Bird density - 5 minute real-time bird density and birdtam values over the Netherlands, Belgium and Germany
This dataset contains a gridded composite of vertically integrated bird densities over the Netherlands, Belgium and Germany. For this dataset all operational weather radar data is used from these 3 countries. The composite is computed using BioRad and also reclassified to BIRDTAM values. Both the BIRDTAM values and the vertically integrated bird densities are stored in the dataset.
Simple
- Date (Publication)
- 2026-02-26
- Edition
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1
- Citation identifier
- urn:xkdc:ds:nl.knmi::radar_bird_density_composite_nl/1.0/
- Status
- On going
- Point of contact
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Organisation name Individual name Electronic mail address Role Koninklijk Nederlands Meteorologisch Instituut (KNMI)
Point of contact
- Maintenance and update frequency
- Continual
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DG Discovery Properties Vocabulary 1.0
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Aviation
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Birds
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Radar
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Realtime
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- Keywords
-
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Dynamic
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Open data
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- Use limitation
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No use limitations
- Access constraints
- Other restrictions
- Other constraints
- Classification
- Unclassified
- Spatial representation type
- Grid
- Distance
- 1000 meters
- Language
- English
- Character set
- UTF8
- Topic category
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- Climatology, meteorology, atmosphere
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- Begin date
- 2026-02-26
- End date
- 9999-12-31
- Supplemental Information
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More information on the KNMI Open Source radar repository: https://gitlab.com/KNMI-OSS/radar/datasets
- Reference system identifier
- http://www.opengis.net/def/crs/EPSG/0/3035
- Distribution format
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Name Version NetCDF
4
- Distributor contact
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Organisation name Individual name Electronic mail address Role Koninklijk Nederlands Meteorologisch Instituut (KNMI)
Point of contact
Digital transfer options
- OnLine resource
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Protocol Linkage Name landingpage
https://dataplatform.knmi.nl/catalog/datasets/index.html?x-dataset=radar_bird_density_composite_nl&x-dataset-version=1.0 KNMI Data Platform
- Hierarchy level
- Dataset
- Statement
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Volumetric data from radars in Germany, Belgium and the Netherlands are fed to the bioRad opensource tool. This tool uses several radar variables to estimate a vertical profile of birds. This vertical profile is then applied to all reflectivity data within a distance of 80 km to the radar, to create an estimate of vertically integrated bird density. Note that, since this is applied to all reflectivity data, also precipitation and other sources of reflectivity will be converted to bird density values. Typically it is assumed that BIRDTAM values of 9 or higher are due to precipitation or other sources and not ornithological.
Metadata
- File identifier
- 420025f8-2dc1-41e2-a7af-e5b546b3836c XML
- Metadata language
- English
- Character set
- UTF8
- Hierarchy level
- Dataset
- Date stamp
- 2026-06-02T08:23:30.5411Z
- Metadata standard name
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ISO 19115
- Metadata standard version
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ISO 19115:2003 NL Kernset 1.3 KNMI 1.1
- Metadata author
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Organisation name Individual name Electronic mail address Role Koninklijk Nederlands Meteorologisch Instituut (KNMI)
Point of contact
- Other language
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Language Character encoding Dutch; Flemish English UTF8
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