卫星照片显示：全欧洲空气污染骤降，全因新冠隔离
<p><span word="Air">Air</span> <span word="pollution">pollution</span> <span word="from">from</span> <span word="nitrogen">nitrogen</span> <span word="dioxide">dioxide</span> <span word="has">has</span> <span word="fallen">fallen</span> <span word="by">by</span> <span word="an">an</span> <span word="estimated">estimated</span> 40% <span word="in">in</span> <span word="three">three</span> <span word="European">European</span> <span word="cities">cities</span>, <span word="according">according</span> <span word="to">to</span> <span word="new">new</span> <span word="satellite">satellite</span> <span word="data">data</span> <span word="released">released</span> <span word="by">by</span> <span word="the">the</span> <span word="European">European</span> <span word="Space">Space</span> <span word="Agency">Agency</span> (<span word="ESA">ESA</span>), <span word="coinciding">coinciding</span> <span word="with">with</span> <span word="a">a</span> <span word="widespread">widespread</span> <span word="lockdown">lockdown</span> <span word="to">to</span> <span word="curb">curb</span> <span word="the">the</span> <span word="spread">spread</span> <span word="of">of</span> <span word="the">the</span> <span word="coronavirus">coronavirus</span>.</p><p>欧洲航天局发布的新的卫星数据显示，为了阻止冠状病毒传播多地封城期间，据估计在三个欧洲城市中，二氧化氮造成的空气污染下降了40%。</p><p><span word="The">The</span> <span word="space">space</span> <span word="agency">agency</span>’<span word="s">s</span> <span word="Copernicus">Copernicus</span> <span word="Sentinel">Sentinel</span>-5<span word="P">P</span> <span word="satellite">satellite</span> <span word="mission">mission</span> <span word="on">on</span> <span word="Friday">Friday</span> <span word="released">released</span> <span word="three">three</span> <span word="composite">composite</span> <span word="images">images</span> <span word="showing">showing</span> <span word="nitrogen">nitrogen</span> <span word="dioxide">dioxide</span> <span word="concentrations">concentrations</span> <span word="in">in</span> <span word="the">the</span> <span word="period">period</span> <span word="March">March</span> 14-25 <span word="over">over</span> <span word="France">France</span>, <span word="Spain">Spain</span> <span word="and">and</span> <span word="Italy">Italy</span>, <span word="compared">compared</span> <span word="to">to</span> <span word="the">the</span> <span word="monthly">monthly</span> <span word="average">average</span> <span word="of">of</span> <span word="concentrations">concentrations</span> <span word="from">from</span> 2019.</p><p>欧洲航天局的哥白尼哨兵-5<span word="p">p</span>卫星任务在周五发布了三个合成图像，显示了3月14日至25日期间法国、西班牙和意大利的二氧化氮浓度，与2019年的月平均浓度做了对比。</p><p>“<span word="This">This</span> <span word="is">is</span> <span word="a">a</span> <span word="first">first</span> <span word="level">level</span> <span word="estimate">estimate</span>; <span word="some">some</span> <span word="of">of</span> <span word="these">these</span> <span word="values">values</span> <span word="have">have</span> <span word="gone">gone</span> <span word="down">down</span> <span word="by">by</span> <span word="about">about</span> 40% <span word="of">of</span> <span word="the">the</span> <span word="normal">normal</span> <span word="value">value</span>... <span word="so">so</span> <span word="a">a</span> <span word="very">very</span> <span word="drastic">drastic</span> <span word="decrease">decrease</span>,” <span word="Josef">Josef</span> <span word="Aschbacher">Aschbacher</span>, <span word="ESA">ESA</span> <span word="Director">Director</span> <span word="of">of</span> <span word="Earth">Earth</span> <span word="Observation">Observation</span> <span word="Programmes">Programmes</span>, <span word="told">told</span> <span word="R">R</span>--<span word="euters">euters</span> <span word="via">via</span> <span word="a">a</span> <span word="video">video</span> <span word="call">call</span>.</p><p>欧洲航天局地球观测项目主任<span word="Josef">Josef</span> <span word="Aschbacher">Aschbacher</span>在视频通话中对《路--透社》说：“这是一级估值，其中一些数值与正常值相比下降了约40%，下降幅度竟如此之大。”</p><p><span word="Researchers">Researchers</span> <span word="studying">studying</span> <span word="the">the</span> <span word="impact">impact</span> <span word="of">of</span> <span word="emissions">emissions</span> <span word="from">from</span> <span word="industry">industry</span> <span word="and">and</span> <span word="transport">transport</span> <span word="on">on</span> <span word="climate">climate</span> <span word="change">change</span> <span word="and">and</span> <span word="human">human</span> <span word="health">health</span> <span word="are">are</span> <span word="scrambling">scrambling</span> <span word="to">to</span> <span word="understand">understand</span> <span word="the">the</span> <span word="possible">possible</span> <span word="implications">implications</span> <span word="of">of</span> <span word="the">the</span> <span word="coronavirus">coronavirus</span> <span word="pandemic">pandemic</span> <span word="as">as</span> <span word="economies">economies</span> <span word="slow">slow</span>, <span word="flights">flights</span> <span word="are">are</span> <span word="disrupted">disrupted</span> <span word="and">and</span> <span word="quarantines">quarantines</span> <span word="imposed">imposed</span>.</p>
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