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Dataset

Clouds - cloud base heights and backscatter profiles from CHM15k ceilometers in the KNMI observation network, 12 second instrument data

Permanent linkCopied
State Available
Data owner Koninklijk Nederlands Meteorologisch Instituut (Rijk)
Updated 02-09-2025
License CC-BY (4.0)
Thema
  • Air
Publicity level Public
Metadata Download (XML/RDF)

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Description

This dataset contains backscatter profiles from the CHM15k ceilometer, a one-wavelength backscatter lidar operating at 1064 nm. It includes uncalibrated, unvalidated data reported by the instrument at 33 sites in the nationwide meteorological observing network. Retrieved cloud base heights up to 3 layers, sky condition information and aerosol layer height, based on manufacturer algorithms are included. Vertical resolution: 10 m, time resolution: 12 s.

aerosol backscatter ceilometer clouds core-dataset dynamic lidar open-data ruisdael

Owner

Owner information

Data owner:
Koninklijk Nederlands Meteorologisch Instituut (Rijk)

Contact point

Department:
Koninklijk Nederlands Meteorologisch Instituut (KNMI)
Email address:
opendata@knmi.nl

Publication & catalogues

Data publisher:
Koninklijk Nederlands Meteorologisch Instituut (Rijk)

Reuse

Access rights:
Public
Status dataset:
Available

Licence & conditions

License:
CC-BY (4.0)

Location and time

Temporal coverage

Start coverage period:
01-08-2025
End coverage period:
31-12-9999

Relations

Comparable datasets

  1. Clouds - cloudbase heights and backscatter profiles from CT75 ceilometer at 30 s interval for Cabauw
  2. Clouds - cloud base heights and backscatter profiles from CHM15k ceilometers in the KNMI observation network, 12 second instrument data
  3. Clouds - calibrated attenuated backscatter profiles from CHM15k ceilometers in the KNMI observation network, 5 minute averaged data
  4. Clouds - calibrated attenuated backscatter profiles from CHM15k ceilometers in the KNMI observation network, 5 minute averaged data
  5. Clouds - UV-Lidar uncalibrated attenuated backscatter at 30 s interval at Cabauw
  6. Clouds - Baltex Bridge Cloud campaign august-september 2001 at Cabauw
  7. Clouds - 2D cloudmask from infrared measurements at 10 minute intervals at CESAR observatory
  8. Clouds - cloud cover retrieved from infrared measurements at 10 minute intervals at CESAR observatory
  9. Cloud-modified UV index
  10. Clouds - BBC2 campaign May 2003 at Cabauw

Metadata

Language settings

Data language

  • English

Metadata language

  • English

Identifiers

Primary identifier

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Documentation

KNMI Data Platform

HTML CC-BY (4.0)
Download: https://dataplatform.knmi.nl/catalog/datasets/index.html?x-dataset=ceilonet_chm15k_backsct_la1_t12s&x-dataset-version=v2.0

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