CHELSA-TraCE21k-centennial-bioclim (V1.0)
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-TraCE21k-centennial-bioclim is a global, kilometer-scale dataset generated with the CHELSA-TraCE21k downscaling model. It consists of bioclimatic and topographic variables summarized over centennial time steps from 21k BP to 0 BP.
version: 1.0
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: TraCE21k
keywords: paleoclimate
keywords: bioclim
keywords: bioclimatic variables
keywords: downscaling
variable measured: Mean Annual Near-Surface Air Temperature
  type: PropertyValue
  alternate name: bio01
  unit text: K
  description: Mean annual temperature calculated as the average of mean monthly temperatures over the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Diurnal Near-Surface Air Temperature Range
  type: PropertyValue
  alternate name: bio02
  unit text: K
  description: Mean diurnal temperature range computed as the average of monthly daily maximum minus daily minimum near-surface air temperature
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Isothermality
  type: PropertyValue
  alternate name: bio03
  unit text: K
  description: Isothermality: 100 × bio02 ÷ bio07; compares day-night variability to annual temperature range
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Temperature Seasonality
  type: PropertyValue
  alternate name: bio04
  unit text: K
  description: Temperature seasonality given by the standard deviation of mean monthly temperatures
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Daily Maximum Near-Surface Air Temperature of the Warmest Month
  type: PropertyValue
  alternate name: bio05
  unit text: K
  description: Highest monthly mean of daily maximum temperatures across the year; indicates peak thermal conditions
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Daily Minimum Near-Surface Air Temperature of the Coldest Month
  type: PropertyValue
  alternate name: bio06
  unit text: K
  description: Lowest monthly mean of daily minimum temperatures across the year; characterizes winter cold intensity
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Annual Daily Mean Near-Surface Air Temperature Range
  type: PropertyValue
  alternate name: bio07
  unit text: K
  description: Annual temperature range calculated as bio05 minus bio06; measures amplitude between warmest and coldest months
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Daily Near-Surface Air Temperature of the Wettest Quarter
  type: PropertyValue
  alternate name: bio08
  unit text: K
  description: Average monthly mean temperature over the wettest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Daily Near-Surface Air Temperature of the Driest Quarter
  type: PropertyValue
  alternate name: bio09
  unit text: K
  description: Average monthly mean temperature over the driest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Daily Mean Near-Surface Air Temperature of the Warmest Quarter
  type: PropertyValue
  alternate name: bio10
  unit text: K
  description: Average monthly mean temperature over the warmest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Daily Mean Near-Surface Air Temperature of the Coldest Quarter
  type: PropertyValue
  alternate name: bio11
  unit text: K
  description: Average monthly mean temperature over the coldest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Annual Precipitation
  type: PropertyValue
  alternate name: bio12
  unit text: kg m-2 year-1
  description: Sum of monthly precipitation totals across the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Precipitation of the Wettest Month
  type: PropertyValue
  alternate name: bio13
  unit text: kg m-2 month-1
  description: Maximum monthly precipitation total
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Precipitation of the Driest Month
  type: PropertyValue
  alternate name: bio14
  unit text: kg m-2 month-1
  description: Minimum monthly precipitation total
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Precipitation Seasonality
  type: PropertyValue
  alternate name: bio15
  unit text: kg m-2
  description: Coefficient of variation: 100 × standard deviation ÷ mean of monthly precipitation totals
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Monthly Precipitation of the Wettest Quarter
  type: PropertyValue
  alternate name: bio16
  unit text: kg m-2 month-1
  description: Average monthly precipitation during the wettest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Monthly Precipitation of the Driest Quarter
  type: PropertyValue
  alternate name: bio17
  unit text: kg m-2 month-1
  description: Average monthly precipitation during the driest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Monthly Precipitation of the Warmest Quarter
  type: PropertyValue
  alternate name: bio18
  unit text: kg m-2 month-1
  description: Average monthly precipitation during the warmest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Mean Monthly Precipitation of the Coldest Quarter
  type: PropertyValue
  alternate name: bio19
  unit text: kg m-2 month-1
  description: Average monthly precipitation during the coldest three-month period of the year
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Ice Sheet Surface Altitude
  type: PropertyValue
  alternate name: glz
  unit text: m
  description: Elevation of the ice sheet surface above sea level.
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Surface Altitude
  type: PropertyValue
  alternate name: orog
  unit text: m
  description: Geometric height of the land surface above the geoid.
  temporal coverage: 21000BP/0BP
  spatial coverage: Global land surface areas
  temporal resolution: not detected
  spatial resolution: not detected
variable measured: Snow Cover Days
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-TraCE21k-centennial-bioclim downloads (COG)
citation: CHELSA-TraCE21k: high-resolution (1 km) downscaled transient temperature and precipitation data since the Last Glacial Maximum
citation: CHELSA-TraCE21k-centennial-bioclim and topographic data since the Last Glacial Maximum
about: Paleoclimate bioclimatic predictors
about: Species distribution modeling (paleo)

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

PropertyValue
property ID: doi
value: 10.5194/cp-19-439-2023

PropertyValue
property ID: doi
value: 10.16904/envidat.691

Snow Cover Days
type: PropertyValue
alternate name: scd
unit text: days
description: Number of days per year with snow cover present at the surface.
temporal coverage: 21000BP/0BP
spatial coverage: Global land surface areas
temporal resolution: not detected
spatial resolution: not detected

CHELSA-TraCE21k-centennial-bioclim downloads (COG)
type: DataDownload
description: Download portal for TraCE21k centennial bioclim variables.
encoding format: image/tiff
encoding format: application=geotiff
encoding format: profile=cloud-optimized

CHELSA-TraCE21k: high-resolution (1 km) downscaled transient temperature and precipitation data since the Last Glacial Maximum
type: ScholarlyArticle
author: D. N. Karger
author: M. P. Nobis
author: S. Normand
author: C. H. Graham
author: N. E. Zimmermann
date published: 2023
is part of: Climate of the Past
volume number: 19
pagination: 439-456

CHELSA-TraCE21k-centennial-bioclim and topographic data since the Last Glacial Maximum
type: Dataset
author: D. N. Karger
publisher: EnviDat
date published: 2025

Paleoclimate bioclimatic predictors
type: Thing

Species distribution modeling (paleo)
type: Thing