Table 1. Descriptions of the climate scenarios in the study.
Climate scenarios | Descriptions | |||||
---|---|---|---|---|---|---|
CO2 (ppm) | Temperature (°C) | Changes in seasonal precipitation amount | Precipitation frequency scenarios† | |||
Spring | Summer | Winter | ||||
Historical (baseline) | 375 | N/A+ | N/A | N/A | N/A | N/A |
Historical climate with early drought | 375 | N/A | N/A | N/A | N/A | Early growth stage |
Historical climate with late drought | 375 | N/A | N/A | N/A | N/A | Late growth stage |
RCP4.5 | 525 | +3 | 10% more | 10% less | 10% more | N/A |
RCP4.5 climate with early drought | 525 | +3 | 10% more | 10% less | 10% more | Early growth stage |
RCP4.5 climate with late drought | 525 | +3 | 10% more | 10% less | 10% more | Late growth stage |
RCP6 | 625 | +4 | 15% more | 15% less | 15% more | N/A |
RCP6 climate with early drought | 625 | +4 | 15% more | 15% less | 15% more | Early growth stage |
RCP6 climate with late drought | 625 | +4 | 15% more | 15% less | 15% more | Late growth stage |
†Precipitation distribution was manipulated during wheat and maize early (vegetative stage before the reproductive stage) or late (beginning of the reproductive stage) development stages
+N/A means that the climatic variable was not changed compared to the historical climate