dataset · Global
NASA Earth Exchange (NEX) Data Collection
A collection of downscaled climate change projections, derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 5 (CMIP5) [Taylor et al. 2012] and across the four greenhouse gas emissions scenarios known as Representative Concentration Pathways (RCPs) [Meinshausen et al. 2011]. The NASA Earth Exchange group maintains the NEX-DCP30 (CMIP5), NEX-GDDP (CMIP5), and LOCA (CMIP5). NOTE: The S3 Bucket location for this dataset changed on 5/6/
Visit source ↗Source details
Licence: US Government work
Evidence quality: 38.9
Listed in aws-odr public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata checked: 2026-10-14T13:20:00.000Z
What's in it
- Data offered docs-verified
- NEX-DCP30 downscaled climate projections · NEX-GDDP global daily downscaled projections · LOCA localized constructed analogs downscaled projections
- Coverage llm-inferred
- Global
- Update frequency docs-verified
- Infrequently
- Access docs-verified
- Free/open: anonymous AWS CLI access to S3 (no AWS account required); licence: US Government work
Useful for
- Use cases llm-inferred
- Future temperature and precipitation scenarios for water resources and drought assessments · Downscaled climate change deltas for flood risk climate-change sensitivity testing · Climate projection inputs for long-term drainage or catchment planning studies
- Audience llm-inferred
- hydrologists · flood risk consultants · water resources engineers · climate risk analysts
Limitations
- Constraints llm-inferred
- Based on CMIP5 and RCP scenarios, not newer CMIP6/SSP projections · S3 bucket location changed on 5/6/2026, so check paths before scripting · Infrequent update cadence · Delivered as raw S3 objects; no API or tool wrapper is described · Spatial and temporal resolution not stated in the docs
Evidence
- arn:aws:s3:::nasa-nex/NEX-DCP30, arn:aws:s3:::nasa-nex/NEX-GDDP, arn:aws:s3:::nasa-nex/LOCA
- https://registry.opendata.aws/nasanex/
Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.