Research Article

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

Figure 9

Mean daily sensitivity coefficients for maximum temperature (a), minimum temperature (b), wind speed (c), relative humidity (d), and shortwave radiation (e) in the upper (U), middle (M), and lower (L) regions of the HRB. (f) Comparison of the mean daily sensitivity coefficients for major meteorological factors in the whole basin.
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