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    Wyświetlanie 1-11 z 11
    Tytuł:
    Debris Drift from Estuaries: A Study Case in Muara Gembong, Jakarta Bay
    Autorzy:
    Purba, Noir P.
    Faizal, Ibnu
    Sayyid, Kemaal
    Powiązania:
    https://bibliotekanauki.pl/articles/1193480.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Citarum River
    Jakarta Bay
    Lagrangian
    Marine debris
    Muara Gembong
    Plastics
    Opis:
    Citarum River is one of the largest rivers in West Java, Indonesia. With a length of 297 km, it transfers the debris from the urban area, industry, and settlement to the ocean. This research aims to explore Marine Debris (MD) trajectories from two estuaries in Jakarta Bay. The method was included lagrangian particles with ocean currents, wind, and bathymetry conditions using GNOME software. There were three classes of simulation done in this research. MD observations were conducted in mangrove areas to validate the simulations. These simulations occurred during the northwest and southeast Monsoon period. The results showed that the debris trajectory patterns vary in the two monsoons, and waste from the two estuaries flow towards the south and southwest. In NWM, more waste moved further to the south and was stranded in the surrounding coastal areas. In SEM, waste moved towards the Jakarta bay and surrounding islands in the western and southern side of the estuaries. MD, especially the ones from Jaya estuary, affect other areas.
    Źródło:
    World Scientific News; 2021, 158; 173-186
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Suitability Study for Tourism Sites in the Southern Coast of West Java
    Autorzy:
    Ramdhani, Fajri
    Liyantono, Liyantono
    Pramono, Gatot
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1031294.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Coastal Tourism
    India Ocean
    Indonesia
    Mapping
    West Java
    Opis:
    Diversity of tourist attraction of the regencies/cities in West Java provides an alternative for travellers. One of the potential activity that can be utilized is coastal tourism. The main objective of this research was to provide a suitable site for tourism sites which can be used as a guide for government, private and planners to decide for the development of coastal tourism. Furthermore, visitors can use this application to get information about the beach resources—primary data in tabular data form and secondary data in vector format and satellite imagery format. ArcGIS was used for spatial analysis of thematic. Simple Additive Weighting method was used in this research to rank the factors and to calculate the weight in each factor. This method was commonly used for resolving spatial decision-making problems. The decision-maker directly assigns a weight of relative importance to each factor. There were 32 beach sites visited in the survey with 20 sites of suitable category and 12 sites belonging to a very suitable category. Pangandaran Regency has the most beach site at ten beaches (32.5%), consisting of 7 sites of suitable category and three sites of very suitable category. They are followed by Sukabumi which has nine sites, consisting of 7 sites of suitable category and two sites of very suitable category. The least number of sites were found in Cianjur regency, which only has three sites, consisting of 1 suitable site and two very suitable sites. According to the result, it can be seen that tourism was more developed in Pangandaran and Sukabumi regency. Besides the infrastructure support, natural conditions also influence the development of coastal tourism in the area.
    Źródło:
    World News of Natural Sciences; 2021, 34; 127-143
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Instrumentation System for Coastal Wave Parameter Monitoring Based on Telemetry Technology Using Accelerometer
    Autorzy:
    Anwari, Saeful
    Subiyanto, Subiyanto
    Syamsudin, Mega Laksmini
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1031248.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Accelerometer
    Marine Instruments
    Microcontrollers
    Waves
    Zero Crossing Analysis
    Opis:
    Sea waves are important in the service of marine meteorological data. Waves that occur at sea have random and complex movements, so that the height and period of the waves are difficult to measure and formulate. This study aims to design and create marine instrumentation that can measure and record the parameters of wave height and period of coastal waves in situ so that the data obtained can reflect the conditions on the field well. PVC (Polyvinyl Chloride) is used for the instrument floats. The buoyancy value of the vehicle shows a floating value of 124.97N, or the maximum amount of load that can be accommodated by the vehicle is ±12 kg. This research was conducted from November 2019 until July 2020. The pre-research conducted at the Laboratory of Marine Science and Technology, and Computer Laboratory FPIK Universitas Padjadjaran. Testing laboratory scale carried out in a static pool, Grand Pangandaran, Pangandaran Regency and field testing was conducted in the Area of Pangandaran Port, Bojong Salawe, Pangandaran Regency, West Java for 5 days with each observation time for 6 hours / day. The results obtained are x, y, and z axis data values with a total of ±3600 data. Data analysis is based on the Zero Crossing Analysis statistical using python. The results of data processing showed a wave height value of 10% (H10) with a value of 3.0 meters, and a wave period of 10% (T10) worth 6.87 seconds. Significant wave height (HS) with a value of 2.8 meters, and significant wave period of 6.8 seconds, with an average wave height of 2.7 meters, and an average wave period of 6.8 seconds. This is consistent with the wave data from BMKG which show values ranging from 2.5 to 4 meters, on June 27-30 2020 and July 1, 2020.
    Źródło:
    World Scientific News; 2020, 148; 72-89
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of Tidal on the Nesting Activity of Green Turtle (Chelonia mydas (Linnaeus, 1758)) at Pangumbahan Beach, Sukabumi Regency, West Java, Indonesia
    Autorzy:
    Adiluhung, M. Boy
    Riyantini, Indah
    Sunarto, Sunarto
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1193344.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Chelonia mydas
    Green Turtle
    Nesting Activities
    Pangumbahan
    Tides
    Opis:
    Green turtles (Chelonia mydas (Linnaeus, 1758)) take advantage of the sand beach area as a stopover and carry out biological activities such as nesting and laying eggs. Pangumbahan Beach is one of the green turtle conservation places which is directly adjacent to the Indian Ocean. Tides affect physical processes such as the flushing of seawater on to the coast due to waves and flushing of water masses in estuaries, lagoons, and bays. This research aims to determine the effect of tides on the Green Turtle's nesting activity (Chelonia mydas). This research was conducted in July-September 2020, using observation and survey methods, and was analyzed descriptively. The data used include beach width, beach slope, tidal data, and landing data for Green Turtle (Chelonia mydas). A type of beach with a slope of 1.77° - 5.77° with an overall average of 3.4°, the Formzahl number value obtained at tide is 0.55, indicating the mixed type tidal type tends to double daily (Mixed, predominantly semi-diurnal tide). The results of this study indicate that the landing times and the formation of green turtle nests (Chelonia mydas) do not correlate with rising tides. The average effect of tides on green turtle egg-nesting activity (Chelonia mydas) was 0.111%, while the tidal effect on green turtle nesting activity (Chelonia mydas) was 4.09%. The highest frequency of Green Turtle (Chelonia mydas) nesting activity occurred between 22:00 and 02:00.
    Źródło:
    World Scientific News; 2021, 154; 48-65
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Abrasion impact towards green turtle Chelonia mydas (Linnaeus, 1758) nesting areas in Sindangkerta, Tasikmalaya Regency, West Java, Indonesia
    Autorzy:
    Mustaqim, Rifki A.
    Sunarto, Sunarto
    Syamsuddin, Mega L.
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1031832.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Abrasion
    Chelonia mydas
    Coastline
    Green Turtle
    Nesting Area
    Satellite Imagery
    Sindangkerta
    Opis:
    Green turtles (Chelonia mydas) are marine reptilians that have habitats in coastal areas to lay eggs. Abrasion is a phenomenon of beach erosion caused by waves and ocean currents which can cause damage to the coast. The purpose of this research is to analyze the impact of abrasion on green turtle’s nesting areas (Chelonia mydas). The research was conducted in the coasts of Sindangkerta, Tasikmalaya Regency, West Java, from December 2019 to January 2020. The method used in this research is observation and survey method, and the data are analyzed comparatively and descriptively. The data used consist of satellite imagery, tide, turtle’s landing, and the characteristics of turtle nesting areas in Sindangkerta coast in the year 1999, 2013, and 2019. The results showed that abrasion changes the condition of the Green Turtle (Chelonia mydas) nesting areas which led to a 40.09 m decrease in beach width, 2.04˚ decrease in beach slope, 15.51% increase in sand (fine-medium), and a loss of several coastal vegetation species.
    Źródło:
    World Scientific News; 2020, 147; 124-139
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Coastal Development Strategy based on Tourism Activities in Pangandaran, West Java, Indonesia
    Autorzy:
    Martasuganda, Marine K.
    Tjahjono, Boedy
    Yulianda, Fredinan
    Purba, Noir P.
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1031537.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    A’WOT
    Coastal
    Development
    Pangandaran
    Sustainability
    Tourism
    West Java
    Opis:
    Tourism is a top priority in economic development strategies in Pangandaran District. The tourism industry in Pangandaran carried out along the coastal areas involved society around the site. However, the rapid development of coastal tourism in Pangandaran raises a variety of environmental and social problems that require management strategies. This research is done to draw up directives based on coastal developments in the district of Pangandaran beach tourism by applying Analytic Hierarchy Process (AHP) in the SWOT analysis, which is commonly called as A'WOT. The results showed that the regional government of Pangandaran Regency conceives regional regulations regarding the use of coastal borders based on the resource potential and community participation. Furthermore, they also implement existing laws and regulations by involving the community to optimize supervision on activities that harm tourism. Finally, regional policies or regulations made by the Regional Government of Pangandaran Regency must follow the norms adopted by the local community. It is essential to know that coastal area of Pangandaraan has a unique system and natural system that could be as potential tourism activities.
    Źródło:
    World News of Natural Sciences; 2020, 32; 61-73
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of Macro Debris at Pangandaran Beach, Indonesia
    Autorzy:
    Purba, Noir P.
    Apriliani, Izza M.
    Dewanti, Lantun P.
    Herawati, Hetti
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1177434.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Beach litter
    Citumang river
    Pangandaran beach
    fishing gear
    marine pollution
    ocean currents
    plastics packaging
    Opis:
    This research was to assest of marine debris in Pangandaran beach. Marine debris sampled from 2016 and 2017 around west Pangandaran using Ocean Conservancy (OC) form to find information about distribution, abundance, and types. The result is debris on the West coast of Pangandaran is originally comes from settlements, tourists, traders, and fishermen. The highest accumulation of marine debris happened in October with total weight 44.385 kilos, while the lowest accumulation happened in May with total weight 38 kilos. this is due to Citumang River had overflowed due to heavy rain and then was swept away along the coastline and piled up an area near the bay in October. In May and August the debris which most find is cigarette with the percentage 28% in May and 35% in August. While in October the debris which most find is a plastic bag with percentage 33%. From six types of debris, the dominant debris per types as follows: Most likely to find items is cigarette butts, Fishing gear is rope, Packaging material is other plastic/foam packaging, Personal hygiene is diapers, Other trash is cigarettes lighters, and Tiny trash less than 2.5 cm is foam pieces. The specific debris at Pangandaran beach is the fisheries tools like a rope and net, the rope embedded in the ground and make it hard to take out. One of the factor the large number of debris in Pangandaran is tourism activity and fisheries activity. In addition, the study indicates that there is a strong relationship between human activities and spreading of debris.
    Źródło:
    World Scientific News; 2018, 103; 144-156
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Overview of Oceanic Eddies in Indonesia Seas Based on the Sea Surface Temperature and Sea Surface Height
    Autorzy:
    Purba, Noir P.
    Faizal, Ibnu
    Damanik, Finri S.
    Rachim, Fadliyan R.
    Mulyani, Putri G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031834.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Eddies
    Indonesia Throughflow
    Ocean Fronts
    Water Mass
    Opis:
    One of the complexities of the ocean currents in the territorial waters of Indonesia is oceanic eddies form. Ocean eddy is one of the very crucial phenomena in the ocean due to its circulation and connection with the chemical and biological aspects in the water column. This study aimed to observe the distribution of oceanic eddies associated with the Sea Surface Temperature (SST) and Sea Surface Height (SSH) with the Automatic Eddy Detection (AED) method. The analysis included distribution and types correlated with seasons. The results showed that eddies occur in all regions in the Indonesian Seas except the Java Sea. In general, the occurrence of eddies every month does not differ significantly for both Ocean Cyclonic Eddies (OCE) and Ocean Anticyclonic Eddies (OAE). The total oceanic eddies in a year are around 1,149 events. A minimum radius of the ocean eddies found was about 5.08 km, and a maximum was around 386.76 km. Furthermore, the occurrence of OCE is mostly in locations that are almost the same as OAE. Both types of eddy are mostly in locations with the boundary of temperatures and the boundary of SSH. Several eddies exist every month and mostly change or move into other areas. Eddies in Indonesia seas are influenced by differences of SST and different SSH that form ocean currents. One of the complexities of the ocean currents in the territorial waters of Indonesia is oceanic eddies form. Ocean eddy is one of the very crucial phenomena in the ocean due to its circulation and connection with the chemical and biological aspects in the water column. This study aimed to observe the distribution of oceanic eddies associated with the Sea Surface Temperature (SST) and Sea Surface Height (SSH) with the Automatic Eddy Detection (AED) method. The analysis included distribution and types correlated with seasons. The results showed that eddies occur in all regions in the Indonesian Seas except the Java Sea. In general, the occurrence of eddies every month does not differ significantly for both Ocean Cyclonic Eddies (OCE) and Ocean Anticyclonic Eddies (OAE). The total oceanic eddies in a year are around 1,149 events. A minimum radius of the ocean eddies found was about 5.08 km, and a maximum was around 386.76 km. Furthermore, the occurrence of OCE is mostly in locations that are almost the same as OAE. Both types of eddy are mostly in locations with the boundary of temperatures and the boundary of SSH. Several eddies exist every month and mostly change or move into other areas. Eddies in Indonesia seas are influenced by differences of SST and different SSH that form ocean currents.
    Źródło:
    World Scientific News; 2020, 147; 166-178
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physical Control on Marine Debris Spreading Around Muara Gembong, Jakarta Bay
    Autorzy:
    Faizal, Ibnu
    Purba, Noir Primadona
    Martasuganda, Marine Kenzie
    Abimanyu, Amarif
    Akbar, Muhammad Royhand
    Sugianto, Erik
    Powiązania:
    https://bibliotekanauki.pl/articles/2173342.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Lagrangian analysis
    ocean current
    marine litter
    plastics
    artificial debris
    Opis:
    The Citarum River flows through different characteristic of terrestrials with 297 km length and become one of the largest rivers in West Java. It potentially transfers debris from land into the sea. This research aimed to define the Marine Debris (MD) trajectories based on seasonal monsoon. The method used was numerical analysis combined with artificial debris pathways. The simulation controlled by ocean currents, tide, wind pattern, and bathymetry conditions. The MD observations were conducted in four mouth of estuaries across the Muara Gembong areas. These simulations with specific time during two main monsoons (the northwest and southeast Monsoon) period. The results showed that the debris trajectory patterns vary in the two monsoons. The macro debris trajectory showed the waste patterns similar to oceanographic condition, especially the ocean currents pattern. The trajectories of waste from two estuaries flow towards the south and southwest follow the coastal contours. Specifically, in Northwest Monsoon, MD spread to the south and was stranded in the surrounding coast areas. In Southeast Monsoon, MD was forced to the central of Jakarta bay and surrounding islands in the western and southern side of the estuaries. Compared to the Bendera estuary, the MD that comes from Jaya estuary affects the surrounding areas, including in the northern side and southern side.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 8; 12--20
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Marine Debris Pathway Across Indonesian Boundary Seas
    Autorzy:
    Purba, Noir P.
    Faizal, Ibnu
    Cordova, Muhammad R.
    Abimanyu, Amarif
    Afandi, Najma K. A.
    Indriawan, Dena
    Khan, Alexander M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1839151.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    floating debris
    Indonesia Throughflow
    marine pollution
    wind
    ocean current
    Opis:
    The complex circulation for both atmospheric and ocean affects the pathways of floating marine debris (MD). The aim of this research was to define the MD trajectories in the Indonesian boundary seas. The Lagrangian particle method was applied with oceanographic factors and debris classes based on 1 to 3% windage class. The simulation was applied during the Northwest and Southeast Monsoon period. On the basis of the obtained findings, the debris trajectory patterns were indicated to vary in the two monsoons. In the northern part of Indonesia, all neighbouring countries were affected, especially those near the boundaries. In the southern part of Indonesia, most of the debris headed west towards the Indian Ocean. MD was mostly transported by the ocean currents and monsoonal wind and ended up in the coastal area. Some debris was also still floating in the open ocean after three months. This study concluded that marine litter not only polluted Indonesia water, but also the neighbouring countries.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 3; 82-98
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of Macro Debris in Savu Sea Marine National Park (Kupang, Rote, and Ndana Beaches), East Nusa Tenggara, Indonesia
    Autorzy:
    Purba, Noir P.
    Ihsan, Yudi N.
    Faizal, Ibnu
    Handyman, Dannisa I. W.
    Widiastuti, Kattia S.
    Mulyani, Putri G.
    Tefa, Mikhael F.
    Hilmi, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1055269.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Savu Sea
    Savu Sea Marine National Park
    abundance
    beached debris
    distribution
    tourism
    Opis:
    Marine debris has emerged as a global issue that poses risk to environment systems. This study aimed to investigate the distribution of marine debris in Savu Sea Marine National Park, particularly in Kupang City, Rote Island, and Ndana Island (which are transboundary islands in the Australian and the Indian Ocean). Six beaches were assessed on this study, which comprised of total 12 transects. Debris collected from sampling sites weighed 52.14 kg, with abundance 4.447 ± 1.131 kg/m2 and 215.417 ± 35.609 item/m2. Most debris pieces were accumulated on high tide line and the area that many residents passed through. In terms of type, food wrapper and plastic bag dominated the debris composition due to their occurrence in every transect. It is strongly suggested that beached debris in Kupang and Rote was sourced from the population activities, whereas in Ndana was transported from other places via ocean currents.
    Źródło:
    World News of Natural Sciences; 2018, 21; 64-76
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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