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. 2022 Jun 2;9(1):262.
doi: 10.1038/s41597-022-01393-4.

NASA Global Daily Downscaled Projections, CMIP6

Affiliations

NASA Global Daily Downscaled Projections, CMIP6

Bridget Thrasher et al. Sci Data. .

Abstract

We describe the latest version of the NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP-CMIP6). The archive contains downscaled historical and future projections for 1950-2100 based on output from Phase 6 of the Climate Model Intercomparison Project (CMIP6). The downscaled products were produced using a daily variant of the monthly bias correction/spatial disaggregation (BCSD) method and are at 1/4-degree horizontal resolution. Currently, eight variables from five CMIP6 experiments (historical, SSP126, SSP245, SSP370, and SSP585) are provided as procurable from thirty-five global climate models.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
End of century daily average maximum near-surface air temperature difference between the downscaled CanESM5 model output (CMIP6) and the corresponding downscaled CanESM2 model output (CMIP5).
Fig. 2
Fig. 2
Same as Fig. 1, but for precipitation.
Fig. 3
Fig. 3
Example CDF for maximum daily near-surface temperature. Arrows illustrate the quantile mapping process used for bias correction. Adapted from Thrasher, et al., 2012.

References

    1. 2015. NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) https://www.nccs.nasa.gov/services/data-collections/land-based-products/...
    1. Wood, A. W., Maurer, E. P., Kumar, A. & Lettenmaier, D. P. Long-range experimental hydrologic forecasting for the eastern United States. J. of Geophysical Research-Atmospheres107 (2002).
    1. Wood AW, Leung LR, Sridhar V, Lettenmaier DP. Hydrologic implications of dynamical and statistical approaches to downscaling climate model outputs. Climatic Change. 2004;62:189–216. doi: 10.1023/B:CLIM.0000013685.99609.9e. - DOI
    1. Thrasher B, Maurer EP, McKellar C, Duffy PB. Technical Note: Bias correcting climate model simulated daily temperature extremes with quantile mapping. Hydrology and Earth System Sciences. 2012;16:3309–3314. doi: 10.5194/hess-16-3309-2012. - DOI
    1. Hwang S, Graham WD. Assessment of Alternative Methods for Statistically Downscaling Daily GCM Precipitation Outputs to Simulate Regional Streamflow. J. of the American Water Resources Assn. 2014;50(4):1010–1032. doi: 10.1111/jawr.12154. - DOI