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淡水與微咸水入滲特性對(duì)比分析
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Contrast Analysis of Fresh Water and Saline Water
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    摘要:

    為了研究淡水與微咸水連續(xù)和間歇入滲特性的差異，采用礦化度1.33g/L的淡水與礦化度3g/L的微咸水,，在黏質(zhì)土壤條件下進(jìn)行了一維積水連續(xù)入滲及間歇入滲試驗(yàn),。研究結(jié)果表明,，采用微咸水入滲可以改變土壤的結(jié)構(gòu)特性,，從而增大土壤的入滲能力,；利用一維代數(shù)入滲模型對(duì)試驗(yàn)資料進(jìn)行處理,，結(jié)果表明模型可以比較精確地描述微咸水入滲過(guò)程,；入滲水為淡水時(shí),，間歇入滲減滲,，而入滲水為微咸水時(shí)，間歇入滲增滲,；間歇入滲的循環(huán)率不同,，其減滲效果及增滲效果都略有差異。

    Abstract:

    In order to research the difference between continuous infiltration and intermittent infiltration of fresh water and saline water, one-dimensional infiltration experiments of continuous and intermittent water with salinity of 1.33g/L for fresh water and 3g/L for saline were carried out in clay soil. The results showed that saline water can influence soil structural characteristics and enhance infiltration capacity. One dimensional infiltration modeling analysis showed that the model is able to describe the process of saline water infiltration exactly. Intermittent infiltration of fresh water had an effect of reducing infiltration, however, intermission infiltration of saline water had an effect of increasing infiltration. There existed slight difference in infiltration-reducing and infiltration-increasing effect for various circulation rate of intermission infiltration.

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畢遠(yuǎn)杰,王全九,雪靜.淡水與微咸水入滲特性對(duì)比分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(7):70-75. Contrast Analysis of Fresh Water and Saline Water[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(7):70-75.

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