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风对北大港水库水质咸化影响的理论分析与实验研究
Theoretical analysis and experiment on water salinization influenced by wind in Beidagang reservior
【摘要】 从理论上分析了风加快北大港水库水体水质咸化速度的原因,一是由于风对水体的扰动作用,加快了盐份从底部土壤向整个水体的扩散速度,二是风可加快水体的蒸发速度,加速了水体的蒸发浓缩作用,并通过有风、无风的对比实验定性地证明了此结论。
【Abstract】 The mechanism that wind can accelerate water salinization in Beidagang reservior is analyzed theoretically. On one hand, wind can agitate water body and accelerate the diffusion rate of salt from saline soil to water. On the other hand, wind can enhance the evaporation and accelerate water salinization. This conclusion is testified by two contrastive experiment with wind or without wind.
【关键词】 风;
水质咸化;
传质理论;
蒸发浓缩;
【Key words】 wind; water salinization; mass transfer theory; evaporation concentrating;
【Key words】 wind; water salinization; mass transfer theory; evaporation concentrating;
【基金】 天津市科学技术委员会社会发展基金项目(编号33112211);教育部南开大学—天津大学两校共建项目资助。
- 【文献出处】 水资源与水工程学报 , 编辑部邮箱 ,2005年03期
- 【分类号】X524
- 【被引频次】14
- 【下载频次】173