Data

IMOS - Satellite Remote Sensing - Surface Waves Sub-Facility - SAR wave - Delayed mode data

Integrated Marine Observing System
Integrated Marine Observing System (IMOS)
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://catalogue-imos.aodn.org.au:443/geonetwork/srv/api/records/4680a155-07af-46ac-b026-151c4ed4f6d5&rft.title=IMOS - Satellite Remote Sensing - Surface Waves Sub-Facility - SAR wave - Delayed mode data&rft.identifier=https://catalogue-imos.aodn.org.au:443/geonetwork/srv/api/records/4680a155-07af-46ac-b026-151c4ed4f6d5&rft.description=Sentinel-1 A and B satellites are part of Europe’s Copernicus Earth Observation program and carry identical C-band Synthetic Aperture Radar (SAR) instruments. Over open-ocean, they operate in wave mode and collect directional wave measurements globally. This dataset contains Sentinel-1 SAR directional ocean swell wave number spectra, spectral partitions and partition bulks in the Australasian region including the Pacific islands, this mission has flown since 2014, with data delivered from July 2015. The data have been homogenised to a single, easily usable format from inconsistent source product by removing various discrepancies such as inconsistencies in wave number bins and values, variables and erroneous measurements over land.The data represented by this record, are presented in delayed mode.Maintenance and Update Frequency: continualStatement: The data have also been quality flagged by tagging spectral inversions where one or more of the partitions suffer from 180 degrees of swell directional ambiguity. According to the NetCDF's authors understanding, the source data have been produced by evolving versions of SAR ocean swell spectra inversion algorithm. This is a trial dataset and its cal/val is an area of current active research.&rft.creator=Integrated Marine Observing System (IMOS) &rft.date=2019&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/&rft_rights=The citation in a list of references is: IMOS [year-of-data-download], [Title], [data-access-URL], accessed [date-of-access].&rft_rights=Any users of IMOS data are required to clearly acknowledge the source of the material derived from IMOS in the format: Data was sourced from Australia’s Integrated Marine Observing System (IMOS) – IMOS is enabled by the National Collaborative Research Infrastructure strategy (NCRIS). If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).&rft_rights=Data, products and services from IMOS are provided as is without any warranty as to fitness for a particular purpose.&rft_subject=oceans&rft_subject=SWELLS&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=OCEAN WAVES&rft_subject=Regional Seas | Tasman Sea&rft_subject=Global / Oceans | Pacific Ocean&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Sentinel-1A&rft_subject=Sentinel-1B&rft_subject=Directional variance spectral density of waves on the water body&rft_subject=Significant height of swell waves on the water body&rft_subject=Direction at spectral maximum of swell waves on the water body&rft_subject=Wavelength at spectral maximum of swell waves on the water body&rft_subject=synthetic aperture radars&rft_subject=Surface Waves Sub-Facility, Integrated Marine Observing System (IMOS)&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

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CC-BY

Creative Commons Attribution 4.0 International License
http://creativecommons.org/licenses/by/4.0/

The citation in a list of references is: "IMOS [year-of-data-download], [Title], [data-access-URL], accessed [date-of-access]."

Any users of IMOS data are required to clearly acknowledge the source of the material derived from IMOS in the format: "Data was sourced from Australia’s Integrated Marine Observing System (IMOS) – IMOS is enabled by the National Collaborative Research Infrastructure strategy (NCRIS)." If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).

Data, products and services from IMOS are provided "as is" without any warranty as to fitness for a particular purpose.

Access:

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Full description

Sentinel-1 A and B satellites are part of Europe’s Copernicus Earth Observation program and carry identical C-band Synthetic Aperture Radar (SAR) instruments. Over open-ocean, they operate in wave mode and collect directional wave measurements globally. This dataset contains Sentinel-1 SAR directional ocean swell wave number spectra, spectral partitions and partition bulks in the Australasian region including the Pacific islands, this mission has flown since 2014, with data delivered from July 2015. The data have been homogenised to a single, easily usable format from inconsistent source product by removing various discrepancies such as inconsistencies in wave number bins and values, variables and erroneous measurements over land.
The data represented by this record, are presented in delayed mode.

Lineage

Maintenance and Update Frequency: continual
Statement: The data have also been quality flagged by tagging spectral inversions where one or more of the partitions suffer from 180 degrees of swell directional ambiguity. According to the NetCDF's authors understanding, the source data have been produced by evolving versions of SAR ocean swell spectra inversion algorithm. This is a trial dataset and its cal/val is an area of current active research.

Notes

Credit
Australia’s Integrated Marine Observing System (IMOS) is enabled by the National Collaborative Research Infrastructure Strategy (NCRIS). It is operated by a consortium of institutions as an unincorporated joint venture, with the University of Tasmania as Lead Agent.
Credit
CSIRO Oceans and Atmosphere
Credit
The University of Melbourne

Created: 27 11 2019

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Subjects
Direction at spectral maximum of swell waves on the water body | Directional variance spectral density of waves on the water body | EARTH SCIENCE | Global / Oceans | Indian Ocean | Global / Oceans | Pacific Ocean | Global / Oceans | Southern Ocean | OCEAN WAVES | OCEANS | Regional Seas | Tasman Sea | Swells | Sentinel-1A | Sentinel-1B | Significant height of swell waves on the water body | Surface Waves Sub-Facility, Integrated Marine Observing System (IMOS) | Wavelength at spectral maximum of swell waves on the water body | oceans | synthetic aperture radars |

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Other Information
(Website of the IMOS Surface Waves Sub-Facility)

uri : http://imos.org.au/facilities/srs/surface-waves/

(Data paper in Geoscience Data Journal (snapshot of database at June 2022))

doi : https://doi.org/10.1002/gdj3.238

(NetCDF files via THREDDS catalog)

uri : http://thredds.aodn.org.au/thredds/catalog/IMOS/SRS/Surface-Waves/SAR/DELAYED/catalog.html

(Files via Amazon Web Services S3 storage)

uri : http://data.aodn.org.au/?prefix=IMOS/SRS/Surface-Waves/SAR/DELAYED/

(View and download data though the AODN Portal)

uri : https://portal.aodn.org.au/search?uuid=4680a155-07af-46ac-b026-151c4ed4f6d5

SAR wave - delayed (imos:srs_surface_waves_sar_fv01_trajectory_map)

uri : http://geoserver-123.aodn.org.au/geoserver/wms

The ncUrlList is a WFS service that returns a list of URLs matching a query. (imos:srs_surface_waves_sar_fv01_trajectory_map#url)

uri : http://geoserver-123.aodn.org.au/geoserver/ows

(ncUrlList help documentation)

uri : https://help.aodn.org.au/web-services/ncurllist-service/

global : c2d47a05-2bb7-4649-ba05-d314e8f2105b

Identifiers
  • global : 4680a155-07af-46ac-b026-151c4ed4f6d5