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第四纪环境
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  quaternary environment
     The Background Research on The Quaternary Environment of China's Disasters
     中国区域灾害的第四纪环境背景研究
短句来源
     PALEOSOLS AND QUATERNARY ENVIRONMENT IN CHINA
     中国古土壤与第四纪环境
短句来源
     Therefore, the deep study of quaternary environment of this area is of greatimportance in science and realism.
     因此,对这一地区的第四纪环境进行深入的研究,不仅具有较高的科学价值,还具有深远的现实意义。
短句来源
     NEW RECOGNITIONS OF QUATERNARY ENVIRONMENT IN THE NORTHWEST TIBETAN PLATEAU
     青藏高原西北部第四纪环境的新认识
短句来源
     Quaternary Environment of Loess Plateau and Soil and Water Conservation
     黄土高原的第四纪环境与水土保持研究
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  quaternary environmental
     Discuss on Some Problems of Quaternary Environmental Changes in Xinjiang
     新疆第四纪环境演变若干问题的探讨
短句来源
     QUATERNARY ENVIRONMENTAL EVOLUTION AND DESERTIFICATION IN NORTH CHINA
     第四纪环境演变与中国北方的荒漠化
短句来源
     Late Quaternary Environmental Evolution in the Bohai Sea Area and Formation of Quaternary Subsurface Brine
     渤海地区晚第四纪环境演化与第四纪滨海相地下卤水的形成
短句来源
     THE QUATERNARY ENVIRONMENTAL EVOLUTION AND THEPROBLEM OF DESERTIFICATION IN NORTHEAST PLAIN
     东北平原第四纪环境演化与荒漠化问题
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     THE QUATERNARY ENVIRONMENTAL BACKGROUND OF DEBRIS FLOW EVOLUTION IN EASTERN CHINA AND THE MEASUREMENT FOR HAZARDS MITIGATION
     中国东部山地泥石流发育的第四纪环境背景及减灾对策
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  “第四纪环境”译为未确定词的双语例句
     ENVIRONMENT FEATURES OF YINCHUAN BASIN IN LATE QUATERNARY PERIOD
     银川盆地晚第四纪环境特征
短句来源
     The Old Red Sands" along the Coast of Southeast Fujian and Environmental Evolution During Late Quaternary
     闽东南沿海老红砂与晚第四纪环境演变
短句来源
     On the basis, the paper analyzes the environmental background of Quaternary Period, especial the influence of climatic changes in Quaternary Province to the nature disaster, such as drought and flood disaster, geological disaster, geomorphologic disaster.
     在此基础上,对自然灾害的第四纪环境背景进行了分析,着重分析了第四纪的气候变化对各种自然灾害——旱涝灾害、地质灾害、地貌灾害的影响。
短句来源
     STUDY ON THE GEOMORPHOLOGY AND QUATERNARYGEOLOGY OF THE ASHIKULE BASIN, MIDDLEKUNLUN MOUNTAINS
     中昆仑山阿什库勒盆地地貌与第四纪环境问题
短句来源
     Environmental problems broadly and substantially affect human societies in the current and in the future.
     环境问题是关系人类社会的全面问题和应当涉及的人类未来的现实问题 ,它要求第四纪环境工作者思考自己的科学问题时具有强烈的社会意识。
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  quaternary environmental
The new basic theory on Quaternary environmental research
      
Late Quaternary environmental changes in the Lagoa da Curu?a region (eastern Amazonia, Brazil) and evidence of Podocarpus in the
      
Late Quaternary environmental changes inferred from small mammalian fauna, southern Africa
      
A method for the study of quaternary environmental evolution of the Loess Plateau in China
      
The deposits are correlated and their climatic signal is interpreted to provide a first modern assessment of Quaternary environmental change in the Maltese Islands.
      
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Quaternary period is the time when mankind and civilization develop. As a result of mah's activities on nature, the balance between mankind and nature is soon lost since the agricultual society. Increasing global temperature, a rise of sea water level, geological catastrophes and damage of basic environmental resources result in an ominous appearance of living crisis of mankind. Quaternary study is based on deep-sea cores, loess and polar region ice as well as application of chronological methods. The study...

Quaternary period is the time when mankind and civilization develop. As a result of mah's activities on nature, the balance between mankind and nature is soon lost since the agricultual society. Increasing global temperature, a rise of sea water level, geological catastrophes and damage of basic environmental resources result in an ominous appearance of living crisis of mankind. Quaternary study is based on deep-sea cores, loess and polar region ice as well as application of chronological methods. The study could provide historical reference system for understanding our planet today and predicting the regularity in time, space and strength of the future environment and geological events. The climate 18 000 years ago, the middle Holocene Hypsithermal (climatic optimum) and little ice age in 17th century are important in Quaternary study.

第四纪是人类及其物质文明形成发展时代.从农业社会以来,人类以比自然严重威胁着人类演化快若干倍速率干预自然界,人与自然之问的平衡在加速破坏,不利的后果正严重威胁着人类.由于全球增温.海面上升,地质灾害.基础被环境资源损害,已出现孕育人类生存危机的前兆.第四纪研究因深海沉积、黄土和冰岩心的研究、年代学方法的应用已提高到一新水平.将近论未来已成为推动第四纪研究的新动力.第四纪历史可以为环境地质事件研究提供了解现状、预测本来事件发生时间、空间和强度规律的历史参考系统.距今1.8万年前气候、中全新世高温期(气候最宜期)和十七世纪小冰期研究,有重要的理论和应用价值.第四纪是环境地质研究的重要时代.

Paleosols of China are divided into buried and relict soils. The buried soils in high-cold region of Tibet Plateau, which are characterized by compact structure, gaily colour, intensive weathering and iron-stained matrix as micromorphological feature, are mostly reserved in tills. In the arid and semi-arid regions of northwest China several layers of buried soils are found within aeolian loess sediments from early to late Pleistocene series due to deep deposition of the loess. In addition, relict soils also...

Paleosols of China are divided into buried and relict soils. The buried soils in high-cold region of Tibet Plateau, which are characterized by compact structure, gaily colour, intensive weathering and iron-stained matrix as micromorphological feature, are mostly reserved in tills. In the arid and semi-arid regions of northwest China several layers of buried soils are found within aeolian loess sediments from early to late Pleistocene series due to deep deposition of the loess. In addition, relict soils also occur in the region. Buried soils are dominant in north part of east monsoon region, while in the south part (Qionglei region) can be found paleosols on red weathering crust. The greater changes among the paleosols in the three regions during Quaternary can be compared.

中国古土壤现分为埋藏土和残余土两大类。青藏高原高寒区的埋藏土多保存在冰碛物中,具有结构紧密,颜色较为鲜艳,风化程度较深,其微形态呈不同形式铁染基质的特征;西北干旱、半干旱区由于黄土沉积深厚,在早更新统到晚更新统的黄土地层中常见有多层埋藏土,另外该地区尚有残余土的出现;东部季风区的北部埋藏土较发育,而南部琼雷地区可见到不同时代红色风化壳发育的古土壤。这些古土壤在第四纪时期大尺度变化上是可以相互比较的。古土壤是一个较稳定的地理环境因素。其特征和空间分布状况可阐明第四纪环境的变迁,用来推断古气候的演变,新构造运动的强度,地形的改变和植被的演替。为了推动古土壤学研究,适应大系统环境科学研究的需要,必须采用综合研究方法,突出青藏高原、黄土高原和东部季风区古土壤的研究,加强与第四纪有关学科的相互渗透。

The cause-formation of tectonic-glaciation of Hanas lake andthe change of the lake in late of Quaternary is discussed.The exi-stence of a larger ancient lake is demonstrated.The environmentalchange around the lake is proved as: the climate was warm and hu-mid in early Pleistocene, in middle Pleistocene,the climate becamecold, large area of glaciers began todevelon in the mountains,Afterthen, the glaciers retreated continuely, which means that the climatebecame dry gradually. The new proof of dividing of the...

The cause-formation of tectonic-glaciation of Hanas lake andthe change of the lake in late of Quaternary is discussed.The exi-stence of a larger ancient lake is demonstrated.The environmentalchange around the lake is proved as: the climate was warm and hu-mid in early Pleistocene, in middle Pleistocene,the climate becamecold, large area of glaciers began todevelon in the mountains,Afterthen, the glaciers retreated continuely, which means that the climatebecame dry gradually. The new proof of dividing of the glacial epo-ch and the new division of six glacial epoches in Hanas river basinis given.

通过对哈纳斯湖成因及湖周第四纪环境变化的研究表明:晚更新世早期存在古哈纳斯湖;哈纳斯湖周在早更新世气侯较温暖、湿润,中更新世气候变冷,开始大面积发育冰川,晚更新世至全新世,冰川不断退缩,标志气侯不断变干。并提出了哈纳斯河流域冰期划分的新依据和划分方案。

 
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