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CMIP6-based Dynamically Downscaled Hydroclimate Projection over the Conterminous US

  • Ashfaq, Moetasim | Oak Ridge National Laboratory
  • Rastogi, Deeksha | Oak Ridge National Laboratory
  • Kao, Shih-Chieh | Oak Ridge National Laboratory
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Overview

Description

This dataset presents a suite of downscaled hydro-climate projections over the conterminous United States (CONUS) based on multiple selected Global Climate Models (GCMs) from the Coupled Models Intercomparison Project phase 6 (CMIP6). The CMIP6 GCMs are downscaled dynamically using Regional Climate Model version 4 (RegCM4). Each ensemble member covers the 1980-2019 baseline and 2020-2059 near-future periods under the high-end (SSP585) emission scenario. This dataset is formulated to support the SECURE Water Act Section 9505 Assessment for the US Department of Energy (DOE) Water Power Technologies Office (WPTO). For further details on this dataset, please refer to Kao et al. (2022) and Rastogi et al. (2022).

Funding Resources

DOE Contract Number

AC05-00OR22725

Originating Research Organization

Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization

US Department of Energy (DOE) Water Power Technologies Office (WPTO)

Project Identifier

CLI138

Related Resources

Details

DOI

10.13139/OLCF/3000752

Release Date

November 10, 2025

Dataset

Dataset Type

ND Numeric Data

Software

Any type of NetCDF readers

Acknowledgements

This research used resources of the Oak Ridge Leadership Computing Facility at the Oak Ridge National Laboratory, which is supported by the Advanced Scientific Computing Research programs in the Office of Science of the U.S. Department of Energy under Contract No. DE-AC05-00OR22725.

Category

  • 54 ENVIRONMENTAL SCIENCES,
  • 58 GEOSCIENCES,
  • 13 HYDRO ENERGY,
  • 97 MATHEMATICS AND COMPUTING

Keywords

  • atmospheric science,
  • CMIP6,
  • CONUS,
  • RegCM,
  • Downscaling,
  • Hydroclimate Projections