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通过对景电灌区衬膜沙地与不衬膜沙地土壤温度的变化规律及二者温度差异的观测分析表明：沙地衬膜后生长期土壤温度的月平均值、日平均值及各层次平均值均比不村膜沙地有所下降。在观测期内（5月27日～6月30日），衬膜地日平均土温比对照地降低7.4℃，在地表层及地下5cm、10cm、15cm、20cm和25cm深处，衬膜地比对照地土温平均下降8．2℃、6．9℃、6．0℃。60℃、5．6℃和5．4℃，但衬膜地土壤温度变化趋于缓和，在生长期（6月份），衬膜沙地日温差、月温差及上下层之间的温差比对照地分别减小49℃、5．0℃和28℃。
Through the analysis of the variation of soil temperature and the difference of temperature between the lining film and non-lining sandy soil in Jingdian Irrigation Area, the monthly average, daily average and the average The value of non-film than the sand has declined. During the observation period (May 27th to June 30th), the daily average soil temperature of the lining film decreased by 7.4 ℃ compared with that of the control, and the depths of the lining and the ground were 5cm, 10cm, 15cm, 20cm and 25cm Compared with the control soil temperature decreased by an average of 8.2 ℃, 6.9 ℃, 6.0 ℃. 60 ℃, 5.6 ℃ and 5.4 ℃. However, the change of soil temperature in the paddy soil tended to be eased. During the growing season (June), the temperature difference between the paddy sand and the monthly temperature difference and the temperature difference between the upper and lower layers were higher than those of the control Reduce 49 ℃, 5.0 ℃ and 28 ℃ respectively.