青海湖古气候与古环境(英文版)
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作者余俊清 著;科学出版社 编
出版社科学出版社
出版时间2008-01
版次1
装帧精装
上书时间2024-07-02
商品详情
- 品相描述:全新
图书标准信息
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作者
余俊清 著;科学出版社 编
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出版社
科学出版社
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出版时间
2008-01
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版次
1
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ISBN
9787030229090
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定价
150.00元
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装帧
精装
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开本
16开
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纸张
胶版纸
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页数
160页
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正文语种
英语
- 【内容简介】
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《青海湖古气候与古环境(英文版)》以青藏高原东北部六万.0以来的气候与环境演变为主要研究内容,以多学科方法研究获得了青海湖岩芯多项环境指标,并以此为依据,分析和论证了青海湖MIS3、MIS2、末次冰期向全新世过渡时期,以及全新世等各时段的水位与气候变化,及其与东亚季风演变的关联。
- 【目录】
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1Introduction
1.1Aimandscope
1.2Previousinvestigations
1.2.11961-1962expeditionstoLakeQinghai
1.2.2Sino-Swissexpeditionin1985
1.2.31987drill-coreproject
1.2.4Post-1990investigations
1.3PaleoclimatestudyofChina:abriefreview
1.3.1EastAsianmonsoon——themodemclimatesystem
1.3.2EastAsianpaleomonsoon
2Geographic,GeologicalandLimnologicalSettingofLakeQinghai
2.1Geologicalsetting
2.2Geomorphologicalsetting
2.3Geographicsetting
2.3.1Climate
2.3.2Vegetation
2.3.3Riversinthecatchment
2.4Limnologicalsetting
2.4.1Waterchemistry
2.4.2Physicalcharacteristics
2.4.3Biologicalcharacteristics
2.5Peripherallakes
2.5.1LakeErhai
2.5.2LakeGahai
2.5.3HaiyanBay
2.5.4Sand-IslandLake
3InvestigationMethods
3.1Introduction
3.2Fieldinvestigation
3.2.1Seismicprofiling
3.2.2Coring
3.3Laboratoryinvestigation
3.3.1Radiometricdating
3.3.2Magneticsusceptibility:corelogging
3.3.3Totalorganiccarbonandtotalnitrogen,andC/Nratio
3.3.4Macrofossilindicator
3.3.6X-raydiffractionandscanningelectronmicroscopy(SEM)
3.3.7Oxygenandcarbonstableisotopes
3.4Notesoninvestigationmethods
4SeismicInvestigation,LithologieStudyofSedimentCoresandRadiometrieDating
4.1Introduction
4.2Sub-bottomprofilesfromthe3.5kHzseismicinvestigations
4.3Radiometricdating
4.3.1Radiocarbondatingandsedimentationrates
4.3.2pbdatingandsedimentaccumulationrates
4.4Lithologicunits
4.4.1LithologicunitsofcoreQ14B
4.4.2LithologicunitsofcoreQ16C
4.4.3Corecorrelationandboundarydescription
5LakeLevelsandClimateChangeDuringtheHoloeene
5.1Introduction
5.2Resultsandinterpretations
5.2.114Cdatedlithostratigraphy
5.2.2TOC,TNandC/Nratio
5.2.3TCCandcarbonatemineralrecord
5.2.4Fossilseedsfromrootedaquaticplant
5.2.5Ostracodeshellstable-isotopicrecord
5.2.6Pollenrecord
5.2.7Magneticsusceptibility
5.3Holocenelakelevelsandclimatereconstruction
5.4Acorrelationwithproxyrecordsfromotherstudies
5.5HoloceneclimatevariabilityofEastAsia
5.5.1EarlyHoloceneclimateregime
5.5.2Mid-HoloceneclimateandHoloceneOptimum
5.5.3LateHoloceneclimate
5.5.4ClimateforcingandfeedbacksduringtheHolocene
5.6Summaryandconclusions
6AbruptChangesinClimaticConditionsAcrosstheLateglacial/HoloeeneTransition
ontheNEQinghai-TibetPlateau
6.1Introduction
6.2Resultsfromamulti-proxyinvestigationoncoresQ14BandQ16C
6.2.1Distinctlithostratigraphicunits
6.2.2Paleobotanicevidence
6.2.3Corelogsofmagneticsusceptibility
6.2.4Carbonatecontentandmineralogicalrecord
6.2.5Oxygenstable-isotopicrecord
6.2.6Totalnitrogencontent
6.3Reconstructionoflakelevelsandlimnologicalconditions
6.4Abruptshiftsinhydro-climaticconditions
6.5CorrelationwithotherpaleoenvironmentalrecordsinChina
6.6Conclusions
7PaleoenvironmentalSignaturesfromCarbonateMineralsandStableIsotopicRatiosfromLakeQinghai
7.1Introduction
7.2Moderncarbonateenvironments
7.3Carbonatemineralsinthesedimentcores
7.4LakeQinghaidolomiteandinferredpaleoenvironment
7.4.1Lithology,mineralogy,organiccarbonandnitrogen,andisotopiccomposition
7.4.2Geochemicalandpaleoenvironmentalconditionsforthedolomiteformation
7.5Brineevolutiondeducedfromthecarbonatemineralrecord
7.5.1Mg/Caratio
7.5.2Carbonateproductionandsalinity
7.6Stableisotopicratiosandtheircovariance
7.6.1Isotopiccovariance
7.6.2IsotoperesultsfromLakeQinghai
7.6.3Discussion
7.7Summaryandconclusions
8PaleoenvironmentandPaleoclimateConditionsDuringtheMarineIsotopicStage3andtheLastGlacialMaximum
8.1Introduction
8.2Resultsandinterpretations
8.2.1SeismicreflectionProfileNo.1
8.2.2SedimentcoreQ87
8.2.3AMS14CdatingandanalyticalmeasurementsofQ87
8.2.4Carbonatemineralrecord
8.2.5Totalorganiccarbon,totalnitrogenandC/Nratio
8.3ClimaticconditionsattheMIS3andtheLGM
8.4Correlationwithotherproxyrecordsintheregion
8.4.1TheMarineIsotopeStage3(MIS3)
8.4.2TheLastGlacialMaximum(LGM)
8.4.3Correlationwithglaciationrecords
8.5Summaryandconclusions
References
Acknowledgments
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