globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2014.04.015
论文题名:
Mid-to-Late Holocene organic carbon export variability at the southern boundary of the California Current: An approach based on diffuse spectral reflectance of marine sediment cores
作者: Cortina A.; Herguera J.C.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 408
起始页码: 1
结束页码: 10
语种: 英语
英文关键词: California current system ; Diffuse spectral reflectance ; El niño/pacific decadal oscillation (PDO) ; Holocene ; Organic carbon
英文摘要: Here we present the results obtained from diffuse spectral reflectance (DSR) on the visible wave spectra on a 4.5m-long Calypso Kasten core (MD02-2506-C2), collected from the San Lázaro Basin (SLB), with the aim of reconstructing the Mid-to-Late Holocene variability in export production in the California Current System (CCS). We applied an R-mode maximum likelihood factor analysis on the first derivative of the diffuse spectral reflectance. We then compared the factor scores obtained with this method and the organic carbon (OC) content of the core in order to establish a statistical transfer function between both variables. We eliminated high-frequency noise with the aid of Singular Spectral Analysis (SSA) from both records, increasing the correlation between both variables (r=-0.71, p<0.001). These results indicated that DSR can be used as a reliable proxy of the OC content in high-resolution SLB sediments, which we used to reconstruct past CCS organic carbon export variability. Our findings suggest changes in organic carbon production and export from the Mid-to-Late Holocene, most likely resulting from changing influences on the SLB due to the interaction of the Pacific Decadal Oscillation (PDO) and El Niño. © 2014 Elsevier B.V.
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69307
Appears in Collections:过去全球变化的重建

Files in This Item:

There are no files associated with this item.


作者单位: Department of Geology, University of Salamanca, 37008 Salamanca, Spain; Institute of Earth Sciences, Université de Lausanne, CH-1015 Lausanne, Switzerland; Oceanología, Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), 22860 Ensenada, Mexico

Recommended Citation:
Cortina A.,Herguera J.C.. Mid-to-Late Holocene organic carbon export variability at the southern boundary of the California Current: An approach based on diffuse spectral reflectance of marine sediment cores[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,408
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Cortina A.]'s Articles
[Herguera J.C.]'s Articles
百度学术
Similar articles in Baidu Scholar
[Cortina A.]'s Articles
[Herguera J.C.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Cortina A.]‘s Articles
[Herguera J.C.]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.