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All Journal Juvenil: Jurnal Ilmiah Kelautan dan Perikanan Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan
Inayatul Lailiyah
Department Of Marine Science, Universitas Trunojoyo Madura, Bangkalan, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Energy Engineering Environmental Science Transportation

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Pemetaan Batimetri Alur Pelayaran Perahu Nelayan Sungai Tengket, Arosbaya, Bangkalan Ahmad Fahmi Wahyudi; Agus Romadhon; Inayatul Lailiyah; Ilham Cahya
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 4, Nomor 3, Edisi November 2023
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/zl.v4i3.31741

Abstract

Arosbaya is one of Madura's coastal areas on the north side of Madura Island. The Arosbaya River is a shipping channel for fishermen in the area to access the sea. To increase coastal potential, data on the depth of shipping lanes on the Arosbaya River is needed to ensure the safety of fishermen. Data on the depth of the shipping channel on the Arosbaya River was obtained from the results of a bathymetric survey. The aim of this research is to analyze the bathymetric conditions of the Arosbaya River waters and provide alternative solutions to the silting that occurs in fishing boat shipping lanes. A bathymetric survey was carried out on the Arosbaya River to the mouth of the Arosbaya River using a Garmin GPSMAP 585 sounding tool. Tidal data was obtained from secondary data and processed using the admiralty method to obtain the harmonic constant. It is known from the formzahl value obtained that f > 3 which means high and low tides. single daily type (diurnal tide). The water level height values ​​obtained were the highest high water level (HHWL) = 1.14 M, mean sea level (MSL) = 0 M, lowest low water level (LLWL) = -1.14 M which was used as a correction in the bathymetric sounding results for making shipping lanes. Soundings were carried out in the survey area with the deepest depth found, namely 2.6 meters which has been corrected for the lowest astronomical tide (LAT). Measurements on 2 types of fishing boat draft, namely curved and boat types, showed that the average draft height was 90-100 cm and 50 cm when the boat was empty without cargo in the water. Both types of fishing boats are included in boats measuring < 5 GT. The depth that the boat can traverse when empty is 50 cm, which makes the channel area smaller because it conforms to an appropriate and safe contour depth (≥ 50 cm). Based on the corrected bathymetry map, the area east of the river has a suitable depth and is safe to pass. The depth of the water at the lowest ebb has the potential to disrupt ship traffic because the area that is safe to pass through is reduced so that it is possible that traffic at the mouth of the river cannot move simultaneously to get in and out of fishing boats.es
Pengaruh Curah Hujan dan Kecepatan Angin Terhadap Hasil Penangkapan Ikan Swanggi Menggunakan Alat Tangkap Cantrang di Pelabuhan Perikanan Nusantara (PPN) Brondong Inayatul Lailiyah; Ilham Cahya; Rieke Dyah Ambarwati
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 5, Number 2, July 2024 Edition
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/zl.v5i2.35902

Abstract

Indonesia has a wealth of natural resources, especially in the fishing sector. The waters of Lamongan are one of the areas that has the potential of swanggi fishing that dominates the fishing sector by catching cantrang fish. The research is aimed at providing information to the Brondong National Fishing Port (PPN) and fishermen around the area about the impact of rainfall and wind speed on the catch of swanggi fish. The results of linear regression method analysis using T test, F test and determination test. The result of lineary regression test T test showed that the regression value of the rainfall variable to catch of fish is the value of sig.<0,05 while the variable of wind speed to Catch of Fish is the number of sig.>0,05. The determination test result of R2 is 0.445, which means that the variable rainfall and wind speed influenced 44.5% on the catch of the swanggi fish and the rest was affected by other factors.    
Analisis Tingkat Sedimentasi Saat Musim Barat Di Kolam Dermaga Koarmatim Surabaya Menggunakan Perbandingan Pengukuran Batimetri Ilham Cahya; Ahmad Azwar Mas&#039;ud M; Inayatul Lailiyah
Juvenil Vol 5, No 3: Agustus (2024)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v5i3.27336

Abstract

ABSTRAKPengukuran batimetri secara berkala dapat memberikan informasi yang jelas mengenai kondisi perubahan kedalaman perairan sebuah dermaga dimana bertujuan untuk mengetahui kedalaman minimum suatu kapal untuk diperbolehkan berlabuh. Penelitian ini bertujuan untuk mengetahui pola pengendapan sedimen di kolam labuh Koramatim Surabaya serta kajian parameter yang mempengaruhi sebaran sedimen saat kondisi musim barat. Data pengukuran batimetri pada bulan Desember 2022 dan Januari 2023 dianalisis untuk menghasilkan peta tingkat sedimentasi menggunakan metode overlay dengan membandingkan dua model batimetri beda waktu pengukuran yang dilakukan pada aplikasi Civil3D. Data kecepatan dan arah angin pada bulan Desember 2022, Januari 2023 dan Februari 2023 dari BMKG Perak Surabaya akan disajikan dalam bentuk windrose kecepatan dan arah angin dominan yang terjadi pada musim barat tahun 2023. Hasil didapatkan bahwa dominasi pengendapan sedimen terjadi pada pintu masuk kolam labuh Koarmatim Surabaya maksimal 1,62 meter dan rata – rata pada 0,72 meter pada bulan Januari 2023. Indikasi kuat pengaruh dari arah angin dominan yang berhembus dari barat laut mendorong debit buangan sedimen dari sungai Kalimas Surabaya menuju kolam labuh. Penelitian ini masih dapat dilanjutkan untuk melihat bagaimana dinamika pengaruh sungai Kalimas dan arus pasang surut terhadap tingkat sedimentasi di kolam labuh Koarmatim Surabaya pada kondisi seluruh musim. Kata kunci: laju sedimentasi, overlay peta batimetri, angin musim baratABSTRACTPeriodic bathymetry measurements can provide clear information about the changing conditions of the water depth of a dock which aims to determine the minimum depth of a ship to be allowed to dock. This research aims to determine the pattern of sediment deposition in the Koramatim Surabaya dock pond and study the parameters that affect the distribution of sediments during the west season. Bathymetry measurement data in December 2022 and January 2023 were analyzed to provide a sedimentation rate map using the overlay method by comparing two bathymetry models of different measurement times carried out in the Civil3D software. Wind speed and direction data in December 2022, January 2023 and February 2023 from BMKG Perak Surabaya will be presented in the form of windrose of the dominant wind speed and direction that occurred in the west season of 2023. The results showed that the dominance of sediment deposition occurred at the entrance to the Koarmatim Surabaya harbor pond with a maximum of 1.62 meters and an average of 0.72 meters in Januari 2023. A strong indication of the influence of the dominant wind direction blowing from the northwest pushed the discharge of sediment from the Kalimas Surabaya river to the Koarmatim dock. This research can still be continued to see how the dynamics of the influence of the Kalimas river and tidal currents on the level of sedimentation in the Surabaya Koarmatim dock pond under all season conditions.Keywords: sedimentation rate, bathymetry map overlay, westerly winds
Co-Authors Agus Romadhon Ahmad Azwar Mas&#039;ud M Ahmad Fahmi Wahyudi ILHAM CAHYA Rieke Dyah Ambarwati