CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
罗布泊红柳沙包落叶阳离子含量及环境指示意义/Positive ion content in organic materials of Tamarix cones and its indication to environmental change in Lop Nur Region[J]
Authors
LI Xiu-li
SHEN Rui-yuan
+8 more
XIA Xun-cheng
ZHAO Yuan-jie
中国科学院新疆生态与地理研究所,新疆乌鲁木齐,830011
夏训诚
李秀丽
沈睿媛
河北师范大学资源与环境科学学院,河北省环境演变与生态建设实验室,河北石家庄05002
赵元杰
Publication date
1 January 2012
Publisher
Abstract
红柳沙包沉积纹层是恢复古环境序列的一种新方法.通过对罗布泊地区红柳沙包沉积纹层中红柳落叶阳离子含量以及与环境变化关系研究表明:K+、Na+、Ca2+、Mg2+等4种阳离子平均含量分别为3.70 mg/g、40.33 mg/g、13.67 mg/g和8.08 mg/g,变化幅度排序为Ca2+>K+>Mg2+>Na+.4种阳离子含量年际变化都较为明显,且变化规律较为一致,4种阳离子含量变化间的相关系数为0.653 0~0.813 8,表现为良好的正相关关系;各种阳离子与4种阳离子总量变化的相关系数为0.8144~0.9599,其中Na+含量与4种阳离子总量变化的相关系数最高,表明可以用Na+含量的变化或阳离子总量的变化分析变化趋势.阳离子含量与气温变化呈良好的正相关、与年降水量和湖水面积变化呈负相关;地下水水位降低、水质变差时,土壤水质也变差,阳离子含量增加;反之,地下水水位升高、水质变好时,土壤水质变好,阳离子含量降低.红柳落叶有机质阳离子含量的变化进一步验证了利用红柳沙包沉积纹层计年的可靠性和对罗布泊环境变化的可行性
Similar works
Full text
Available Versions
Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.xjlas.org:365004/13632
Last time updated on 29/11/2016