现代黄河三角洲沉积物粒度特征及其来源

doi:10.13278/j.cnki.jjuese.20230020

吉林大学学报(地球科学版) ›› 2024, Vol. 54 ›› Issue (4): 1350-1361.doi: 10.13278/j.cnki.jjuese.20230020

现代黄河三角洲沉积物粒度特征及其来源

于霁怀1，介冬梅1,2,3,4,5，李平6,7

1.东北师范大学地理科学学院，长春 130024
2.东北师范大学泥炭沼泽研究所，长春 130024
3.环境保护湿地生态与植被恢复重点实验室，长春 130024
4.长白山地理过程与生态安全教育部重点实验室（东北师范大学），长春 130024
5.草地研究所植被生态科学教育部重点实验室（东北师范大学），长春 130024
6.自然资源部第一海洋研究所，山东青岛 266061
7.自然资源部海岸带科学与综合管理重点实验室，山东青岛 266061

收稿日期:2023-02-09 出版日期:2024-07-26 发布日期:2024-07-26
通讯作者: 介冬梅（1969-），女，教授，博士生导师，主要从事第四纪环境演化方面的研究，E-mail：jiedongmei@nenu.edu.cn
作者简介:于霁怀（1999-），女，硕士研究生，主要从事第四纪环境演化方面的研究，E-mail：yujh440@nenu.edu.cn
基金资助:
国家自然科学基金项目（42271162，41971100）；山东省自然科学基金项目（ZR2020MD063）；国家自然科学基金-山东省联合基金重点支持项目（U1706214）

Grain Size Characteristic and Source of Sediments in Modern Yellow River Delta

Yu Jihuai 1, Jie Dongmei 1, 2, 3, 4, 5, Li Ping 6, 7

1. School of Geographical Sciences, Northeast Normal University, Changchun 130024, China
2. Institute for Peat and Mire Research, Northeast Normal University, Changchun 130024, China
3. State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Changchun 130024, China
4. Key Laboratory of Geographical Processes and Ecological Security of Changbai Mountains (Northeast Normal University),
Ministry of Education, Changchun 130024, China
5. Key Laboratory of Vegetation Ecology, Institute of Grassland (Northeast Normal University), Ministry of Education,
Changchun 130024, China
6. First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, Shandong，China
7. Key Laboratory of Coastal Zone Science and Integrated Management, Ministry of Natural Resources, Qingdao 266061,
Shandong，China

Received:2023-02-09 Online:2024-07-26 Published:2024-07-26
Supported by:
the National Natural Science Foundation of China (42271162,41971100)，the Natural Science Foundation of Shandong Province (ZR2020MD063) and the Joint Fund Key Support Project of NSFC-Shandong Province (U1706214)

摘要/Abstract

摘要： 现代黄河三角洲位于海陆交互地带，为我国重要的生态保护区，同时也是石油开采地。受河流、潮流、人类活动影响，现代黄河三角洲沉积物粒度组成复杂，物质来源多样。本文共采集了黄河三角洲表层沉积物样品219个，首先采用粒度分析方法分析了现代黄河三角洲沉积物的粒度特征以及沉积物来源，然后采用参数端元模型分析方法对沉积物的物质来源进行了划分，最后采用聚类分析方法分析了表层沉积物类型。结果表明：现代黄河三角洲沉积物粒度组成以粉砂（体积分数71.10%）和砂（27.62%）为主，大部分沉积物粒度分选中等，粒度分布曲线呈近对称分布。沉积物划分为EM1、EM2、EM3三个沉积端元，分别代表三种不同物质来源，其中EM1代表旧河流沉积作用，EM2代表海洋潮流沉积作用，EM3代表现黄河河流沉积作用。将表层沉积物分成三种沉积物类型，结合聚类分析结果将黄河三角洲分为三类沉积环境，其中：第一类主要分布在黄河三角洲等西部河流的中上游，包括马新河、沾利河、草桥沟、挑河，主要为旧河流沉积，水动力较弱；第二类主要分布在刁口河、神仙沟、现黄河（清水沟）等东部河流，现黄河河流沉积作用较强；第三类主要分布在黄河三角洲北部沿岸及潮滩，受海洋潮流作用较强，海岸受到侵蚀。此外，人类活动对黄河三角洲岸线变化也产生了一定影响。

关键词: 黄河三角洲, 表层沉积物, 粒度, 端元, 物源分析

Abstract: There are some important ecological reserves and oil exploitations in modern Yellow River delta, which located at the junction of sea and land. Influenced by rivers, currents and human activities, the modern Yellow River delta has a complex composition of sediment grain size and sources. A total of 219 sediment samples from the Yellow River delta were collected in this paper. Firstly, the grain size distribution and material source of the modern Yellow River delta sediment were analyzed by particle size analysis method. Then the parametric endmember model analysis method was used to divide the material sources of sediments. Finally, the cluster analysis method was used to analyze the surface sediment types. The results show that the grain size composition of delta sediments is mainly silt (71.10%) and sand (27.62%), most of the sediments are of medium grain size sorted and the curve of the grain size distribution is nearly symmetrical. The delta sediments can be divided into three types of end-mumber such as EM1, EM2 and EM3, which represent three different material sources. Among them, EM1 is from fluvial sediments, EM2 is from tidal current sediments and EM3 is from the current Yellow River fluvial sediments. According to the results of cluster analysis, the Yellow River delta is divided into three types of sedimentary environments. The first type is mainly distributed in the middle and upper reaches of western part of the Yellow River delta rivers, including Maxin River, Zhanli River, Caoqiaogou River and Tiaohe River, which is mainly deposited by old river with weak hydrodynamic force. The second type is mainly distributed in the eastern part of rivers such as Diaokou River, Shenxiangou and the current Yellow River (Qingshuigou), and the current Yellow River has strong sedimentary dynamics. The third type is mainly distributed along the northern coast and tidal flat of the Yellow River delta, which is strongly affected by the marine tidal and the coastline is eroded. In addition, human activities also had a certain impact on the changes of the coastline in the Yellow River delta.

Key words: Yellow River delta, surface sediments, grain size, end mumber, source analysis

中图分类号:

P736.21

于霁怀, 介冬梅, 李平. 现代黄河三角洲沉积物粒度特征及其来源[J]. 吉林大学学报(地球科学版), 2024, 54(4): 1350-1361.

Yu Jihuai, Jie Dongmei, Li Ping. Grain Size Characteristic and Source of Sediments in Modern Yellow River Delta[J]. Journal of Jilin University(Earth Science Edition), 2024, 54(4): 1350-1361.

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现代黄河三角洲沉积物粒度特征及其来源

Grain Size Characteristic and Source of Sediments in Modern Yellow River Delta

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