Projected annual rate of change of the crop water deficit of grain maize during the growing season in Europe for the period 2015-2045 for two climate scenarios.
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European data
Metadata
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Temporal coverage:
- 1985-2045
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Tags:
- crop water requirement , grain maize , crop water deficit
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Geographic coverage:
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Methodology:
The crop water deficit was calculated as the difference between total crop water requirement (in this case for grain maize) and the total rainfall during the growing season. The growing season has been defined as the period between grain maize emergence and physiological maturity, as simulated by the WOFOST crop model. The climate data, used to force the WOFOST crop model, have been obtained from the two Global Climate Model simulations HadGEM2-ES (Jones et al., 2011) and MIROC-ESM-CHEM (Watanabe et al., 2011), using the high-end emission scenario RCP8.5 (Moss et al., 2010). GCM simulations have been bias-corrected in the ISI-MIP project (Warszawski et al., 2014). The scenario period considered is 2015-2045, for which the values of the linear regression have been estimated for each grid point.
References: Jones, C. D., et al., 2011. The HadGEM2-ES implementation of CMIP5 centennial simulations, Geosci. Model Dev., 4, 543–570, doi:10.5194/gmd-4-543-2011
Moss RH et al. 2010. The next generation of scenarios for climate change research and assessment. Nature 463:747-756
Warszawski, L., Frieler, K., Huber, V., Piontek, F., Serdeczny, O., Schewe, J., 2014. The Inter-sectoral Impact Model Inercomparison Project (ISI-MIP): project framework. PNAS, 111, 3228-3232
Watanabe S et al., 2011. MIROC-ESM: model description and basic results of CMIP5-20c3m experiments. Geosci Model Dev Discuss 4:1063–1128. doi:10.5194/gmdd-4-1063-2011-
Units:
m3 / ha / year
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Rights:
- EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: Joint Research Centre (JRC).
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Owners:
- Joint Research Centre (JRC)
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Processors:
- European Environment Agency (EEA)
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Figure type:
- Map
Additional information
The resulting simulations are provided in geotiff file (trend values) and shapefile. The shapefile contains the information on the regions where the crop water requirement during the reference period (1985-2014) frequently (i.e. in more than 90 % of years) exceeds the total growing season rainfall cumulates. The scientific publication presenting these results is in preparation.
Temporal coverage:
* 1985-2014 (for areas where currently the crop water demand frequently exceeds the rainfall cumulates, i.e. the hatches).
* 2015-2045 (the scenario period considered for estimation of future trends in crop water deficit).
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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/projected-annual-rate-of-change or scan the QR code.
PDF generated on 04 Jun 2020, 05:30 PM
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