欧洲航天局准备发射冰层探测卫星
文章来源:未知 文章作者:meng 发布时间:2010-01-15 01:07 字体: [ ]  进入论坛
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In what might seem rather appropriate weather conditions, the CryoSat-2 Earth Explorer satellite has completed its journey to the Baikonur拜科努尔 launch site in Kazakhstan哈萨克斯坦, where it will be prepared for launch on 25 February. The satellite and support equipment left the 'IABG' test centre in Ottobrunn, Germany, by lorry on 12 January. The CryoSat mission is dedicated1 to precise monitoring of the changes in the thickness of marine2 ice floating in the polar oceans and variations in the thickness of the vast ice sheets that overlay覆盖物 Greenland and Antarctica. With much of Europe still in the grip of one of the coldest winters for some years, the icy conditions aptly适宜地 set the stage for this first leg of CryoSat-2's journey.

After arriving at Munich airport, the containers were loaded onto an Antonov aircraft. Along with team members from ESA and their industrial partner for CryoSat-2, EADS-Astrium, the Antonov took off in the early evening bound for Ulyanovsk, a city some 900 km east of Moscow, Russia. Once through customs clearance海关放行,清关 at Ulyanovsk, the aircraft continued the journey to the Baikonur Cosmodrome.

The weather was °C and fine on arrival. Safely cocooned4紧抱 in its thermally5 controlled container, CryoSat-2 and accompanying cargo6 were offloaded and moved to the integration7综合,集成 facility. The launch campaign team will now spend the next six weeks preparing the satellite for launch. CryoSat-2 will be launched by a Dnepr rocket – a converted intercontinental ballistic missile – on 25 February at 14:57 CET (13:57 UT).

With the effects of a changing climate fast becoming apparent, particularly in the polar regions, it is increasingly important to understand exactly how Earth's ice fields are responding. Diminishing ice cover is frequently cited as an early casualty of global warming and because ice, in turn, plays an important role regulating climate and sea level, the consequences of change are far-reaching.

In order to understand fully8 how climate change is affecting these remote but sensitive regions, there remains9 an urgent need to determine exactly how the thickness of the ice, both on land and floating in the sea, is changing. By addressing this challenge, the data delivered by the CryoSat mission will complete the picture and lead to a better understanding of the role ice plays in the Earth system.

Following on from GOCE and SMOS, CryoSat-2 will be the third of ESA's Earth Explorers launched within 12 months, marking a significant step in ESA's dedication10 to improving our understanding of the Earth system.



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1 dedicated duHzy2     
adj.一心一意的;献身的;热诚的
参考例句:
  • He dedicated his life to the cause of education.他献身于教育事业。
  • His whole energies are dedicated to improve the design.他的全部精力都放在改进这项设计上了。
2 marine 77Izo     
adj.海的;海生的;航海的;海事的;n.水兵
参考例句:
  • Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
  • When the war broke out,he volunteered for the Marine Corps.战争爆发时,他自愿参加了海军陆战队。
3 clearance swFzGa     
n.净空;许可(证);清算;清除,清理
参考例句:
  • There was a clearance of only ten centimetres between the two walls.两堵墙之间只有十厘米的空隙。
  • The ship sailed as soon as it got clearance. 那艘船一办好离港手续立刻启航了。
4 cocooned cdac0c6af8a5260ddcdbf56d7280422e     
v.茧,蚕茧( cocoon的过去式和过去分词 )
参考例句:
  • The doctors cocooned the patient in blankets. 医生们将病人紧包在毯子里。 来自辞典例句
  • I cocooned in my own kingdom. 我完全沉迷在我自己的王国中。 来自辞典例句
5 thermally 4503c689965bc42ad92334e583f5d8c3     
热地
参考例句:
  • The magnetizing field is then removed while the body is thermally isolated. 在该物体热绝缘时把磁场撤去。
  • They could thermally desorb these ions by heating the foil to red heat. 他们通过加热金属箔至红热以解吸这些离子。
6 cargo 6TcyG     
n.(一只船或一架飞机运载的)货物
参考例句:
  • The ship has a cargo of about 200 ton.这条船大约有200吨的货物。
  • A lot of people discharged the cargo from a ship.许多人从船上卸下货物。
7 integration G5Pxk     
n.一体化,联合,结合
参考例句:
  • We are working to bring about closer political integration in the EU.我们正在努力实现欧盟內部更加紧密的政治一体化。
  • This was the greatest event in the annals of European integration.这是欧洲统一史上最重大的事件。
8 fully Gfuzd     
adv.完全地,全部地,彻底地;充分地
参考例句:
  • The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气,然后全部呼出。
  • They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
9 remains 1kMzTy     
n.剩余物,残留物;遗体,遗迹
参考例句:
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
10 dedication pxMx9     
n.奉献,献身,致力,题献,献辞
参考例句:
  • We admire her courage,compassion and dedication.我们钦佩她的勇气、爱心和奉献精神。
  • Her dedication to her work was admirable.她对工作的奉献精神可钦可佩。
TAG标签: earth satellite ice
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