Table 1. Open in new tab Attribution...

Table 1.

Attribution analysis of the changes in the annual E_PenPan (mm·a⁻²) in the study area from 1979 to 2008

$R_{n}^{*}$	$T_{a}^{*}$	$u_{2}^{*}$	VPD*	$\frac{d E_{P a n_P D}}{d t}$	$\frac{d E_{P a n}}{d t}$
−3.183	0.149	0.367	−3.899	−6.565	−6.771

Note: R_n, T_a, u₂ and VPD in the table represent the net radiation, atmospheric temperature, wind speed and vapor pressure deficit, respectively. The value corresponding to each meteorological factor is the result of PD attribution analysis, which represents the contribution of each meteorological factor to pan evaporation. dE_{Pan_PD}/dt is the trend change of pan evaporation based on the PD attribution method, and dE_Pan/dt is the trend change of simulated pan evaporation.

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