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图4 2022年4—10月上旬山西省典型气象站点前10 d平均CWSI、当天CWSI和实测土壤湿度的相关性分析

Fig.4 Correlation analysis of average CWSI in the first 10 days， CWSI on the same day and observed relative humidity at typical meteorological stations in Shanxi Province from April to early October in 2022