新华社“雪龙”号７月１５日电（记者璩静）中国第五次北极科学考察队１１８名队员，已进入白令海进行科考作业。科考队领队、中国极地研究中心主任杨惠根近日接受记者采访时表示，尽管北极之行也许不会碰上南极西风带那样大的风浪，但仍存在种种不可预见因素。

    The xinhua news agency“photo”On July 15, no.（Reporter Qu static）China's fifth arctic science expedition 118 players，Has entered the bering sea for the homework。The expedition leader、China polar research center director YangHuiGen recently when accepting a reporter to interview said，Although trip to the North Pole may not meet Antarctic westerly zone as big as the winds and waves，But it still has a variety of unforeseen factors。

    “航程１７８０２海里的科学考察刚刚开始，不容盲目乐观，不可预见因素对每位考察队员都是考验。”他说。

    “The voyage of the sea 17802 scientific research has just started，Not optimistic blindly，Unforeseen factors on each inspection team is the test。”He said。

    ７月２８日至８月２０日，“雪龙”船要通过北冰洋东北航道（俄罗斯称北方海航道），首次进入北冰洋－大西洋扇区开展综合考察，航程共计３８２５海里。

    July 28, to aug. 20,，“photo”The ship to the northeast passage through the arctic（Russia says the north sea channel），The first to enter the arctic ocean-the Atlantic in the comprehensive investigation sector，In 3825 the sea voyage。

    东北航道是我国北极科考史乃至我国航海史上的空白，此次航行具有里程碑意义。东北航道毗连俄罗斯北部海域，并没有固定航道。科考队通行时要依赖俄罗斯方面指派的破冰船引航，并为此支付费用。

    The northeast passage is our country the arctic expedition history in our country and even the maritime history of the blank，The landmark sailing。The northeast passage in northern waters adjacent to Russia，And no fixed channel。The expedition to rely on traffic Russian icebreaker assigned service，Pay cost。

    “具体怎么走，只有与俄罗斯北方海航道引航部门接洽后才能确定。”杨惠根说。资料显示，位于航道中间的东西伯利亚海极浅，平均水深只有４５米，海面气象变动大，且有大量流冰，航行中不确定因素较多。

    “How to get specific，Only with Russia's northern sea channel pilotage department after contact to be sure。”YangHuiGen said。Data shows，Located in the middle of the east Siberian sea channel extremely shallow，Average depth of water only 45 meters，The weather changes，And there is a large ice flow，The voyage not sure many factors。

    据悉，科考队还将于８月底经高纬度穿越北极中心区，其间科学家们将执行走航观测、短期冰站、潜标回收等任务。“一旦进入北极区，就进入不可预知的环境中。那里虽然是海－冰－气相互作用研究的理想区域，但近年气候变暖导致北极冰川融化崩落，海面有大量冰山漂浮，北极冰区航行安全风险很多也很大。”杨惠根说，“由于北极海冰更具流动性，要防止‘雪龙’船被洋流堆积的海冰困住。”

    It is reported，The expedition will also in late August through the arctic central high，Meanwhile the scientists will execute go air observation、Short-term ice station、Potential standard recovery task。“Once in the arctic region，Into the unpredictable environment。Although there is the sea ice-air-interaction of ideal region，But in recent years, climate warming arctic melting ice avalanche，The sea has a large iceberg floating，The arctic navigation safety risk a lot apple is very big also。”YangHuiGen said，“As the arctic sea ice more liquidity，To prevent‘photo’The ship was ocean currents of sea ice trapped accumulation。”

    防止火灾、落水等事故也是关键。“在南北极落水是非常危险的，那里的海水是冰冷的，不论会不会游泳，人如果掉进水中，体温会迅速下降而死亡。”杨惠根说。

    Prevent fire、Water is also a key accidents。“In the polar water is very dangerous，Where the sea water is cold，Whether can't swim，People if fell into the water，Body temperature will drop quickly and death。”YangHuiGen said。

    他还介绍说，北极地区气候复杂多变，大约每年７月起会有一个多月的多雾天气，“这种雾就像长江中下游地区的梅雨一样，持续不退”。另外，由于北半球工业发达，进入北极地区上空大气中的硫酸导致北冰洋著名的阴霾现象，对航行和海上作业都会产生影响。

    He also said that，The arctic climate is complicated，Each year about July there will be more than a month of foggy weather，“The mist is like the Yangtze river as the plum，persistent”。In addition，Due to the northern hemisphere industry developed，Into the arctic air over the arctic ocean sulfuric acid in the famous in the haze phenomenon，For navigation and operations at sea will have an impact。

    北极正值夏季，是北极熊觅食发情之季。这种北极兽王也对人构成一定威胁。杨惠根说，成年北极熊体长都在２米以上，体重逾半吨且四肢粗壮，尤其是前掌，一掌可使人毙命。为防止北极熊的威胁，考察队已作了较为周密的部署，包括设置防熊“苹果屋”、成立防熊武装队、进行防熊培训等。

    Comes as the arctic summer，Is the polar bear foraging season of estrus。The North Pole is a must to beastmaster's threat。YangHuiGen said，Adult polar bears in 2 meters length，Weight more than half a ton and brawny limbs，Especially before palm，A palm can make people die。To prevent the threat of polar bears，Villagers are already close to deploy，Including set the bear“Apple house”、The bear was armed team、For the XiongPeiXun, etc。

    他表示，面临安全风险，首先要提高全体科考队员对安全工作重要性的认识，让安全意识和正确的安全观念植根脑海，并成为每个人的自觉行动；要不断健全安全制度和操作规范；还要将安全责任细化落实到岗位、落实到人，严格执行有关安全管理规定，杜绝安全隐患。

    He said，Faced safety risk，First of all to improve all the expedition to recognition of the importance of safety work，Let the safety consciousness and the safety of the correct idea rooted into my mind，And become everyone's conscious effort；To continuously improve the safe system and operation norm；Even will carry out detailed safety responsibility post、Fulfil person，Strict implementation of the relevant safety management regulations，Eliminate hidden security trouble。

    “一些关键环节，如船舶航行、飞机起降、冰上作业时，加强队与队之间、船与直升机之间、船与冰站之间的协调配合都要有计划、有措施、有预案，尽可能做到人不伤、物不损。”杨惠根说，“开辟新领域，必须担负应对空前安全风险的职责。”

    “Some key links，Such as ships sailing、The plane landing、Ice operations，To strengthen the team and team between、The ship between and helicopters、The ship and ice stand between coordination with all want to have a plan、Measures have、A plan，Do people do not hurt as much as possible、Item does not damage。”YangHuiGen said，“To open new areas，Must bear the responsibility to unprecedented safety risk。”