近百年来东平湖沉积通量变化与环境

陈影影

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近百年来东平湖沉积通量变化与环境

陈影影

文章导航 > 沉积学报 > 2010 > 28(4): 783-789

陈影影. 近百年来东平湖沉积通量变化与环境[J]. 沉积学报, 2010, 28(4): 783-789.

引用本文:

陈影影. 近百年来东平湖沉积通量变化与环境[J]. 沉积学报, 2010, 28(4): 783-789.

CHEN Yingying. Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century[J]. Acta Sedimentologica Sinica, 2010, 28(4): 783-789.

Citation:

CHEN Yingying. Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century[J]. Acta Sedimentologica Sinica, 2010, 28(4): 783-789.

陈影影. 近百年来东平湖沉积通量变化与环境[J]. 沉积学报, 2010, 28(4): 783-789.

引用本文:

陈影影. 近百年来东平湖沉积通量变化与环境[J]. 沉积学报, 2010, 28(4): 783-789.

CHEN Yingying. Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century[J]. Acta Sedimentologica Sinica, 2010, 28(4): 783-789.

Citation:

CHEN Yingying. Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century[J]. Acta Sedimentologica Sinica, 2010, 28(4): 783-789.

近百年来东平湖沉积通量变化与环境

陈影影

聊城大学环境与规划学院山东聊城252059

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陈影影

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Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century

CHEN Yingying

School of Envinronment and Planning, Liaocheng University, Liaocheng Shandong 252059

More Information

Corresponding author: CHEN Yingying

摘要

摘要: 根据210Pb、137Cs法建立的东平湖现代沉积年代序列，结合沉积物粒度与烧失量变化特征以及黄河变迁与流域人类活动的特点，分析探讨了1889年以来东平湖沉积通量的变化。研究表明，百年来东平湖沉积环境不稳定，沉积通量变化较大：1889~1938年，沉积通量较高且基本稳定，1938~1965年，沉积通量逐年下降，1965~2000年，沉积通量整体较低且基本稳定，2000年以来，沉积通量呈逐年上升趋势。早期的高沉积通量与东平湖作为黄河自然滞蓄洪区有关，后期由于人类活动（湖区治理、黄河水利工程建设等）控制了黄河水的自然倒灌，导致了沉积通量的下降并趋于稳定，近期沉积通量的上升是湖区经济活动增强的反映。
- 210Pb137Cs沉积通量沉积环境东平湖
Abstract: Dongping lake is located in the southwest of Shandong Province, it is the second lake in size in Shandong Province and is also an important flood control reservoir at the lower reaches of the Yellow River. Based on the modern sedimentary age sequence of the Dongping Lake which was established according to 210Pb and 137Cs methods, the sedimentary flux changes since 1889 were estimated and the reasons were analyzed and discussed. By using 137Cs method, three obvious peaks were observed in the core and the sedimentary flux was 0.145
g·cm2·a1 by 137Cs time marker(1963). The CRS model of 210Pb dating was used to caculate the sedimentary flux at different time intervals since 1989, the results showed that the sedimentary flux changed greatly, indicating that the sedimentary environment of Dongping Lake was unstable more than a century: from 1989 to 1938, the average sedimentary flux was high and stable, which was about 0.292 g·cm2·a1; decreased year by year during 1938 to 1965, with an average of 0.213 g·cm2·a1; was low and stable and showed a good agreement with the 137Cs method from 1965 to 2000; and started increasing year by year since 2000, with an average of 0.167 g·cm2·a1. The early high depostion flux maybe relevant to the fact that Dongping Lake has acted as a natural flood storage basin of the Yellow River, and the latter as a result of human activities (lake governance, water conservancy construction of the Yellow River, and so on) which controled the natural flooding of the Yellow River and led to a decline in sedimentary flux and tend to be stable, while the recent rise is a reflect of the increased economic activity. In this paper, the spatial distribution regularity of sedimentary flux and the relationship between the sedimentary flux and nature and human activities were explored so as to reveal the evolutionary history of the sedimentory environment of Dongping Lake more than a century and offer valuable basic information for protection and sustainable exploration of the Dongping Lake.
- 210Pb

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[1]	杨立玉, 杜学斌, 江东辉, 肖加福, 陈科一, 李心怡. 遗迹组构定量表征及沉积环境指示意义 ——以西湖凹陷平北地区平湖组-宝石组为例 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.106
[2]	廖东霞, 郭海婷, 吴孟孟, 潘少明. ¹³⁷Cs测年的东北兴凯湖现代沉积速率研究 . 沉积学报, 2022, 40(6): 1718-1727. doi: 10.14027/j.issn.1000-0550.2021.055
[3]	周瑞琦, 傅恒, 徐国盛, 苗清, 付振群. 东海陆架盆地西湖凹陷平湖组-花港组沉积层序 . 沉积学报, 2018, 36(1): 132-141. doi: 10.3969/j.issn.1000-0550.2018.015
[4]	方建勇. 厦门湾现代沉积环境特征研究 . 沉积学报, 2010, 28(2): 356-364.
[5]	刘志勇. 珠江口沉积物210Pb分布特征及环境意义 . 沉积学报, 2010, 28(1): 166-175.
[6]	张瑞. 长江河口水下三角洲210Pb分布特征及其沉积速率 . 沉积学报, 2009, 27(4): 704-713.
[7]	潘少明. ¹³⁷Cs剖面的沉积信息提取——以香港贝澳湿地为例 . 沉积学报, 2008, 26(4): 655-661.
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近百年来东平湖沉积通量变化与环境

陈影影

聊城大学环境与规划学院山东聊城252059

通讯作者: 陈影影

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2010-08-10

关键词:

210Pb137Cs沉积通量沉积环境东平湖

摘要: 根据210Pb、137Cs法建立的东平湖现代沉积年代序列，结合沉积物粒度与烧失量变化特征以及黄河变迁与流域人类活动的特点，分析探讨了1889年以来东平湖沉积通量的变化。研究表明，百年来东平湖沉积环境不稳定，沉积通量变化较大：1889~1938年，沉积通量较高且基本稳定，1938~1965年，沉积通量逐年下降，1965~2000年，沉积通量整体较低且基本稳定，2000年以来，沉积通量呈逐年上升趋势。早期的高沉积通量与东平湖作为黄河自然滞蓄洪区有关，后期由于人类活动（湖区治理、黄河水利工程建设等）控制了黄河水的自然倒灌，导致了沉积通量的下降并趋于稳定，近期沉积通量的上升是湖区经济活动增强的反映。

English Abstract

Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century

CHEN Yingying

School of Envinronment and Planning, Liaocheng University, Liaocheng Shandong 252059

Corresponding author: CHEN Yingying

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2010-08-10

Keywords:

210Pb

Abstract: Dongping lake is located in the southwest of Shandong Province, it is the second lake in size in Shandong Province and is also an important flood control reservoir at the lower reaches of the Yellow River. Based on the modern sedimentary age sequence of the Dongping Lake which was established according to 210Pb and 137Cs methods, the sedimentary flux changes since 1889 were estimated and the reasons were analyzed and discussed. By using 137Cs method, three obvious peaks were observed in the core and the sedimentary flux was 0.145
g·cm2·a1 by 137Cs time marker(1963). The CRS model of 210Pb dating was used to caculate the sedimentary flux at different time intervals since 1989, the results showed that the sedimentary flux changed greatly, indicating that the sedimentary environment of Dongping Lake was unstable more than a century: from 1989 to 1938, the average sedimentary flux was high and stable, which was about 0.292 g·cm2·a1; decreased year by year during 1938 to 1965, with an average of 0.213 g·cm2·a1; was low and stable and showed a good agreement with the 137Cs method from 1965 to 2000; and started increasing year by year since 2000, with an average of 0.167 g·cm2·a1. The early high depostion flux maybe relevant to the fact that Dongping Lake has acted as a natural flood storage basin of the Yellow River, and the latter as a result of human activities (lake governance, water conservancy construction of the Yellow River, and so on) which controled the natural flooding of the Yellow River and led to a decline in sedimentary flux and tend to be stable, while the recent rise is a reflect of the increased economic activity. In this paper, the spatial distribution regularity of sedimentary flux and the relationship between the sedimentary flux and nature and human activities were explored so as to reveal the evolutionary history of the sedimentory environment of Dongping Lake more than a century and offer valuable basic information for protection and sustainable exploration of the Dongping Lake.

陈影影. 近百年来东平湖沉积通量变化与环境[J]. 沉积学报, 2010, 28(4): 783-789.

引用本文:

陈影影. 近百年来东平湖沉积通量变化与环境[J]. 沉积学报, 2010, 28(4): 783-789.

CHEN Yingying. Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century[J]. Acta Sedimentologica Sinica, 2010, 28(4): 783-789.

Citation:

CHEN Yingying. Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century[J]. Acta Sedimentologica Sinica, 2010, 28(4): 783-789.

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近百年来东平湖沉积通量变化与环境

通讯作者:
陈影影

计量

Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century

Corresponding author: CHEN Yingying

计量

目录

近百年来东平湖沉积通量变化与环境

聊城大学环境与规划学院山东聊城252059

通讯作者: 陈影影

English Abstract

Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century

School of Envinronment and Planning, Liaocheng University, Liaocheng Shandong 252059

Corresponding author: CHEN Yingying

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近百年来东平湖沉积通量变化与环境

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Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century

Corresponding author: CHEN Yingying

计量

出版历程

目录

近百年来东平湖沉积通量变化与环境

聊城大学环境与规划学院山东聊城252059

通讯作者: 陈影影

English Abstract

Sedimentary Flux Variation and Environment of Dongping Lake During the Last Century

School of Envinronment and Planning, Liaocheng University, Liaocheng Shandong 252059

Corresponding author: CHEN Yingying

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