Reference Evapotranspiration Changes: Sensitivities to and Contributions of Meteorological Factors in the Heihe River Basin of Northwestern China (1961–2014)

<div>Calibration of the Ångström coefficients for the three radiation stations: (a) Gangcha station in the upper region, (b) Jiuquan station in the middle region, and (c) Ejina station in the lower region.</div>

Advances in Meteorology

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Figure 2

Figure 2: Reference Evapotranspiration Changes: Sensitivities to and Contributions of Meteorological Factors in the Heihe River Basin of Northwestern China (1961–2014) 

Figure 2 | Reference Evapotranspiration Changes: Sensitivities to and Contributions of Meteorological Factors in the Heihe River Basin of Northwestern China (1961–2014) 