EUROPEAN SEAS GRIDDED L4 SEA SURFACE HEIGHTS AND DERIVED VARIABLES NRT

'''Short description:'''


Altimeter satellite gridded Sea Level Anomalies (SLA) computed with respect to a twenty-year [1993, 2012] mean. The SLA is estimated by Optimal Interpolation, merging the measurement from the different altimeter missions available (see QUID document or http://duacs.cls.fr [ http://duacs.cls.fr ] pages for processing details). The product gives additional variables (i.e. Absolute Dynamic Topography and geostrophic currents (absolute and anomalies)).

This product is processed by the DUACS multimission altimeter data processing system. It serves in near-real time the main operational oceanography and climate forecasting centers in Europe and worldwide. It processes data from all altimeter missions: Jason-3, Sentinel-3A, HY-2A, Saral/AltiKa, Cryosat-2, Jason-2, Jason-1, T/P, ENVISAT, GFO, ERS1/2. It provides a consistent and homogeneous catalogue of products for varied applications, both for near real time applications and offline studies.

To produce maps of Sea Level Anomalies (SLA) and Absolute Dynamic Topography (ADT) in near-real-time, the system uses the along-track altimeter missions from products called SEALEVEL*_PHY_L3_NRT_OBSERVATIONS_008_*. Finally an Optimal Interpolation is made merging all the flying satellites in order to compute gridded SLA and ADT. The geostrophic currents are derived from sla (geostrophic velocities anomalies, ugosa and vgosa variables) and from adt (absolute geostrophic velicities, ugos and vgos variables). Note that the gridded products can be visualized on the LAS (Live Access Data) Aviso+ web page ( http://www.aviso.altimetry.fr/en/data/data-access/las-live-access-server.html [ http://www.aviso.altimetry.fr/en/data/data-access/las-live-access-server.html ]).


'''DOI (product) :'''

https://doi.org/10.48670/moi-0014 2

 
Citation proposal
Yannice Faugère (SL-CLS-TOULOUSE-FR). EUROPEAN SEAS GRIDDED L4 SEA SURFACE HEIGHTS AND DERIVED VARIABLES NRT. https://services.mspdata.eu:/geonetwork/srv/api/records/79676657-6c9b-4b82-88d6-4b35df265d47

Simple

Alternate title

SEALEVEL_EUR_PHY_L4_NRT_OBSERVATIONS_008_060

Date ( Creation )
2012-08-26
Edition

2.1

Edition date
2012-08-28
Identifier

79676657-6c9b-4b82-88d6-4b35df265d47

Credit

E.U. Copernicus Marine Service Information

  Point of contact

  Custodian

  Originator

  Distributor

  Resource provider

Maintenance and update frequency
Daily
Other

P0M0D0H/P0M0D0H

Maintenance note

daily : 11:30

GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Oceanographic geographical features
Discipline ( Discipline )
  • satellite-observation
Climate and Forecast Standard Names ( parameter )
  • sea_surface_height_above_sea_level , surface_geostrophic_northward_sea_water_velocity_assuming_sea_level_for_geoid , surface_geostrophic_eastward_sea_water_velocity_assuming_sea_level_for_geoid , sea_surface_height_above_geoid , surface_geostrophic_northward_sea_water_velocity , surface_geostrophic_eastward_sea_water_velocity
Temporal scale ( temporal-scale )
  • near-real-time
Area of benefit ( area-of-benefit )
  • coastal-marine-environment , weather-climate-and-seasonal-forecasting , marine-safety , marine-resources
Reference Geographical Areas ( reference-geographical-area )
  • baltic-sea , north-west-shelf-seas , black-sea , iberian-biscay-irish-seas , mediterranean-sea
Processing level ( processing-level )
  • Level 4
Model assimilation ( Theme )
  • Not Applicable
Use limitation

See Copernicus Marine Environment Monitoring Service Data commitments and licence at: http://marine.copernicus.eu/web/27-service-commitments-and-licence.php

Access constraints
Other restrictions
Use constraints
License
Other constraints

No limitations on public access

Aggregate Datasetindentifier

6be352f9-a484-499e-9bfe-f60100946cad

Association Type
Cross reference
Initiative Type
document
Aggregate Datasetindentifier

3abb7265-ac70-4ece-a426-c19b83837f4b

Association Type
Cross reference
Initiative Type
document
Metadata language

eng

Topic category
  • Oceans
Description

bounding box

N
S
E
W


Vertical extent

Minimum value
0
Maximum value
0
Vertical CRS
Supplemental Information

display priority: 10100

Reference system identifier

EPSG

/

WGS 84 / World Mercator (EPSG 3395)

Number of dimensions
2
Dimension name
Row
Resolution
0.125  degree
Dimension name
Column
Resolution
0.125  degree
Cell geometry
Area
Transformation parameter availability
false
Distribution format

  • NetCDF-4

    ()

OnLine resource
dataset-duacs-nrt-europe-merged-allsat-phy-l4  
OnLine resource
dataset-duacs-nrt-europe-merged-allsat-phy-l4  
OnLine resource
dataset-duacs-nrt-europe-merged-allsat-phy-l4  
OnLine resource
dataset-duacs-nrt-europe-merged-allsat-phy-l4  
OnLine resource
dataset-duacs-nrt-europe-merged-allsat-phy-l4  
Hierarchy level
Series

Conformance result

Date ( Publication )
2010-12-08
Explanation

See the referenced specification

Statement

The myOcean products depends on other products for production or validation. The detailed list of dependencies is given in ISO19115's aggregationInfo (ISO19139 Xpath = "gmd:MD_Metadata/gmd:identificationInfo/gmd:aggregationInfo[./gmd:MD_AggregateInformation/gmd:initiativeType/gmd:DS_InitiativeTypeCode/@codeListValue='upstream-validation' or 'upstream-production']")

Metadata

File identifier
79676657-6c9b-4b82-88d6-4b35df265d47   XML
Metadata language
English
Character set
UTF8
Hierarchy level
Series
Hierarchy level name

Copernicus Marine Service product specification

Date stamp
2021-12-09T18:49:06
Metadata standard name

ISO 19139, MyOcean profile

Metadata standard version

0.2

  Point of contact

Website
http://marine.copernicus.eu/  
 
 

  Overviews


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Associated resources

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