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ICDC
CENIntegrated Climate Data Center ICDC

Photo: getty images/L. Calvetti

KLIWAS North Sea Climatology (KNSC)

KLIWAS

In the frame of the research program KLIWAS (Klimawandel und Wasserstraßen) of the Bundesministerium für Verkehr, Bau und Stadtentwicklung new hydrographic and meteorological climatologies of the North Sea and surrounding regions (47 to 65 °N, 15 °W to 15 °E) were established in a cooperation of the Exzellenzcluster CliSAP of the University of Hamburg, the Bundesamt für Seeschifffahrt und Hydrographie, Hamburg, and the Deutscher Wetterdienst, Hamburg.

Observational data from several sources were collected and processed for the calculation of the quality-controled climatologies. The climatologies consist of gridded, yearly and monthly mean hydrographic and surface meteorological data, respectively. It is planned to expand the climatologies including additional and especially actual data in future versions.

This Climatology was temporally and spatially extended in the frame of the project Baltic and North Seas Climatology.

Hydrographic Climatology

Mean temperature and salinity at the sea surface using all yearly means. The white lines show the bottom contours of 100, 500, and 2000 m depth.
Fig. 1: Mean temperature (°C) and salinity (psu) at the sea surface using all yearly means. The white lines show the bottom contours of 100, 500, and 2000 m depth.  Copyright: UHH/CEN/AJB

The first version of the hydrographic climatology contains temperature and salinity data at 179 depth levels of the ocean on a 0.25° x 0.5° latitude-longitude grid for the period 1890 to 2011.

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Meteorological Climatology

air temperature / air pressure climatology Jul 1971-2000
Fig. 2: Monthly mean air temperature in °C, July 1971-2000, data: DWD. Copyright: UHH/CEN/AJB
Fig. 3: Monthly mean sea level pressure in hPa, July 1971-2000, data: DWD.  Copyright: UHH/CEN/AJB

The first version of the meteorological climatology contains air temperature, air pressure and dew-point temperature at the sea surface on a 1° x 1° latitude-longitude grid for the period 1950 to 2010.

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In Cooperation with

BSH, DWD Logo