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All Journal Journal of Oceanography Warta Ardhia : Jurnal Perhubungan Udara GoodWill Journal of Economics, Management, and Accounting
M. Fachrurrozi
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Earth & Planetary Sciences Economics, Econometrics & Finance Transportation

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STUDI PEMETAAN BATIMETRI UNTUK KESELAMATAN PELAYARAN DI PULAU PARANG, KEPULAUAN KARIMUNJAWA, KABUPATEN JEPARA, PROVINSI JAWA TENGAH Fachrurrozi, M.; Widada, Sugeng; Helmi, Muhammad
Journal of Oceanography Vol 2, No 3 (2013)
Publisher : Program Studi Oseanografi, Jurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3408.184 KB)

Abstract

Abstrak Pulau Parang merupakan salah satu pulau dari 5 pulau di Kepulauan Karimunjawa yang berpenghuni.Pulau Parang juga termasuk kawasan konservasi yang berada di bawah pantauan Balai Taman Nasional Karimunjawa.Kurangnya informasi mengenai alur pelayaran yang jelas di Pulau Parang menyebabkan kapal yang ingin menuju ke pulau tersebut harus berhati-hati terhadap karang yang berada di dasar perairan karena lokasinya yang dangkal.Oleh karena itu, mendiskripsikan batimetri dasar laut diperlukan di perairan Pulau Parang ini sebagai pedoman jalur pelayaran yang jelas agar kapal yang melintas tidak karam terkena terumbu karang.Berdasarkan uraian tersebut maka penelitian batimetri di Pulau Parang, Kepulauan Karimunjawa perlu dilakukan.Tujuan dari penelitian ini adalah melakukan pemetaan batimetri menggunakan pancaran gelombang akustik dengan alat Singlebeam Echosounder dan koreksi pasang surut serta pembuatan alur pelayaran berdasarkan hasil pemetaan batimetri dan analisa pasang surut guna keselamatan pelayaran di Pulau Parang. Penelitian ini menggunakan metode penelitian kuantitatif yang dilaksanakan 5 (lima) hari yaitu pada tanggal 18, 19, 20, 25 dan 28 september 2012. Kedalaman di Pelabuhan Pulau Parang antara 0 s/d 2,7 m sedangkan di luar pelabuhan kedalaman mencapai 36 m atau lebih. Perairan Pulau Parang memiliki tipe pasang surut campuran condong harian tunggal, dengan hasil MSL 102 cm, HHWL 157,28 cm dan LLWL 46,52 cm. Kapal dengan draft di bawah 2,9 m dari MSL yang hanya dapat berlabuh di Pulau Parang. Ada 2 jalur yang digunakan untuk alur pelayaran di Pulau Parang. Jalur pertama digunakan hanya ketika air laut pasang karena morfologi kedalaman pada jalur ini antara kurang dari 1 m s/d 32 m. Namun ketika air laut surut kapal harus memutar Pulau Kumbang terlebih dahulu agar dapat masuk ke dermaga Pulau Parang. 
Strategy Analysis to Improve Competitiveness of PT Van Oord Indonesia Jakarta M. Fachrurrozi; Besar Agung Martono
GoodWill Journal of Economics, Management, and Accounting Vol. 4 No. 2 (2024): October 2024
Publisher : www.amertainstitute.com

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65246/pnd1qq55

Abstract

This study aims to analyze the strategic position of PT Van Oord Indonesia in facing challenges and opportunities in the maritime dredging and reclamation industry. The focus of the research is to identify internal strengths and weaknesses, as well as external opportunities and threats that affect the company's competitiveness. This study uses a descriptive approach with qualitative methods through interviews, observations, and document analysis. The IFE, EFE, CPM, IE, SWOT, and QSPM matrices are used to identify strategic positions and determine strategic priorities. The results show that PT Van Oord Indonesia is in Quadrant I of the IE (Growth Strategy) Matrix with a total IFE score of 3.18 and EFE of 3.50. The proposed strategy includes diversification of services based on green technology and development of local workforce. The implementation of this strategy is expected to increase competitiveness and support the company's business sustainability.
Windrose Based of Surface Wind Profiles Over a Decade at Soekarno – Hatta International Airport Noor, Heri Azhari; Fachrurrozi, M.; Fitrianto, M. Agus
WARTA ARDHIA Vol. 50 No. 2 (2024)
Publisher : Sekretariat Badan Kebijakan Transportasi, Kementerian Perhubungan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/wa.v50i2.536.61-70

Abstract

The study of surface wind characteristics in the airport area is needed to support flight operations in terms of safety and economy. Surface wind data is required during the aircraft take-off and landing phases. The information on surface wind characteristics is used for planning flight operations or the construction and expansion of an airport runway. Using the frequency distribution method, a description of the monthly surface wind pattern was obtained. The results in Soekarno-Hatta International Airport area over 10 years period showed that in January - April the surface wind direction is dominated from the west, May - September is dominated from the east. The months of October, November, and December are a transition from easterly to return to the west (dominated from the south and southwest). This is in line with the general pattern of Indonesia's climate which is influenced by the west monsoon and east monsoon phenomena.
Co-Authors Besar Agung Martono Fitrianto, M. Agus Heri Azhari Noor Muhammad Helmi Sugeng Widada