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Biogeochemical North Sea Climatology

This is the first version of a biogeochemical climatology in the region 47° - 65 °N and 15 °W - 15 °E. It is an expansion of the NOWESP data base („North Western European Shelf Programme“; Laane et al., 1996) and the KLIWAS North Sea Climatology of Hydrographic Data (Bersch et al., 2013). The data collection comprises observations of the parameters ammonium, chlorophyll-a, nitrate(+nitrite), phosphate, oxygen and silicate for the time period 1960-2014. If accompanying the biogeochemical parameters, temperature and salinity were also included in the collection.

The observational data are derived from/were provided by:

  • NOWESP project (Laane et al., 1996)

  • World Ocean Database 2013 (WOD13, Boyer et al., 2013 )

  • Uwe Brockmann (Institute for Geology of the University of Hamburg, Department of Biogeochemistry and Marine Chemistry)

  • DOD (German Oceanographic Data Centre)

  • PANGAEA (PANGAEA Data Publisher for Earth & Environmental Science Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research (AWI), Bremerhaven, Germany)

  • ICES (International Council for Exploration of the Sea)

  • EMODNet (European Marine Observation and Data Network)

A common data format was selected for this extensive data collection and the physical units were standardized. To avoid biasing of the final data product, duplicate observations were omitted. Additionally, erroneous observations were eliminated. For this purpose, the entity of the observation was subjected to a thorough quality control that was separately adapted to each biogeochemical parameter.

The data products can be found here in form of 3D fields of biogeochemical the parameters, that can be used, for example, as reference data for biogeochemical numerical modelling.

The talk given during the European Marine Biology Symposium (September 21-September 25, 2015) presenting the Biogeochemical North Sea Climatology offers further information.

This project was partly funded by CliSAP.


Parameters

ammonium, µmol/l

chlorophyll-a, µg/l

nitrate (+nitrite), µmol/l

phosphate, µmol/l

oxygen, µmol/l

silicate, µmol/l

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temperature, °C

salinity, -

Note: Concerning the parameters temperature and salinity, we refer to the KLIWAS North Sea Climatology for Hydrographic Data. The Biogeochemical North Sea Climatology contains observations of temperature and salinity only in those cases when they were recorded at the same time as the biogeochemical parameters.

Contact



References

Bersch, Manfred; Gouretski, Viktor; Sadikni, Remon; Hinrichs, Iris; (2013): KLIWAS North Sea Climatology of Hydrographic Data (Version 1.1); World Data Center for Climate (WDCC). doi:10.1594/WDCC/KNSC_hyd_v1.0

Boyer, T.P., J. I. Antonov, O. K. Baranova, C. Coleman, H. E. Garcia, A. Grodsky, D. R. Johnson, R. A. Locarnini, A. V. Mishonov, T.D. O'Brien, C.R. Paver, J.R. Reagan, D. Seidov, I. V. Smolyar, and M. M. Zweng, 2013: World Ocean Database 2013, NOAA Atlas NESDIS 72, S. Levitus, Ed., A. Mishonov, Technical Ed.; Silver Spring, MD, 209 pp., http://doi.org/10.7289/V5NZ85MT

Laane, R.W.P.M.; van Leussen, W.; Radach, G.; Berlamont, J.; Sündermann, J.; van

Raaphorst, W. and Colijn, F. North-West European shelf programme (NOWESP): An Overview., 1996

The talk given during the European Marine Biology Symposium (September 21-September 25, 2015)



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