摘要
古洪水事件的识别是古洪水研究的关键手段,古洪水沉积物的野外特征、粒度组成特征及粒度参数、磁化率等,对于识别古洪水事件具有重要的参考价值;另外,古洪水还会造成文化遗存,在河道、文物或岩石上留下洪痕以及造成文化间断,这些都是重要的古洪水证据。该文介绍了古洪水事件的3种识别方法,分别为地貌学方法、沉积学方法和环境考古学方法,讨论了洪水和气候变化的具体机制,有助于深入理解气候变化和古洪水事件及其时间规律性的研究以及洪涝灾害对气候变化的响应规律。
The identification of paleoflood events is the key means of paleoflood research.The field characteristics, grain size composition characteristics,grain size parameters and magnetic susceptibility of paleoflood sediments have important reference value for identifying paleoflood events.Paleoflood also causes cultural relics,leaving flood marks on rivers,cultural relics or rocks and causing cultural discontinuity.These are important evidence of paleoflood.This paper mainly discusses three identification methods:geomorphology,sedimentology and environmental archaeology, which play an active role in determining paleoflood events.Finally,the specific mechanisms of flood and climate change are discussed,which will help us to understand climate change,paleoflood events and their temporal regulari. ty,as well as the response of flood disasters to climate change.
作者
刘增琦
Liu Zengqi(College of Geography and Environment,Shandong Normal University,Jinan 250358,China)
出处
《安徽农学通报》
2019年第12期70-72,共3页
Anhui Agricultural Science Bulletin
关键词
古洪水
沉积学
气候关系
Paleoflood
Sedimentology
Climate Relations
