paleosol相关论文
Loess-Paleosol-Sequences in South Germany - Stratigraphy,Paleoclimate and Connections with River Ter
Loess-paleosol sequencesin South Germany were used to reconstruct the evolution ofthe paleoclimate and the chronology of......
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A tropical paleosol at high elevation in the Yulong Mountains and its implication on the uplift of t
A paleosol dated for about 500-700 kaBP and developed on a glacial deposit at -3 000 in a.s.l. in the Yulong Mountains i......
Correlation of the loess-paleosol sequence on Loess Plateau and the tectonodimatic cycle it reflects with the moraine-pa......
Grain size distribution of bulk loess-paleosol and quartz chemically extracted from the loess/paleosol shows that mean ......
Paleosols in an outcrop of red beds from the Upper Cretaceous Yaojia Formation, southern Songliao Ba
Paleosols in an outcrop of fluvial–lacustrine red beds have been recognized in the Upper Cretaceous Yaojia Formation in......
Geochemistry of a paleosol horizon at the base of the Sausar Group, central India:Implications on at
A paleosol horizon is described from the contact of the Sausar Group(w2400 Ma) and its basement(Tirodi Gneiss; >2500 Ma)......
The summer monsoon evolution recorded by carbon isotope of organic matter from the Yuanbao loess sec
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
To understand and help settle the controversy around the living time of Pinnatiramosus qianensis Geng, a paleo-weatherin......
The occurrence of a grassy vegetation over the Chinese Loess Plateau since the last interglacier: th
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The Pleistocene vermicular red earth in South China signaling the global climatic change: The molecu
The trace molecular fossils identified in the Pleistocene vermicular red earth by using the gas chromatography-mass spec......
Instability characteristics of the East Asian Monsoon recorded by high-resolution loess sections fro
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Formation and Evolution of a Paleosol across the Lower Silurian-Lower Permian Boundary in Zunyi Dist
This paper presents a set of bulk geochemical and mineralogical data from a paleoweathering profile located in Zunyi Dis......
The occurrence of a grassy vegetation over the Chinese Loess Plateau since the last interglacier: th
A series of allochthonous and autochthonous molecular fossils were identified from the Holocene paleosol (S0), Malan Loe......
The summer monsoon evolution recorded by carbon isotope of organic matter from the Yuanbao loess sec
Based on the carbon isotope record of organic matter from the Yuanbao loess section, northwestern China, five enhanced s......
The Pleistocene vermicular red earth in South China signaling the global climatic change: The molecu
The trace molecular fossils identified in the Pleistocene vermicular red earth by using the gas chromatography-mass spec......
The results of TEM investigation indicate that magnetite and maghemite are the major ferromagnetic minerals in loess-pal......
Instability characteristics of the East Asian Monsoon recorded by high-resolution loess sections fro
The selection of high-resolution loess sections is needed in order to determine the climatic variability of the East Asi......
在第四纪古红土中发现了球状粒磁颗粒,经扫描电镜观察认为是超顺磁性颗粒的集合体。透射电镜,X-衍射和矿物磁测证明球粒状磁颗粒由石英......
对甘肃临夏塬堡全新世黄土剖面古土壤有机质碳同位素的分析表明,δ^13C变化范围在-28.23‰~-25.19‰之间,平均值为-26.88‰。结合该剖面......
本文首先对玉龙山东麓不同海拔高度现代表土样品有机碳同位素组成进行研究,探讨土壤碳同位素组成与海拔高度的关系,然后对0.5-0.7MaB.P......
通过野外的宏观研究、室内的化学、磁化率分析及年代测定,认为"丁村组”上覆黄土层的堆积大约从7万年前才开始,"丁村组”的堆积时......
对黄土高原中部的蓝田剖面与黄土高原西部的定西和天水剖面的S1古土壤的化学元素进行了对比。3个剖面的Al-Ti—Zr比值接近,La/Th和Ce......
长江三角洲晚第四纪第一硬粘土层具有裂隙和微裂隙、粘化层和粘粒胶膜、植物根系和植物碎石、土壤结构体和新生体等古土壤特征,应为......
以长江三角洲第一古土壤层作为研究对象,分析古土壤的有机元素组成和变化,并结合微形态及其它分析工作,探讨其记录的古环境信息.结......
PALEOSOLS OF SANDY LANDS AND ENVIRONMENTAL CHANGES IN THE WESTERN PART OF NORTHEAST PLAIN OF CHINA W
PALEOSOLSOFSANDYLANDSANDENVIRONMENTALCHANGESINTHEWESTERNPARTOFNORTHEASTPLAINOFCHINAWESTERNDURINGHOLOCENE¥QiuShanwen(裘善文)LiQus.........
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中生代不仅是地球发展和生命演化的重要阶段,同时也是距离现代最近的典型温室气候期。其中,白垩纪被视为地球历史时期温室气候的最......
详细的古地磁及岩石磁学研究表明磁铁矿和赤铁矿是宝鸡古土壤层S7和黄土层L8的特征剩磁的主要载磁矿物,在稳定的正反极性期间,这两种......
根据渗水实验、孔隙度、粒度、磁化率测定,研究了长武黄土剖面L3~S6土层的渗透性及其成因。研究结果表明,L3,L4,L5和L6黄土层渗透性较强......
PALEOSOLS AND THEIR REFLECTION OF THE ENVIRONMENTAL CHANGES IN THE NORTHEAST REGION OF THE QINGHAI-X
PALEOSOLSANDTHEIRREFLECTIONOFTHEENVIRONMENTALCHANGESINTHENORTHEASTREGIONOFTHEQINGHAI-XIZANGPLATEAU徐叔鹰,潘保田PALEOSOLSANDTHEIRREF.........
PALEOSOLS AND THEIR REFLECTION OF THE ENVIRONMENTAL CHANGES IN THE NORTHEAST REGION OF THE QINGHAI-X
PALEOSOLSANDTHEIRREFLECTIONOFTHEENVIRONMENTALCHANGESINTHENORTHEASTREGIONOFTHEQINGHAI-XIZANGPLATEAU徐叔鹰,潘保田PALEOSOLSANDTHEIRREF.........
[目的]为了使用颗粒大小分形维数定量化描述土壤的物理风化程度。[方法]以分布于辽宁省的古红土为研究对象,利用杨培岭等确定的土......
甘肃靖远曹岘剖面系黄河六级阶地上的黄土堆积,磁性地层学研究结果表明,曹岘黄土堆积始于1.40MaBP。其化学成分以SiO2和Al2O3为主,Fe2O3含量低,CaO含量高;原生碳酸......
通过对关中平原双竹村剖面、寇家坡剖面以及蓝田田家坡剖面、三官庙剖面、长安四府村剖面和宝鸡马家塬剖面黄土沉积中第4层古土壤......
内蒙萨拉乌苏河流域米浪沟湾剖面末次间冰期发育5层古土壤。对这5层古土壤的形态特征、粒度、扫描电镜及化学风化等分析结果表明:(......
长江三角洲南翼全新统下伏的硬粘土层具有粘粒胶膜、土膜结构体、裂隙和微裂隙、植物根系和植物碎屑等古土壤特征,系古土壤。软锰矿......
基准面旋回控制下的河道沉积速率、河道侧向迁移频率、溢岸沉积速率、溢岸暴露时间等是影响冲积平原古土壤发育特征与成熟度的主控......
对各种古土壤的分类标准进行比较之后,重点介绍了Mack的古土壤分类及其土壤的演变序列。Mack主要依据稳定矿物和保存在土壤中的古地......
河北坝上地区位于东亚季风气候边缘区,对气候变化响应敏感。丰宁黄土剖面为研究该区域长时间尺度的环境演化提供了理想材料。通过......
在确认"黄土也是古土壤"的前提下,对新近发现的位于黄土高原西北部的宁夏彭阳剖面进行了磁化率、粒度、色度、CaCO3等环境变化代用......
根据黄土土壤特征的研究和黄土地层古土壤的识别和划分,结合磁化率测定,研究了黄土剖面冷干与温湿条件下发育的古土壤的分层和代表的......
野外调查和室内分析资料表明,黄土高原中部的洛川一带500ka前后发育的第5层古土壤上、下部分层的CaCO3淀积层和部分Fe2O3已迁出了......
在确认“黄土也是古土壤”的前提下,对新近发现的位于黄土高原西北部沙漠黄土边界带的彭阳剖面进行了烧失量、色度、磁化率、粒度......
碳酸盐含量一直被作为指示干旱和季风变化的良好指标,但其发生与夏季风降雨的关系始终没有得到明确的科学证明。通过西北黄土覆盖......
伊利石是我国黄土和古土壤中最主要的粘土矿物。本文选择陕西洛川黄土-古土壤国际典型剖面为研究对象,通过测定伊利石的结晶度(Kub......
对宝鸡地区野外滑坡灾害调查的结果显示,古土壤与黄土交界面对黄土滑坡滑带具有明显的边界效应。为了研究剪切过程中古土壤的力学......