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All Journal Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Journal of Innovation and Applied Technology Journal of Environmental Engineering and Sustainable Technology JFMR (Journal of Fisheries and Marine Research)
Setyoningrum, Desy
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Energy Engineering Environmental Science Mechanical Engineering

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ANALISIS PERUBAHAN GARIS PANTAI DENGAN METODE DIGITAL SHORELINE ANALYSIS SYSTEM (DSAS) TAHUN 2017-2021 (STUDI KASUS: PANTAI PARANGTRITIS, KABUPATEN BANTUL): ANALYSIS OF SHORELINE CHANGES IN 2017-2021 USING THE DIGITAL SHORELINE ANALYSIS SYSTEM (DSAS) METHOD (CASE STUDY: COAST OF PARANGTRITIS, BANTUL REGENCY) Setyoningrum, Desy; Fahreza Okta Setyawan, S.Kel.,M.T; Anggita Sekar M; Faisal Akmal; M. Falbian Arsetyo N; Imam Akbar Wicaksono
JFMR (Journal of Fisheries and Marine Research) Vol. 7 No. 2 (2023): JFMR on August
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2023.007.02.10

Abstract

Kawasan pesisir Parangtritis adalah salah satu tujuan wisata pantai yang signifikan bagi Daerah Istimewa Yogyakarta (DIY). Aktivitas pariwisata di Parangtritis dapat dibagi menjadi dua bagian, yaito aktifitas wisatawan di wilayah pasang surut (swash zone) dan pembangunan fasilitas pendukung bagi wisatawan di wilayah darat (backshore). Perubahan garis pantai disebabkan oleh faktor-faktor seperti angin, gelombang laut, dan arus laut. Tujuan dari penelitian ini adalah untuk mengetahui perubahan garis pantai yang terjadi di wilayah Pantai Parangtritis serta hubungannya dengan pasang surut dan gelombang laut. Pemantauan perubahan garis pantai dilakukan metode Digital Shoreline Analysis System (DSAS). Metode perhitungan perubahan garis pantai yang digunakan pada DSAS yaitu metode Net Shoreline Movement (NSM), Shoreline Change Envelope (SCE) dan End Point Rate (EPR). Pengamatan perubahan garis pantai mengambil rentang waktu selama 5 tahun menggunakan data tahun 2017, 2018, 2019, 2020, dan 2021. Pada hasil penelitian ditemukan fakta bahwa terjadi abrasi dan akresi pada wilayah Pantai Parangtritis. Abrasi terjadi pada daerah yang terdampak ombak secara tinggi, tanpa adanya pemecah ombak. Akresi terjadi pada wilayah dengan kemiringan landai dengan gelombang lebih lemah. Akresi tertinggi tercatat sebesar 63.31 meter, dan abrasi tertinggi tercatat dengan angka -63,35 meter. Faktor hidrooseanografi seperti gelombang yang datang menuju pantai akan mengikis dan berpengaruh terhadap berubahnya garis pantai dan besarnya angkutan sedimen. Hal tersebut didukung dengan tinggi gelombang pada daerah tersebut adalah 2,5meter dengan rata-rata periode 10,81 detik.   The coastal area of Parangtritis is one of the significant beach tourism destinations in the Special Region of Yogyakarta (DIY). Tourism activities in Parangtritis can be divided into two parts, namely tourist activities in the swash zone and the development of supporting facilities for tourists on the backshore. Changes in the coastline are caused by factors such as wind, sea waves, and ocean currents. The purpose of this research is to understand the changes in the coastline that occur in the Parangtritis Beach area and their relationship with tides and sea waves. Monitoring of coastline changes is conducted using the Digital Shoreline Analysis System (DSAS). The methods used for calculating changes in the coastline in DSAS are Net Shoreline Movement (NSM), Shoreline Change Envelope (SCE), and End Point Rate (EPR). The observation of coastline changes spans a period of 5 years, using data from 2017, 2018, 2019, 2020, and 2021. The research findings show that there were both abrasion and accretion processes in the Parangtritis Beach area. Abrasion occurred in areas heavily impacted by high waves without the presence of wave breakers. Accretion took place in areas with gentle slopes and weaker waves. The highest accretion recorded was approximately 63.31 meters, while the highest erosion reached -63.35 meters. Hydrooceanographic factors, such as waves approaching the coast, erode the shoreline and influence the change in coastline and sediment transport. This is supported by the fact that the wave height in the area is 2.5 meters with an average period of 10.81 seconds.
POLLUTION LEVEL IN RANU KLAKAH, LUMAJANG, EAST JAVA Amrillah, Attabik Mukhammad; Salamah, Lutfi Ni`Matus; Amin, Abd. Aziz; Setyoningrum, Desy
Journal of Environmental Engineering and Sustainable Technology Vol 11, No 01 (2024)
Publisher : Directorate of Research and Community Service (DRPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2024.011.01.8

Abstract

The increase in population, tourist activities and fish farming with floating net cages, whose waste is thrown directly into the Ranu Klakah, lead to pollution. The aim of this study is to determine the level of pollution in the ecosystem of Ranu Klakah Lake. The research method is descriptive. Water samples were collected at 3 stations, between 09.00 and 13.00 WIB. Measured water quality parameters: Temperature, TSS, DO, pH, ammonia, orthophosphate, nitrite, nitrate, BOD, COD. The analysis results were compared with the Water Quality Standard No. II as stipulated in the Regulation of the Government of the Republic of Indonesia No. 82 of 2001, which relates to water quality management and pollution control. Analysis of pollution level using the Storet method. According to the research results, there are two stations that have a moderate level of pollution. The data confirms that the waters of Ranu Klakah are generally moderately polluted. Community activities in fish farming, tourism and waste disposal contribute to the state of water pollution in Ranu Klakah. It is hoped that the results of this study will provide the relevant stakeholders with initial information for structuring the Ranu Klakah area
The Strengthening of BSTC (Bajulmati Sea Turtle Conservation) in Sea Turtle Monitoring Activities in Gajahrejo Village, Malang Regency. Setyoningrum, Desy
Journal of Innovation and Applied Technology Vol 10, No 2 (2024)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiat.2024.10.02.003

Abstract

Sea Turtles are a type of reptile that predominantly inhabit marine environments, and their populations have experienced a significant decline due to various factors such as natural habitat destruction, marine pollution, predation, and commercial hunting. Conservation efforts are crucial to maintaining the sustainability of turtle populations. The Sea Turtle Conservation Area in Malang Regency, known as Bajulmati Sea Turtle Conservation (BSTC) Malang, has committed to caring for adult turtles, hatching eggs, and nurturing turtle hatchlings. However, these conservation activities have not been fully optimized, particularly in monitoring nesting turtles, rescuing eggs, and addressing turtle diseases. This Community Service Initiative aims to provide knowledge and skills to the conservation area managers related to monitoring, rescuing, and treating turtle diseases. The goal is to enhance the number of saved turtle eggs and improve their survival rate. 
Pemetaan Batimetri dan Morfologi Dasar Perairan Sendangbiru, Kabupaten Malang Setyoningrum, Desy; Setyawan, Fahreza Okta; Sianturi, Riswan Septriayadi; Syananta, Citra; Nurshokh, Siti Al Khumairoh Annadziroh; Faqih, Decha Satria Ibnu; Prasetyo, Agung Wahyudi; Aryasatya, Naufal Fidel Satria
Jurnal Kelautan Vol 18, No 3: Desember (2025)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v18i3.28860

Abstract

ABSTRAKPerairan Sendang Biru, Kabupaten Malang, merupakan salah satu jalur pelayaran tersibuk di pesisir selatan Jawa, terutama saat puncak musim penangkapan ikan pada bulan Agustus hingga Oktober. Aktivitas pelayaran dan perikanan intensif di wilayah ini memerlukan data batimetri yang akurat untuk mendukung keselamatan navigasi dan pengelolaan perairan. Penelitian ini bertujuan untuk memetakan kontur batimetri dan mengidentifikasi morfologi dasar laut di Perairan Sendang Biru menggunakan metode pemeruman dengan Single Beam Echosounder (SBES). Pengambilan data dilakukan pada bulan Oktober 2024 dengan interval jalur pemeruman sejauh 50 meter, menghasilkan data kedalaman yang dikoreksi terhadap pasang surut menggunakan Metode Admiralty. Pengolahan data pasang surut dilakukan berdasarkan konstanta harmonik untuk menentukan nilai elevasi penting, seperti HHWL, MHWL, MSL, MLWL, dan LLWL. Hasil analisis menunjukkan tipe pasang surut di Perairan Sendang Biru adalah tipe campuran dominan ganda dengan bilangan Formzahl sebesar 0,31744. Hasil penelitian menunjukkan bahwa kedalaman perairan berkisar antara 1 meter hingga 36 meter. Morfologi dasar laut didominasi oleh lereng landai dengan beberapa area lereng curam yang tersebar di bagian selatan dan barat daya perairan. Selain itu, terdapat beberapa wilayah yang teridentifikasi sebagai potensi pengendapan sedimen di area dangkal. Berdasarkan hasil penelitian ini, memberikan informasi penting bagi penataan alur pelayaran dan area tambat do Pelabuhan Pondokdadap, terutama karena kontur kedalaman yang bervariasi dan keberadaan zona potensi sedimentasi di area dekat pantaiKata kunci: Pemetaan Batimetri; Perairan Sendangbiru; Single Beam Echosounder (SBES); Survey Hidrografi.ABSTRACTThe waters of Sendang Biru, Malang Regency, are among the busiest shipping routes along the southern coast of Java, especially during the peak fishing season from August to October. The intensive shipping and fishing activities in this area require accurate bathymetric data to support navigation safety and water management. This study aims to map bathymetric contours and identify the seabed morphology in the waters of Sendang Biru using a hydrographic survey method with a Single Beam Echosounder (SBES). Data collection was conducted on October  2024, with survey line intervals of 50 meters, producing depth data corrected for tidal variations using the Admiralty Method.Tidal data processing was carried out based on harmonic constants to determine critical elevation values such as HHWL, MHWL, MSL, MLWL, and LLWL. The analysis results indicate that the tidal type in the waters of Sendangbiru is a mixed predominantly semidiurnal type, with a Formzahl number of 0.31744. The study results show that water depths range from 1 meter to 36 meters. The seabed morphology is dominated by gentle slopes with some steep slope areas scattered in the southern and southwestern parts of the waters. Additionally, several areas were identified as potential sediment deposition zones in shallow areas. This findings provide essential information for planning navigation routes and mooring areas at Pondokdadap Port, particularly considering the variable depth contours and presence of sedimen-accumulation zone near the coastline. Keywords: Bathymetric Mapping; Single Beam Echosounder (SBES); Sendang Biru Waters; Hydrographic Survey
Co-Authors Amin, Abd. Aziz Anggita Sekar M Aryasatya, Naufal Fidel Satria Attabik Mukhammad Amrillah Fahreza Okta Setyawan, S.Kel.,M.T Faisal Akmal Faqih, Decha Satria Ibnu Imam Akbar Wicaksono M. Falbian Arsetyo N Nurshokh, Siti Al Khumairoh Annadziroh Prasetyo, Agung Wahyudi Riswan Septriayadi Sianturi Salamah, Lutfi Ni`Matus Setyawan, Fahreza Okta Syananta, Citra