[1]黄诗明,毛端谦,贾玉连,等.鄱阳湖区沉积物粒度特征与洪涝灾害关系研究[J].江西师范大学学报(自然科学版),2017,(01):99-103.
 HUANG Shiming,MAO Duanqian,JIA Yulian,et al.The Study on the Relationship of Grain-Size Characteristics and Flood Disaster in Poyang Lake Region[J].,2017,(01):99-103.
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鄱阳湖区沉积物粒度特征与洪涝灾害关系研究()
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《江西师范大学学报》(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年01期
页码:
99-103
栏目:
出版日期:
2017-01-01

文章信息/Info

Title:
The Study on the Relationship of Grain-Size Characteristics and Flood Disaster in Poyang Lake Region
作者:
黄诗明毛端谦贾玉连刘春燕
江西师范大学地理与环境学院,江西 南昌 330022
Author(s):
HUANG ShimingMAO DuanqianJIA YulianLIU Chunyan
College of Geography and Environment,Jiangxi Normal University,Nanchang Jiangxi 330022,China
关键词:
沉积物粒度 历史资料 洪涝灾害 鄱阳湖
Keywords:
grain-size of lake sediment historic data flood disaster Poyang Lake
分类号:
P 584
文献标志码:
A
摘要:
根据在鄱阳湖大汊湖采集的200 cm土壤沉积物剖面样品(DCL剖面),基于14C 测年建立时间标尺和粒度组分等指标,并结合历史资料,对鄱阳湖区300年来的洪涝灾害进行了分析.结果表明,鄱阳湖区300年来洪涝灾害可分为3个阶段:1680—1749 aB.P.鄱阳湖区气候变化不明显,洪涝灾害少而稳定,大洪水年较少; 1750—1890 aB.P.鄱阳湖区气候变化较明显,洪涝灾害频繁; 1891 aB.P.至今鄱阳湖地区气候变化显著,洪涝灾害频繁,并且大洪涝年份多.鄱阳湖区300年来的干湿状况可划分为干燥—湿润—干燥.
Abstract:
The sediment granularity of Lake Dacha through collecting samples from Lake Dacha is analysed,and the document of flood disaster taking place in recent 300 years in Poyang Lake region is gathered,in which about 11 flood events including one happened in 1683 are found,through testing time sequence of section establishment by AMS-14C test.According to the result of granularity test,flood disasters happening in recent 300 years are analyzed combined with analysis result of historic data.The result shows that the flood disasters in Poyang Lake are divided into three stages.The first stage starts from 1680 to 1749.In this stage,there were not too many climate changes in Poyang Lake region,the flood disaster was few and stable.The second stage is from 1750 to 1890.In this stage,climate changed a lot in Poyang region.There were flood disasters happening frequently.However,compared to the first stage,situation was not that bad.The third stage is from 1891 to now.In this stage,climate in Poyang Lake region has had the biggest change.Flood disasters happened quite frequently.Based on analysis of granularity average and index of drought and flood,dry-wet condition in Poyang Lake over recent 300 years can be divided into three processes from dry to wet then to dry.

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备注/Memo

备注/Memo:
收稿日期:2016-10-15基金项目:国家自然科学基金(41262007)资助项目.通信作者:毛端谦(1963-),男,江西丰城人,教授,主要从事气象学与气候学教学与科研.E-mail:78748369@qq.com
更新日期/Last Update: 1900-01-01