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All Journal Jurnal Teknologi Perikanan dan Kelautan Jurnal Ilmu dan Teknologi Kelautan Tropis Journal of Marine and Aquatic Sciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences Majalah Geografi Indonesia Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Al-Ahkam Jurnal Kelautan Tropis Panrita Abdi - Jurnal Pengabdian pada Masyarakat Journal of Applied Geospatial Information Jurnal Sumberdaya Akuatik Indopasifik Omni-Akuatika Dinamika Maritim Jurnal Ilmu Kelautan Kepulauan Jurnal Kelautan Nasional Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine
Nyoman M N Natih
Department Of Marine Science & Technology, IPB University, Bogor 16880, Indonesia
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Library & Information Science Physics Other

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Journal : Journal of Applied Geospatial Information

 1 
Patterns and Tidal Characteristics of East Coast of Bintan Island, Riau Archipelago Province Mario Putra Suhana; I Wayan Nurjaya; Nyoman Metta N. Natih
Journal of Applied Geospatial Information Vol 2 No 1 (2018): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v2i1.642

Abstract

Tide is one of the important factors that affect the oceanographic processes around widely as waters flow. Tides also give significant effects against the dynamic of coastal area. This research was conducted considering the importance roles of tides data against all oceanographic phenomenon that gives the effects on activities around the area of coastal waters. This research was conducted around the area of east coast of Bintan Island Riau Archipelago Province in December 2017. Tidal data is retrieved from the global tidal modelling uses MIKE 21. The results of the analysis show the range of tidal height on the east coast of Bintan Island during 2007-2017 is 0.70-3.50 m of height range with the average of mean sea level (MSL) is 2.20-2.60 m. Generally, tidal fluctuations on east coast of Bintan Island form an asymmetric pattern which is a common pattern occurring in any waters. The tidal type of the east coast of Bintan Island is mixed predominantly semi diurnal with the value of formzahl number in each station respectively is 1.19-1.44. The interesting phenomenon obtained from this research is during 2007-2017 the maximum of sea level height in each station tends to decrease, this is considered attractive because over the past 20 years earth surface temperature have tended to increase so that melting of ice in polar has implications for increasing of sea water volume. Keywords: Tide, harmonics component, oceanography, east coast of Bintan Island
The Value of Acoustic Backscattering in Determining the Integration Thickness of the Seabed in Yos Sudarso Bay Papua Sri Pujiyati; Nyoman MN Natih; Baigo Hamuna; Lisiard Dimara
Journal of Applied Geospatial Information Vol 3 No 2 (2019): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5.287 KB) | DOI: 10.30871/jagi.v3i2.1605

Abstract

A considerable amount of research has already been conducted into the nature of water on the ocean floor/seabed, ranging from mapping of the seabed, volume backscattering strength (SV) of acoustics on the seabed, classification of the seabed, besides the relationship between the ocean floor and the biota above it with which it interacts. The Yos Sudarso Bay, Jayapura Papua, is a bay with a seabed which faces the floor of the Pacific Ocean and also forms the estuary of the river Anafre which contributes particles that settle on the seabed. This research aimed to collect data in order to understand differences in the integration of water thickness at 0.2 m and 0.5 m besides differences in the types of the substrate based on the results of SV. Data was collected using a single beam echosounder. The acoustic data were collected at 11 stations. The result is interval of value of SV ranged from -37.81dB to -15.62 dB (at the integration of 0.2 m) up to -15.07dB (at the integration of 0.5 m). The value of SV from the gravel was higher compared to the values found in the coarse sand, fine sand, mud mixed with sand or the pure mud. The lowest value of SV was found in the mud substrate. Results showed that thickness integration yielded different results when tested at 0.2 m and 0.5 m on the seabed. Furthermore, it was found that different types of substrate.
Co-Authors Abdul Motalib Angkotasan Abdurrachman Baksir, Abdurrachman Achmad, M. Djanib Agus Atmadipoera Amir Yarkhasy Yuliardi Asep Sandra Budiman, Asep Sandra Baigo Hamuna Baigo Hamuna Baigo Hamuna Baigo Hamuna Baigo Hamuna Beale, Calvin S. Beginer Subhan Bisman Nababan Darmiyati Muksin Daud, Asmar Hi Dea Fauzia Lestari, Dea Fauzia Dedi Sugianto Dietriech Geoffrey Bengen Dondy Arafat Eko S Wibowo Endang Sunarwati Srimariana Erwin Maulana Ferawati Runtuboi Firdaut Ismail Gentio Harsono Husmayani, Wa Ode I Wayan Nurjaya Ikbal Marus Ikbal Marus, Ikbal Indra Jaya Indra Jaya Indra Jaya Irmalita Tahir Irmalita Tahir, Irmalita Ismail, Firdaut Joko Santoso Jonson Lumban Gaol Karman, Amirul Kemal Taj Kentaro Ando Khairunnisa Khairunnisa Kotta, Raismin Krisna Rendi Awalludin Leica Febby Shafitri Lisiard Dimara Mario Putra Suhana Marlis Yulianto Meutia Samira Ismet Mochamad Tri Hartanto Muhamad Gilang Arindra Putra Muhamad Gilang Arindra Putra Muhamad Muliadi Muhammad Agus Muljanto Najamuddin N Najamuddin Najamuddin, Najamuddin Nebuchadnezzar Akbar Neviaty P Zamani NEVIATY PUTRI ZAMANI Neviaty Putri Zamani Paembonan, Rustam E Rasidi, Rasidi Rastina Rastina Ratuluhain, Eva Susan Rika Anggraini Risandi Dwirama Putra Riyadi Subur, Riyadi Riza Aitiando Pasaribu Rustam E Paembonan Rustam Effendi Paembonan, Rustam Effendi Sallatu, Muh Ashry Salnuddin Salnuddin, Salnuddin Salnuddin, Salnudin Sartini Baddu Selviani, Selviani Septy Heltria Siolimbona, Abdul Ajiz Sri Hadianti Sri Pujiyat Sri Pujiyati Steven Solikin Syamsul Bahri Agus, Syamsul Bahri Syawaludin Alisyahbana Harahap Tarigan, Nurhayati Wahab, Iswandi Wahyu W Pandoe Wibowo, Eko S Zulfikar, Andi