NEX-GDDP: NASA Earth Exchange Global Daily Downscaled Climate Projections

NASA/NEX-GDDP
Dataset Availability
1950-01-01T00:00:00 - 2099-12-31T00:00:00
Dataset Provider
Earth Engine Snippet
ee.ImageCollection("NASA/NEX-GDDP")
Tags
gddp precipitation temperature cmip5 climate geophysical nasa csu nex

Description

The NASA NEX-GDDP dataset is comprised of downscaled climate scenarios for the globe that are derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 5 (CMIP5, see Taylor et al. 2012) and across two of the four greenhouse gas emissions scenarios known as Representative Concentration Pathways (RCPs, see Meinshausen et al. 2011). The CMIP5 GCM runs were developed in support of the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR5).

This dataset was prepared by the Climate Analytics Group and NASA Ames Research Center using the NASA Earth Exchange, and distributed by the NASA Center for Climate Simulation (NCCS).

Bands

Resolution
0.25 arc degrees

Bands

Name Units Min Max Description
pr kg/(m^2*s) 0* 0.42*

Daily mean of precipitation at surface; includes both liquid and solid phases from all types of clouds (both large-scale and convective)

tasmin K 165.31* 318.89*

Daily mean of the daily-minimum near-surface air temperature

tasmax K 188.38* 335.13*

Daily mean of the daily-maximum near-surface air temperature

* estimated min or max value

Image Properties

Image Properties

Name Type Description
model STRING

Name of the CMIP5 model. It is one of 'ACCESS1-0', 'bcc-csm1-1', 'BNU-ESM', 'CanESM2', 'CCSM4', 'CESM1-BGC', 'CNRM-CM5', 'CSIRO-Mk3-6-0', 'GFDL-CM3', 'GFDL-ESM2G', 'GFDL-ESM2M', 'inmcm4', 'IPSL-CM5A-LR', 'IPSL-CM5A-MR', 'MIROC-ESM', 'MIROC-ESM-CHEM', 'MIROC5', 'MPI-ESM-LR', 'MPI-ESM-MR', 'MRI-CGCM3', 'NorESM1-M'.

scenario STRING

Name of the CMIP5 scenario. It is one of: 'historical', 'rcp45', 'rcp85', where 'historical' designates retrospective model runs (pre-2006).

year DOUBLE

Calendar year

month DOUBLE

Calendar month

day DOUBLE

Calendar day

Terms of Use

Terms of Use

This dataset is in the public domain and is available without restriction on use and distribution. See NASA's Earth Science Data & Information Policy for additional information.

Citations

Citations:
  • Thrasher, B., Maurer, E. P., McKellar, C., & Duffy, P. B., 2012: Technical Note: Bias correcting climate model simulated daily temperature extremes with quantile mapping. Hydrology and Earth System Sciences, 16(9), 3309-3314.

Explore in Earth Engine

var dataset = ee.ImageCollection('NASA/NEX-GDDP')
                  .filter(ee.Filter.date('2018-07-01', '2018-07-02'));
var minimumAirTemperature = dataset.select('tasmin');
var minimumAirTemperatureVis = {
  min: 240.0,
  max: 300.0,
  palette: ['blue', 'purple', 'cyan', 'green', 'yellow', 'red'],
};
Map.setCenter(71.72, 52.48, 0);
Map.addLayer(
    minimumAirTemperature, minimumAirTemperatureVis, 'Minimum Air Temperature');

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