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arctic region
相关语句
  北极
    THE EXPERIMENT STUDY OF BOUNDARY LAYERPHYSICAL PROCESS IN ARCTIC REGION
    北极边界层物理过程的考察与研究
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    The preliminary results show that they both have obvious interrelationship. The maximum value of the lag correlation is found between southern oscillations months earlier (I region, +0.43) and 39 months later (all the Arctic region, + 0.38) . Statistics of the Arctic ice positive departure years and negative departure years also confirms the characteristics.
    初步结果表明,北极各区海冰与南方涛动之间均存在明显的相关关系,时滞相关的最大值从南方涛动早于海冰7个月(Ⅰ区,+0.48)到晚于海冰39个月(整个北极,+0.38)不等,对北极海冰正距平年和负距平年的统计结果也证实了这些相关特点。
短句来源
    The characters in the distribution and Seasonal cycle of arctic Sea ice are Simulated by this model using some climate data at arctic region.
    取北极区大气和有关场的气候资料,由该模式模拟了北极海冰空间分布和季节变化循环特征。
短句来源
    Polar regions are key areas in the study of global change. The marine geology issues related to global change in Arctic Ocean are mainly the effects of the geographic changes in Arctic region on global change and their records in stratum.
    极地区域是全球变化研究的重点区域 ,在北极地区与全球变化有关的地质问题主要是北极地区的海陆变化对全球变化的影响 ,以及全球变化在地层中的记录。
短句来源
    It is concluded from this study that the sea ice is supposed to further decrease along with the climatic warming in the arctic region, and the phenomena of subsurface warm water will remarkedly increase, in turn, the strong response and feedback of the ocean will cause significant impact on the global climatic changes.
    按照本文的结论,随着北极气候变暖,海冰将进一步减少,次表层暖水现象还会明显增加,海洋对气候变化将有更加强烈的响应和反馈,对全球气候变化产生意义深远的影响。
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  “arctic region”译为未确定词的双语例句
    In Kashmir, the bed E1 (Claraia bioni zone) of Guryul Ravine section is correlated with the Claraia cf. bioni bed of Huangzhishan section based on bivalves. In the Arctic region the bed of Otoceras concavum zone is most probably corresponding to the ammonite Hypophiceras zone of Meishan.
    bioni层,此层也可与克什米尔Guryul Ravine剖面E_1层(Claraia bioni带)对比;
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  arctic region
Peoples of the arctic region and the short peoples of the equatorial regions are less dimorphic in stature than midlatitude peoples.
      
Very closely related plants to the new taxon are known from Central Siberia and from the Arctic region.
      
Carex bigelowii complex is a group of taxa distributed over the whole Arctic region and in the mountains of the temperate zone.
      
A small portion of Hg emissions in Eurasia and North America is deposited in the Arctic region, perhaps 60 to 80 t annually.
      
The attenuation model is used to explain the evolution of the Arctic region.
      
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Using the data of the Arctic ice index and southern oscillation Index (SOI)for 1953?984, the time-lag correlation is analysed between the Arctic ice coverage and southern oscillation. Statistics is obtained for the average frequency of southern oscillation Index in the positive departure years and negative departure years of the Arctic ice index.The preliminary results show that they both have obvious interrelationship. The maximum value of the lag correlation is found between southern oscillations...

Using the data of the Arctic ice index and southern oscillation Index (SOI)for 1953?984, the time-lag correlation is analysed between the Arctic ice coverage and southern oscillation. Statistics is obtained for the average frequency of southern oscillation Index in the positive departure years and negative departure years of the Arctic ice index.The preliminary results show that they both have obvious interrelationship. The maximum value of the lag correlation is found between southern oscillations months earlier (I region, +0.43) and 39 months later (all the Arctic region, + 0.38) .Statistics of the Arctic ice positive departure years and negative departure years also confirms the characteristics.

本文根据1953~1984年的北极海冰覆盖面积指数和南方涛动指数资料,分析了北极各海区海冰覆盖量与南方涛动的时滞相关关系,统计了北极海冰正距平年和负距平年南方涛动指数的平均情况。初步结果表明,北极各区海冰与南方涛动之间均存在明显的相关关系,时滞相关的最大值从南方涛动早于海冰7个月(Ⅰ区,+0.48)到晚于海冰39个月(整个北极,+0.38)不等,对北极海冰正距平年和负距平年的统计结果也证实了这些相关特点。

A climate model including explicitly hydrological cycle and sea ice physics is presented,and is mainly used to study how the climate factors existing in atmosphere'ocean and sea ice affect the seasonal cycle of the sea ice area. It is shown that, firstly, there possibly exists a kind of negative feedback in the Arctic Region which keeps the atmosphere. ocean. sea ice system balance, that is, an increase of sea ice area results in the increasing of the poleward heat transport, but the increase of the poleward...

A climate model including explicitly hydrological cycle and sea ice physics is presented,and is mainly used to study how the climate factors existing in atmosphere'ocean and sea ice affect the seasonal cycle of the sea ice area. It is shown that, firstly, there possibly exists a kind of negative feedback in the Arctic Region which keeps the atmosphere. ocean. sea ice system balance, that is, an increase of sea ice area results in the increasing of the poleward heat transport, but the increase of the poleward heat transport leads to the decreasing of the sea ice area again. Secondly, there exists a kind of time self-organization phenomenon between the sea ice and the upward heat flux from the surface to atmosphere, namely, LE, HS 4 ↑→sea ice area↑→LE, HS↓→sea ice area ↓→LE, HS↑,which takes a role of self-regulation to sea ice area and makes the sea ice not produce large change easily. Thirdly, the sea ice area is most sensitive to the vertical eddy diffusion coefficient KT in the boundary layer.The amplitude of the seasonal cycle of the sea ice area increases with decreasing of K. and decreases with increasing of KT. Fourthly, the ocean affects the sea ice more directly and effecti vely than the other factors. The amplitude of the seasonal cycle of sea ice area decreases with incereasing of depth of the ocean mixed layer, and the increase of the ocean's heat flux and the heat transport from ocean to sea ice will both reduce the sea ice area. Fifthly, sea ice physics also has great impact on the sea ice extent. The ice advection increases the amplitude of the seasonal cycle of sea ice F the increase of the upward conductive heat flux within the ice enlarges the sea ice extent; the parameterized surface albedo temperature dependence has the greatest effect on ice extent in summer but negligible effect in winter. In addition, thereare many other climate factors affecting the sea ice extent, for example, the sea ice area decreases when the CO2 content is doubled and the extent reduced is larger in summer than in winter;the sea ice area decreases with increasing of cloudiness and enhancement of the intensity of hydrological cycle.

鉴于水分循环和海冰过程是气候变化研究中两个比较薄弱的环节,而在以往的一些气候模式中往往简化甚至忽略了其中之一,给气候变化的研究带来了一定的不确定性。因此本文设计了一个包含详细水分循环和海冰物理过程的二维气候模式,在模拟出极地海冰面积和季节循环基础上,详细研究了存在大气、海洋、海冰以及水份循环中的各种气候因素对海冰季节循环的影响,得到了一些比较有意义的结论:(1)当大气中感热和潜热输送加强时,海冰面积减小,反之则增大。结合海冰面积增大有助于向极热量输送加强的结论,我们认为在北极地区存在着一种维持大气—海洋—极冰系统平衡的负反馈机制,即海冰面积增大,导致向极热量输送的增加,而向极热量输送的增加又有助于海冰面积的缩小。(2)当地表向大气输送的感热和潜热增大时,海冰的面积将增大,反之则减小。这一结论与海冰的隔热效应联系在一起,我们推测在冰线附近可能存在着一种周而复始,互为因果的时间自组织现象,即LE,HS↑→海冰面积于↑→LE、HS↓→海冰面积↓→LE、HS↑。通过这种时间自组织行为,海冰面积在一定程度上可以实现自我调节。(3)当边界层的垂直湍流交换系数减小时,海冰季节循环的振幅增大,即冬季海冰面积增大,夏季海冰面积...

鉴于水分循环和海冰过程是气候变化研究中两个比较薄弱的环节,而在以往的一些气候模式中往往简化甚至忽略了其中之一,给气候变化的研究带来了一定的不确定性。因此本文设计了一个包含详细水分循环和海冰物理过程的二维气候模式,在模拟出极地海冰面积和季节循环基础上,详细研究了存在大气、海洋、海冰以及水份循环中的各种气候因素对海冰季节循环的影响,得到了一些比较有意义的结论:(1)当大气中感热和潜热输送加强时,海冰面积减小,反之则增大。结合海冰面积增大有助于向极热量输送加强的结论,我们认为在北极地区存在着一种维持大气—海洋—极冰系统平衡的负反馈机制,即海冰面积增大,导致向极热量输送的增加,而向极热量输送的增加又有助于海冰面积的缩小。(2)当地表向大气输送的感热和潜热增大时,海冰的面积将增大,反之则减小。这一结论与海冰的隔热效应联系在一起,我们推测在冰线附近可能存在着一种周而复始,互为因果的时间自组织现象,即LE,HS↑→海冰面积于↑→LE、HS↓→海冰面积↓→LE、HS↑。通过这种时间自组织行为,海冰面积在一定程度上可以实现自我调节。(3)当边界层的垂直湍流交换系数减小时,海冰季节循环的振幅增大,即冬季海冰面积增大,夏季海冰面积减小;反之当边

Over 20 precipitation samples at Point Barrow,Alaska in Aug. and Sep. of 1994 was analysised.The pH value is between 4.76-6.26,of which higher in summer than in winter.The electic conductivities in precipitation is rather low,varing between 4.9-102.0 μS/cm,and the abnormal high values are concerned with the sea salt.The chemical composition of precipitation at Point Barrow,Alaska have equal level to that at the other Arctic regions and on the Qinghai Xizang Plateau.The extremely low value of exSO ...

Over 20 precipitation samples at Point Barrow,Alaska in Aug. and Sep. of 1994 was analysised.The pH value is between 4.76-6.26,of which higher in summer than in winter.The electic conductivities in precipitation is rather low,varing between 4.9-102.0 μS/cm,and the abnormal high values are concerned with the sea salt.The chemical composition of precipitation at Point Barrow,Alaska have equal level to that at the other Arctic regions and on the Qinghai Xizang Plateau.The extremely low value of exSO 2- 4 indicates that the anthropogenic effect on this region is small.Point Barrow is one of the most suitable places for studying the Arctic environment conditions.

本文根据1994年8~9月份阿拉斯加北坡巴罗地区降水的实测资料,初步探讨了本区夏季降水的化学特征及环境意义。结果表明:巴罗地区夏季降水的pH值比冬季高,平均值接近与大气CO2平衡时纯水的酸度状况;电导率值普遍较低,个别电导率值较高的样品可能与海盐粒子有关;样品的主要离子浓度与北极其它地区和青藏高原的降水化学成分相当,exSO42-基本接近于零,反映了受人类活动影响非常小的自然本底状况。研究认为巴罗地区是进行北极地区现代环境状况研究的理想地区之一。

 
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