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Article: Environmental records of lacustrine sediments in different time scales: Sediment grain size as an example

TitleEnvironmental records of lacustrine sediments in different time scales: Sediment grain size as an example
Authors
KeywordsEnvironmental record
Grain size
Lacustrine sediment
Time scale
Issue Date2004
Publisher中國科學院. The Journal's web site is located at http://jdxg.chinajournal.net.cn/
Citation
Science In China, Series D: Earth Sciences, 2004, v. 47 n. 10, p. 954-960 How to Cite?
AbstractSediment grain size is a conventional proxy of climatic changes. Larger sediment grain size is often interpreted to indicate dry climate during lower lake level while smaller sediment grain size implies wet climate during higher lake level. Through detailed study on sediment grain sizes in Lake Erhai and Lake Chenghai, this paper reveals the different indication significances of sediment grain sizes in different time scales, different resolution investigations. For long time-scale and low resolution (102a or 103a) studies, larger sediment grain size indicates lower lake level, smaller lake area and drier climate while smaller sediment grain size indicates higher lake level, larger lake area and wetter climate. For short time-scale and high resolution (a or 10a) studies, larger sediment grain size reflects more rainfall and wetter climate while smaller sediment grain size reflects less rainfall and drier climate. Environmental information revealed by lacustrine sediment records is often different in different time scales because of the variance of sedimentation resolution, sampling resolution and dating precision. Therefore, paleoclimate implications of environmental proxies in long time-scale and low resolution investigations could not be mechanically applied to short time-scale and high resolution studies. Only after synthetically analyzing the influence manner and extent of all factors on the sediment records in different time scales, can credible conclusions be obtained. Copyright by Science in China Press 2004.
Persistent Identifierhttp://hdl.handle.net/10722/86377
ISSN
2011 Impact Factor: 1.588
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, Jen_HK
dc.contributor.authorWan, Gen_HK
dc.contributor.authorZhang, DDen_HK
dc.contributor.authorZhang, Fen_HK
dc.contributor.authorHuang, Ren_HK
dc.date.accessioned2010-09-06T09:16:05Z-
dc.date.available2010-09-06T09:16:05Z-
dc.date.issued2004en_HK
dc.identifier.citationScience In China, Series D: Earth Sciences, 2004, v. 47 n. 10, p. 954-960en_HK
dc.identifier.issn1006-9313en_HK
dc.identifier.urihttp://hdl.handle.net/10722/86377-
dc.description.abstractSediment grain size is a conventional proxy of climatic changes. Larger sediment grain size is often interpreted to indicate dry climate during lower lake level while smaller sediment grain size implies wet climate during higher lake level. Through detailed study on sediment grain sizes in Lake Erhai and Lake Chenghai, this paper reveals the different indication significances of sediment grain sizes in different time scales, different resolution investigations. For long time-scale and low resolution (102a or 103a) studies, larger sediment grain size indicates lower lake level, smaller lake area and drier climate while smaller sediment grain size indicates higher lake level, larger lake area and wetter climate. For short time-scale and high resolution (a or 10a) studies, larger sediment grain size reflects more rainfall and wetter climate while smaller sediment grain size reflects less rainfall and drier climate. Environmental information revealed by lacustrine sediment records is often different in different time scales because of the variance of sedimentation resolution, sampling resolution and dating precision. Therefore, paleoclimate implications of environmental proxies in long time-scale and low resolution investigations could not be mechanically applied to short time-scale and high resolution studies. Only after synthetically analyzing the influence manner and extent of all factors on the sediment records in different time scales, can credible conclusions be obtained. Copyright by Science in China Press 2004.en_HK
dc.languageengen_HK
dc.publisher中國科學院. The Journal's web site is located at http://jdxg.chinajournal.net.cn/zh_HK
dc.relation.ispartofScience in China, Series D: Earth Sciencesen_HK
dc.subjectEnvironmental recorden_HK
dc.subjectGrain sizeen_HK
dc.subjectLacustrine sedimenten_HK
dc.subjectTime scaleen_HK
dc.titleEnvironmental records of lacustrine sediments in different time scales: Sediment grain size as an exampleen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0036-8237&volume=47&issue=10&spage=954&epage=960&date=2004&atitle=Environmental+records+of+lacustrine+sediments+in+different+time+scales:+Sediment+grain+size+as+an+exampleen_HK
dc.identifier.emailZhang, DD:zhangd@hkucc.hku.hken_HK
dc.identifier.authorityZhang, DD=rp00649en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1360/03yd0160en_HK
dc.identifier.scopuseid_2-s2.0-22444434006en_HK
dc.identifier.hkuros106289en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-22444434006&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume47en_HK
dc.identifier.issue10en_HK
dc.identifier.spage954en_HK
dc.identifier.epage960en_HK
dc.identifier.isiWOS:000225425300010-
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridChen, J=9271425900en_HK
dc.identifier.scopusauthoridWan, G=35328433400en_HK
dc.identifier.scopusauthoridZhang, DD=9732911600en_HK
dc.identifier.scopusauthoridZhang, F=7404968786en_HK
dc.identifier.scopusauthoridHuang, R=8908186400en_HK

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