《Table 2 Correlation coefficient, root mean square error (RMSE) , and mean of air temperature and wi

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《Numerical simulation of the climate effect of high-altitude lakes on the Tibetan Plateau》

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Note:The units of temperature and wind speed are°C and m/s，respectively.

Observed and simulated half-monthly average air temperature and wind speed are presented in Figure 3.Both Case 1 and Case 2 can adequately simulate the annual variation of air temperature.However，from November to the next April，the simulated temperature was relatively low at the Ngoring Lake and the Madoi Station；and the wind speed at the Madoi Station was clearly higher.The mean value，correlation coefficient，and root mean square error（RMSE）of the simulation and observation are listed in Table 2.The precipitation observation occurred only in summer and autumn at the Ngoring Lake，where the effective period for the precipitation observation was 158 days.During this period，the accumulative precipitations for the observation，Case 1，and Case 2 were 390.2，621.7，and 604.0 mm for the Ngoring Lake，respectively.The simulation values were clearly higher，and Case 2 was closer to the observation.At Madoi，the effective period of precipitation observation was 460days.The accumulative precipitations for the observation，Case 1，and Case 2 were 735.9，799.9，and 901.4 mm，respectively.Case 1 was closer to the observation（Figure 4）.