摘要
潮滩底栖动物通过摄食与掘穴等生命活动能够显著影响泥沙运动过程,是潮滩泥沙运动力学的研究热点之一。分析了潮滩底栖动物的种群空间分布及其作用下的滩面特征,从改变土体性质和水流结构两方面剖析了底栖动物对泥沙运动的影响机制,归纳总结了现场原位观测、室内物理模型试验和数值模拟等研究手段和方法。后续研究可加强潮滩原位泥沙起动测量技术及室内扰动研究装置的改进,结合底栖动物扰动结构形态及种群分布特征,深入研究底栖动物对泥沙起动的影响机制。
Sediment transport processes can be influenced significantly by activities of zoobenthos, such as feeding and burrowing. It is a hotspot in the study of sediment movement mechanics in tidal flat. The spatial distribution of zoobenthos and characteristics of tidal flat surface under its action were analyzed. The influence mechanism of zoobenthos on sediment movement was analyzed in terms of changing soil properties and flow structure. The common research methods were summarized, such as in-situ observation, laboratory physical model test and numerical simulation. The in-situ sediment initiation measurement technology and indoor disturbance research equipment should be improved in the further exploration. Considering the disturbance structure morphology and distribution characteristics of zoobenthos, the study of effect mechanism of zoobenthos disturbance on sediment initiation should be promoted.
作者
魏佳欣
龚政
葛冉
李笑语
WEI Jia-xin;GONG Zheng;GE Ran;LI Xiao-yu(Jiangsu Key Laboratory of Coast Ocean Resources Development and Environment Security,Hohai University,Nanjing 210098,China;College of Harbour,Coastal and Offshore Engineering,Hohai University,Nanjing210098,China)
出处
《泥沙研究》
CAS
CSCD
北大核心
2023年第1期73-80,共8页
Journal of Sediment Research
基金
国家自然科学基金项目(51925905
51879095)。
关键词
潮滩
底栖动物
泥沙运动
地貌演变
tidal flat
zoobenthos
sediment transport
morphodynamics
