毛乌素沙漠南部古今沙丘微量元素对比分析

陈碧珊; 徐榆婷; 廖正旭; 招佳彤; 邓家怡; 牛东风

doi:10.14027/j.issn.1000-0550.2025.002

ISSN 1000-0550 CN 62-1038/P

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毛乌素沙漠南部古今沙丘微量元素对比分析

陈碧珊, 徐榆婷, 廖正旭, 招佳彤, 邓家怡, 牛东风

文章导航 > 沉积学报 > 2025 > 优先发表

陈碧珊, 徐榆婷, 廖正旭, 招佳彤, 邓家怡, 牛东风. 毛乌素沙漠南部古今沙丘微量元素对比分析[J]. 沉积学报. doi: 10.14027/j.issn.1000-0550.2025.002

引用本文:

陈碧珊, 徐榆婷, 廖正旭, 招佳彤, 邓家怡, 牛东风. 毛乌素沙漠南部古今沙丘微量元素对比分析[J]. 沉积学报. doi: 10.14027/j.issn.1000-0550.2025.002

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert[J]. Acta Sedimentologica Sinica. doi: 10.14027/j.issn.1000-0550.2025.002

Citation:

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert[J]. Acta Sedimentologica Sinica. doi: 10.14027/j.issn.1000-0550.2025.002

陈碧珊, 徐榆婷, 廖正旭, 招佳彤, 邓家怡, 牛东风. 毛乌素沙漠南部古今沙丘微量元素对比分析[J]. 沉积学报. doi: 10.14027/j.issn.1000-0550.2025.002

引用本文:

陈碧珊, 徐榆婷, 廖正旭, 招佳彤, 邓家怡, 牛东风. 毛乌素沙漠南部古今沙丘微量元素对比分析[J]. 沉积学报. doi: 10.14027/j.issn.1000-0550.2025.002

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert[J]. Acta Sedimentologica Sinica. doi: 10.14027/j.issn.1000-0550.2025.002

Citation:

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert[J]. Acta Sedimentologica Sinica. doi: 10.14027/j.issn.1000-0550.2025.002

毛乌素沙漠南部古今沙丘微量元素对比分析

doi: 10.14027/j.issn.1000-0550.2025.002

岭南师范学院地理科学学院

基金项目: 其它-横向课题(无)

详细信息

中图分类号: P534.63

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文章访问数: 47
HTML全文浏览量: 5
PDF下载量: 5
被引次数: 0

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert

摘要

摘要: 【目的】毛乌素沙漠南部古今沙丘微量元素记录了它们风化、搬运和沉积过程的环境信息，对其进行探讨旨在深入了解该区沉积物来源及气候环境。【方法】采集毛乌素沙漠南部现代沙丘与古沙丘样品，分析磷（P）、铅（Pb）和铷（Rb）等14种微量元素含量特征和相关性，探讨不同类型沙丘微量元素含量的差异及空间分布特征。【结果】（1）古今沙丘微量元素以Ba、Sr、P元素为主，As、Nb、Cu三种微量元素含量较低，其分布规律具有一定的区域性。（2）固定沙丘微量元素含量明显高于流动沙丘，主要与沙丘的性质及植被覆盖有关；而古沙丘中微量元素的含量高于现代沙丘，主要受沉积历史、气候变化及特殊的地貌位置等因素影响。（3）古今沙丘中Sr/Cu、Rb/Sr和Sr/Ba的含量比值相当，表明两者形成于相似的沉积环境。【结论】古今沙丘微量元素含量和不同类型沙丘微量元素存在一定的相似性和差异性；古沙丘微量元素含量变化规律一定程度上可以为现代沙丘的来源提供线索；古今沙丘中微量元素比值具有一定的气候环境指示意义。
- 毛乌素沙漠南部 /
- 现代沙丘 /
- 古沙丘 /
- 微量元素
Abstract: 【Objective】The trace element records of modern and ancient dunes in the southern part of the Mu Us Desert provide environmental information on their weathering, transportation and deposition processes. The aim of this study is to gain a deeper understanding of the sediment sources and climate environment in this area.【Methods】 Samples of modern and ancient dunes in the southern Mu Us Desert were collected, and the content characteristics and correlations of 14 trace elements including phosphorus (P), lead (Pb), and rubidium (Rb) were analyzed to explore the differences in trace element contents and spatial distribution characteristics among different types of dunes.【Results】 (1) The trace elements in modern and ancient dunes are mainly barium (Ba), strontium (Sr), and phosphorus (P), while the contents of arsenic (As), niobium (Nb), and copper (Cu) are relatively low.Their distribution patterns show certain regional characteristics. (2) The trace element contents in fixed dunes are significantly higher than those in mobile dunes, mainly due to the nature of the dunes and vegetation coverage; while the trace element contents in ancient dunes are higher than those in modern dunes, mainly influenced by sedimentary history, climate change, and special geomorphic positions. (3) The ratios of Sr/Cu, Rb/Sr, and Sr/Ba in modern and ancient dunes are comparable, indicating that they were formed in similar sedimentary environments.【Conclusion】 There are certain similarities and differences in the trace element contents of modern and ancient dunes and different types of dunes. The changes in trace element contents in ancient dunes can provide clues to the sources of modern dunes to a certain extent. The ratios of trace elements in modern and ancient dunes have certain implications for climate and environmental conditions.
- Southern part of the Mu Us Desert /
- Modern sand dune /
- Ancient sand dune /
- Trace elements

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毛乌素沙漠南部古今沙丘微量元素对比分析

doi: 10.14027/j.issn.1000-0550.2025.002

岭南师范学院地理科学学院

基金项目: 其它-横向课题(无)

收稿日期: 2024-08-30
网络出版日期: 2025-03-10

中图分类号: P534.63

关键词:

毛乌素沙漠南部 /

现代沙丘 /

古沙丘 /

微量元素

摘要: 【目的】毛乌素沙漠南部古今沙丘微量元素记录了它们风化、搬运和沉积过程的环境信息，对其进行探讨旨在深入了解该区沉积物来源及气候环境。【方法】采集毛乌素沙漠南部现代沙丘与古沙丘样品，分析磷（P）、铅（Pb）和铷（Rb）等14种微量元素含量特征和相关性，探讨不同类型沙丘微量元素含量的差异及空间分布特征。【结果】（1）古今沙丘微量元素以Ba、Sr、P元素为主，As、Nb、Cu三种微量元素含量较低，其分布规律具有一定的区域性。（2）固定沙丘微量元素含量明显高于流动沙丘，主要与沙丘的性质及植被覆盖有关；而古沙丘中微量元素的含量高于现代沙丘，主要受沉积历史、气候变化及特殊的地貌位置等因素影响。（3）古今沙丘中Sr/Cu、Rb/Sr和Sr/Ba的含量比值相当，表明两者形成于相似的沉积环境。【结论】古今沙丘微量元素含量和不同类型沙丘微量元素存在一定的相似性和差异性；古沙丘微量元素含量变化规律一定程度上可以为现代沙丘的来源提供线索；古今沙丘中微量元素比值具有一定的气候环境指示意义。

English Abstract

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert

Received Date: 2024-08-30
Available Online: 2025-03-10

Keywords:

Abstract: 【Objective】The trace element records of modern and ancient dunes in the southern part of the Mu Us Desert provide environmental information on their weathering, transportation and deposition processes. The aim of this study is to gain a deeper understanding of the sediment sources and climate environment in this area.【Methods】 Samples of modern and ancient dunes in the southern Mu Us Desert were collected, and the content characteristics and correlations of 14 trace elements including phosphorus (P), lead (Pb), and rubidium (Rb) were analyzed to explore the differences in trace element contents and spatial distribution characteristics among different types of dunes.【Results】 (1) The trace elements in modern and ancient dunes are mainly barium (Ba), strontium (Sr), and phosphorus (P), while the contents of arsenic (As), niobium (Nb), and copper (Cu) are relatively low.Their distribution patterns show certain regional characteristics. (2) The trace element contents in fixed dunes are significantly higher than those in mobile dunes, mainly due to the nature of the dunes and vegetation coverage; while the trace element contents in ancient dunes are higher than those in modern dunes, mainly influenced by sedimentary history, climate change, and special geomorphic positions. (3) The ratios of Sr/Cu, Rb/Sr, and Sr/Ba in modern and ancient dunes are comparable, indicating that they were formed in similar sedimentary environments.【Conclusion】 There are certain similarities and differences in the trace element contents of modern and ancient dunes and different types of dunes. The changes in trace element contents in ancient dunes can provide clues to the sources of modern dunes to a certain extent. The ratios of trace elements in modern and ancient dunes have certain implications for climate and environmental conditions.

陈碧珊, 徐榆婷, 廖正旭, 招佳彤, 邓家怡, 牛东风. 毛乌素沙漠南部古今沙丘微量元素对比分析[J]. 沉积学报. doi: 10.14027/j.issn.1000-0550.2025.002

引用本文:

陈碧珊, 徐榆婷, 廖正旭, 招佳彤, 邓家怡, 牛东风. 毛乌素沙漠南部古今沙丘微量元素对比分析[J]. 沉积学报. doi: 10.14027/j.issn.1000-0550.2025.002

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert[J]. Acta Sedimentologica Sinica. doi: 10.14027/j.issn.1000-0550.2025.002

Citation:

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert[J]. Acta Sedimentologica Sinica. doi: 10.14027/j.issn.1000-0550.2025.002

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毛乌素沙漠南部古今沙丘微量元素对比分析

doi: 10.14027/j.issn.1000-0550.2025.002

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Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert

计量

目录

毛乌素沙漠南部古今沙丘微量元素对比分析

doi: 10.14027/j.issn.1000-0550.2025.002

岭南师范学院地理科学学院

English Abstract

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert

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毛乌素沙漠南部古今沙丘微量元素对比分析

doi: 10.14027/j.issn.1000-0550.2025.002

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Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert

计量

出版历程

目录

毛乌素沙漠南部古今沙丘微量元素对比分析

doi: 10.14027/j.issn.1000-0550.2025.002

岭南师范学院地理科学学院

English Abstract

Comparison of trace elements in modern and ancient sand dunes in the southern Mu Us Desert

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