亚马逊雨林能拯救地球吗-(上)_classic.pdf
bumpy英:/bmp/美:/bmpi/adj.崎岖不平的?颠簸的uptake英:/ptek/美:/ptek/n.摄取?领会?举起还没有添加笔记哦还没有收藏例句哦扫码APP内查看每日英语听力Around the time of my?rst drive to ZF2,I called Simon Lewis athis o?ce at the University of Leeds inEngland.Simon studies of byforests.He said that the Ea?hs jungles-of which the Amazon is thebiggest-have a big on climate.?ese tropical forests are providing ahuge to society for free:theyre absorbing carbon from the.Eve?year humans release about 40 tons of carbon.But only about half of it in the atmosphere.?e oceans some.?e rest-about 30 percent of our-issoaked up on land,in theworlds forests.Climate call this the land.Most of them say that the Amazon isone of the land sinks biggest players.Without it,carbon dioxide wouldbuild up more quickly in theatmosphere,and the climate would be even worse.But the Amazon forest and its carbon are at risk.Trees are being cleared for soy,and the climateis becoming less forest-.?e d?seasons are to in and in over the coming decades.Patrick Meir is an at theUniversity of Edinburgh.Hes studied how a?ectstropical.So in with a warming,we can expect increased drought on the system.And in to that,theres likelyto be an increased of events.So all those suggest that the forest isgoing to experience higher,higher temperaturemaxima and greater drought stress亚马逊雨林能拯救地球吗?(上)当月 科学60秒-科学美国人756词bumpy大约在我第一次经过颠簸之旅?开车到ZF2的时候?我给英国利兹大学的西蒙刘易斯的办公室打了电话?uptake西蒙研究的是森林对碳的吸收?他说?地球上的热带丛林对全球气候有很大影响?亚马逊是其中最大的热带丛林?这些热带森林免费为社会提供了巨大的好处?它们正在吸收大气中的碳?人类每年排放约400亿公吨二氧化碳?但只有大约一半积累在大气中?海洋吸收了一些?其余的被陆地吸收?尤其是被世界上的森林所吸收?这部分约占排放量的30%?气候学家称其为陆地碳汇?他们中的大多数人说亚马逊是陆地碳汇最大的参与者之一?如果没有它?二氧化碳将在大气中更快地积聚?气候危机将更加严重?uptake但亚马逊森林及其碳汇能力正处于危险之中?为了种植大豆?人们砍掉了森林?该地区的气候也不那么适合森林生长了?在接下来的几十年里?旱季的强度和长度可能会增加?帕特里克梅尔是爱丁堡大学的生态学家?他研究了干旱对热带丛林的影响?在全球变暖的背景下?我们可以预期气候系统面临的干旱压力将会增加?除此之外?极端事件的发生频率可能会增加?添加的词汇添加的笔记收藏的例句carbontropicale?ectglobalbene?tatmospherebillion metricdioxideaccumulatesabsorbemissionspa?icularlyscientistssinkcrisisplantationsregionsfriendlylikelyincreaseintensitylengthecologistdroughtjunglecombinationstressadditionfrequencyextremetemperaturesmaxima and greater drought stress.conditions such as thesemight shut down the Amazon carbonsink.But there is some reason for hope.Before going into why,meet DavidLapola of Brazils State University ofCampinas.Hes one of several scientists who the AmazonFACE projectfrom the sta?.I once asked him what himto Amazon research.He dated his interest to his late,while still in college.?ere was an that I can tellyou that happened.It was his?rst trip to the Amazon,obse?ing plants for some ecologists.?e work required long,walks in jungle.One day,on hands and in aclearing,he jotted down a record inhis.But then I looked back,and I couldnt?nd theI was lost there.And milesfrom camp.?ere was nothing much I could do interms of shouting.No one would hearme.His hea?was pounding and headspinning.He realized that if he lost his cool,hecould make matters worse.I had an in my pocket.Tokeep it calm,I peeled the orange,ateit.He sat down,looked and listened.After a while he noticed a slashed.It had been cut with his own machetewhen hed entered the clearing.?en I went there,and then I couldsee another mark I did.?en I found my way back.the scare,he realizedthat while sitting still,hedexperienced an indescribable feelingof and wonder that shouldbe to eve?one.所有这些都表明?森林将面对更高的温度?更高的最高温和更大的干旱压力?这样的不利条件可能会终结亚马逊的碳汇?但我们也有理由抱有希望?在讨论原因之前?先来听听巴西坎皮纳斯州立大学大卫拉波拉的说法?他是从一开始就领导AmazonFACE项目的几位科学家之一?我曾经问他?是什么吸引了他对亚马逊的研究?他说自己的兴趣源于十几岁的时候?那时还在上大学?我可以告诉你的是?发生了一段插曲?那是他第一次去亚马逊?为一些生态学家观察植物?这项工作需要在茂密的丛林中独自行走很长时间?一天?在一片空地上?他双手跪地?在笔记本上草草记下了一项记录?等我回头看的时候?却找不到来时的踪迹了?我在那里面迷路了?离营地几英里远?大喊大叫毫无意义?没人能听到我喊叫?他心跳加速?头晕目眩?他意识到?如果他失去冷静?事情可能会变得更糟?当时我口袋里有一个橘子?为了让自己平静下来?我剥开橘子?吃了它?他坐下来?四处张望?仔细聆听?过了一会儿?他注意到一根被砍断的树枝?在他进入这片空地时?用砍刀砍断了这根树枝?于是我走到树枝前?看到了自己留下的另一个标记?然后就找到了回去的路?虽然一开始很害怕?但他意识到?当他静静地坐着时?他体验到了一种难以形容的宁静和奇妙?这应该是每个人都能感受到的?Adverseshepherdedattractedteensepisodesolita?thickkneesnotebooktrailliterallyorangebranchDespiteinitialserenityaccessible?nd the.So this is the so?of thing I thinkpeople should have the right to havein the future,you know?Just,you know,enjoying the sound,the calm feeling that the forestbrings.And since then hes his lifeto studying and protecting theAmazon.And when we talk about somethinglike the-the possibility-of losing this forest toclimate change and maybe other,thats something thatmoves me.A ago David accepted ano?er to lead an to see ifthe progressively rising ofcarbon dioxide in the atmospheremight the forest againstthe anticipated increased heat anddrought.?is possible e?ect iscalled carbon fe?ilization.Buried deep in their code,most globalclimate models that Amazonforest will bene?t from morecarbondioxide.But David says whether it will or not ispure speculation.I mean,if we have a CO2 fe?ilizatione?ect,it will thee?ects of higher temperature,and theforest is kind of safe.But notice I said an if-if we have.Wedont know if well have the CO2fe?ilization e?ect.我觉得这是人们在未来应该有权拥有的东西?对吧?就是?享受森林里的声音?和那种平静的感觉?从那时起?他一直致力于研究和保护亚马逊?当我们谈到由于气候变化和其他干扰而失去这片森林的可能性?哪怕是最微小的可能性时?这让我很触动?十年前?大卫接受了领导一项实验的提议?以确定大气中二氧化碳含量的逐渐上升是否可能使森林对预期的高温和干旱产生免疫力?这种可能存在的保护作用被称为碳肥?在那些代码中?大多数全球气候模型都假设亚马逊森林会受益于二氧化碳?但大卫表示?它是否能从中受益纯属猜测?我的意思是?如果真有二氧化碳施肥效应?那它将抵消更高温产生的影响?森林基本上就是安全的?但请注意?我说的是如果-如果它存在的话?我们并不知道是否真有二氧化碳施肥效应?traildevotedpossibilityslightestdisturbancesdecadeexperimentamountimmunizeprotectiveassumecounterbalance
