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