44 results for "Muhammad Zainuddin Lubis"
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Journal Article
Geology Structure Identification Using Pre-Stack Depth Migration (PSDM) Method of Tomography Result in North West Java Basin
North West Java Basin is a tertiary sedimentary basin which is located in the right of the western part of the Java island. North West Java Basin is geodynamic where currently located at the rear position of the path of the volcanic arc of Java that is the result of the India-Australia plate…
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Journal Article
PENGARUH AKLIMATISASI KADAR GARAM TERHADAP NILAI KEMATIAN DAN TINGKAH LAKU IKAN GUPPY (POECILIA RETICULATA) SEBAGAI PENGGANTI UMPAN IKAN CAKALANG (Katsuwonus Pelamis)
Aklimatisasi merupakan suatu upaya penyesuaian fisiologis atau adaptasi dari suatu organisme terhadap suatu lingkungan baru yang akan dimasukinya. Penelitian ini mengamati proses aklimatisasi kadar garam pada ikan guppy (Poecilia reticulata). Proses aklimatisasi kadar garam pada ikan Guppy yang…
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Journal Article
Fish stock estimation in Sikka Regency Waters, Indonesia using Single Beam Echosounder (CruzPro fish finder PcFF-80) with hydroacoustic survey method
Sikka regency waters including fishery management with a high utilization status so that the necessary stages of an intensive monitoring and research potential of fish resources. This study aimed to obtain the estimated value of stock biomass and density of fish resources with the acoustic method…
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Journal Article
Modeling accessibility of community facilities using GIS: case study of Depok City, Indonesia
Improving community accessibility based on transport connectivity helps to address equity issues. Geographical information systems (GIS) provide useful techniques for capturing, maintaining and analyzing spatial data to defining community issues. The objective of this study is to model…
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Journal Article
Acoustic systems (split beam echo sounder ) to determine abundance of fish in marine fisheries
Acoustic waves are transmitted into the subsurface ocean will experience scattering (scattering) caused by marine organisms, material distributed in the ocean, the structure is not homogeneous in seawater, as well as reflections from the surface and the seabed. Estimation of fish stocks in the…
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Journal Article
PEMANFAATAN CITRA LANDSAT 8 UNTUK MEMETAKAN PERSEBARAN LAMUN DI WILAYAH PESISIR PULAU BATAM
Satelit landsat 8 memberikan informasi (citra/gambar/foto peta) secara gratis yang bisa di unduh dari website resmi. Peneliti menggunakan beberapa software seperti ENVI, ER MAPPER, dan ArcGIS yang merupakan software untuk pengolahan citra. Analisis Lyzenga digunakan untuk pengkoreksian kolom…
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Journal Article
Spatial Variability of Tidal Characteristics in Bintan Coastal Waters: A Case Study of Moco Port, Bakau Bay, and Tanjung Uban Port
Tidal dynamics play a crucial role in coastal processes, port operations, and coastal management, particularly in regions characterized by complex oceanographic interactions such as Bintan Island, Riau Islands Province, Indonesia. This study analyzes the spatial variability of tidal characteristics…
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Journal Article
The Characteristics of Significant Wave Height and Sea Surface Temperature In The Sunda Strait
Sunda Strait has an important role in the water mass exchange from the Pacific Ocean and the Indian Ocean so that the oceanographic condition is strongly affected by seasonal factors. The purpose of this study is to observe the relationship and the characteristics of significant wave height (SWH)…
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Journal Article
PENGARUH ANEMON (Heteractis magnifica) TERHADAP VITALITAS IKAN BADUT (Amphiprion oscellaris) UNTUK MEMINIMALISASI PENGGUNAAN KARANG HIDUP PADA AKUARIUM LAUT BUATAN
Anemon laut adalah kerabat dekat dari karang. Binatang ini merupakan salah satu biota laut yang digemari oleh kalangan pecinta akuarium hias air laut. Bentuk tubuhnya menyerupai bunga karang dengan warna yang indah pada tubuhnya. Anemon laut ini merupakan hewan lunak yang tergolong dalam hewan…
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Journal Article Full text
Indonesian Throughflow in the Halmahera Sea: A Review
The Indonesian Throughflow (ITF) significantly influences global climate and interoceanic exchange. This review synthesizes recent findings on the Halmahera Sea’s role within the ITF, emphasizing its physical mechanisms, climatic modulation, and ecological consequences. Despite being a minor route…
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Journal Article
Seabed Detection Using Application Of Image Side Scan Sonar Instrument (Acoustic Signal)
The importance of knowing the method for seabed detection using side-scan sonar images with sonar instrument is a much-needed requirement right now. This kind of threat also requires frequent sonar surveys in such areas. These survey operations need specific procedures and special equipment to…
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Journal Article
Whistle sound detection and behaviour of male dolphin bottle nose (Tursiops aduncus) using noisy time domain modelling in captivity
Whistle sound is a voice that is intended to echolocation, whistle sound is a major role in internal and inter-group communication. The objective research is to know the power spectral patterns and fluctuations in sound based on frequency of the sounds produced by dolphins and observing the…
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Journal Article
Factors affecting land transfer function and its impact on farmers' income in Srigading Village, Sanden Sub-district, Bantul Regency
Coastal area is a specific area where the region can be used as a tourist area, settlements, and agriculture. Some forms of utilization in the field of agriculture, among others, is farming of paddy fields or fishery ponds. As is the case along the southern coast of the Special Territory of…
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Journal Article
Accuracy Evaluation of Regional and Global Tidal Models (TPXO9 and Goddard Ocean Tide) at Kabil Tidal Station
Indonesia is an archipelagic country with a total marine area of 5.9 million km², consisting of 3.2 million km² of territorial waters and 2.7 km² of Exclusive Economic Zone waters, not including the continental shelf. With the vast waters in Indonesia, sufficient information about the tides is…
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Journal Article
Pemberdayaan Masyarakat Nongsa dengan Pembelajaran Penentuan Daerah Penangkapan Ikan Berbasis Teknologi di Bidang Kelautan
The limitation of technology in the marine sector is a big problem faced by every coastal region in Indonesia. By looking at the income levels decreasion in Batam City area and the whole Batam Island, technology is the answer to overcome this problem. This community service activity aims to improve…
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Journal Article
The Coherency and Correlation between Sea Surface Temperature and Wind Velocity in Malacca Strait: Cross Wavelet Transform and Wavelet Coherency Application
This study tried to observe the correlation and coherency between sea surface temperature (SST) and wind velocity in the Malacca Strait at the year of 2015. The SST and wind velocity data with 6 hours interval step have been used in this study. S-Transform, the Cross Wavelet Transform, and the…
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Journal Article
KARAKTERISTIK BIOAKUSTIK DAN TINGKAH LAKU LUMBA-LUMBA JANTAN HIDUNG BOTOL (Tursiops aduncus)
Bioakustik adalah ilmu yang menggabungkan biologi dan akustik yang biasanya merujuk pada penelitian mengenai produksi suara, dispersi melalui media elastis, dan penerimaan pada hewan, termasuk manusia. Penelitian ini mengamati tingkah laku lumba-lumba jantan dengan melakukan pendekatan ilmu…
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Journal Article
BIOAKUSTIK SUARA STRIDULATORY GERAK IKAN GUPPY (Poecilia reticulata) PADA AIR BERSALINITAS
Studi bioakustik mempelajari produksi suara, dispersi melalui media elastis, dan penerimaan pada hewan, termasuk manusia. Intensitas amplitude suara, fluktuasi suara, dan bentuk pola-pola suara ikan. Bioakustik adalah ilmu lintas-disiplin yang menggabungkan biologi dan akustik yang biasanya merujuk…
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Journal Article
Modified Soil-Adjusted Vegetation Index In Multispectral Remote Sensing Data for Estimating Tree Canopy Cover Density at Rubber Plantation
Forest inventories such as tree canopy density information require a long time and high costs, especially on extensive forest coverage. Remote sensing technology that directly captures the surface vegetation character with extensive recording coverage can be used as an alternative to carrying out…
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Journal Article
Application of Fixed-Wing UAVs to Develop Digital Terrain Model on Coastal Peatland Bengkalis Island
Destructive abrasion is currently occurring in Teluk Papal Village. The coast of Teluk Papal Village has a humus soil structure with soil conditions with a type of peat that is relatively easy to decompose. The cause is along the coast because of the absence of coastal protection plants…