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   arctic region 在 自然地理学和测绘学 分类中 的翻译结果: 查询用时:0.178秒
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arctic region
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  北极地区
    This article discusses the design and implementation characteristic of ordinary multimedia electro-map, and Arctic region multimedia electro-map was designed and implemented based on the software Atlas 2000. This article has an important reference value for the developing of multimedia electro-map integrated software and the design of electro-map.
    本文在Atlas2000软件平台下,设计和制作了北极地区多媒体电子地图,对于多媒体电子地图集成工具的开发和电子地图的设计开发具有一定的参考价值。
短句来源
    THE DESIGN AND IMPLEMENTATION OF ARCTIC REGION MULTIMEDIA ELECTRO-MAP
    基于Atlas2000的北极地区多媒体电子地图开发
短句来源
    The global change appears to affect the Arctic and Antarctic regions such as the events of ozone hole in the Antarctic atmosphere and north moving of permafrost zone in the Arctic region.
    同时 ,南极上空臭氧空洞的出现 ,北极地区冻土带的北移等都表明全球变化也在明显地影响着两极。
短句来源
  北极
    This article discusses the design and implementation characteristic of ordinary multimedia electro-map, and Arctic region multimedia electro-map was designed and implemented based on the software Atlas 2000. This article has an important reference value for the developing of multimedia electro-map integrated software and the design of electro-map.
    本文在Atlas2000软件平台下,设计和制作了北极地区多媒体电子地图,对于多媒体电子地图集成工具的开发和电子地图的设计开发具有一定的参考价值。
短句来源
    THE DESIGN AND IMPLEMENTATION OF ARCTIC REGION MULTIMEDIA ELECTRO-MAP
    基于Atlas2000的北极地区多媒体电子地图开发
短句来源
    The global change appears to affect the Arctic and Antarctic regions such as the events of ozone hole in the Antarctic atmosphere and north moving of permafrost zone in the Arctic region.
    同时 ,南极上空臭氧空洞的出现 ,北极地区冻土带的北移等都表明全球变化也在明显地影响着两极。
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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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This paper discusses Marco Polo'S contributions to physical geography and mineralogy. Macro Polo correctly explained the rise of ignition point for short of oxygen and severe coldness on high mountains and firstly observed and recorded the phenomena concerning boiling point in the world.He explicitly recorded the Arctic region and the Arctic inhabitants on the basis of on-the-spot tour and correctly made the earliest description in the world about the polar night and polar day. And he was the first...

This paper discusses Marco Polo'S contributions to physical geography and mineralogy. Macro Polo correctly explained the rise of ignition point for short of oxygen and severe coldness on high mountains and firstly observed and recorded the phenomena concerning boiling point in the world.He explicitly recorded the Arctic region and the Arctic inhabitants on the basis of on-the-spot tour and correctly made the earliest description in the world about the polar night and polar day. And he was the first and the earliest representative among the civilized peoples who reached, proved, discovered and recorded the Arctic ocean. Marco Polo also described and recorded the improtant.Mineral phenomena and the ways in which the local People mined and utilized those minerals.All of these were seen by himself, leaving the precious historical data. The most improtant minerals put down by him included: Petroleum, natural gas, coal and asbestos ets. So he took down a sect of mankind's course fo exploiting those minerals and spread the knownledge concerning mineralogies.Thus he and his travels stimulated the Europeans to know those minerals, and he also left the precious data about mineralogies and about opening up the mines.

马可·波罗对自然地理学和矿物学也做出了较大的贡献。他解释了燃点的变化,观察了有关沸点的现象,记载了北极地区,描绘了极昼和极夜,发现了北冰洋。他记录了各地人民开采利用石油、天然气、煤、石棉等重要矿藏的情况,保存了珍贵的矿物学和矿业开发资料,传播了有关矿物学的知识。

It is more clear to understand the role of the Arctic and Antarctic regions in the Earth's system through investigations for last 50 years. Both polar regions keep 99% of the world's glacier, approximately 78% of freshwater. It would cause the sea level to rise 65 meters if all the glaciers melt out from the polar regions. The polar regions are very important and active elements in the world climate system through a strong interaction between the ice, atmosphere and surrounding...

It is more clear to understand the role of the Arctic and Antarctic regions in the Earth's system through investigations for last 50 years. Both polar regions keep 99% of the world's glacier, approximately 78% of freshwater. It would cause the sea level to rise 65 meters if all the glaciers melt out from the polar regions. The polar regions are very important and active elements in the world climate system through a strong interaction between the ice, atmosphere and surrounding waters. The global change appears to affect the Arctic and Antarctic regions such as the events of ozone hole in the Antarctic atmosphere and north moving of permafrost zone in the Arctic region. China has established two Antarctic research stations and an icebreaker,and has made expeditions for last 20 years. Chinese scientists have put forward new opinions for regional characteristics of the Arctic and Antarctic and its role in global change

近半个世纪的调查基本揭示了极地在地球系统中的作用。两极保持了世界 99%的冰川 ,相当于全球淡水的 78% ,全部融化将使地球海平面上升 70m。极区又是世界气候系统中最活泼的组成 ,通过其冰盖、大气和周围海域的强烈耦合过程而影响全球。同时 ,南极上空臭氧空洞的出现 ,北极地区冻土带的北移等都表明全球变化也在明显地影响着两极。中国 2 0年来对南极的考察过程中 ,建立两个南极科学考察站 ,拥有极地考察破冰船 ,1999年开展了中国首次北极科学考察 ,对南北极的区域特征及其在全球变化中的作用提出了新的认识。

Recent evidences show that a rapid change has occurred in the Arctic since the last half century. Temperature increased 2-3 °C in some regions of the Arctic continents. Coverage of sea ice decreased 5% in the Arctic Ocean, thickness of sea ice shrunk in the center of the Arctic Ocean, the surface and intermediate water layers are freshening and warming, absorption of the atmospheric CO 2 increased in the marginal sea ice zone, and depletion of ozone appeared and ultraviolet...

Recent evidences show that a rapid change has occurred in the Arctic since the last half century. Temperature increased 2-3 °C in some regions of the Arctic continents. Coverage of sea ice decreased 5% in the Arctic Ocean, thickness of sea ice shrunk in the center of the Arctic Ocean, the surface and intermediate water layers are freshening and warming, absorption of the atmospheric CO 2 increased in the marginal sea ice zone, and depletion of ozone appeared and ultraviolet radiation increased. To understand processes of air sea ice interaction and their impacts to global change, First Chinese National Arctic Research Expedition was conducted from July 1 to September 9 of 1999 to implement a multidisciplinary survey in the Chukchi Sea, the Canada Abyssal Plain, and the Bering Sea. Advancement has achieved to understand regional characteristics of the Arctic and the sub Arctic as well as their effective processes on global change. A phenomenon of persistent warming has been observed in the medial layer waters in the Canada Abyssal Plain where has also been found as a major sink of fresh water from rivers to the Arctic Ocean. Exchange of water masses between the western Arctic Ocean and the Bering Sea as well as warm water structure in secondary surface layers were studied. Using data from multidisciplinary investigations on a floating packed ice, the atmospheric boundary layer was characterized, variations of energy balance on the underlying surface were modeled, and as air sea and ice air turbulent fluxes were calculated respectively, as well as differences of their parameters in the boundary layer were discussed. Fluxes of air sea CO 2 showed that most of the surveyed waters would play as a sink of the atmospheric CO 2. Higher biological pump operations presented in the western Arctic Ocean with an effective organic carbon sink in the Chukchi Sea. Microbiological activities didn′t find remarkably suppressed even in the cold waters. Biological processes of iodine in the surveyed sediment cores indicated a trend of concentration distribution increases from low to high latitude, suggesting a potential sink of iodine in the Arctic region and implying iodine as a significant indicator for variations of paleooceanic geochemical elements in the polar regions. There was a diversity of community and a variety of ecological structure in the Chukchi Sea or the Bering Sea, but a higher nutrient and low chlorophyll (HNLC) appeared in the Bering Abyssal Basin and lower levels of primary production and particle organic matters occurred in summer sea ice melting season in the Chukchi Sea. Pb in marine aerosols over the Chukchi Sea showed a high concentration. Ozone concentrations in the surface air or their daily change magnitude decreased with increase of latitude, which could be attributed to impacts from climate system such as from a warm high passed or a change of the tropopause height.

最近研究证明 ,近半个世纪来 ,北极地区正在发生迅速变化。部分地区温度上升了 2— 3°C ,北冰洋海冰退缩 5 %,中心地区海冰厚度变薄 ,海面压力降低 ,中上层水淡化和变暖 ,吸收CO2 能力增加 ,臭氧耗损和紫外线辐射增强。中国于 1 999年开展了“中国首次北极科学考察” ,在楚科奇海、加拿大海盆、白令海以及临近海域开展了海冰气相互作用的多学科综合考察 ,对北极的区域特征及其在全球变化中的作用研究获得一些新的认识。观测到加拿大海盆中层水持续增暖的现象 ,揭示了西北冰洋与白令海水体交换的途径和次表层暖水结构 ,发现了加拿大海盆是北冰洋河水的主要储存区。利用联合冰站观测数据 ,模拟了北冰洋夏季大气边界层结构和下垫面能量平衡的变化特征 ,定量给出了北冰洋夏季海 /气和冰 /气之间湍流通量和边界层参数的差异。海 /气CO2 的通量观测表明 ,考察区的大部分海域均为大气CO2 汇区 ;西北冰洋海冰区具有较高的生物泵运转效率 ,楚科奇海陆架是一个高效的有机碳“汇”区 ,寒冷水体中微生物活动并未受到明显抑制。沉积物的地球化学过程研究表明 ,海底表层沉积物中碘含量存在着由低纬度到高纬度增加趋势 ,北极地区可能是碘的汇...

最近研究证明 ,近半个世纪来 ,北极地区正在发生迅速变化。部分地区温度上升了 2— 3°C ,北冰洋海冰退缩 5 %,中心地区海冰厚度变薄 ,海面压力降低 ,中上层水淡化和变暖 ,吸收CO2 能力增加 ,臭氧耗损和紫外线辐射增强。中国于 1 999年开展了“中国首次北极科学考察” ,在楚科奇海、加拿大海盆、白令海以及临近海域开展了海冰气相互作用的多学科综合考察 ,对北极的区域特征及其在全球变化中的作用研究获得一些新的认识。观测到加拿大海盆中层水持续增暖的现象 ,揭示了西北冰洋与白令海水体交换的途径和次表层暖水结构 ,发现了加拿大海盆是北冰洋河水的主要储存区。利用联合冰站观测数据 ,模拟了北冰洋夏季大气边界层结构和下垫面能量平衡的变化特征 ,定量给出了北冰洋夏季海 /气和冰 /气之间湍流通量和边界层参数的差异。海 /气CO2 的通量观测表明 ,考察区的大部分海域均为大气CO2 汇区 ;西北冰洋海冰区具有较高的生物泵运转效率 ,楚科奇海陆架是一个高效的有机碳“汇”区 ,寒冷水体中微生物活动并未受到明显抑制。沉积物的地球化学过程研究表明 ,海底表层沉积物中碘含量存在着由低纬度到高纬度增加趋势 ,北极地区可能是碘的汇区 ,碘可作为极区古海洋中的地球化学元素变化的重要指标。楚科奇海、白令海?

 
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