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All Journal Lembaran Ilmu Kependidikan Media Ilmu Keolahragaan Indonesia Unnes Journal of Sport Sciences Omni-Akuatika Kinestetik : Jurnal Ilmiah Pendidikan Jasmani Jurnal Riset Jakarta Jurnal Chart Datum Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Tri Aji
Jurusan Pendidikan Kepelatihan Olahraga Fakultas Ilmu Keolahragaan Universitas Negeri Semarang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Engineering Environmental Science Health Professions Public Health Social Sciences

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The Correlation of The Mixed Layer Depth with La Nina and El Nino Index In The Natuna Basin Aji, Tri; Pranowo, Widodo Setiyo; Asmoro, Nuki Widi; Agustinus, Agustinus; Kurniawan, Muhammad Azis; Rahmatullah, Amri
Journal Omni-Akuatika Vol 19, No 2 (2023): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2023.19.2.1089

Abstract

The Natuna Sea is one of the seas located in the northern part of Indonesia, which is influenced by several oceanographic climate phenomena, including the El Nino-Southern Oscillation (ENSO) system, such as La Nina and El Nino, which cause vertical temperature dynamics. This study aimed to examine the relationship between La Nina, El Nino, and normal years on the variability of the mixed layer depth in the Natuna Sea. The study utilized temperature data from the World Ocean Database (WOD) and Marine Copernicus for a period of 3 years, including years with La Nina, El Nino, and normal conditions, as well as mixed layer depth (defined by sigma theta) data from Marine Copernicus. the occurrence of La Nina, El Nino and normal years obtained from the Southern Oscillation Index (SOI). The results showed that the correlation of SOI values with the depth of Maximum Mix Layer Depth (MLD) during El Nino and La Nina was weak and very weak during the Normal year. During the La Nina, normal, and El Nino periods, the deepest MLD occurred during the west monsoon season at depths ranging from 7 to 60 meters. The shallowest MLD occurred during the first transition season at depths ranging from 7 to 25 meters. The MLD values during the east monsoon season depths ranging from 7 to 43 meters, and during the second transition season, the MLD ranges from 7 to 44 meters.
Relationship between water mass characters to Sound velocity profiler (SVP) in the Sulawesi Sea Agustinus, Agustinus; Pranowo, Widodo Setiyo; Manik, Henry Munandar; Rahmatullah, Amri; Aji, Tri
Depik Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.32296

Abstract

The Sulawesi Sea is the western entry point of the Indonesian throughflow, which brings water masses from the Pacific Ocean. This study aims to describe the relationship between water mass characteristics and Sound Velocity Profiler (SVP) in the Sulawesi Sea based on Marine Copernicus data from 2022 with a depth of up to 500 meters. Temperature and Salinity data were used to obtain water mass types from the Tpot-S diagram based on Emmery's classification and Sound Velocity Profiler (SVP) based on the Medwin empirical equation. The temperature, salinity, and SVP data were visualized using ODV 5.6.2 software. The data processing results have identified several water mass characteristics that are believed to be influenced by the Eastern North Pacific Central Water (ENPCW) water mass type found at depths ranging from 130 to 318 meters, Western North Pacific Central Water (WNPCW) water mass found at depths ranging from 130 to 500 meters, Eastern South Pacific Central Water (ESPCW) water mass found at depths ranging from 92 to 453 meters, and Western South Pacific Central Water (WSPCW) water mass found at depths ranging from 130 to 500 meters. The ENPCW water mass type on average has a smaller difference in SVP values compared to the WNPCW water mass type. Meanwhile, the ESPCW water mass type on average has a greater difference in SVP values compared to the WSPCW water mass type. The results indicate a positive relationship between temperature and SVP, meaning that the higher the temperature, the higher the SVP. However, there is a negative relationship between salinity and SVP, meaning that the higher the salinity, the lower the SVP.Keywords:Water MassTemperatureSalinitySound VelocitySulawesi Sea
Relationship between water mass characters to Sound velocity profiler (SVP) in the Sulawesi Sea Agustinus, Agustinus; Pranowo, Widodo Setiyo; Manik, Henry Munandar; Rahmatullah, Amri; Aji, Tri
Depik Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.32296

Abstract

The Sulawesi Sea is the western entry point of the Indonesian throughflow, which brings water masses from the Pacific Ocean. This study aims to describe the relationship between water mass characteristics and Sound Velocity Profiler (SVP) in the Sulawesi Sea based on Marine Copernicus data from 2022 with a depth of up to 500 meters. Temperature and Salinity data were used to obtain water mass types from the Tpot-S diagram based on Emmery's classification and Sound Velocity Profiler (SVP) based on the Medwin empirical equation. The temperature, salinity, and SVP data were visualized using ODV 5.6.2 software. The data processing results have identified several water mass characteristics that are believed to be influenced by the Eastern North Pacific Central Water (ENPCW) water mass type found at depths ranging from 130 to 318 meters, Western North Pacific Central Water (WNPCW) water mass found at depths ranging from 130 to 500 meters, Eastern South Pacific Central Water (ESPCW) water mass found at depths ranging from 92 to 453 meters, and Western South Pacific Central Water (WSPCW) water mass found at depths ranging from 130 to 500 meters. The ENPCW water mass type on average has a smaller difference in SVP values compared to the WNPCW water mass type. Meanwhile, the ESPCW water mass type on average has a greater difference in SVP values compared to the WSPCW water mass type. The results indicate a positive relationship between temperature and SVP, meaning that the higher the temperature, the higher the SVP. However, there is a negative relationship between salinity and SVP, meaning that the higher the salinity, the lower the SVP.Keywords:Water MassTemperatureSalinitySound VelocitySulawesi Sea
Pengaruh Latihan Squat Jump dan Bodyweight Squat Terhadap Kekuatan Otot Tungkai Pada Atlet Wushu Taolu di Kabupaten Kudus Ihsani, Ilham; Aji, Tri
Kinestetik : Jurnal Ilmiah Pendidikan Jasmani Vol 9 No 3 (2025): September
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jk.v9i3.43672

Abstract

This study aims to determine the effect of squat jump and bodyweight squat training on leg muscle strength of Kudus Regency Wushu athletes. Quantitative data from a quasi-experimental design are used in this study. The sample for this study included 16 individuals between the ages of 15 and 20 who were male and female Wushu Taolu practitioners in the Kudus Regency. The research instrument used pretest-posttest data collection with the vertical jump test. Normality tests, homogeneity tests, and t-test hypothesis tests are all included in data analysis procedures. The comes about appeared that there was a noteworthy impact of squat hop and bodyweight squat preparing on leg muscle quality of Kudus Regency Wushu Taolu athletes. The percentage increase in squat jump training is 15.31%, while bodyweight squat training has a percentage increase of 14.69%. This shows that squat jump training and bodyweight training both have a significant effect on increasing leg muscle strength.
Co-Authors Abdul Munir Adrianto, Dian Agustinus Agustinus Asmoro, Nuki Widi Choirul Umam, Choirul Hargiani, Fransisca Xaveria Henry Munandar Manik Hermawan Hermawan Ihsani, Ilham Khoerul Anam, Khoerul Kurniawan, Muhammad Azis Nasuka Nasuka, Nasuka Rahmatullah, Amri Widodo S Pranowo