted for 30 days. results show that velocity ranged between 0,001 m/s – 0,012 m/s. during neap tide is smaller than spring tide. pattern of waters dominantly flows towards westward then turned heading northward direction. result tide-induced residual verification point shows...
Abstract The mean circulation and volume budgets in the upper 1200 m of Maluku Sea are studied using multiyear current meter measurements four moorings Channel one synchronous mooring Lifamatola Passage. show that depth range 60–450 is northward toward Pacific Ocean with a transport 2.07–2.60 Sv (1 ≡ 10 6 3 s −1 ). In 450–1200 m, western boundary (WBC) flows southward through connects flow currents central-eastern found to at this range, suggesting an anticlockwise intensified gyre middle...
The vertical structure of internal tidal currents in the Jailolo Strait Indonesian seas is studied using year-long mooring observations with two Acoustic Doppler Current Profiler instruments looking upward and downward, respectively, coving full depth strait. barotropic tides are extracted from full-depth current profile measurements, showing dominant M2, K1, O1 amplitudes 13.5 cm s−1, 11.0 s−1 7.6 nearly reciprocating movement direction 34.5°, 63.1°, 75.2° clockwise due north. contributing...
Pengamatan mengenai perubahan garis pantai di pesisir Kabupaten Subang, Jawa Barat telah dilakukan dengan menggunakan program Digital Shoreline Analysis System berdasarkan citra satelit Landsat TM dari tahun 1996–2010. Tujuan penelitian ini adalah untuk mengetahui besar Subang serta zonasi kawasan yang mengalami tersebut. Metode digunakan pemprosesan dan survey lapangan. Hasil menunjukkan bahwa 1996–2010 perairan oleh adanya akresi abrasi maksimalnya sejauh lebih 1 km. analisis regresi...
Abstract The currents and water mass properties at the Pacific entrance of Indonesian seas are studied using measurements three subsurface moorings deployed between Talaud Halmahera Islands. moored current meter data show northeastward mean toward Ocean in upper 400 m during nearly 2-yr mooring period, with maximum velocity northern part channel. transport 60- 300-m depths is estimated to be 10.1–13.2 Sv (1 ≡ 10 6 3 s −1 ) 2016–17, when all have measurements. variability along-channel...
The short-lived tropical squall lines could trigger weather-related hazards to the northern part of Indonesia Maritime Continent (IMC), such as Sumatra and Kalimantan. Herein, we investigated rare propagation event long-lived line associated with a severe storm surge that induced coastal inundation in Java-Bali devastating impacts from 22 May–2 June 2020. With comprehensive approach combining observational, numerical, analytical studies, for first time, proposed possible mechanism related...