Numerical lagrangian data issued from river sources in Indonesia
The data allows to describe the Lagrangian trajectories of fictive particles from major river discharges in Indenosia in a current field from a numerical ocean circulation model. Additional files also give access to the status of the particles (stranded / not stranded), to the concentration of the particles for each mesh of the grid.
Marine plastic debris has become a major man-made pollution problem, with a significant portion of this production ending up in the oceans. This marine pollution is not only a major impact on marine biodiversity but also a societal impact.
Through support to marine debris monitoring and modeling, the project aims to raise awareness and knowledge of Indonesian institutions on marine plastic pollution, in order to implement appropriate prevention and recommendation interventions. Our intention is to provide a statistical view of possible sites of plastic accumulation at sea for different seasons and different years impacted by El Niño / La Niña events. The statistics are computed by changing different parameters of the numerical models and Lagrangian schemes and performing a realistic simulation over the period 2016-2020.
The project will also include a series of in situ validation, both for Lagrangian trajectory in a specific site off the Java Coast and collect in-situ data for validation of the ocean model (see Dobler et al. 2022).
Simple
- Title
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Numerical lagrangian data issued from river sources in Indonesia
- Date (Publication)
- 2022-07-07
- Date (Creation)
- 2022-06-15
- Abstract
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The data allows to describe the Lagrangian trajectories of fictive particles from major river discharges in Indenosia in a current field from a numerical ocean circulation model. Additional files also give access to the status of the particles (stranded / not stranded), to the concentration of the particles for each mesh of the grid.
Marine plastic debris has become a major man-made pollution problem, with a significant portion of this production ending up in the oceans. This marine pollution is not only a major impact on marine biodiversity but also a societal impact.
Through support to marine debris monitoring and modeling, the project aims to raise awareness and knowledge of Indonesian institutions on marine plastic pollution, in order to implement appropriate prevention and recommendation interventions. Our intention is to provide a statistical view of possible sites of plastic accumulation at sea for different seasons and different years impacted by El Niño / La Niña events. The statistics are computed by changing different parameters of the numerical models and Lagrangian schemes and performing a realistic simulation over the period 2016-2020.
The project will also include a series of in situ validation, both for Lagrangian trajectory in a specific site off the Java Coast and collect in-situ data for validation of the ocean model (see Dobler et al. 2022).
- Credit
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IRD/BRIN/AFD
- Point of contact
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Organisation name Individual name Electronic mail address Role IRD-LOPS
Christophe Maes
Author Pôle Océan ODATIS
ODATIS
Publisher IRD
Delphine Dobler
Author IRD-LOPS
Elodie Martinez
Author
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Type de jeux de donnée ODATIS
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/Processed data/Model outputs
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Variables ODATIS
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/Marine Biogeochemistry/Marine litter
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- Keywords
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déchets marins, pollution marine, dérive de particules
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marine litter, marine pollution, drifting particles
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ODATIS aggregation parameters and Essential Variable names
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Waves
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Tides
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Currents
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Contaminants
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- Use limitation
- CC-BY (Creative Commons - Attribution)
- Access constraints
- Other restrictions
- Use constraints
- Other restrictions
- Other legal constraints
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Any use of this dataset must cite its reference: its DOI (10.12770/8dea4c5c-f2c2-4771-9372-9ce60c878c49) and the following partners: This work was supported by the AFD and IRD project "Monitoring and modeling the circulation of marine debris in Indonesia".
- Spatial representation type
- Vector
- Denominator
- 12000
- Language
- Français
- Character set
- UTF8
- Topic category
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- Oceans
- Begin date
- 2016-04-01
- End date
- 2020-05-31
- Unique resource identifier
- EPSG:4326
- Geometric object type
- Point
- Distribution format
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Name Version CSV
Distributor
- Distributor contact
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Organisation name Individual name Electronic mail address Role OSU La Réunion
Emmanuel Cordier
- OnLine resource
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Protocol Linkage Name WWW:DOWNLOAD-1.0-link--download
https://sextant.ifremer.fr/sextant_data/ODATIS/IRD/2016_2020_x1_coast_status_SMOC_UO_Utide_UStokes_scenario4_1d_0.0010_stop.nc Time series of simulated particle status with respect to their fate (stranding, out of domain, still at sea)
WWW:DOWNLOAD-1.0-link--download
https://sextant.ifremer.fr/sextant_data/ODATIS/IRD/2016_2020_x1_ariane_trajectories_qualitative_SMOC_UO_Utide_UStokes_scenario4_1d_0.0010_stop.nc This file is the raw output of Ariane software." ; "ntraj correponds to particle number, nb_output corresponds to time coordinate, which is relative to the release time of the particle." ; " To get the trajectory relative to the simulation t0 time, refer to 2016_2020_x1_traj_lonlat_init_t0_SMOC_UO_Utide_UStokes_scenario4_1d_0.0010_stop.nc file"
WWW:DOWNLOAD-1.0-link--download
https://sextant.ifremer.fr/sextant_data/ODATIS/IRD/2016_2020_x1_histo_coord_SMOC_UO_Utide_UStokes_scenario4_1d.nc Time series of 2D-histogram of simulated particles (computed as the sum of particles per grid cell)
WWW:DOWNLOAD-1.0-link--download
https://sextant.ifremer.fr/sextant_data/ODATIS/IRD/2016_2020_x1_traj_lonlat_init_t0_SMOC_UO_Utide_UStokes_scenario4_1d_0.0010_stop.nc Trajectories of simulated particles in grid indices and lat/lon coordinates. The position remains unchanged once the particle is considered as stranded.
- OnLine resource
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Protocol Linkage Name WWW:LINK-1.0-http--metadata-URL
https://doi.org/10.12770/8dea4c5c-f2c2-4771-9372-9ce60c878c49 Digital Object Identifier (DOI)
- OnLine resource
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Protocol Linkage Name WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/tabledap/ariane_trajectories_qualitative.subset Ariane trajectories qualitative - ERDDAP Subset
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/tabledap/ariane_trajectories_qualitative.html Ariane trajectories qualitative - ERDDAP Data Access Form
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/tabledap/ariane_trajectories_qualitative.graph Ariane trajectories qualitative - ERDDAP Graph
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/files/ariane_trajectories_qualitative/ Ariane trajectories qualitative - ERDDAP Files
- OnLine resource
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Protocol Linkage Name WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/tabledap/coast_status.html Coast status - ERDDAP Data Access Form
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/tabledap/coast_status.graph Coast status - ERDDAP Graph
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/files/coast_status/ Coast status - ERDDAP Files
- OnLine resource
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Protocol Linkage Name WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/griddap/histo_coord.html Histo coord - ERDDAP Data Access Form
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/griddap/histo_coord.graph Histo coord - ERDDAP Graph
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/files/histo_coord/ Histo coord - ERDDAP Files
- OnLine resource
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Protocol Linkage Name WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/griddap/traj_lonlat_init_t0.html Traj lonlat init t0 - ERDDAP Data Access Form
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/griddap/traj_lonlat_init_t0.graph Traj lonlat init t0 - ERDDAP Graph
WWW:LINK-1.0-http--link
https://erddap.ifremer.fr/erddap/files/traj_lonlat_init_t0/ Traj lonlat init t0 - ERDDAP Files
- Hierarchy level
- Dataset
- Statement
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To understand the trajectories of floating marine debris and the zones of strandings, a Lagrangian numerical experiment was performed. These numerical particles were advected by surface currents from an Ocean Global Circulation Model (OGCM).
The floating plastic debris were modelized as numerical particles of no size, no shape and neutral density, assuming that stranded debris came mainly from debris drifting in the surface layer of the Ocean. Complex processes of plastic fragmentation and sinking were not considered in this study.
Surface Merged Ocean Currents (SMOC) product (distributed by the Copernicus Marine Service, https://resources.marine.copernicus.eu) was adopted to advect particles. The SMOC product provides three types of surface current datasets : surface current outputs from an Ocean Global Circulation Model (OGCM, from Mercator Ocean International), tide-induced surface currents (FES2014 from CDS-SAT-AVISO) , surface Stokes drift (from Meteo-France). This combination of surface currents was driven by the intense regional dynamics: Indonesia is indeed a pathway between the Pacifc and Indian oceans, located along the Equator, with many ocean dynamics such as: the monsoon, rainfalls influencing river discharges, ENSO modulation, the surface Stokes drift, which contributes to the surface drift of floating marine debris, extreme events, such as typhoons, earthquakes and potentially associated tsunamis.
References:
- Dobler, D., C. Maes, E. Martinez, R. Rahmania, B. G. Gautama, A. R. Farhan and E. Dounias, (2022): On the Fate of floating marine debris carried to the sea through the main rivers of Indonesia, J. Mar. Sci. Eng. 2022, 10(8), 1009; https://doi.org/10.3390/jmse10081009
- Dobler, D & Martinez E., RahmaniaR., Gautama B., Farhan R., Maes C. (2021). Floating marine debris along Indonesian coasts An atlas of strandings based on Lagrangian modelling. https://www.researchgate.net/publication/352101169_Floating_marine_debris_along_Indonesian_coasts_An_atlas_of_strandings_based_on_Lagrangian_modelling
- Maes, C. Dispersion des plastiques marins flottants à la surface des océans. La Météorologie, 119, 53-61, 2022. DOI : 10.37053/lameteorologie-2022-0084
Conformance result
- Title
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Inspire specifications
- Date (Creation)
- 2012-01-16
- Explanation
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Non évalué
Metadata
- File identifier
- 8dea4c5c-f2c2-4771-9372-9ce60c878c49
- Metadata language
- Français
- Other language
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Language Character encoding English UTF8
- Character set
- UTF8
- Hierarchy level
- Dataset
- Date stamp
- 2023-10-02T09:57:15.593Z
- Metadata standard name
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ISO 19115:2003/19139 - SEXTANT
- Metadata standard version
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1.0
- Metadata author
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Organisation name Individual name Electronic mail address Role IRD-LOPS
Christophe Maes
Local service desk