A novel method for the remediation of salinized soils utilizes recretohalophytes, plants that secrete salts onto their leaf surfaces. Wind blows the excreted salts from the leaves, dispersing and diluting them over great distances. In this study, the first model was established to estimate the amount of salt that could be transferred from a given field site via haloconduction. Further, the model allows for the determination of the location and concentrations of deposited salts. Greenhouse and wind tunnel experiments were used to determine the excretion and salt emission rates of Spartina pectinata. Based on this data, a theoretical emission profile for S. pectinata at a salt-impacted field site in Bath, ON, was generated. AERMOD View modeling software was used to visualize the dispersal of the emitted salts. Finally, a field monitoring program was implemented to determine the actual chloride deposition rates and airborne concentrations using passive wet candles and a high-volume air sampler. Based on this model, approximately 180 kg/year of potassium chloride (KCl) salt could be displaced from the Bath site and deposited over an ∼70 km² region while maintaining deposition concentrations well below background levels.

中文翻译：

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散发从盐生盐类中的盐的扩散模型的开发

一种修复盐碱化土壤的新方法是利用盐生盐藻，即在叶片表面分泌盐分的植物。风将叶子上排出的盐吹散，将它们分散并稀释很远。在这项研究中，建立了第一个模型来估计可以通过卤光传导从给定的现场转移的盐量。此外，该模型允许确定沉积盐的位置和浓度。采用温室和风洞试验确定了Spartina pectinata的排泄量和盐分排放率。基于此数据，可得出果胶链球菌的理论排放曲线在安大略省巴斯市的一个受盐影响的野外现场产生了。使用AERMOD View建模软件来可视化所散发盐的扩散。最后，实施了现场监测程序，以使用被动湿蜡烛和大容量空气采样器确定实际的氯化物沉积速率和空气中的浓度。基于该模型，可以将约180千克/年的氯化钾（KCl）盐从巴斯场址移出并沉积在约70 km ^2的区域内，同时保持沉积物浓度远低于背景水平。