NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP-CMIP6)
Provided by: NASA , part of the Amazon Sustainability Data Initiative
Provided by: NASA , part of the Amazon Sustainability Data Initiative
NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP-CMIP6)
Provided by: NASA , part of the Amazon Sustainability Data Initiative
Provided by: NASA , part of the Amazon Sustainability Data Initiative
This product is part of the Amazon Sustainability Data Initiative and contains data sets that are publicly available for anyone to access and use. No subscription is required. Unless specifically stated in the applicable data set documentation, data sets available through the Amazon Sustainability Data Initiative are not provided and maintained by AWS.
Description
The NEX-GDDP-CMIP6 dataset is comprised of global downscaled climate scenarios derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 6 (CMIP6) and across two of the four "Tier 1" greenhouse gas emissions scenarios known as Shared Socioeconomic Pathways (SSPs). The CMIP6 GCM runs were developed in support of the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR6). This dataset includes downscaled projections from ScenarioMIP model runs for which daily scenarios were produced and distributed through the Earth System Grid Federation. The purpose of this dataset is to provide a set of global, high resolution, bias-corrected climate change projections that can be used to evaluate climate change impacts on processes that are sensitive to finer-scale climate gradients and the effects of local topography on climate conditions.
License
As noted in the metadata of each file, the NEX-GDDP-CMIP6 archive was initially made available through a CC-BY-SA 4.0 , as required by the standard data license of the original CMIP6 data. In June 2022, the CMIP6 community updated their underlying licenses https://wcrp-cmip.github.io/CMIP6_CVs/docs/CMIP6_source_id_licenses.html , thereby allowing the NEX-GDDP-CMIP6 data license to also be updated. As of September 2022, all NEX-GDDP-CMIP6 outputs are made available under a blanket Creative Commons Zero license (CC0) license.
Documentation
How to cite
NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP-CMIP6) was accessed on DATE from https://registry.opendata.aws/nex-gddp-cmip6 .
NEX-GDDP-CMIP6 data was accessed on [date] from https://registry.opendata.aws/nex-gddp-cmip6
Update frequency
No future updates planned.
Support information
Managed by: NASA
Contact: support@nccs.nasa.gov
General AWS Data Exchange support
Resources on AWS
Description
The NEX-GDDP-CMIP6-COG archive. Files are in Cloud-Optimized GeoTiff (COG) format. COG is a raster data format optimized for cloud-native processing and visualizations. Internal tiling and overviews allow map clients to progressively load subsections (or tiles) of the raster data at any zoom level very efficiently. Note: since the overviews are generated by downsampling the data from the zoom level above, care should be taken to use data from the native resolution for most analysis purposes. The NEX-GDDP-CMIP-COG archive was generated by re-processing a subset of the NEX-GDDP-CMIP6 archive from NetCDF into COGs. The subset contains 2 models: GFDL-CM4 and GISS-E2-1-G and 2 SSPs for each model: ssp245 and ssp585. The data is divided into 3 sub-products: daily, monthly, crossing.
- daily: source data with daily timestamps.
- monthly: monthly aggregatations across both models, currently displayed in the https://cmip6.surge.sh/ dashboard. The reduced temporal granularity makes this sub-product a good choice for interactive dashboards.
- crossing: a single data product for each ssp, that indicates the number of years until the average daily temperature is expected to pass the 2 degree limit from the Paris Agreement, at each position on earth.
Resource type
S3 Bucket
Amazon Resource Name (ARN)
arn:aws:s3:::nex-gddp-cmip6-cogAWS Region
us-west-2AWS CLI Access (No AWS account required)
aws s3 ls --no-sign-request s3://nex-gddp-cmip6-cog/Explore
Usage examples
Publications
- NASA and ASDI announce no-cost access to important climate dataset on the AWS Cloud by Dr. Manil Maskey and Ana Pinheiro Privette
- NASA Global Daily Downscaled Projections, CMIP6 by Thrasher, B., Wang, W., Michaelis, A., Melton, F., Lee, T. and Nemani, R.
Tools & Applications