中国帕米尔地区黄土上部色度变化特征及古气候意义

陈杰; 杨太保; 曾彪; 何毅; 冀琴

doi:10.14027/j.issn.1000-0550.2018.043

ISSN 1000-0550 CN 62-1038/P

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中国帕米尔地区黄土上部色度变化特征及古气候意义

陈杰, 杨太保, 曾彪, 何毅, 冀琴

文章导航 > 沉积学报 > 2018 > 36(2): 333-342

陈杰, 杨太保, 曾彪, 何毅, 冀琴. 中国帕米尔地区黄土上部色度变化特征及古气候意义[J]. 沉积学报, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

引用本文:

陈杰, 杨太保, 曾彪, 何毅, 冀琴. 中国帕米尔地区黄土上部色度变化特征及古气候意义[J]. 沉积学报, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

CHEN Jie, YANG TaiBao, ZENG Biao, HE Yi, JI Qin. Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China[J]. Acta Sedimentologica Sinica, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

Citation:

CHEN Jie, YANG TaiBao, ZENG Biao, HE Yi, JI Qin. Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China[J]. Acta Sedimentologica Sinica, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

陈杰, 杨太保, 曾彪, 何毅, 冀琴. 中国帕米尔地区黄土上部色度变化特征及古气候意义[J]. 沉积学报, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

引用本文:

陈杰, 杨太保, 曾彪, 何毅, 冀琴. 中国帕米尔地区黄土上部色度变化特征及古气候意义[J]. 沉积学报, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

Citation:

中国帕米尔地区黄土上部色度变化特征及古气候意义

doi: 10.14027/j.issn.1000-0550.2018.043

兰州大学资源环境学院, 冰川与生态地理研究所, 兰州 730000

基金项目: 国家自然科学基金项目（41271024）；兰州大学中央高校基本科研业务费专项资金（lzujbky-2016-270）

详细信息

作者简介:
陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn

通讯作者:
杨太保,男,教授,博士生导师,E-mail:yangtb@lzu.edu.cn

中图分类号: P532

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文章访问数: 651
HTML全文浏览量: 81
PDF下载量: 637
被引次数: 0

Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China

Institute of Glaciology and Ecogeography, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China

Funds: National Natural Science Foundation of China, No. 41271024; Fundamental Research Funds for the Central Universities, No. lzujbky-2016-270

摘要

摘要: 以中国境内帕米尔黄土—古土壤序列为研究对象，对剖面上部进行土壤色度指标与其他常用气候替代指标（如磁化率、碳酸盐和有机碳）对比研究后发现：在帕米尔黄土沉积期间，亮度L^*很大程度上受控于颜色分量a^*和b^*，进而可能与影响a^*、b^*的物质相对含量有关。红度a^*在整个黄土—古土壤剖面中变化特征明显，与磁化率呈明显的负相关关系，可能与土壤中铁氧化物的种类和含量关系密切。由于a^*和b^*具有较高的相关性，认为它们具有较为一致的致色物质，可能受控于相似的气候因子。色度a^*、b^*和亮度L^*的变化表明其可以作为帕米尔地区良好的气候代用指标，结合磁化率共同反映该地区的古气候变化过程。
- 色度 /
- 磁化率 /
- 黄土-古土壤 /
- 帕米尔
Abstract: Loess is one of the most detailed terrestrial widespread high resolution archives of climate and environment change, the study of the loess-paleosol sequences in Pamir allows one to assess the changes in the environment and pedogenesis over the interglacial and glacial epoch of the Quaternary period. However, deciphering such amount information requires multi-proxy to investigate the temporal process of aeolian dust and paleoclimate, which is important for understanding the forcing mechanisms of past climate in Pamir region and also for predicting the future regional climate changes under the global warming background. Soil color, one of the sensitive proxies for paleoclimate, has been widely used as an indicator of chemical and biological properties as well as the soil-forming process in the loess study. In view of above analysis, combined with magnetic susceptibility, calcium carbonate and organic matter proxies, this paper measured the chromatic proxies to investigate the spatial and temporal variations of soil color and their major controlling factors at the Pamir loess section dominated by westerlies. The results show that the introduction of chroma could compensate for defects in paleoclimate reconstruction when magnetic susceptibility cannot record the process of climate change and soil development well. In the process of loess accumulation, lightness L^*, to a large extent, was dominated by color components a^* and b^*, furthermore, may be correlated to the substance that affect color component a^*,b^*. Redness a^* and yellowness b^* were controlled by the similar climatic factors and might process the consistent color material because of their relatively high correlation. Largely influenced by the categories and contents of iron oxide and correspond well with magnetic susceptibility, Redness a^* could indirectly reflect the climate change and pedogenic environment in this region.The relationship between chromatic proxies and magnetic susceptibility indicate that magnetic susceptibility and a^* show a positive correlation, for L^* it is a negative one; this is due to the fact that their dominating matter is different. Only the combination between chromatic proxies and other climatic proxies, could we reconstruct a reasonable and reliable process of climate change in the Pamir region.
- chroma /
- magnetic susceptibility /
- loess-paleosol /
- Pamir

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[1]	刘庚, 韩喜彬, 陈燕萍, 胡邦琦, 易亮. 南黄海沉积物磁性特征及其对物源变化的指示 . 沉积学报, 2021, 39(2): 383-394. doi: 10.14027/j.issn.1000-0550.2020.017
[2]	林荣骁, 王家生, 苏丕波, 林杞, 孙飞, 杨军霞. 南海东北部岩芯沉积物磁性特征及对甲烷事件的指示 . 沉积学报, 2017, 35(2): 290-298. doi: 10.14027/j.cnki.cjxb.2017.02.008
[3]	高鹏坤, 庞奖励, 黄春长, 周亚利, 卞鸿雁, 王蕾彬, 王学佳. 陕南丹凤茶房村黄土—古土壤剖面色度参数特征 . 沉积学报, 2015, 33(3): 537-542. doi: 10.14027/j.cnki.cjxb.2015.03.011
[4]	. 北京市昌平区钻孔岩芯的磁化率与粒度组份变化的相关性研究 . 沉积学报, 2012, 30(3): 572-579.
[5]	. 贵州安顺新民二叠系—三叠系界线剖面磁化率变化及古气候环境意义 . 沉积学报, 2012, 30(5): 817-824.
[6]	. 新疆伊犁晚全新世风成沙—古土壤序列磁化率特征及气候变化 . 沉积学报, 2012, 30(5): 928-936.
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[8]	田庆春. 青藏高原腹地湖泊沉积物磁化率及其环境意义 . 沉积学报, 2011, 29(1): 143-150.
[9]	闫晓丽. 临夏盆地黑林顶剖面沉积物在8.6Ma前后岩石磁学特征及其意义 . 沉积学报, 2010, 28(6): 1190-1197.
[10]	杨黎静. 台湾海峡西部表层沉积物磁化率特征 . 沉积学报, 2009, 27(4): 697-703.
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[19]	舒小辛, 刘志伟, 王慧中, 刘传联, 陈东敬, 洪太原. 东营凹陷第三纪湖相沉积物磁性特征及其与环境变化的关系 . 沉积学报, 1995, 13(S1): 96-101.
[20]	卢伟, 彭作林, 黄华芳. 鄂尔多斯盆地沉积岩磁化率特征与油气的关系 . 沉积学报, 1991, 9(4): 110-119.

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中国帕米尔地区黄土上部色度变化特征及古气候意义

doi: 10.14027/j.issn.1000-0550.2018.043

兰州大学资源环境学院, 冰川与生态地理研究所, 兰州 730000

基金项目: 国家自然科学基金项目（41271024）；兰州大学中央高校基本科研业务费专项资金（lzujbky-2016-270）

作者简介:
陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn

通讯作者: 杨太保,男,教授,博士生导师,E-mail:yangtb@lzu.edu.cn

收稿日期: 2017-03-29
修回日期: 2017-08-21
刊出日期: 2018-04-10

中图分类号: P532

关键词:

色度 /

磁化率 /

黄土-古土壤 /

帕米尔

摘要: 以中国境内帕米尔黄土—古土壤序列为研究对象，对剖面上部进行土壤色度指标与其他常用气候替代指标（如磁化率、碳酸盐和有机碳）对比研究后发现：在帕米尔黄土沉积期间，亮度L^*很大程度上受控于颜色分量a^*和b^*，进而可能与影响a^*、b^*的物质相对含量有关。红度a^*在整个黄土—古土壤剖面中变化特征明显，与磁化率呈明显的负相关关系，可能与土壤中铁氧化物的种类和含量关系密切。由于a^*和b^*具有较高的相关性，认为它们具有较为一致的致色物质，可能受控于相似的气候因子。色度a^*、b^*和亮度L^*的变化表明其可以作为帕米尔地区良好的气候代用指标，结合磁化率共同反映该地区的古气候变化过程。

English Abstract

Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China

Institute of Glaciology and Ecogeography, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China

Funds: National Natural Science Foundation of China, No. 41271024; Fundamental Research Funds for the Central Universities, No. lzujbky-2016-270

Received Date: 2017-03-29
Rev Recd Date: 2017-08-21
Publish Date: 2018-04-10

Keywords:

Abstract: Loess is one of the most detailed terrestrial widespread high resolution archives of climate and environment change, the study of the loess-paleosol sequences in Pamir allows one to assess the changes in the environment and pedogenesis over the interglacial and glacial epoch of the Quaternary period. However, deciphering such amount information requires multi-proxy to investigate the temporal process of aeolian dust and paleoclimate, which is important for understanding the forcing mechanisms of past climate in Pamir region and also for predicting the future regional climate changes under the global warming background. Soil color, one of the sensitive proxies for paleoclimate, has been widely used as an indicator of chemical and biological properties as well as the soil-forming process in the loess study. In view of above analysis, combined with magnetic susceptibility, calcium carbonate and organic matter proxies, this paper measured the chromatic proxies to investigate the spatial and temporal variations of soil color and their major controlling factors at the Pamir loess section dominated by westerlies. The results show that the introduction of chroma could compensate for defects in paleoclimate reconstruction when magnetic susceptibility cannot record the process of climate change and soil development well. In the process of loess accumulation, lightness L^*, to a large extent, was dominated by color components a^* and b^*, furthermore, may be correlated to the substance that affect color component a^*,b^*. Redness a^* and yellowness b^* were controlled by the similar climatic factors and might process the consistent color material because of their relatively high correlation. Largely influenced by the categories and contents of iron oxide and correspond well with magnetic susceptibility, Redness a^* could indirectly reflect the climate change and pedogenic environment in this region.The relationship between chromatic proxies and magnetic susceptibility indicate that magnetic susceptibility and a^* show a positive correlation, for L^* it is a negative one; this is due to the fact that their dominating matter is different. Only the combination between chromatic proxies and other climatic proxies, could we reconstruct a reasonable and reliable process of climate change in the Pamir region.

陈杰, 杨太保, 曾彪, 何毅, 冀琴. 中国帕米尔地区黄土上部色度变化特征及古气候意义[J]. 沉积学报, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

引用本文:

陈杰, 杨太保, 曾彪, 何毅, 冀琴. 中国帕米尔地区黄土上部色度变化特征及古气候意义[J]. 沉积学报, 2018, 36(2): 333-342. doi: 10.14027/j.issn.1000-0550.2018.043

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中国帕米尔地区黄土上部色度变化特征及古气候意义

doi: 10.14027/j.issn.1000-0550.2018.043

作者简介:
陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn

通讯作者:
杨太保,男,教授,博士生导师,E-mail:yangtb@lzu.edu.cn

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Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China

计量

目录

中国帕米尔地区黄土上部色度变化特征及古气候意义

doi: 10.14027/j.issn.1000-0550.2018.043

兰州大学资源环境学院, 冰川与生态地理研究所, 兰州 730000

作者简介:
陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn

通讯作者: 杨太保,男,教授,博士生导师,E-mail:yangtb@lzu.edu.cn

English Abstract

Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China

Institute of Glaciology and Ecogeography, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China

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中国帕米尔地区黄土上部色度变化特征及古气候意义

doi: 10.14027/j.issn.1000-0550.2018.043

作者简介: 陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn

通讯作者: 杨太保,男,教授,博士生导师,E-mail:yangtb@lzu.edu.cn

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Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China

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目录

中国帕米尔地区黄土上部色度变化特征及古气候意义

doi: 10.14027/j.issn.1000-0550.2018.043

兰州大学资源环境学院, 冰川与生态地理研究所, 兰州 730000

作者简介: 陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn

通讯作者: 杨太保,男,教授,博士生导师,E-mail:yangtb@lzu.edu.cn

English Abstract

Chroma Characteristics and Its Paleoclimatic Significance in Pamir Loess Section, China

Institute of Glaciology and Ecogeography, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China

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目录

友情链接

期刊在线

联系我们

作者简介:
陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn

通讯作者:
杨太保,男,教授,博士生导师,E-mail:yangtb@lzu.edu.cn

作者简介:
陈杰,男,1990年出生,博士研究生,环境演变与全球变化,E-mail:chenj2015@lzu.edu.cn