Research Article

Impacts of Climatic Change on Reference Crop Evapotranspiration across Different Climatic Zones of Ningxia at Multi-Time Scales from 1957 to 2018

Figure 3

Annual variations in spatially averaged values of climate data (average temperature (Tmean), maximum temperature (Tmax), minimum temperature (Tmin), relative humidity (RH), sunshine duration (SD), and wind speed (U2) from 1957 to 2018 in different climate zones): (a) Ningxia (NX); (b) Northern Yellow River irrigation area (NYR); (c) Central Arid Zone (CAZ); (d) Southern Mountain Area (SMA).
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