堰塞湖沉积物粒度特征分析&mdash;&mdash;以岷江上游叠溪古堰塞湖为例

许会; 陈剑; 崔之久; 郭佩

doi:10.14027/j.issn.1000-0550.2018.104

ISSN 1000-0550 CN 62-1038/P

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堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例

许会, 陈剑, 崔之久, 郭佩

文章导航 > 沉积学报 > 2019 > 37(1): 51-61

许会, 陈剑, 崔之久, 郭佩. 堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例[J]. 沉积学报, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

引用本文:

许会, 陈剑, 崔之久, 郭佩. 堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例[J]. 沉积学报, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

XU Hui, CHEN Jian, CUI ZhiJiu, GUO Pei. Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River[J]. Acta Sedimentologica Sinica, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

Citation:

XU Hui, CHEN Jian, CUI ZhiJiu, GUO Pei. Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River[J]. Acta Sedimentologica Sinica, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

许会, 陈剑, 崔之久, 郭佩. 堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例[J]. 沉积学报, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

引用本文:

许会, 陈剑, 崔之久, 郭佩. 堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例[J]. 沉积学报, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

Citation:

堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例

doi: 10.14027/j.issn.1000-0550.2018.104

许会¹,
陈剑^1,,
崔之久²,
郭佩¹

1.
中国地质大学(北京)工程技术学院, 北京 100083;
2.
北京大学城市与环境学院, 北京 100871

基金项目: 国家自然科学基金项目（41230743，41571012）；中央高校基本科研业务费专项资金资助项目（2652015060）

详细信息

作者简介:
许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

通讯作者:
陈剑,男,副教授,E-mail:jianchen@cugb.edu.cn

中图分类号: P512.2

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文章访问数: 437
HTML全文浏览量: 16
PDF下载量: 550
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Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River

1.
School of Engineering and Technology, China University of Geosciences, Beijing 100083, China;
2.
School of Urban and Environmental Sciences, Peking University, Beijing 100871, China

Funds: National Natural Science Foundation of China, No. 41230743, 41571012; Program of Special Funds for Basic Research Funds in Central Universities, No. 2652015060

摘要

摘要: 对叠溪149个古堰塞湖沉积物样品作了物质组成分析、粒度参数计算和概率累积曲线的统计，结合有关资料对比分析了不同沉积环境中沉积物的粒度特征。结果显示湖相沉积上游段的沉积物主要是粉砂质砂和砂质粉砂，中游和下游段的沉积物较细，主要是黏土质粉砂和粉砂。受河流扰动的影响，湖相沉积上游段沉积物的粒径较粗，平均粒径在4~6 φ之间，多为负偏度，峰态宽平，分选性差；中游和下游段的平均粒径在6~8 φ之间，均为正偏度，峰态中等，沉积物的分选比上游段好。堰塞湖沉积物是由三个或四个粒度次总体组成，其中上游段沉积物含有4个次总体，中游和下游段含有3个次总体，受物源区的控制，上游段中推移总体的含量远大于中、下游段。这些特征均表明堰塞湖上游段沉积物的搬运方式和沉积环境与中、下游段明显不同。与其他环境中的沉积物相比，堰塞湖沉积物的截点偏细，跃移组分分选性最差。
- 叠溪 /
- 堰塞湖 /
- 粒度参数 /
- 概率累积曲线
Abstract: Material composition analysis, parameter calculation and statistics determined from log-probability curves were carried out on 149 samples collected from the Diexi ancient dammed lake upstream of the Minjiang River. Grain-size characteristics in different sedimentary environments were analyzed using related data, showing that upstream sediments in the lacustrine deposit are mainly composed of silty sand and sandy silt. However, midstream and downstream sediments are finer, consisting of clayey silt and silt. Because of disturbance by the river, upstream lacustrine sediments are coarser, with mean particle size between 4 to 6 φ, with negative skewness, wide, flat kurtosis and poor sorting. Midstream and downstream sediments are relatively fine (average particle size 6-8 φ), with positive skewness, medium kurtosis and better sorting. The sediments in the dammed lake are made up of three or four separate log-normal populations, depending on their location. Sediments in the upstream deposit consist of four log-normal populations; midstream and downstream sediments comprise three log-normal populations. The amount of surface creep population is largely provenance-controlled, with a larger percentage of this population upstream than midstream or downstream, indicating obviously different transport mode and sedimentary environments. Notable features of these sediments compared to other sedimentary environments are the poorly sorted saltation population and a truncation point toward finer sizes.
- Diexi /
- dammed lake /
- grain size parameters /
- log-probability curve

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[1]	张涛, 牛丽霞, 何方婷, 刘锋, 罗向欣, 杨清书. 人类活动影响下伶仃洋沉积格局演变特征 . 沉积学报, 2022, 40(3): 753-764. doi: 10.14027/j.issn.1000-0550.2021.007
[2]	李富强, 高红山, 张连科, 李宗盟, 庞红丽, 潘保田. 基于粒度参数特征对黄河后套平原段岩芯沉积环境的分析 . 沉积学报, 2019, 37(6): 1234-1243. doi: 10.14027/j.issn.1000-0550.2019.004
[3]	马俊学, 陈剑, 崔之久. 岷江上游叠溪混杂堆积体的沉积特征及其成因分析 . 沉积学报, 2019, 37(1): 72-85. doi: 10.14027/j.issn.1000-0550.2018.098
[4]	周乐, 陈沈良, 陈晴, 钟小菁, 郑蔚恒, 刘小喜. 海南四更沙海域沉积物分布及其受控机制 . 沉积学报, 2016, 34(3): 506-515. doi: 10.14027/j.cnki.cjxb.2016.03.008
[5]	罗章, 蔡斌, 陈沈良. 动态图像法应用于海滩沉积物粒度粒形测试及其与筛析法的比较 . 沉积学报, 2016, 34(5): 881-891. doi: 10.14027/j.cnki.cjxb.2016.05.007
[6]	陈剑, 崔之久. 金沙江上游雪隆囊古滑坡堰塞湖溃坝堆积体的发现及其环境与灾害意义 . 沉积学报, 2015, 33(2): 275-284. doi: 10.14027/j.cnki.cjxb.2015.02.007
[7]	. 基于磁学和粒度参数的黄河三角洲刁口叶瓣地区全新世以来的地层演化 . 沉积学报, 2014, 32(3): 518-526.
[8]	. 辽东湾西岸典型岬湾海滩表层沉积物粒度分布特征及水动力条件浅析 . 沉积学报, 2014, 32(4): 700-709.
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堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例

doi: 10.14027/j.issn.1000-0550.2018.104

1. 中国地质大学(北京)工程技术学院, 北京 100083;

2. 北京大学城市与环境学院, 北京 100871

基金项目: 国家自然科学基金项目（41230743，41571012）；中央高校基本科研业务费专项资金资助项目（2652015060）

作者简介:
许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

通讯作者: 陈剑,男,副教授,E-mail:jianchen@cugb.edu.cn

收稿日期: 2017-11-14
修回日期: 2018-02-05
刊出日期: 2019-02-10

中图分类号: P512.2

关键词:

叠溪 /

堰塞湖 /

粒度参数 /

概率累积曲线

摘要: 对叠溪149个古堰塞湖沉积物样品作了物质组成分析、粒度参数计算和概率累积曲线的统计，结合有关资料对比分析了不同沉积环境中沉积物的粒度特征。结果显示湖相沉积上游段的沉积物主要是粉砂质砂和砂质粉砂，中游和下游段的沉积物较细，主要是黏土质粉砂和粉砂。受河流扰动的影响，湖相沉积上游段沉积物的粒径较粗，平均粒径在4~6 φ之间，多为负偏度，峰态宽平，分选性差；中游和下游段的平均粒径在6~8 φ之间，均为正偏度，峰态中等，沉积物的分选比上游段好。堰塞湖沉积物是由三个或四个粒度次总体组成，其中上游段沉积物含有4个次总体，中游和下游段含有3个次总体，受物源区的控制，上游段中推移总体的含量远大于中、下游段。这些特征均表明堰塞湖上游段沉积物的搬运方式和沉积环境与中、下游段明显不同。与其他环境中的沉积物相比，堰塞湖沉积物的截点偏细，跃移组分分选性最差。

English Abstract

Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River

1. School of Engineering and Technology, China University of Geosciences, Beijing 100083, China;

2. School of Urban and Environmental Sciences, Peking University, Beijing 100871, China

Funds: National Natural Science Foundation of China, No. 41230743, 41571012; Program of Special Funds for Basic Research Funds in Central Universities, No. 2652015060

Received Date: 2017-11-14
Rev Recd Date: 2018-02-05
Publish Date: 2019-02-10

Keywords:

Abstract: Material composition analysis, parameter calculation and statistics determined from log-probability curves were carried out on 149 samples collected from the Diexi ancient dammed lake upstream of the Minjiang River. Grain-size characteristics in different sedimentary environments were analyzed using related data, showing that upstream sediments in the lacustrine deposit are mainly composed of silty sand and sandy silt. However, midstream and downstream sediments are finer, consisting of clayey silt and silt. Because of disturbance by the river, upstream lacustrine sediments are coarser, with mean particle size between 4 to 6 φ, with negative skewness, wide, flat kurtosis and poor sorting. Midstream and downstream sediments are relatively fine (average particle size 6-8 φ), with positive skewness, medium kurtosis and better sorting. The sediments in the dammed lake are made up of three or four separate log-normal populations, depending on their location. Sediments in the upstream deposit consist of four log-normal populations; midstream and downstream sediments comprise three log-normal populations. The amount of surface creep population is largely provenance-controlled, with a larger percentage of this population upstream than midstream or downstream, indicating obviously different transport mode and sedimentary environments. Notable features of these sediments compared to other sedimentary environments are the poorly sorted saltation population and a truncation point toward finer sizes.

许会, 陈剑, 崔之久, 郭佩. 堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例[J]. 沉积学报, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

引用本文:

许会, 陈剑, 崔之久, 郭佩. 堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例[J]. 沉积学报, 2019, 37(1): 51-61. doi: 10.14027/j.issn.1000-0550.2018.104

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堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例

doi: 10.14027/j.issn.1000-0550.2018.104

作者简介:
许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

通讯作者:
陈剑,男,副教授,E-mail:jianchen@cugb.edu.cn

计量

Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River

计量

目录

堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例

doi: 10.14027/j.issn.1000-0550.2018.104

1. 中国地质大学(北京)工程技术学院, 北京 100083;

2. 北京大学城市与环境学院, 北京 100871

作者简介:
许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

通讯作者: 陈剑,男,副教授,E-mail:jianchen@cugb.edu.cn

English Abstract

Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River

1. School of Engineering and Technology, China University of Geosciences, Beijing 100083, China;

2. School of Urban and Environmental Sciences, Peking University, Beijing 100871, China

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堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例

doi: 10.14027/j.issn.1000-0550.2018.104

作者简介: 许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

通讯作者: 陈剑,男,副教授,E-mail:jianchen@cugb.edu.cn

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Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River

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出版历程

目录

堰塞湖沉积物粒度特征分析——以岷江上游叠溪古堰塞湖为例

doi: 10.14027/j.issn.1000-0550.2018.104

1. 中国地质大学(北京)工程技术学院, 北京 100083; 2. 北京大学城市与环境学院, 北京 100871

作者简介: 许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

通讯作者: 陈剑,男,副教授,E-mail:jianchen@cugb.edu.cn

English Abstract

Grain Size Characteristics of Sediments in a Dammed Lake: A case study of the Diexi Ancient Dammed Lake upstream of the Minjiang River

1. School of Engineering and Technology, China University of Geosciences, Beijing 100083, China; 2. School of Urban and Environmental Sciences, Peking University, Beijing 100871, China

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

通讯作者:
陈剑,男,副教授,E-mail:jianchen@cugb.edu.cn

1. 中国地质大学(北京)工程技术学院, 北京 100083;

2. 北京大学城市与环境学院, 北京 100871

作者简介:
许会,女,1994年出生,硕士研究生,地质灾害与工程,E-mail:huixuno1@163.com

1. School of Engineering and Technology, China University of Geosciences, Beijing 100083, China;

2. School of Urban and Environmental Sciences, Peking University, Beijing 100871, China