中文摘要：

为分析干旱区高盐度潜水蒸发规律,于2012年4月1日~2014年3月31日在新疆昌吉地下水均衡试验站开展了不同总溶解固体（0.8 g/L、30 g/L和100 g/L）、不同包气带岩性（细砂和粉质黏土）和不同潜水埋深（0 m、0.5m、1.0 m、2.0 m和3.0 m）潜水蒸发量的监测工作。结果表明：当潜水埋深大于0.5 m时,包气带岩性对高总溶解固体（Total Dissolved Solids,TDS）潜水蒸发量的影响与淡水基本一致;潜水埋深0.5 m、TDS为30 g/L时,包气带岩性的差异对潜水蒸发量的影响远小于由于潜水的TDS和外界大气蒸发能力对潜水蒸发共同造成的影响;潜水位埋深为0 m、TDS为100 g/L、包气带为粉质黏土时,年内潜水蒸发趋势与大气蒸发能力EΦ20的趋势相反;潜水埋深0.5~1.0 m时,在非冻结期随着TDS的升高,潜水蒸发量逐渐减小;当潜水埋深为3.0 m时,TDS的变化对潜水蒸发抑制作用存在滞后性。

英文摘要：

In order to analyze the evaporation rules of high-salinity phreatic water in arid area,monitoring of phreatic water evaporation with different total dissolved solids（ TDS）（ 0. 8 g / L,30 g / L and 100 g / L）,lithological characteristics of unsaturated zones（ fine sand and silty clay） and depth of groundwater（ 0 m,0. 5 m,1. 0 m,2. 0 m and 3. 0m） were carried out at groundwater balance experiment station in Changji,Xinjiang from 1st April,2012 to 31 st March,2014. The results showed that the influence of lithological characteristics of unsaturated zones on the evaporation of phreatic water with high salinity was basically the same as in freshwater when the groundwater depth was larger than 0. 5 m. The influence of variation of lithological characteristics of unsaturated zone on phreatic water evaporation was far less than the common influence of TDS and atmosphere evaporation potential on phreatic water evaporation when the groundwater depth was 0. 5 m and TDS was 30 g / L. Annual phreatic water evaporation had an opposite trend as atmospheric evaporation capacity EΦ20with groundwater depth being 0 m,TDS being 100 g / L and lithological characteristics of unsaturated zones being silty clay. Phreatic water evaporation decreased gradually with the increase of TDS during non-freezing period with groundwater depth being 0. 5 to 1. 0 m. The inhibition effect of TDS variation on phreatic water evaporation lagged behind with the groundwater depth of 3. 0 m.