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CMIP6-based Multi-model Streamflow Projections over the Conterminous US, Version 1.1

  • Kao, Shih-Chieh | Oak Ridge National Laboratory
  • Ghimire, Ganesh R. | Oak Ridge National Laboratory
  • Gangrade, Sudershan | Oak Ridge National Laboratory
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Overview

Description

This dataset presents an ensemble of streamflow projections covering the conterminous United States (CONUS), developed to support the SECURE Water Act Section 9505 Assessment for the US Department of Energy (DOE) Water Power Technologies Office (WPTO). Multiple Coupled Models Intercomparison Project phase 6 (CMIP6) Global Climate Models (GCMs) were downscaled using either statistical (DBCCA) or dynamical (RegCM) downscaling methods, based on two meteorological reference datasets (Daymet and Livneh). Subsequently, the downscaled precipitation, temperature, and wind speed data were used to drive two calibrated hydrologic models (VIC and PRMS), with total runoff routed through the Routing Application for Parallel computatIon of Discharge (RAPID) routing model, producing an ensemble of streamflow projections across 2.7 million NHDPlusV2 stream reaches across the CONUS. Each ensemble member covers the 1980-2019 baseline and 2020-2059 near-future periods under the high-end (SSP585) emission scenario. Additionally, using only DBCCA and Daymet, the projections extend to the 2060-2099 far-future period and encompass three additional emission scenarios (SSP370, SSP245, and SSP126). This dataset is designed to support the SECURE Water Act Section 9505 Assessment for the US Department of Energy (DOE) Water Power Technologies Office (WPTO). For further details, refer to Kao et al. (2022), Rastogi et al. (2022), and Ghimire et al. (2023).

Funding resources

DOE contract number

DE-AC05-00OR22725

Originating research organization

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

Sponsoring organization

DOE Water Power Technologies Office

Related resources

Details

DOI

10.13139/OLCF/2318650

Release date

May 3, 2024

Dataset

Dataset type

ND Numeric Data

Software

Any type of NetCDF readers

Acknowledgements

Papers using this dataset are requested to include the following text in their acknowledgements:

*Support for 10.13139/OLCF/2318650 is provided by the U.S. Department of Energy, project CLI138 under Contract DE-AC05-00OR22725. This research used resources of the Oak Ridge Leadership Computing Facility, which is a DOE Office of Science User Facility.

Category

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

Keywords

  • SECURE Water Act Section 9505 Assessment,
  • Streamflow Projections,
  • Dayflow,
  • RAPID,
  • CMIP6,
  • DBCCA,
  • RegCM,
  • VIC,
  • PRMS,
  • Hydropower