高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

于革

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高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

于革

文章导航 > 沉积学报 > 2011 > 29(1): 118-124

于革. 高分辨湖泊沉积和孢粉记录对气候、水文变化的响应[J]. 沉积学报, 2011, 29(1): 118-124.

引用本文:

于革. 高分辨湖泊沉积和孢粉记录对气候、水文变化的响应[J]. 沉积学报, 2011, 29(1): 118-124.

YU Ge. Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology[J]. Acta Sedimentologica Sinica, 2011, 29(1): 118-124.

Citation:

YU Ge. Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology[J]. Acta Sedimentologica Sinica, 2011, 29(1): 118-124.

于革. 高分辨湖泊沉积和孢粉记录对气候、水文变化的响应[J]. 沉积学报, 2011, 29(1): 118-124.

引用本文:

于革. 高分辨湖泊沉积和孢粉记录对气候、水文变化的响应[J]. 沉积学报, 2011, 29(1): 118-124.

YU Ge. Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology[J]. Acta Sedimentologica Sinica, 2011, 29(1): 118-124.

Citation:

YU Ge. Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology[J]. Acta Sedimentologica Sinica, 2011, 29(1): 118-124.

高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

于革

中国科学院南京地理与湖泊研究所南京 210008

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于革

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Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology

YU Ge

Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008

More Information

Corresponding author: YU Ge

摘要

摘要: 通过对长江中游网湖钻孔高精度分层样品（1.5年/样品）的沉积学和孢粉学研究，试图揭示过去百年网湖在由开放到封闭体系变化中，沉积孢粉与气候、水文动力变化的过程及其相互关系。相关分析和低频滤波分析，反映出沉积物和孢粉的变化对流域降水和长江流量的敏感响应。在过去130年中的多雨洪水年份，湖泊受长江倒灌影响，沉积物以黏土细颗粒为主，并接受长江上中游孢粉的沉积；而在少雨枯水年份中，以源于流域的粉砂粗颗粒沉积为主，湖泊水域和周边湿地的水生孢粉大量沉积。时间序列的频谱分析显示了沉积物中值粒径、乔灌木和水生花粉、降水和流量都具有3~4年和9~11年周期变化。网湖的沉积孢粉与水动力关系为利用湖泊孢粉沉积记录重建过去湖泊环境、认识湖泊水系通江与封闭的水动力变化提供科学依据。

- 沉积孢粉 /
- 通江湖泊 /
- 降水变化 /
- 长江历史洪水 /
- 百年过程 /
- 气候响应
Abstract: This paper studied highresolution sedimentary pollen sequence (1.5 yr/e) of Wanghu Lake, in the middle reach of Yangtze River, and analyzed the relationships of changes in pollen types and contents, sediment granularity, and climatehydrology features during the past hundred years when the lake turned from an open water system into closed basin. Correlation analysis for time series of pollen, granularity, catchment precipitation and river discharge, showed that significant linear relationships with 95% confidence level. Major pollen types showed a 27%40% synchronous changes with time series of granularity and precipitation during the past 130 years, and a 47%57% synchronous changes with time series of granularity and river discharge before the mid1960's when the lake naturally connected with Yangtze River, suggesting pollen deposition controlled by sediments and catchment precipitation. The author found synchronous changes among sedimentary granularity and pollen with precipitation and river discharge which all experienced 34 years and 911 years cycles in the time series, suggesting sedimentation responding to climate changes. This study may provide scientific basis to reconstruct past environmental changes using sediment and pollen records, and to understand biosedimentology dynamics in the lake sediments. 
- sedimentary pollen /
- riverlinked lake /
- precipitation changes /
- historical floods of Yangtze River /
- hundredyear processes /
- response to climate

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[1]	柳静, 张伟宏, 徐昊, 邵庆丰, 卢海欣, 李茂霞, 陈剑舜. 近千年气候环境快速变化的长江中游石笋δ¹³C记录 . 沉积学报, 2024, 42(3): 956-969. doi: 10.14027/j.issn.1000-0550.2023.028
[2]	白亚之, 乔淑卿, 吴斌, 胡利民, 王楠, 范德江, 杨刚, 石学法. 泰国湾百年来有机碳埋藏记录及环境响应 . 沉积学报, 2022, 40(2): 484-493. doi: 10.14027/j.issn.1000-0550.2021.033
[3]	周汪洋, 段福才, 陈剑舜, 朱丽东, 李凤全, 王天阳. H1事件时长江下游地区季风降水变化特征的石笋铀元素记录 . 沉积学报, 2021, 39(4): 932-941. doi: 10.14027/j.issn.1000-0550.2020.027
[4]	龚承林, 齐昆, 徐杰, 刘喜停, 王英民. 深水源—汇系统对多尺度气候变化的过程响应与反馈机制 . 沉积学报, 2021, 39(1): 231-252. doi: 10.14027/j.issn.1000-0550.2020.035
[5]	李肖杨, 梁浩, 张珂, 李忠云, 公王斌, 傅建利. 侯马—运城盆地沉积特征及其对构造运动、气候变化及河流演化的响应 . 沉积学报, 2020, 38(2): 306-318. doi: 10.14027/j.issn.1000-0550.2019.040
[6]	麻福伟, 李茂田, 刘演, 赵小双, 陈中原, SalemAlaa, ShamaA.MAbu, ElhossainyMohamed M.. 埃及Burullus潟湖沉积生源要素变化：百年来人类活动影响 . 沉积学报, 2020, 38(6): 1249-1257. doi: 10.14027/j.issn.1000-0550.2019.106
[7]	段知非, 李超, 毕磊, 何中发, 李芳亮, 杨守业. 崇明岛H12孔百年来长江入海沉积物来源变化及原因 . 沉积学报, 2020, 38(6): 1204-1214. doi: 10.14027/j.issn.1000-0550.2020.002
[8]	伏美燕, 李娜, 黄茜, 刘磊. 滨岸-浅海混合沉积对海平面与气候变化的响应——以塔里木盆地巴麦地区石炭系为例 . 沉积学报, 2017, 35(6): 1110-1120. doi: 10.14027/j.cnki.cjxb.2017.06.003
[9]	马丽芳, 鲍晶, 应红, 胡春华, 钟思锐, 杨淑芬, 宋春晖, 孟庆泉. 祁连山北缘酒西盆地新生代沉积通量变化对周缘山体构造隆升—风化剥蚀历史的响应 . 沉积学报, 2016, 34(1): 49-57. doi: 10.14027/j.cnki.cjxb.2016.01.004
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[12]	. 长江口水下三角洲北部近百年沉积物粒度组成及其对水动力环境的响应 . 沉积学报, 2014, 32(4): 692-699.
[13]	. 长江口泥质区沉积物颜色反射率指示的近百年来东亚季风变迁 . 沉积学报, 2013, 31(2): 331-339.
[14]	. 广西海岸带近百年来人类活动影响下环境演变的沉积记录 . 沉积学报, 2012, 30(2): 325-332.
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[19]	江德昕, 杨惠秋. 青海达布逊湖50万年以来气候变化的孢粉学证据 . 沉积学报, 2001, 19(1): 101-106.
[20]	吉利明. 甘肃民和盆地早白垩世孢粉植物群的古气候环境和地理分区位置 . 沉积学报, 1994, 12(2): 133-142.

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高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

于革

中国科学院南京地理与湖泊研究所南京 210008

通讯作者: 于革

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2011-02-10

关键词:

摘要: 通过对长江中游网湖钻孔高精度分层样品（1.5年/样品）的沉积学和孢粉学研究，试图揭示过去百年网湖在由开放到封闭体系变化中，沉积孢粉与气候、水文动力变化的过程及其相互关系。相关分析和低频滤波分析，反映出沉积物和孢粉的变化对流域降水和长江流量的敏感响应。在过去130年中的多雨洪水年份，湖泊受长江倒灌影响，沉积物以黏土细颗粒为主，并接受长江上中游孢粉的沉积；而在少雨枯水年份中，以源于流域的粉砂粗颗粒沉积为主，湖泊水域和周边湿地的水生孢粉大量沉积。时间序列的频谱分析显示了沉积物中值粒径、乔灌木和水生花粉、降水和流量都具有3~4年和9~11年周期变化。网湖的沉积孢粉与水动力关系为利用湖泊孢粉沉积记录重建过去湖泊环境、认识湖泊水系通江与封闭的水动力变化提供科学依据。


English Abstract

Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology

YU Ge

Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008

Corresponding author: YU Ge

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-02-10

Keywords:

Abstract: This paper studied highresolution sedimentary pollen sequence (1.5 yr/e) of Wanghu Lake, in the middle reach of Yangtze River, and analyzed the relationships of changes in pollen types and contents, sediment granularity, and climatehydrology features during the past hundred years when the lake turned from an open water system into closed basin. Correlation analysis for time series of pollen, granularity, catchment precipitation and river discharge, showed that significant linear relationships with 95% confidence level. Major pollen types showed a 27%40% synchronous changes with time series of granularity and precipitation during the past 130 years, and a 47%57% synchronous changes with time series of granularity and river discharge before the mid1960's when the lake naturally connected with Yangtze River, suggesting pollen deposition controlled by sediments and catchment precipitation. The author found synchronous changes among sedimentary granularity and pollen with precipitation and river discharge which all experienced 34 years and 911 years cycles in the time series, suggesting sedimentation responding to climate changes. This study may provide scientific basis to reconstruct past environmental changes using sediment and pollen records, and to understand biosedimentology dynamics in the lake sediments. 

于革. 高分辨湖泊沉积和孢粉记录对气候、水文变化的响应[J]. 沉积学报, 2011, 29(1): 118-124.

引用本文:

于革. 高分辨湖泊沉积和孢粉记录对气候、水文变化的响应[J]. 沉积学报, 2011, 29(1): 118-124.

YU Ge. Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology[J]. Acta Sedimentologica Sinica, 2011, 29(1): 118-124.

Citation:

YU Ge. Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology[J]. Acta Sedimentologica Sinica, 2011, 29(1): 118-124.

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高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

通讯作者:
于革

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Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology

Corresponding author: YU Ge

计量

目录

高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

中国科学院南京地理与湖泊研究所南京 210008

通讯作者: 于革

English Abstract

Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology

Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008

Corresponding author: YU Ge

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高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

通讯作者: 于革

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Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology

Corresponding author: YU Ge

计量

出版历程

目录

高分辨湖泊沉积和孢粉记录对气候、水文变化的响应

中国科学院南京地理与湖泊研究所 南京 210008

通讯作者: 于革

English Abstract

Highresolution Records of Lacustrine Sedimentology and Palynology Responding to Changes in Climate and Hydrology

Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008

Corresponding author: YU Ge

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联系我们

通讯作者:
于革

中国科学院南京地理与湖泊研究所南京 210008