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| Titel |
OceanSITES format and Ocean Observatory Output harmonisation: past, present and future |
| VerfasserIn |
Maureen Pagnani, Nan Galbraith, Stephen Diggs, Matthias Lankhorst, Marton Hidas, Richard Lampitt |
| Konferenz |
EGU General Assembly 2015
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 17 (2015) |
| Datensatznummer |
250111630
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| Publikation (Nr.) |
 EGU/EGU2015-11768.pdf |
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| Zusammenfassung |
| The Global Ocean Observing System (GOOS) initiative was launched in 1991, and was the
first step in creating a global view of ocean observations. In 1999 oceanographers at the
OceanObs conference envisioned a ”global system of eulerian observatories” which evolved
into the OceanSITES project.
OceanSITES has been generously supported by individual oceanographic institutes and
agencies across the globe, as well as by the WMO-IOC Joint Technical Commission for
Oceanography and Marine Meteorology (under JCOMMOPS). The project is directed by the
needs of research scientists, but has a strong data management component, with an
international team developing content standards, metadata specifications, and NetCDF
templates for many types of in situ oceanographic data.
The OceanSITES NetCDF format specification is intended as a robust data exchange and
archive format specifically for time-series observatory data from the deep ocean. First
released in February 2006, it has evolved to build on and extend internationally recognised
standards such as the Climate and Forecast (CF) standard, BODC vocabularies, ISO formats
and vocabularies, and in version 1.3, released in 2014, ACDD (Attribute Convention for
Dataset Discovery). The success of the OceanSITES format has inspired other observational
groups, such as autonomous vehicles and ships of opportunity, to also use the format and
today it is fulfilling the original concept of providing a coherent set of data from eurerian
observatories.
Data in the OceanSITES format is served by 2 Global Data Assembly Centres (GDACs),
one at Coriolis, in France, at ftp://ftp.ifremer.fr/ifremer/oceansites/ and one at the US NDBC,
at ftp://data.ndbc.noaa.gov/data/oceansites/. These two centres serve over 26,800
OceanSITES format data files from 93 moorings. The use of standardised and controlled
features enables the files held at the OceanSITES GDACs to be electronically discoverable
and ensures the widest access to the data.
The OceanSITES initiative has always been truly international, and in Europe the first
project to include OceanSITES as part of its outputs was ANIMATE(2002-2005), where 3
moorings and 5 partners shared equipment, methods and analysis effort and produced their
final outputs in OceanSITES format. Subsequent European projects, MERSEA(2004-2008)
and EuroSITES (2008-2011) built on that early success and the current European project
FixO3 encompasses 23 moorings and 29 partners, all of whom are committed to producing
data in OceanSITES format.
The global OceanSITES partnership continues to grow; in 2014 the Australian
Integrated Marine Observing System ( IMOS) started delivering data to the OceanSITES
FTP, and files and India, South Korea and Japan are also active members of the
OceanSITES community. As illustrated in figure 1 the OceanSITES sites cover the
entire globe, and the format has now matured enough to be taken up by other user
groups.
GO-SHIP, a global, ship-based hydrographic program, shares technical management with
OceanSITES through JCOMMOPS, and has its roots in WOCE Hydrography. ÂThis program
complements OceanSITES and directly contributes to the mooring data holdings by
providing repeated ÂCTD and bottle profiles at specific locations. ÂGO-SHIP hydrographic
data adds a source of timeseries profiles and Âare provided in the OceanSITES file structure
to facilitate full data interoperability.
GO-SHIP has worked closely with the OceanSITES program, and this interaction has
produced an unexpected side benefit - all data in the GO-SHIP database will be offered the
robust and CF-compliant OceanSITES format beginning in 2015.
The MyOcean European ocean monitoring and forecasting project has been in existence
since 2009, and has successfully used the OceanSITES format as a unifying paradigm.
MyOcean daily receives hundreds of data files from across Europe, and distributes the data
from drifter buoys, moorings and tide gauges in OceanSITES format. These in-situ
data are essential for both model verification points and for assimilation into the
models.
The use of the OceanSITES format now exceeds the hopes and expectations of the
original OceanObs vision in 1999 and the stewardship of the format development, extension
and documentation is in the expert care of the international OceanSITES Data Management
Team.
PIC
Figure 1 |
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