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paleo climate
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  “paleo climate”译为未确定词的双语例句
     RECONSTRUCTION OF PALEOVEGETATION AND PALEOCLIMATE OF HOLOCENE HYPSITHERMAL IN THE HEMUDU REGION
     RECONSTRUCTION OF PALEOVEGETATION AND PALEOCLIMATE OF HOLOCENE HYPSITHERMAL IN THE HEMUDU REGION
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     AN ATTEMPT OF QUANTITATIVE ESTIMATES OF PALEOCLIMATE USING RARE-EARTH ELEMENTS
     AN ATTEMPT OF QUANTITATIVE ESTIMATES OF PALEOCLIMATE USING RARE-EARTHELEMENTS
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     Paleoclimate Change from 26.5kaB.P. to 24.1kaB.P. in Chongqing Area Based on High Resolution SM1 Stalagmite Record
     重庆地区26.5kaB.P.~24.1kaB.P.高分辨石笋气候记录
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     (3) The variation of strontium and oxygen isotope compositions show that from the upper Es_4 to the upper Es_3 member, the paleoclimate was humid in the Dongpu depression, and rainfall gradually increased, which resulted in a decrease of δ 18O and increase of 87Sr/ 86Sr;
     (3)锶和氧的同位素变化特征表明:东濮凹陷在由Es4上段向Es3上段过渡时气候较为湿润,降雨量逐渐增大,导致δ18O的降低和87Sr/86Sr值的升高;
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     There were obvious para cycles of 3.5Ka, 1Ka and 0.25Ka for paleoclimate variation.
     气候波动明显存在 3.5Ka,1 Ka及 0 .2 5Ka的准周期。
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  相似匹配句对
     Correlation of Paleo-climate Change Attractor Dimension
     古气候变化吸引子维数对比研究
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     Characteristics of Holocene paleo-climate in Lantian,Shaanxi,China
     陕西蓝田全新世古气候演化特征
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     Atmosphere and Climate
     大气层和气候
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     Climate and Agriculture
     气候与农业
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     An overview of the paleo-ENSO
     古ENSO的研究进展
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  paleo climate
The paleo-climate record of mountain glaciers in equatorial Africa Daniel O.
      
Stable isotope geochemistry has become a key tool in paleo-climate and paleo-oceanographic reconstruction.
      
One of the strongest pieces of evidence for a prevalent influence from the Sun on the climate has come from recent paleo-climate analyses.
      
Evidence from paleo-climate history shows that such cut-off has occurred in the past.
      
Both paleo-climate records and models suggest that changes in the strength of the THC can occur very rapid, within a few decades.
      


In this paper,surface diatom samples of 131 have been analysed by using HCl and H_2O_3 for the abysmal samples and the samples from the continental shelfs.Distinguished were 191 species,of which 10 common species are in detail discussed on their distributed ranges and the various numbers with changes of environmental factors such as depth,temperature and salinity etc..The results show that the depth has a marked effect on the distribution of benthic species, but plays a less important role in the planktonic...

In this paper,surface diatom samples of 131 have been analysed by using HCl and H_2O_3 for the abysmal samples and the samples from the continental shelfs.Distinguished were 191 species,of which 10 common species are in detail discussed on their distributed ranges and the various numbers with changes of environmental factors such as depth,temperature and salinity etc..The results show that the depth has a marked effect on the distribution of benthic species, but plays a less important role in the planktonic species;temperature and salinity exert a tre- mendous influence on both kinds of species. Climatic changes of Quaternary glacial and interglacial periods resulted in many times of transgression and regression in the coast region of China.The research on paleogeography,paleo- climate,sea level fluctuation and division of Quaternary sediments is an important content of the diatom analysis based on changes of the components of the diatoms from the column section. Diatoms from the Quaternary core in the mouth of Minjiang River,Fujian have been studied and 4 diatom assemblages have been distinguished repressenting 4 periods of paleogeographic phases of continent-sea and continental transition-shallow sea-intertide zone, of which the first period may be dated as the late Late Pleistocene and other periods as the early,the middle and the late Holocene respectively. The diatoms from the reworked sediments often have broken valves and dirty surface.Be- cause the ecological environment that diatoms from the reworked sediments require does not tally with that of today,these diatoms should be producer of lower sea level in the late Pleisto- cene.

本文详细研究了中国海表层沉积物中的常见化石硅藻,结果表明,这些种的分布范围及数量变化随环境的不同而变化。因此,根据柱状样品中这些种类数量的变化,能够推断古气候变化,恢复古地理环境,再现海平面波动历程,进而划分、对比第四系地层。

During the Quaternary Period, there buried seven-stages of paleochannels, corresponding to the tectonic movement, the alteration of paleoclimate and the fluctuation of the sea level. The paper illustrates that the strikes of the deep-cut basement river valleys controlled the formation and development of the buried channels, and that the alternation of th paleo- climate governed the migration, the extending and shortening as well as the burial of the river valleys. Besides, the paper pointes out that...

During the Quaternary Period, there buried seven-stages of paleochannels, corresponding to the tectonic movement, the alteration of paleoclimate and the fluctuation of the sea level. The paper illustrates that the strikes of the deep-cut basement river valleys controlled the formation and development of the buried channels, and that the alternation of th paleo- climate governed the migration, the extending and shortening as well as the burial of the river valleys. Besides, the paper pointes out that the study of the the evolution of the paleo- channels is not only of theortical importance but also of economic significance for the supply of water for the cities in this area and the continental shelf beyond the mouth of the Yangtse River.

在第四纪时期,上海及长江口由于地质构造、古气候、海面升降等综合作用,第四纪沉积层中与之相适应的埋盖了七期古河道。文中指出埋盖古河道的形成与发育是因袭了基底深切沟谷的走向。古河道的摆动、延缩、埋盖,是受古气候冷热交替制约。文中还指出研究埋盖古河道的演变规律,不仅对上海及长江口变化、海陆变迁有着指导意义,而且对城市供水及长江口外大陆架供水有着重大经济意义。

A special structure , pipe hole-filled pillar , has been found at the top of Fentai Group in North Anhui , Someone thought it to be worm fossil or suffosion hole of marine animal and then inferred thet Fantai Group belongs to marine sedimentation in Cambrian Period . Result fram the research by author indicates that pipe hole-filled pillar was formed through weathering dissolutionsedimentatian and filling in the Condition of the earth's surface or subsurface after rock-forming of Fentai Group. It is nonbiological...

A special structure , pipe hole-filled pillar , has been found at the top of Fentai Group in North Anhui , Someone thought it to be worm fossil or suffosion hole of marine animal and then inferred thet Fantai Group belongs to marine sedimentation in Cambrian Period . Result fram the research by author indicates that pipe hole-filled pillar was formed through weathering dissolutionsedimentatian and filling in the Condition of the earth's surface or subsurface after rock-forming of Fentai Group. It is nonbiological origin and can not be used in determining stratum age and negating the glacial origin of Fentai Group, ft is very significant, however to state the environment of paleogeography , paleo climate and paleostructure when pipe hole-filled pillar formed .

在皖北上震旦统凤台组顶部发现一种特殊构造——管柱石。有人认为它是“蠕虫化石”、“海生动物潜穴”,并进而推断凤台组应属寒武纪的海相沉积。本研究结果认为管柱石系在凤台组成岩后,在地表或近地表环境下,经风化、溶蚀——沉积、充填而形成。非生物成因。不能用以确定地层时代,也不能籍以否定凤台组的冰川成因。虽然如此,它对说明其本身形成时的古地理、古气候和古构造环境还是很有意义的。

 
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