Paleoproduction and environmental change at Mono Lake (eastern Sierra Nevada) during the Pleistocene-Holocene transition

Paleoproduction and environmental change at Mono Lake (eastern Sierra Nevada) during the Pleistocene-Holocene transition
复制标题

更新世-全新世过渡期间莫诺湖(内华达山脉东部)的古生产和环境变化

DOI:
10.1016/j.palaeo.2019.109565
复制
发表时间:
2020
期刊:
Palaeoecology
影响因子:
--
通讯作者:
Tunno, Irene
Tunno, Irene
中科院分区:
--
文献类型:
--
作者:
Hodelka, Bailee N.;McGlue, Michael M.;Zimmerman, Susan;Ali, Guleed;Tunno, Irene

文献摘要

参考文献

被引文献

相似文献

莫诺湖 (~16.6–4.3 cal kyr BP) 是内华达山脉东部 (加利福尼亚州) 的一个水文封闭盆地,其晚第四纪湖泊学历史是根据对由重叠的深水活塞岩芯构成的长 (~10.8 m) 复合沉积岩芯的多指标分析推断的。通过 14 C 和火山灰对比测年的复合岩心显示沉积学、磁化率、元素地球化学和稳定同位素随时间的变化,与水产生产力、水文气候和火山活动的变化一致。在更新世晚期,深水地层受到高幅度水位变化和冰川流域径流的影响。相比之下,莫诺湖在全新世早至中期的海拔较低;低幅度水位变化、海岸线波浪改造和水柱分层是当时相的重要控制因素。数据表明,莫诺湖有机相发育的主要控制因素——生产力、保存和稀释动态——对影响湖平面高度、水化学和三角洲位置的气候变化很敏感。研究表明,莫诺湖某些地点的深水沉积物保存完好、连续,并且可以通过应用于陆地材料的 14 C 来可靠地测年。当与精确年代的古海岸线数据相结合时,这些沉积物为内华达山脉东部提供了冰消期和全新世环境信息的高分辨率档案。
The late Quaternary limnological history of Mono Lake (~16.6–4.3 cal kyr BP), a hydrologically closed basin in the eastern Sierra Nevada (California), is inferred based on a multi-indicator analysis of a long (~10.8 m) composite sediment core constructed from overlapping deepwater piston cores. The composite core, dated by14C and tephra correlation, shows variations in sedimentology, magnetic susceptibility, elemental geochemistry and stable isotopes through time, consistent with changes in aquatic productivity, hydroclimate, and volcanism. In the late Pleistocene, deepwater stratigraphy was influenced by high-amplitude water-level changes and runoff from a glaciated watershed. In contrast, Mono Lake's elevation was lower in the Early to Middle Holocene; low-amplitude water-level changes, wave reworking of the shoreline, and water-column stratification were important controls on facies during that time. The data suggest that the chief controls on organic facies development in Mono Lake – productivity, preservation, and dilution dynamics – are sensitive to climate changes that influence lake-level elevation, water chemistry, and the position of deltas. The study shows that deepwater sediments from certain locales in Mono Lake are well-preserved, continuous, and can be reliably dated with14C applied to terrestrial materials. When paired with precisely dated paleoshoreline data, these sediments provide a high-resolution archive of deglacial and Holocene environmental information for the eastern Sierra Nevada.
过去 35,000 年寒冷沙漠地区的植被动态:随着干旱程度的增加,禾本科植物优先丧失
DOI: 10.1002/ecs2.1873
发表时间: 2017
期刊: Ecosphere
影响因子: 2.7
作者:
R. Nowak;C. Nowak;R. Tausch
通讯作者: R. Tausch
加利福尼亚州内华达山脉南部全新世早期干旱的孢粉学证据
DOI: 10.1016/0033-5894(85)90054-7
发表时间: 1985
影响因子: 2.3
作者:
O. Davis;R. Scott Anderson;Patricia L. Fall;M. K. O'Rourke;R. S. Thompson
通讯作者: R. S. Thompson
基于其爆炸和喷发产物的 238U‐230Th 等时线测年,限制加利福尼亚州莫诺陨石坑流纹岩的早期喷发历史
DOI: 10.1029/2018gc008052
发表时间: 2019
期刊: Geochemistry
影响因子: 3.7
作者:
M. Marcaida;J. Vazquez;M. Stelten;Jonathan S. Miller
通讯作者: Jonathan S. Miller
加利福尼亚州欧文斯湖晚更新世海岸线及其水文气候和构造影响
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者:
A. Orme;A. J. Orme
通讯作者: A. J. Orme
使用辅助矿物边缘的 238U-230Th SIMS 测年,对 Wilson Creek 地层(加利福尼亚州莫诺湖)和 Laschamp 事件进行高分辨率年代学分析
DOI: 10.1016/j.epsl.2012.09.013
发表时间: 2012
影响因子: 5.3
作者:
J. Vazquez;M. Lidzbarski
通讯作者: M. Lidzbarski