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《地平线系列：雪崩引发致命暴风雪》于2018年播出的纪录片纪录片电影。InMarch2018aninternationalteamofscientistsgatheredinaremotevalleyintheCanadianRockiestoconductauniqu 观看全集
InMarch2018aninternationalteamofscientistsgatheredinaremotevalleyintheCanadianRockiestoconductauniqueexperiment-toattempttoseeintotheheartofamassiveavalanchetoseeifwecanfindwaystosavelivesinthefuture.Avalancheskillhundredsofpeopleeveryyear.EvenintheUK25peoplehavebeenkilledbytheseforcesofnaturesincetheyear2000.Butweknowsurprisinglylittleaboutthem-whytheyhappenorhowtheyareabletoproducedestructiveforcessopowerfulthattheycanflattenentirevillages.Equallydisturbingisthefactthatclimatechangemeansthatthepatternofavalanchesischanging.Theyareoccurringinplaceswheretheyhaveneverhappenedbefore.Findingoutwheremightbeindangerinthefutureisofvitalimportance.Answeringallthesequestionscouldhelpsavelives.Theexperimentattemptstoprovidethoseanswers.Theteamofexperts,gatheredfromallovertheworld,includestheprogramme’spresenterProfDanielleGeorge.HerdayjobisstudyingspaceatManchesterUniversity,butsheisalsoaspecialistinthedesignofexperiments.Sheisevengettingpersonallyinvolved.Aspartofanexperimenttotestoutsafetyequipment,Danielleputsonthelatestbreathingdeviceintendedtohelpyousurvivebeingcaughtinanavalanche.Shethenagreestobeburiedunderhalfatonneofsnow.Thescientistshopetodowhatnoonehasevermanagedbefore-torevealthemysteriesofanavalanche’sdestructivepowerbyfindingoutwhatisgoingonatitsveryheart.Hitherto,ourunderstandingofavalancheshasbeenbasedoncomputermodels-buttheseconsistentlyunderestimatethesheerpowerofthesenaturalphenomena.Totryandworkoutwhy,thescientistswillconductarangeofcutting-edgetests,usingthelatesttechnology,includingplacingacarriggedwithsensorsrightinthepathoftheavalanche.Theplanistosetuptheequipmentandthenunleashtheavalanchebydroppingexplosivesnearthetopoftheslope.Buttheteamareinaraceagainsttime.Theyhavejustthreedaystorigthemountainbeforethesnowwillcomedowntheslopenaturally.Iftheyaren’treadyintime,alltheireffortswillbewasted.Evenworse,theyareworkinginanactiveavalanchezone.Forsomescientistsgoingoutontheslopestoinstalltheirequipmentmeansriskingtheirlives.Interwovenwiththemainexperimentarepowerfulandmovingstoriesfromsurvivorsoftheseviolentnaturalforces.WemeetCaseyGeorge,whosetwochildrenwereburiedwhenanavalanchestruckthesmalltownofMissoula,Montana,completelyoutofthebluewhiletheywereplaying.TheirneighbourFredAllendorfwasinsidehishousewhenitwascompletelydestroyed.Thecataclysmclaimedthelifeofhiswife.Missoulahadneverbeenstruckbyanavalanchebefore.Andnoonecouldunderstandhowawell-builthousecouldbeutterlydemolished.ThefilmmeetsBritishsnowboarderJohnoVerity,whowasbeingfilmedwhenanavalanchestartedrightunderneathhim.Hisstoryprovidescluesastowhatcausesthesedisasters-asubtlechangeinthemicroscopicstructureofsnowdeepbeneaththesurface.Inauniquesnowlab,wheretheycanrecreatedifferentsnowconditions,Daniellediscoversexactlyhowsnowcanbetransformedfromsomethinglightandfluffyintoapotentialkiller.AndthereisElyseSaugstad,anexpertskierwho,despiteyearsofexperience,wascaughtunawaresinanavalanchethatkilledthreeofherfriends.Allthesestoriesemphasisejusthowunpredictableanddevastatingtheseeventscanbeandwhyweneedtounderstandandsobeabletopredictthembetter.Inadditiontobeingburied,DanielleGeorgeconductsanotherexperimentintoequipmentthatmayhelpskierssurvivebeingcaughtinanavalanche.Yourchancesoflivingrapidlydiminishifyouareburiedformorethan15minutes.Sheconductsatestwithaninflatableairbagthatisdesignedtokeepyounearthesurfaceofanavalanche,makingyoueasiertofind.Aftertwointensedaysofworkbythescientificteam,theexperimentendswithover1,000tonnesofsnowrushingdownthemountainside.Ittriggersawholehostofcensorsandobservationalequipment.Thereisthenatensewaitforresults.Butwhentheycome,theyarerevealing.Itseemsthattheteammayhaveuncoveredthefirstcluestoanavalanche’sunexplainedpower.Ifso,thiscouldonedayleadtosignificantbreakthroughsinhowwebuildhousesandinfrastructurethatmaylieinanavalanche’spathandinhowwedevisesafetyequipmentforskiers.Itcouldbethatthisexperimentwillhelpsavelivesinthefuture. 收起全集
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