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    Wyświetlanie 1-12 z 12
    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:
    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:
    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:
    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
    Tytuł:
    Distribution of Marine Debris in Biawak Island, West Java, Indonesia
    Autorzy:
    Purba, Noir P.
    Syamsuddin, Mega L.
    Sandro, Rona
    Pangestu, Isnan F.
    Prasetio, M. Reza
    Powiązania:
    https://bibliotekanauki.pl/articles/1182769.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Biawak Island
    fishing gear
    mangrove ecosystem
    plastics
    tracking
    Opis:
    Marine debris becomes a challenge to the ocean view especially in Indonesia as a maritime country. This study investigates the distribution of marine debris in the Biawak Island, Indramayu district, Indonesia. This study was conducted in November 2013 and 2014 by completing the standard form of the global International Coastal Cleanup (ICC) Network. By doing this, we aim to establish the condition and distribution of debris in the ecosystem area. The data collected from 7 stations along the coast of the Biawak island. The results showed that the total weight of marine debris ranged from 3-26 kg in each station with the highest density located at the eastern part of Biawak Island. The total weight of marine debris was 68 kg of 655 meters from total length 4.93 km of coastal line. Marine debris that found in the region predominantly composed of waste rope, styrofoam, and plastics. Debris from fishing activities also suggesting as a prevalent debris item found in the region. The result indicates that sources of debris transported from other regions by the ocean currents.
    Źródło:
    World Scientific News; 2017, 66; 281-292
    2392-2192
    Pojawia się w:
    World Scientific News
    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:
    Ocean Currents, Temperature, and Salinity at Raja Ampat Islands and The Boundaries Seas
    Autorzy:
    Nugraha, Angga P.
    Purba, Noir P.
    Junianto, Junianto
    Sunarto, Sunarto
    Powiązania:
    https://bibliotekanauki.pl/articles/1163118.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Indonesian Seas
    Monsoon
    Pacific Ocean
    Physical Condition
    T-S Diagram
    Opis:
    Raja Ampat Islands and eastern seas influenced by water masses from the Pacific Ocean and the monsoon. The aim of the research is to study the physical condition of water column, movement, and identification of water sources. The method used in this study with spatial and temporal analysis. The results show that water movement through Raja Ampat, Halmahera, Ceram, and Banda Seas. Mix layer condition up to 71 m depth and thermocline layer up to 567 m depth. The identified water masses from T-S Diagram are SPIW (South Pacific Intermediate Water), SPSW (South Pacific Subtropical Water), NPSW (North Pacific Subtropical Water), and AAIW (Antartic Intermediate Water). The maximum SST value occurred at the end of west monsoon (February) in the range 28.25 °C - 30.5 °C, and the minimum value occurred at the end of east monsoon (August) in the range 26.25 °C - 29.25 °C. The maximum SSS value occurred at early monsoon transition 2 (September) in the range 34.25 psu - 34.75 psu, and the minimum value occurred at early monsoon transition 1 (March) in the range 32.75 psu - 34 psu.
    Źródło:
    World Scientific News; 2018, 110; 197-209
    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:
    Seasonal Water Mass Transformation in Sulu and Surrounding Seas
    Autorzy:
    Purba, Noir P.
    Damanik, Finri S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193321.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Celebes Sea
    Indonesian Throughflow
    South China Sea
    Sulu Sea
    T-S diagram
    Opis:
    This study aims to describe and reveal ocean system dynamics in Sulu and its surrounding seas. Data were used based on historical in-situ datasets which involve their physical characteristics with temperature and salinity data downloaded from the World Ocean Database (WOD). Sea surface temperature, sea surface salinity, seasonal T-S plots, and caballing coefficient were used to distinguish water-mass types. At the same time, water column stability was analyzed based on the Brunt-Vaisala Frequency (N2). The results revealed that the three areas were influenced by a seasonal variation. The Sulu Sea affected by the SCS and the Pacific Ocean, including local waters from the Philippines. The SCS waters have lower SST (28 °C) and salinity (33.4 psu) compared to other regions. During the South-East Monsoon, the thermocline layer is thicker compared to the North-West Monsoon in the Celebes Sea. Similarly, in the same area, there is a layer that is thicker than the others. There are at least five main water masses in these waters that originate from the SCS and the Pacific Ocean. There are five water-mass types found in the three regions. The most stable area is SCS with a buoyancy value of around 12 cycl/h in a 100-meter depth, and the buoyancy during SEM is more stable than NWM. Finally, WOD updated 2018 is valuable to analyze water mass dynamics, especially using temperature and salinity.
    Źródło:
    World Scientific News; 2021, 153, 2; 142-156
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The patterns of changes in coral reef coverage (1994-2006) in the Seribu Islands National Park, Jakarta, Indonesia
    Autorzy:
    Harahap, Syawaludin A.
    Shabrina, Nikita A.
    Purba, Noir P.
    Syamsuddin, Mega L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1839867.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Change analysis
    Coral reef
    CVA
    Landsat Imagery
    Lyzenga
    TNKpS
    Seribu Islands National Park
    Opis:
    Coral reef ecosystems are unique ecosystems that can live and reproduce well in the tropics. Corals that makeup reefs are a very important component of ecosystems on the earth's surface. These ecosystems are habitats for a large number of diverse organisms in the oceans. However, in recent years coral reefs have experienced significant degradation as a result of the impact of human disturbances and natural factors on biodiversity and ecosystem functions. It is known that 90% of coral reef damage comes from human activities and 10% comes from climate change (natural events). In addition to natural events, such as waves, storms, and rising sea surface temperatures, the use of island land and the increasing population and utilization of coral reef resources around the island, including those that may cause a decrease in coral cover, can indirectly change the morphology of the island. To find out about the pattern of changes in coral reef cover area based on zoning in TNKpS, it is necessary to conduct a quick and effective study by utilizing digital processing of satellite imagery. The data used are Landsat images (1994, 2000, and 2006) with change detection method using CVA technique. The results of the analysis showed that there was a change in the increase in coral reef cover over 12 years (1994-2006). The pattern of changes that occur is dominated towards the Northeast and Northwest in the area 1, meanwhile, for area 2 it varies in all directions.
    Źródło:
    World News of Natural Sciences; 2021, 38; 120-138
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trend of Coastline Change for Twenty Years (1994-2014) in Cirebon, Indonesia
    Autorzy:
    Harahap, Syawaludin A.
    Purba, Noir P.
    Syamsuddin, Mega L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1046538.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Cirebon
    Landsat imagery
    MNDWI
    West Java
    coastline change
    erosion
    sedimentation
    Opis:
    There are many factors lead to coastline change, and coastal erosion by the sea-water can lead to the reduction of land areas. Meanwhile, with sedimentation, there will be an increase in landmass. Cirebon, which is part of the northern coastal area of West Java Province, is located on lowland with a dense population and rapid urban development. Several studies have been conducted during the past decade in the coastal areas of Cirebon with research results indicating that most of the coastal areas in Cirebon are subject to landslides at various scales ranging from vulnerable to bad conditions. Based on this, it is necessary to do a study aimed to know the time series trend of coastline change in Cirebon, Indonesia. This study is expected to provide valuable information on the latest conditions of coastal areas in Cirebon, and can be used as a basis for land use and coastal management planning, as areas of potential loss to erosion can be identified and future mitigation of the coastal areas can be undertaken. The configuration of changes in coastline was determined using remotely sensed data of Landsat 7 TM/ETM+ satellite. Imagery data was processed using MNDWI. Accordingly, Cirebon has for twenty years (1994-2014), experienced a significant shift in the coastline. The average value of the coastline advancing toward the sea is 643 meters and coastline setback is 343 meters, or there has been an average shift of the coastline of approximately 986 meters. Meanwhile, over the past twenty years, the length of the coastline has increased by around 2.2 kilometers. The value of coastline onward that is greater than the setback indicates that changes in the coastline in Cirebon tend to experience accretion. Conclusively, Cirebon’s coastline changes show an increasing trend in length and domination by the accretion (sedimentation) process.
    Źródło:
    World Scientific News; 2019, 138, 2; 79-92
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Upwelling session in Indonesia waters
    Autorzy:
    Purba, Noir P.
    Khan, Alexander M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076677.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    coastal area
    economic exclusive zone
    periodic monsoon
    satellite data
    upwelling
    Opis:
    The aim of this research was to analyze monthly sea surface temperature (SST) and chlor-a satellite data for 16 years from 2003 in an area from south Java to north Papua. The results show that the temporal and spatial pattern of SST and chlor-a distribution strongly was related to the monsoonal pattern. The upwelling session starts from May and ends in the October, in the south-east monsoon season. The lowest SST (25-30 °C) and the highest chlor-a (2.23 mg/l) is found in August in the south-east monsoon season. In addition, the largest upwelling area occurs in July, and ranges within 790,221 km2 of size.
    Źródło:
    World News of Natural Sciences; 2019, 25; 72-83
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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