Global Sea Level Observing System (GLOSS) Project: Marine Observations

The Global Sea Level Observing System (GLOSS) is an international programme co-ordinated by the Intergovernmental Oceanographic Commission (IOC) for the establishment of high quality global and regional sea level networks for application to climate, oceanographic and coastal sea level research. The programme became known as GLOSS as it provides data for deriving the "Global Level Of the Sea Surface"; a smooth level after averaging out waves, tides and short-period meteorological events. The main component of GLOSS is the Global Core Network (GCN) of 308 sea level stations around the world, which are maintained by 87 countries. The GLOSS network has been designed to observe large-scale sea level variations of global implications, and stations were identified at intervals of approximately 1000 km along the continental coasts and on islands, but generally not closer than 500 km. In selecting individual sites, priority is given to gauges which have been functioning for a long period. All gauges are required to aim for an accuracy of 10 mm in level, and 1 minute in time. All must be linked to bench marks against which their datum is checked regularly.



This network monitors sea level changes which could be indicative of global warming, ocean circulation patterns, climate variability, etc., and contributes data to global climate research within the World Climate Research Programme (WCRP) including the Tropical Ocean-Global Atmosphere (TOGA) project, the World Ocean Circulation Experiment (WOCE), Climate Variability and Predictability (CLIVAR) and recent vertical crustal movement studies conducted by the International Union of Geodesy and Geophysics (IUGG) of the International Council of Scientific Unions (ICSU) and UNESCO (International Geological Correlation Programme (IGCP)). It also provides high quality data for practical applications of national importance. The measurements by GLOSS gauges complement satellite altimetry measurements. GLOSS is considered as an important potential element of the Global Ocean Observing System (GOOS) initiated by IOC with the World Meteorological Organisation (WMO), the UN Environmental Programme (UNEP) and ICSU.



The elements of GLOSS are:



A global network of permanent sea level stations to obtain standardised sea level observations; this forms the primary network to which regional and national sea level networks can be related;



Data collection for international exchange with unified formats and standard procedures which includes both near-real-time as well as delayed mode data collection;



Data analysis and product preparation for scientific and/or practical applications;



Assistance and training for establishing and maintaining sea level stations as part of GLOSS and improving national sea level networks;



A selected set of GLOSS tide-gauge bench marks accurately connected to a global geodetic reference system (i.e. the conventional terrestrial frame established by the International Earth Rotation Service).

The Permanent Service for Mean Sea Level (PSMSL) collects and archives data from GLOSS stations in the form of monthly mean values, but hourly and daily values are also expected to be made available from all stations by the originators. The GLOSS network consists of 308 sea level stations, which are operated and maintained by 87 countries.

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Date (Publication)
1996-12-10T02:29:01
Date (Creation)
1996-12-10T02:29:01
Citation identifier
https://catalogue.ceda.ac.uk/uuid/fe80982ca010869e0693b3076163397c
Citation identifier
NERC British Oceanographic Data Centre (BODC) / fe80982ca010869e0693b3076163397c
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Intergovernmental Oceanographic Commission (IOC)

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Natural Environment Research Council (NERC)

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Merrifield, M.

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Mitchum, G.T.

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de Fatima Jardim, M.

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Troisi, A.H.

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Ottenwalder, J.A.

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Metreveli, G.S.

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Kardara, T.

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Jaigopaul, D.K.

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Magori, C.

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Razakafoniaina, N.T.

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Maniku, M.H.

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Taleb, S.M.A.

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Dunputh, B.

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Beebeejaun, M.

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Hernandez-Gonzales, F.

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Lavin, M.

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Zavala-Hidalgo, J.

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Orbi, A.

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Reda, A.

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Sete, C.

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Gyaw, U.O.

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Oelofson, B.W.

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Cygan, B.

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Martins, L.

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Malciu, V.

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Vasiliev, A.S.

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Zilberstein, O.

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Smirnov, N.O.

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Danilov, A.I.

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Frolov, A.V.

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Di Majo, R.

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de Conceirao, M.

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Abu-Ghararah, Z.

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Toure, D.

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Diaw, B.

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Desnousse, M.

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Johnson, R.

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Chua, W.

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Bugotu, F.

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Ali Adani, A.H.

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Farre, R.

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Garcia, M.J.

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Gomez, B.P.

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Amarasinghe, S.R.

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Dayananda, H.V.

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Ariyawansa, M.A.

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Haji, A.

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Mahongo, S.

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Tantigun, W.

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NCAS British Atmospheric Data Centre (NCAS BADC)

badc@rl.ac.uk

Custodian

NCAS British Atmospheric Data Centre (NCAS BADC)

badc@rl.ac.uk

Distributor

NCAS British Atmospheric Data Centre (NCAS BADC)

badc@rl.ac.uk

pointofContact

NERC British Oceanographic Data Centre (BODC)

unknown

 		Publisher
Maintenance and update frequency
Unknown
Update scope
Series
Keywords

  • GLOSS

  • Marine

GEMET - INSPIRE themes, version 1.0

  • atmospheric conditions
Access constraints
Other restrictions
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Please contact the data centre for assistance on accessing data from this dataset collection.
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Under the following licence http://creativecommons.org/licenses/by/4.0/, appropriate use of these data may fall under any use. This message is intended as guidance, always read the full licence. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Spatial representation type
Grid
Language
English
Topic category
  • Climatology, meteorology, atmosphere
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Begin date
1807-01-01T00:01:15
Unique resource identifier
WGS 84
Distribution format
Name Version

Contact data centre for format details.
Distributor contact
Organisation name Individual name Electronic mail address Role

NCAS British Atmospheric Data Centre (NCAS BADC)

badc@rl.ac.uk

Distributor
OnLine resource
Protocol Linkage Name
https://catalogue.ceda.ac.uk/uuid/fe80982ca010869e0693b3076163397c

CEDA Data Catalogue Page
OnLine resource
Protocol Linkage Name
http://www.gloss-sealevel.org/

GLOSS Homepage
OnLine resource
Protocol Linkage Name
http://data.ceda.ac.uk/badc/CDs/gloss/manual

GLOSS Doc Directory
OnLine resource
Protocol Linkage Name
https://artefacts.ceda.ac.uk/badc_datadocs/gloss/references.html

BADC Doc: GLOSS References
Hierarchy level
Series

Conformance result

Title

Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services

Date (Publication)
2010-12-08
Statement

Please see data lineage statements for each dataset within this collection for data lineage details.

Metadata

File identifier
fe80982ca010869e0693b3076163397c XML
Metadata language
English
Character set
UTF8
Hierarchy level
Series
Hierarchy level name

series
Date stamp
2025-06-17T02:27:15
Metadata standard name
UK GEMINI
Metadata standard version

2.3
Metadata author
Organisation name Individual name Electronic mail address Role

NCAS British Atmospheric Data Centre (NCAS BADC)

badc@rl.ac.uk

Point of contact
 
 

Overviews

Spatial extent

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Keywords

GEMET - INSPIRE themes, version 1.0

atmospheric conditions


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