The elemental carbon record in Weinan loess section since the last 21 ka

来源 :中国科学通报：英文版 | 被引量 : 0次 | 上传用户：karstlwq

【摘要】

：

We studied the records of elemental carbon (EC) of the last 21 ka in the Weinan loess section, Shanxi Province. The variations of EC abundance and δ13CEC value

【作者】

：

Ying Yang Chengde Shen Weixi Y

【机构】

：

ChineseAcadSci,ChineseAcadSci,ChineseAcadSci

【出处】

：

中国科学通报：英文版

【发表日期】

：

2001年18期

【关键词】

：

ELEMENTAL carbon fire history Weinan LOESS SECTION δ13C paleoenvironment. elemen

【基金项目】

：

This work was supported by the National Natural Science Foundation of China (Grant No. 49773186), the National Key Basic Research Project (Grant No. G1999043401), the Natural Resources and Environment

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

We studied the records of elemental carbon (EC) of the last 21 ka in the Weinan loess section, Shanxi Province. The variations of EC abundance and δ13CEC value along with depth (or age) were presented. There are four large peaks of EC abundance around the

其他文献

统帅冰箱真评实测:好玩还好用!冰箱不仅仅是冰箱?

俗话说得好:美丽的皮囊千篇一律,有趣的灵魂万里挑一。不论外观做得多精致,没点有意思的内涵,看久了总会审美疲劳。就拿冰箱来说,内外兼修一直是各个品牌产品追求的终极目标

期刊

审美疲劳内外兼修冰箱

苏宁伊利战略合作再升级乳业巨头接力为818发烧节供奶

从中粮、益海嘉里再到鲁花……苏宁与国内食品行业大咖不断擦出火花。伴随着818发烧节的临近，苏宁的“发烧朋友圈”越来越壮大，苏宁高管买手团的超级买手们也成了“最忙的人”

期刊

苏宁战略合作发烧接力乳业食品行业奶

Approach to synthesis of novel chiral 3-chloro-2(5H)- furanone and its application in asymmetric rea

The synthetic method of the novel chiral synthon, 5-/-menthyloxy-3-chloro-2-(5H)-furanone 5a and its application in asymmetric reactions were investigated. 5a i

期刊

newCHIRALsynthon.5-l-menthyloxy-3-chloro-2-(5H)-furanoneabsoluteconfigurati

Pseudo-reconnection in MHD numerical simulation

A class of pseudo-reconnections caused by a shifted mesh in magnetohydrodynamics(MHD) simulations is reported. In terms of this mesh system, some non-physical r

期刊

MAGNETOHYDRODYNAMICS(MHD)NUMERICALsimulationMAGNETICreconnection.magnetohy

身体美学导论

进入20世纪以来,有关身体的言说日益增多,身体成为重要的审美对象。随着这种趋势的发展,身体美学被正式承认为一个学科。不过,该著所论并非通常意义上的身体美学导论,而是展

期刊

身体美学学术追求主体性思想主体概念美学体系主体论导论审美对象

Effect of the endoparasitoid Campoletis chlorideae on phenoloxidase activity in Helicoverpa armigera

Endoparasitoid wasps can develop inside permissive host due to their ability to overcome or to evade the host’s cellular and humoral immune response. Ovipositi

期刊

INSECTimmunityPHENOLOXIDASEPROPHENOLOXIDASEen-doparasitoidCALYXfluid.ins

Sequences of cytochrome b gene for primitive cyprinid fishes in East Asia and their phylogenetic con

1140 bp of cytochrome b gene were amplified and sequenced from 14 species of primitive cyprinid fishes in East Asia. Aligned with other ten cytochrome b gene se

期刊

CYPRINIDAEmolecularSYSTEMATICSCYTOCHROMEbgenephylogeny.cyprinidaemolecul

Synthesis, crystal structure and properties of binuclear manganese complex [（bipy）<sub>2</s

Binuclear manganese complex [(bipy)2Mn2(μ-O)(μ-Ac)2(H2O)2](CIO4)2 was synthesized by the reaction of MnAc3 · 2H2O with 2,2’-bipyridine in the HAc-NaAc b

期刊

BINUCLEARmanganesecomplexcrystalstructureSYNTHESISproperties.

The pathway of the interdecadal variability in the Pacific Ocean

Cases of the interdecadal variability in the Pacific Ocean and their evolution were examined in the paper with the statistic methods (CEOF and composite analysi

期刊

INTERDECADALOCEANICVARIABILITYsoutherntropicalPACIFICsignalpathway.inter

The paleoclimatic events and cause in the Okinawa Trough during 50 kaBP

Planktonic foraminiferal δ18O record for core DGKS9603 from the Okinawa Trough shows a series of climatic fluctuations and sudden cooling events in short time

期刊

OKINAWATROUGHSUDDENPALEOCLIMATICchangeEVENTSpolarityreversalEVENTSLate

The elemental carbon record in Weinan loess section since the last 21 ka

其他学术论文