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climate variability
相关语句
  气候变率
    CLIMATE VARIABILITY AT MILLENNIAL TIME SCALES
    千年尺度气候变率的研究
短句来源
    Significant progress has been made in studies on climate variability at millennial time scales during the last quarter of the 20th century. The following issues of the progress are outlined: (1) δ 18 O variations of Greenland ice core, and sediment data in lakes and in the North Atlantic Ocean show predominance of 1.5ka cycles during the last glacial period;
    2 0世纪后期 ,千年 (ka)尺度气候变率的研究取得了重要的进展 ,这表现在以下几个方面 :(1)格陵兰冰芯及深海沉积证明 ,在末次冰期中普遍存在平均周期为 1 5ka的循环 ,有人认为全新世也存在这种循环 ,小冰期就是最近一个循环的冷期。
短句来源
  “climate variability”译为未确定词的双语例句
    RAPID CLIMATE VARIABILITY RECORDED BY MOLLUSK SPECIES ON THE LOESS PLATEAU DURING THE LAST GLACIAL MAXIMUM
    末次盛冰期黄土高原蜗牛化石记录的气候快速变化及其影响机制
短句来源
    The simulation results suggest that the snow and glacier environment over the Tibetan Plateau is an important factor for Holocene climate variability in North Africa, South Asia and Southeast Asia.
    IAP9L-AGCM1的模拟结果显示夏季印度北部、中国北部和蒙古南部降水显著下降,而东南亚的夏季降水增加。
短句来源
    It has been revealed that decadal to millennialscale climate variability is a global phenomenon, which was not limited to the ice cores and high latitudes of the North Atlantic, but also extended to other oceans such as the tropical Pacific and other parts of the globe.
    研究发现,千年、百年尺度的古气候事件具有全球性,不仅见于冰芯和北大西洋高纬区,也发生在热带太平洋等其它海区和地球的其它部分;
短句来源
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  climate variability
Seasonal and nonstationary nature of European climate variability in the twentieth century
      
Influence of oceanic inflow to the Barents Sea on climate variability in the Arctic region
      
Carbon isotopes as a tool for reconstructing ancient climate variability
      
The relationship between the thermohaline circulation and climate variability
      
Some fundamental atmospheric variables including surface air temperature (SAT), sea level pressure (SLP) and precipitation are examined to evaluate the ability of the GOALS model to simulate the contemporary climate and climate variability.
      
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In this paper the generalized spore-pollen scheme and the temperature curve of the studied region since the Last Pleistocene are constructed based on analysis of the spore-pollen from ten drill holes, According to the climate variation, the pas t 1200011 yea rs are divided in to three s tages, seven clima tic periods, with wh-ich ten more climatic fluctuations are contained, and the overall amplitude of te-mperature changes is about 10 degrees een tigrade. The com parison of this curve with otlier tvpical climate...

In this paper the generalized spore-pollen scheme and the temperature curve of the studied region since the Last Pleistocene are constructed based on analysis of the spore-pollen from ten drill holes, According to the climate variation, the pas t 1200011 yea rs are divided in to three s tages, seven clima tic periods, with wh-ich ten more climatic fluctuations are contained, and the overall amplitude of te-mperature changes is about 10 degrees een tigrade. The com parison of this curve with otlier tvpical climate curves in china and abroad illustrates that the I'alaco climate variability is glohal.

本文通过近十个钻孔孢粉分析结果的综合对比研究,建立起该地区晚更新世以来的综合孢粉图谱,绘制出气温曲线。把12万年以来的古气候分为三个阶段、七个气候期,包含有10个以上的主要气候波动。整个气温变化幅度在10℃左右。这条气候曲线与国内外典型气候曲线对比,说明了古气候变化具有全球性。

The Past Global Changes (PAGES) Project has designed on the palaeoclimate and palaeoenvironment reconstruction of two temporal temporal, one of which is the last 2 000 years with the time resolution of at least deadal, and ideally annual or seasonal. Recently the Intersection of PAGES and CLIVAR has focused much attention on the diagnostic study of the climate variability on the basis of the palaeoclimate information of centural-to-millennial scales from the detailed high-resolution proxy records such...

The Past Global Changes (PAGES) Project has designed on the palaeoclimate and palaeoenvironment reconstruction of two temporal temporal, one of which is the last 2 000 years with the time resolution of at least deadal, and ideally annual or seasonal. Recently the Intersection of PAGES and CLIVAR has focused much attention on the diagnostic study of the climate variability on the basis of the palaeoclimate information of centural-to-millennial scales from the detailed high-resolution proxy records such as tree-rings, corals and ice-cores etc. Only by mis way could the understanding of the variability be promoted. There are abundant historical documents in China, and many achievements have ho obtained. The study of the Guliya ice core from the West Kuulun Range has established the curves of the climate change in the past 2000 years from the annual-resolved information of δ18O, glacial accumulation micro-particles and Caetc.The tree-ring research has been condueted by several groups, and a few curves of severel-centural dendroclimate have been produced. Coral study is still on its immature in China. In general, the sparse data and the absence of multi-disciplinary study have given rise to that the research on climate and environment of the past 2000years is still weak in China. In the recent several years, a series of international symposiums, such as the workshop on The Medieval Warm Period in 1991, the workshop on the high-resolution of past climate climate from monsoon Asia, and the workshop on the palaeoclimate and environmental variability in Anstral-Asian Transect during the past 2000 years held in 1995 etc, have greatly endeavored to promote the study of palaeomonsoon, ENSO and other high-resolution climatic events. What we must do at present is to establish regionally the high-resolution palaeoclimate and environmental series during the past 2000 years. The intimately joint cooperation in all aspects and much more financial support are necessary to promote this study tO a higher status.

本文简要综述高分辨率近2000年气候与环境变化研究在PAGES中的重要性。PAGES/CLIVAR交岔报告指出的气候变率的诊断研究倚赖于树轮、珊瑚、冰芯等高分辨率代用资料所提供的详细古气候讯息。近来多次有关的国际会议将大大促进这方面研究。我国从丰富的历史文献资料提取的古气候讯息取得很大成功,近年冰芯和树轮研究亦有重要进展,但总体上看比较薄弱,需要大力加强,通力合作,加快步伐,以适应全球变化研究的需要。

A high resolution terrestrial mollusk record from the Chinese Loess Plateau has been studied to study climate variability during the last glacial maximum (LGM). The studied section is located at Weinan, Shaanxi Province, in the southern Loess Plateau. In this study, a total of 81 samples with a sampling interval of 3 cm were analyzed for fossil mollusks of the LGM. Each sample weights about 15 kg, which was washed and sieved through a 0.5 mm mesh in the field. Fifteen species of terrestrial mollusk fossils...

A high resolution terrestrial mollusk record from the Chinese Loess Plateau has been studied to study climate variability during the last glacial maximum (LGM). The studied section is located at Weinan, Shaanxi Province, in the southern Loess Plateau. In this study, a total of 81 samples with a sampling interval of 3 cm were analyzed for fossil mollusks of the LGM. Each sample weights about 15 kg, which was washed and sieved through a 0.5 mm mesh in the field. Fifteen species of terrestrial mollusk fossils were identified. Of them, six typical species with distinct ecological significance were selected to infer climate and environmental changes. The successions of mollusk species reflect the variations of the LGM climate in the Loess Plateau and the relationships between temperature and precipitation. At least four times of sharp climate changes occurred at this period with the characteristic of millennia scale fluctuations. The changes in temperature and precipitation were evidently not in phase during the LGM. Temperature decreases or increases is leading precipitation. Consequently, the climate in the Weinan region experienced cold wet, cold dry, temperate dry, and temperate humid condition during the last 22?000aB.P., which is attributed to the effect of winter and summer monsoon interactions on the loess region. Our results also suggest that the East Asian summer monsoons could reach the southeast part of the Loess Plateau during the whole LGM. The intensification of winter monsoons during the LGM led to short duration of summer monsoons annually impacting on the Loess Plateau, but the intrinsic intensity of summer monsoon would have not changed significantly, that ensured thermo hydrological conditions for temperate humidiphilous mollusks to persistently grow and develop in the glacial age.

本文通过对渭南黄土剖面末次盛冰期地层较高分辨率的蜗牛化石记录研究 ,发现这一时期特征蜗牛种类峰值的演替反映了古气候的演化过程和温、湿度的组合关系 ,气候变化显示出百年~千年尺度波动的特征 ,温度的变化明显地要早于湿度 (降水 )的变化 1 0 0 0~2 0 0 0a ,表现为变冷 -冷湿 -冷干 -温干 -温湿的气候过程 ,研究认为造成这一气候特点的原因是东亚冬、夏季风共同作用的结果。对喜温湿蜗牛种类的研究 ,揭示出东亚夏季风在这一时期至少能够持续地影响到黄土高原的东南部地区 ,这个时期冬季风强化的结果之一是影响了夏季风在这一地区滞留的时间 ,加大了季节性的差异。分析表明尽管夏季风在这一地区滞留的时间缩短 ,但维持了它固有的强度 ,提供了适量的水热条件供喜温湿蜗牛种类在这一寒冷阶段持续地生长和发育

 
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