CHELSA-daily (V2.1)
type: Dataset
comment: This dataset metadata was generated with the use of AI and reviewed by an expert. If you see any mistakes please file an issue on GitHub at https://github.com/earthcube/communityCollections/issues.
description: CHELSA-daily is a global, kilometer-scale climate dataset generated with the CHELSA downscaling model. It consists of daily surface variables summarized as daily means, minima, maxima, or (in some cases) daily accumulations.
version: 2.1
creator: WSL (Swiss Federal Institute for Forest, Snow and Landscape Research)
publisher: WSL (Swiss Federal Institute for Forest, Snow and Landscape Research)
keywords: CHELSA
keywords: daily climate
keywords: downscaling
keywords: temperature
keywords: precipitation
keywords: humidity
keywords: wind speed
keywords: solar radiation
variable measured: Total Cloud Cover Percentage
  type: PropertyValue
  alternate name: clt
  unit text: percent
  description: Total cloud area fraction, reported as a percentage, for the whole atmospheric column.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Near-Surface Relative Humidity
  type: PropertyValue
  alternate name: hurs
  unit text: percent
  description: Relative humidity near the surface.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Precipitation
  type: PropertyValue
  alternate name: pr
  unit text: kg m-2 day-1
  description: Precipitation including liquid and solid phases.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Precipitation
  type: PropertyValue
  alternate name: prec
  unit text: kg m-2 day-1
  description: Downscaled forecast precipitation from ERA5; not bias corrected and should not be mixed with pr.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Surface Air Pressure
  type: PropertyValue
  alternate name: ps
  unit text: hPa
  description: Surface pressure, not mean sea-level pressure.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Surface Downwelling Shortwave Flux in Air
  type: PropertyValue
  alternate name: rsds
  unit text: W m-2
  description: Surface solar irradiance for UV calculations.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Near-Surface Wind Speed
  type: PropertyValue
  alternate name: sfcWind
  unit text: m s-1
  description: Near-surface, usually 10 meter, wind speed.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Daily Mean Near-Surface Air Temperature
  type: PropertyValue
  alternate name: tas
  unit text: K
  description: Near-surface, usually 2 meter, air temperature.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Daily Maximum Near-Surface Air Temperature
  type: PropertyValue
  alternate name: tasmax
  unit text: K
  description: Maximum near-surface, usually 2 meter, air temperature.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Daily Minimum Near-Surface Air Temperature
  type: PropertyValue
  alternate name: tasmin
  unit text: K
  description: Minimum near-surface, usually 2 meter, air temperature.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Air Temperature Lapse Rate
  type: PropertyValue
  alternate name: tz
  unit text: K m-1
  description: Rate of change in air temperature with altitude calculated over the centennial period.
  temporal coverage: 1979-01-01/2025-08-29
  spatial coverage: Global land surface areas
    type: Place
    geo: GeoShape
      box: -180.0,-60.0 180.0,90.0
  temporal resolution: not detected
  spatial resolution: not detected
license: https://creativecommons.org/publicdomain/zero/1.0/
encoding format: image/tiff
encoding format: application=geotiff
encoding format: profile=cloud-optimized
encoding format: COG
distribution: CHELSA-daily downloads (COG)
  type: DataDownload
  description: Download portal for CHELSA-daily. Files are provided via the CHELSA download service; see dataset page for details and variable-specific subdirectories.
  encoding format: image/tiff
  encoding format: application=geotiff
  encoding format: profile=cloud-optimized
distribution: Catalog landing page (downloads)
  type: DataDownload
  description: Alternative CHELSA downloads landing page.
  encoding format: text/html
citation: Climatologies at high resolution for the earth's land surface areas
  type: ScholarlyArticle
  author: D. N. Karger
  author: O. Conrad
  author: J. Böhner
  author: T. Kawohl
  author: H. Kreft
  author: R. W. Soria-Auza
  author: N. E. Zimmermann
  author: H. P. Linder
  author: M. Kessler
  date published: 2017
  is part of: Scientific Data
  volume number: 4
  pagination: 170122
citation: CHELSA-daily climate data at high resolution
  type: Dataset
  author: D. N. Karger
  publisher: EnviDat
  date published: 2025
about: Climate
about: Downscaled meteorology
about: High-resolution gridded data

WSL (Swiss Federal Institute for Forest, Snow and Landscape Research)
type: Organization

PropertyValue
property ID: doi
value: 10.1038/sdata.2017.122

PropertyValue
property ID: doi
value: 10.16904/envidat.687