CONUS404: The NCAR-USGS 4-km long-term regional hydroclimate reanalysis over the CONUS

R. M. Rasmussen; F. Chen; C. H. Liu; K. Ikeda; A. Prein; J. Kim; T. Schneider; A. Dai; D. Gochis; A. Dugger; Y. Zhang; A. Jaye; J. Dudhia; C. He; M. Harrold; L. Xue; S. Chen; A. Newman; E. Dougherty; R. Abolafia-Rozenzweig; N. Lybarger; Roland J. Viger; David P. Lesmes; Katherine Skalak; John Brakebill; Donald Walter Cline; Krista A. Dunne; K. Rasmussen; G. Miguez-Macho

doi:10.1175/BAMS-D-21-0326.1

CONUS404: The NCAR-USGS 4-km long-term regional hydroclimate reanalysis over the CONUS

Bulletin of the American Meteorological Society

By: R. M. Rasmussen, F. Chen, C. H. Liu, K. Ikeda, A. Prein, J. Kim, T. Schneider, A. Dai, D. Gochis, A. Dugger, Y. Zhang, A. Jaye, J. Dudhia, C. He, M. Harrold, L. Xue, S. Chen, A. Newman, E. Dougherty, R. Abolafia-Rozenzweig, N. Lybarger, Roland J. Viger, David P. Lesmes, Katherine Skalak, John Brakebill, Donald Walter Cline, Krista A. Dunne, K. Rasmussen, and G. Miguez-Macho

https://doi.org/10.1175/BAMS-D-21-0326.1

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Abstract

A unique, high-resolution, hydroclimate reanalysis, 40-plus-year (October 1979–September 2021), 4 km (named as CONUS404), has been created using the Weather Research and Forecasting Model by dynamically downscaling of the fifth-generation European Centre for Medium-Range Weather Forecasts (ECMWF) atmospheric reanalysis of the global climate dataset (ERA5) over the conterminous United States. The paper describes the approach for generating the dataset, provides an initial evaluation, including biases, and indicates how interested users can access the data. The motivation for creating this National Center for Atmospheric Research (NCAR)–U.S. Geological Survey (USGS) collaborative dataset is to provide research and end-user communities with a high-resolution, self-consistent, long-term, continental-scale hydroclimate dataset appropriate for forcing hydrological models and conducting hydroclimate scientific analyses over the conterminous United States. The data are archived and accessible on the USGS Black Pearl tape system and on the NCAR supercomputer Campaign storage system.

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Additional publication details
Publication type	Article
Publication Subtype	Journal Article
Title	CONUS404: The NCAR-USGS 4-km long-term regional hydroclimate reanalysis over the CONUS
Series title	Bulletin of the American Meteorological Society
DOI	10.1175/BAMS-D-21-0326.1
Volume	104
Issue	8
Year Published	2023
Language	English
Publisher	American Meteorological Society
Contributing office(s)	WMA - Integrated Modeling and Prediction Division
Description	27 p.
First page	E1382
Last page	E1408
Country	United States
Other Geospatial	Continental United States
Google Analytic Metrics	Metrics page