太阳辐射影响高原生态系统的湖泊沉积生物标志物证据
The Evidence from the Biomarker in Lake Sediments for the Solar Activity Influences on the Plateau Ecosystem
DOI: 10.12677/AG.2018.81002, PDF,    国家自然科学基金支持
作者: 蒲 阳*, 葛井莲, 何天豪, 高凤霞：南京信息工程大学，地理科学学院，江苏 南京；刁汉婕, 丁莹莹：南京信息工程大学，遥感与测绘工程学院，江苏 南京
关键词: 湖泊沉积物；生物标志物；正构烷烃；正构脂肪醇；总太阳辐照度；Lake Sediment； Biomarker； n-Alkane； n-Alkanol； Total Solar Irradiation
摘要: 太阳活动与地球生态系统之间的联系是学术界较少谈及但却十分重要的论题。本文尝试利用青藏高原东部湖泊沉积物中高等植物生物标志物指标探讨高原生态系统与太阳活动之间的关系。结果表明高等植物来源正构烷烃和正构脂肪醇的碳优势指数(CPI)及平均碳链长度(ACL)敏感地响应了总太阳辐照度(TSI)的变化，忠实地记录了青藏高原东部近900 a来四次太阳活动极小期。因此我们认为高原湖泊生态系统波动背后的驱动力实质上是太阳辐射强度的变化。
Abstract: The relationship between solar activity and the terrestrial ecosystem is an important topic but less mentioned in previous studies. Herein, we applied the biomarker index deduced from the n-alkanes and n-alkanols in lake sediments which are believed to be derived from higher plant exploring the relationship between the solar activity and plateau ecosystem. The results show that the conventional biomarker indexes including carbon preference index (CPI) and average chain length (ACL) sensitively respond to the total solar irradiation (TSI) variation and faithfully recorded four solar minimum periods during the last 900 a. So it is considered that the driving force behind the fluctuations of plateau lacustrine ecosystem is essentially the change in solar radiation intensity.
文章引用：蒲阳, 葛井莲, 何天豪, 高凤霞, 刁汉婕, 丁莹莹. 太阳辐射影响高原生态系统的湖泊沉积生物标志物证据[J]. 地球科学前沿, 2018, 8(1): 9-18. https://doi.org/10.12677/AG.2018.81002

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