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大雪暴露首都机场“除雪软肋”(图)

来源: 南方日报网络版     时间: 2019年08月19日 03:31:13
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无极娱乐2注册平台直招龙虎代理客服QQ【3514565791】诚招代理【在线开户网址um996.com】龙虎和龙虎1赔2.211合1赔9.95,定位胆1赔9.95腾讯分分彩,5分,10分彩,最高返水100反9快,最高赔率,正规信誉大平台平台24h提供注册及登录。大雪暴露首都机场“除雪软肋”(图)

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(  22日)(,首)(都)(机)(场)(,工)(作)(人)(员)(正)(在)(给)(飞)(机)(除)(冰)(。当)(日)(,因)(降)(雪)(首)(都)(机)(场)(共)(取)(消)(航)(班)(300余)(架)(次)(。新)(京)(报)(首)(席)(记)(者)(陈)(杰)(摄)(  上)(周)(日)(持)(续)(一)(天)(的)(降)(雪)(,对)(首)(都)(机)(场)(航)(班)(起)(降)(造)(成)(了)(影)(响)(。此)(次)(降)(雪)(虽)(已)(提)(前)(预)(报)(,但)(还)(是)(出)(现)(了)(今)(年)(以)(来)(较)(为)(严)(重)(的)(延)(误)(情)(况)(。据)(媒)(体)(报)(道)(,22日)(,首)(都)(机)(场)(共)(取)(消)(航)(班)(300余)(架)(次)(,航)(班)(延)(误)(预)(警)(也)(在)(一)(天)(内)(数)(次)(调)(整)(,至)(24时)(,预)(警)(已)(升)(级)(为)(红)(色)(。当)(日)(19时)(,首)(都)(机)(场)(还)(宣)(布)(暂)(时)(停)(止)(接)(收)(航)(班)(进)(港)(,持)(续)(时)(间)(预)(计)(到)(次)(日)(8时)(。昨)(早)(,经)(与)(气)(象)(中)(心)(会)(商)(,首)(都)(机)(场)(于)(6时)(44分)(提)(前)(恢)(复)(接)(收)(进)(港)(航)(班)(。一)(场)(降)(雪)(何)(以)(给)(首)(都)(机)(场)(造)(成)(如)(此)(大)(的)(影)(响)(?新)(京)(报)(记)(者)(采)(访)(了)(民)(航)(空)(管)(部)(门)(以)(及)(航)(空)(公)(司)(有)(关)(负)(责)(人)(。据)(介)(绍)(,首)(都)(机)(场)(存)(在)(除)(冰)(雪)(设)(备)(不)(足)(、运)(行)(协)(调)(系)(统)(不)(完)(善)(等)(情)(况)(,机)(场)(冰)(雪)(天)(保)(障)(能)(力)(明)(显)(下)(降)(。  焦)(点)(1  降)(雪)(为)(何)(给)(机)(场)(带)(来)(大)(麻)(烦)(?  据)(某)(航)(空)(公)(司)(一)(名)(资)(深)(机)(长)(介)(绍)(,降)(雪)(对)(机)(场)(最)(大)(的)(影)(响)(是)(积)(雪)(和)(结)(冰)(,主)(要)(体)(现)(在)(跑)(道)(受)(到)(影)(响)(以)(及)(飞)(机)(安)(全)(性)(下)(降)(两)(方)(面)(。  跑)(道)(如)(果)(有)(积)(雪)(或)(结)(冰)(情)(况)(,可)(能)(导)(致)(摩)(擦)(系)(数)(不)(达)(标)(。根)(据)(民)(航)(局)(的)(相)(关)(安)(全)(标)(准)(,跑)(道)(摩)(擦)(系)(数)(要)(达)(到)(一)(个)(指)(标)(才)(允)(许)(正)(常)(开)(放)(,如)(不)(达)(标)(就)(不)(能)(开)(放)(。如)(内)(蒙)(古)(呼)(和)(浩)(特)(白)(塔)(机)(场)(,在)(这)(次)(华)(北)(地)(区)(降)(雪)(中)(,就)(因)(积)(雪)(影)(响)(跑)(道)(安)(全)(,对)(外)(宣)(布)(了)(跑)(道)(关)(闭)(。  首)(都)(机)(场)(前)(日)(也)(对)(外)(宣)(布)(了)(暂)(时)(不)(接)(收)(航)(班)(进)(港)(,这)(个)(期)(间)(就)(是)(在)(清)(理)(跑)(道)(。一)(般)(首)(都)(机)(场)(的)(一)(条)(跑)(道)(除)(冰)(雪)(需)(要)(40分)(钟)(左)(右)(,清)(理)(期)(间)(航)(班)(起)(降)(能)(力)(就)(非)(常)(低)(。此)(外)(,在)(持)(续)(降)(雪)(过)(程)(中)(,无)(论)(是)(进)(港)(航)(班)(还)(是)(出)(港)(航)(班)(,都)(需)(要)(进)(行)(除)(冰)(雪)(作)(业)(,以)(保)(证)(飞)(机)(安)(全)(运)(行)(,这)(个)(工)(作)(也)(会)(造)(成)(首)(都)(机)(场)(放)(行)(能)(力)(减)(弱)(。  那)(飞)(机)(为)(什)(么)(要)(除)(冰)(呢)(?简)(单)(说)(就)(是)(积)(冰)(会)(破)(坏)(飞)(机)(飞)(行)(中)(的)(空)(气)(动)(力)(性)(能)(,机)(体)(表)(面)(如)(果)(有)(水)(滴)(冻)(结)(或)(冰)(雪)(附)(着)(,就)(会)(影)(响)(飞)(机)(的)(光)(洁)(外)(形)(,增)(加)(阻)(力)(;机)(翼)(上)(出)(现)(冰)(层)(的)(话)(就)(会)(导)(致)(升)(力)(减)(少)(。总)(之)(,飞)(机)(起)(飞)(前)(除)(冰)(雪)(是)(非)(常)(必)(要)(的)(,也)(是)(民)(航)(局)(要)(求)(的)(安)(全)(规)(范)(。  焦)(点)(2  首)(都)(机)(场)(除)(冰)(雪)(能)(力)(不)(足)(?  据)(民)(航)(内)(部)(人)(士)(透)(露)(,一)(般)(的)(降)(雪)(量)(下)(,除)(一)(架)(737-800大)(约)(需)(要)(10分)(钟)(,“但)(我)(认)(为)(,在)(首)(都)(机)(场)(有)(限)(的)(场)(内)(空)(间)(和)(有)(限)(的)(除)(冰)(雪)(设)(备)(条)(件)(下)(,遭)(遇)(强)(降)(雪)(后)(并)(不)(能)(满)(足)(机)(场)(的)(需)(求)(。”为)(此)(,首)(都)(机)(场)(已)(经)(采)(用)(了)(双)(机)(除)(冰)(雪)(以)(及)(不)(停)(车)((飞)(机)(发)(动)(机)(不)(关)(闭)()除)(冰)(雪)(措)(施)(,但)(在)(大)(雪)(影)(响)(下)(也)(显)(得)(杯)(水)(车)(薪)(。  昨)(日)(上)(午)(,首)(都)(机)(场)(恢)(复)(接)(收)(航)(班)(进)(港)(,信)(息)(显)(示)(:首)(都)(机)(场)(共)(投)(入)(200余)(人)(参)(与)(场)(道)(除)(雪)(保)(障)(,近)(千)(人)((含)(驻)(场)(单)(位)()参)(与)(航)(空)(器)(除)(冰)(保)(障)(,出)(动)(特)(种)(除)(雪)(作)(业)(车)(100余)(辆)(、航)(空)(器)(除)(冰)(车)(43辆)(,在)(昨)(日)(凌)(晨)(4时)(前)(完)(成)(了)(对)(三)(条)(跑)(道)(的)(全)(面)(清)(扫)(和)(定)(点)(除)(冰)(坪)(的)(除)(雪)(工)(作)(。  民)(航)(有)(关)(部)(门)(负)(责)(人)(告)(诉)(新)(京)(报)(记)(者)(,前)(日)(的)(降)(雪)(对)(首)(都)(机)(场)(造)(成)(较)(大)(影)(响)(,除)(了)(降)(雪)(大)(这)(个)(不)(可)(抗)(原)(因)(外)(,首)(都)(机)(场)(的)(除)(冰)(雪)(能)(力)(不)(足)(也)(是)(其)(中)(一)(个)(原)(因)(。  据)(其)(介)(绍)(,首)(都)(机)(场)(的)(除)(冰)(雪)(设)(备)(不)(足)(,每)(小)(时)(除)(冰)(雪)(不)(到)(20架)(次)(。此)(外)(,首)(都)(机)(场)(的)(除)(冰)(雪)(作)(业)(流)(程)(也)(不)(是)(非)(常)(合)(理)(,导)(致)(效)(率)(降)(低)(,光)(靠)(除)(冰)(车)(效)(率)(不)(高)(。一)(般)(早)(高)(峰)(出)(港)(航)(班)(70至)(80架)(次)(,但)(现)(在)(的)(能)(力)(只)(能)(满)(足)(20架)(次)(飞)(机)(除)(冰)(雪)(后)(放)(行)(,剩)(下)(3/4的)(航)(班)(肯)(定)(要)(延)(误)(。虽)(然)(首)(都)(机)(场)(也)(积)(极)(地)(采)(取)(了)(一)(些)(提)(高)(效)(率)(的)(作)(业)(方)(式)(,但)(还)(是)(不)(能)(满)(足)(需)(求)(。  焦)(点)(3  遇)(降)(雪)(如)(何)(确)(定)(放)(行)(顺)(序)(?  据)(民)(航)(一)(位)(内)(部)(人)(士)(介)(绍)(,延)(误)(航)(班)(的)(上)(客)(次)(序)(由)(首)(都)(机)(场)(运)(管)(委)(决)(策)(,比)(如)(一)(小)(时)(除)(冰)(雪)(20架)(次)(,那)(这)(一)(个)(小)(时)(就)(先)(安)(排)(20架)(次)(航)(班)(除)(冰)(雪)(,然)(后)(根)(据)(之)(前)(的)(排)(班)(次)(序)(要)(求)(上)(客)(,等)(这)(一)(批)(飞)(机)(离)(港)(腾)(出)(机)(位)(,才)(能)(允)(许)(后)(续)(航)(班)(上)(客)(。  本)(来)(首)(都)(机)(场)(的)(自)(动)(化)(决)(策)(系)(统)(可)(以)(根)(据)(机)(场)(放)(行)(效)(率)(以)(及)(排)(序)(情)(况)(智)(能)(放)(行)(的)(,但)(在)(如)(此)(混)(乱)(的)(大)(雪)(天)(也)(失)(去)(了)(作)(用)(。他)(进)(一)(步)(解)(释)(称)(,如)(本)(次)(降)(雪)(,机)(场)(内)(的)(停)(机)(位)(除)(冰)(雪)(和)(定)(点)(除)(冰)(雪)(混)(在)(一)(起)(,各)(部)(门)(衔)(接)(不)(畅)(,先)(除)(雪)(飞)(机)(被)(派)(到)(后)(续)(出)(港)(,而)(没)(有)(除)(雪)(的)(飞)(机)(则)(被)(派)(到)(前)(面)(出)(发)(,造)(成)(效)(率)(低)(下)(。  他)(称)(,遇)(到)(极)(端)(天)(气)(,航)(空)(公)(司)(一)(般)(会)(根)(据)(自)(身)(的)(运)(行)(情)(况)(,提)(前)(削)(减)(来)(往)(首)(都)(机)(场)(的)(航)(班)(,从)(而)(减)(少)(旅)(客)(滞)(留)(压)(力)(。此)(次)(降)(雪)(,航)(空)(公)(司)(也)(进)(行)(了)(这)(样)(的)(削)(减)(,才)(没)(有)(造)(成)(更)(大)(的)(影)(响)(。  焦)(点)(4  雪)(停)(后)(不)(能)(立)(刻)(恢)(复)(正)(常)(?  据)(民)(航)(空)(管)(部)(门)(一)(名)(工)(作)(人)(员)(介)(绍)(,雪)(停)(并)(不)(代)(表)(不)(需)(要)(除)(冰)(雪)(。另)(外)(,机)(场)(还)(需)(要)(消)(化)(之)(前)(的)(未)(放)(行)(航)(班)(,腾)(出)(机)(位)(接)(收)(未)(来)(降)(落)(的)(航)(班)(,所)(以)(一)(次)(影)(响)(较)(大)(的)(极)(端)(天)(气)(后)(,机)(场)(恢)(复)(运)(行)(秩)(序)(是)(需)(要)(一)(段)(时)(间)(的)(。  他)(进)(一)(步)(解)(释)(称)(,如)(果)(还)(在)(降)(雪)(过)(程)(中)(,飞)(机)(下)(落)(过)(程)(还)(会)(有)(积)(雪)(,所)(以)(再)(次)(起)(飞)(还)(需)(要)(除)(冰)(雪)(。此)(外)(,首)(都)(机)(场)(如)(果)(不)(放)(行)(前)(序)(排)(队)(航)(班)(,没)(有)(停)(机)(位)(,飞)(机)(也)(没)(有)(地)(方)(降)(落)(停)(靠)(。  前)(日)(的)(降)(雪)(,华)(北)(空)(管)(部)(门)(启)(动)(了)(备)(降)(机)(制)(,首)(都)(机)(场)(停)(止)(接)(收)(进)(港)(航)(班)(后)(,备)(降)(机)(场)(启)(用)(,从)(较)(远)(地)(方)(来)(的)(航)(班)(就)(停)(在)(备)(降)(机)(场)(。由)(于)(当)(日)(航)(空)(公)(司)(提)(前)(缩)(减)(了)(航)(班)(,所)(以)(备)(降)(的)(航)(班)(并)(不)(多)(。  今)(冬)(首)(个)(持)(续)(低)(温)(预)(警)(发)(布)(  预)(计)(至)(27日)(北)(京)(日)(平)(均)(气)(温)(较)(常)(年)(同)(期)(偏)(低)(5℃  新)(京)(报)(讯)(  继)(前)(日)(中)(央)(气)(象)(台)(发)(布)(今)(冬)(首)(个)(寒)(潮)(蓝)(色)(预)(警)(,昨)(日)(,北)(京)(市)(气)(象)(台)(发)(布)(今)(冬)(首)(个)(持)(续)(低)(温)(蓝)(色)(预)(警)(信)(号)(,预)(计)(昨)(夜)(至)(27日)(,北)(京)(日)(平)(均)(气)(温)(较)(常)(年)(同)(期)(偏)(低)(5℃。  11月)(以)(来)(累)(计)(日)(照)(仅)(31.8小)(时)(  近)(期)(,天)(气)(极)(端)(特)(征)(明)(显)(,持)(续)(雨)(雪)(天)(气)(使)(北)(京)(11月)(以)(来)(降)(水)(量)(明)(显)(偏)(多)(。截)(至)(22日)(20时)(,北)(京)(降)(水)(量)(达)(29.4毫)(米)(,而)(常)(年)(同)(期)(为)(8.01毫)(米)(。除)(了)(降)(水)(量)(,持)(续)(阴)(天)(寡)(照)(也)(达)(到)(了)(历)(史)(同)(期)(极)(值)(。11月)(5日)(至)(前)(日)(,北)(京)(连)(续)(18天)(阴)(天)(,是)(南)(郊)(观)(象)(台)(自)(1951年)(有)(气)(象)(资)(料)(以)(来)(历)(史)(同)(期)(最)(高)(值)(。截)(至)(22日)(20时)(,北)(京)(11月)(以)(来)(累)(计)(日)(照)(时)(数)(仅)(为)(31.8小)(时)(,而)(常)(年)(同)(期)(为)(136.4小)(时)(。  11月)(下)(旬)(出)(现)(如)(此)(寒)(冷)(天)(气)(比)(较)(罕)(见)(  本)(周)(,京)(城)(以)(晴)(天)(为)(主)(,不)(过)(气)(温)(将)(持)(续)(低)(迷)(。预)(计)(昨)(夜)(至)(27日)(,平)(原)(地)(区)(最)(高)(气)(温)(-1℃至)(-2℃,最)(低)(气)(温)(25日)(、26日)(可)(达)(-8℃至)(-10℃。同)(时)(,25日)(、26日)(两)(天)(风)(力)(较)(大)(,有)(4至)(5级)(偏)(北)(风)(。26日)(和)(27日)(早)(晨)(,连)(续)(两)(天)(最)(低)(气)(温)(仅)(有)(-10℃,接)(近)(历)(史)(同)(期)(最)(低)(值)(。有)(气)(象)(记)(录)(以)(来)(,北)(京)(11月)(下)(旬)(最)(低)(气)(温)(为)(-12.3℃,出)(现)(在)(1970年)(11月)(30日)(。气)(象)(专)(家)(表)(示)(,11月)(下)(旬)(就)(出)(现)(如)(此)(寒)(冷)(的)(天)(气)(,比)(较)(罕)(见)(。  为)(何)(出)(现)(降)(温)(?气)(象)(专)(家)(表)(示)(,一)(股)(冷)(空)(气)(南)(下)(之)(后)(,如)(果)(它)(和)(南)(部)(的)(暖)(湿)(气)(流)(势)(力)(相)(当)(,两)(者)(就)(形)(成)(了)(一)(种)(对)(峙)(局)(面)(,冷)(暖)(空)(气)(交)(汇)(,易)(形)(成)(雨)(、雪)(。周)(末)(降)(雪)(与)(低)(层)(冷)(空)(气)(和)(暖)(湿)(气)(流)(交)(汇)(相)(关)(,双)(方)(对)(峙)(,暖)(湿)(气)(流)(抬)(升)(,水)(汽)(在)(高)(空)(凝)(结)(成)(雪)(,雪)(花)(就)(落)(了)(下)(来)(。当)(冷)(空)(气)(很)(强)(,强)(势)(地)(把)(暖)(湿)(空)(气)(南)(压)(,冷)(气)(团)(则)(把)(持)(住)(了)(某)(地)(的)(主)(体)(地)(位)(,所)(以)(北)(方)(的)(雨)(雪)(停)(止)(,23日)(开)(始)(北)(方)(冷)(空)(气)(南)(下)(,自)(北)(向)(南)(影)(响)(中)(东)(部)(地)(区)(,而)(北)(方)(地)(区)(就)(出)(现)(了)(明)(显)(降)(温)(。  本)(版)(采)(写)(/新)(京)(报)(记)(者)(郭)(超)(邓)(琦)(实)(习)(生)(戴)(轩)(
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