智科眼

请选择以下任意方式登录

已有帐号?

验证码登录

微信登录

忘记密码
未收到验证码?
注册

微信注册

智科眼: 双语看懂新科研
地球科学 127
New() mechanical(机械) modeling(模拟) of(of) a(a) network(网络) of(of) active(主动) strike()-()slip() faults(断层) in(in) California(加利福尼亚州)'s('s) Imperial(帝国) Valley(山谷) suggests(表明) the faults(断层) are(are) continuously(不断) linked(联系),(,) from() the southern(南部) San() Andreas(安德烈) Fault(断层) through(through) the Imperial(帝国) Fault(断层) to(to) the Cerro(塞罗) Prieto() fault(断层) further() to(to) the south() of(of) the valley().(.)
Although(虽然) more(更多) studies(研究) are() needed(需要) to(to) understand(了解) the slip(滑动) rates() and() exact(确切) relationships(关系) between(between) these(这些) faults(断层),(,) linkage(连接) could(可能) increase(增加) the likelihood(可能性) that(that) they(它们) might(可能) rupture(破裂) together(一起) and() cause(导致) larger(更大) than(than) expected(预期) shaking(摇动) in(in) Los() Angeles(杉矶),(,) Imperial(帝国),(,) Riverside(弗赛) and() San() Bernardino(贝纳迪诺) counties() in(in) California(加利福尼亚州),(,) Jacob(雅各布) Dorsett(Dorsett) and() colleagues(同事) suggest(建议) in(in) their(他们) analysis(分析),(,) published(发表) in(in) the Bulletin(公报) of(of) the Seismological(地震学) Society() of(of) America(美国).(.)
While(虽然) its() faults(断层) may(可能) not() be(be) as(as) well(well)-()known() as(as) the San() Andreas(安德烈) and() San() Jacinto(Jacinto) faults(断层) to(to) the north(北部),(,) the region(地区) has(has) hosted() several() damaging earthquakes(破坏性地震),(,) including(包括) a(a) magnitude(大小) 6.9(6.9) rupture(破坏) along(沿着) the Imperial(帝国) Fault(断层) in(in) 1940(1940) and() a(a) magnitude(大小) 6.6(6.6) earthquake(级地震) on(on) the same(同一) fault(断层) in(in) 1979,(1979,) along(along) with(with) magnitude() 6.2(6.2) and() 6.6(6.6) earthquakes(级地震) on(on) the Elmore(Elmore) Ranch(大牧场) and() Superstition(迷信) Hills(山丘) faults(断层),(,) respectively(分别地),(,) in(in) 1989.(1989.)
"We("We) know(了解) that(that) faults(断层) here(这里) have(have) hosted(承载) earthquakes(地震) in(in) the past(过去),(,) but(但是) understanding(了解) the three-dimensional(三维) fault(断层) shapes(形状) in(in) the area(地区),(,) and() specifically(特别) how(如何) the faults(断层) connect(连接) to(to) and() interact(相互作用) with(with) one(one) another(another),(,) is() necessary(必要) to(to) better(更好地) understand(理解) earthquake(地震) behavior(行为).(.) This() project(项目),(,) to(to) determine(确定) fault(断层) linkage(连接) and() how(how) it() relates(关系) to(to) fault(断层) slip(滑动) rates() here(这里),(,) is() a(a) necessary(必要) first(第一) step() toward(toward) the future(未来) goal(目标) of(of) mitigating(减轻) risk(风险),"(,") said() co-(共同)author(作者) Elizabeth(伊丽莎白·) Madden(马登) at(at) Universidade(Universidade) de(de) Bras(胸罩)í(í)lia(lia),(,) who(who) first(首先) advanced(先进) the idea(理念) of(of) the BSSA(BSSA) study(研究).(.)
Dorsett(Dorsett),(,) who(who) worked() on(on) the study(研究) as(as) an(an) undergraduate(本科) at(at) Appalachian(阿巴拉契亚) State() University(大学) and() is(is) now(目前) pursuing(追求) a(a) Master(硕士)'s('s) degree(学位) at(at) Indiana(印第安纳) University(大学),(,) said() the new(新的) analysis(分析) could() prove(证明) useful(有用) to(to) seismologists(地震学家) working(正在) on(on) large-scale(大型) computational(计算) models(模型) to(to) better(更好地) forecast(预测) California(加州) earthquakes(地震).(.)
"(")Our(我们) work(工作) suggests(表明) that(that) the San() Andreas(安德烈斯) effectively(有效地) does(不会) not(not) end(结束) at(at) the Salton(Salton) Sea(),(,) but() is(is) most() likely(可能) physically(物理) connected() to(to) the Imperial(帝国) fault(断层),(,) and() then(然后) to(to) the Cerro(塞罗) Prieto() fault(断层) in(in) Mexico(墨西哥),"(,") he() said().(.) "(")All(所有) other(其他) factors(因素) equal(相同),(,) if(如果) the San() Andreas() is(is) connected(关联) to(to) these(这些) other(其他) structures(结构),(,) then(那么) it() makes(品牌) the chances(机会) of(of) a(a) longer(更长) rupture(破裂)()and() a(a) larger(更大) magnitude(大小)()more(more) likely(可能)."(.")
The system(系统) of(of) faults(断层) in(in) the Imperial(帝王) Valley() accommodate(容纳) most(most) of(of) the motion(运动) between(between) the Pacific(太平洋) and() North() American() tectonic plates(构造板块) in(in) southern(南部) California(加利福尼亚).(.) The complex(复杂) spatial(空间) arrangement(布置) of(of) the faults(断层),(,) however(然而),(,) makes(使得) it() difficult() to(to) know(知道) whether(还是) this(这种) motion(运动) is() mostly(主要) transferred(传递) via(通过) slip(滑移) along(沿着) major(主要) faults(断层),(,) or(or) through(通过) significant(明显) off(off)-()fault(断层) deformation(变形) of(of) the crust(地壳),(,) Dorsett(Dorsett) noted(指出).(.)
To(To) better(更好地) understand(理解) slip(滑动) rates() and() linkage(联系) among(之间) these(这些) faults(故障),(,) the researchers(研究人员) created(创建) a(一个) suite() of(of) 3-D(3-D) models(模型) that(that) simulate(模拟) long-term(长期) Pacific(太平洋)-()North() American() plate(板块) motion(运动),(,) basing() the initial(初始) fault(故障) geometry(几何) on(on) the SCEC(SCEC) Community(社区) Fault(断层) Model(模型) 5.0,(5.0,) a(a) comprehensive(综合) database(数据库) of(of) known(已知) faults(断层) in(in) southern() California(加州).(.) They(他们) developed(开发) four(四种) geologically(地质) plausible(合理) fault(断层) configurations(构造) with(with) different(不同) degrees(程度) of(of) connectivity(连通性) between(between) the Imperial(帝国) fault(断层) and() the Coachella(Coachella) ((()southern(南部))()) part(部分) of(of) the San() Andreas(安德烈) Fault(断层) to(to) the north(北部) and() to(to) the Cerro(塞罗) Prieto() fault(断层) in(in) the south(南部).(.)
They(他们) then(然后) compared(比较) slip(滑动) rates() along(along) those(这些) faults(断层),(,) as() suggested(所示) by() the mechanical(机械) models(模型),(,) with(with) average(平均) fault(断层) slip(滑动) rates() calculated(计算) by(by) the Uniform(均匀) California(加利福尼亚州) Earthquake(地震) Rupture(破裂) Model(模型) version() 3,(3,) or() UCERF3,(UCERF3,) the most() recent(最近) earthquake(地震) rupture(破裂) forecast(预测) for(for) California(加州).(.)
Their(他们) model(模型) results(结果) suggest(表明) the Coachella(Coachella)-()San(San) Andreas(Andreas) Fault(断层),(,) the Brawley(Brawley) Seismic Zone(地震带),(,) the Imperial(帝国) Fault(断层) and() the Cerro(Cerro) Prieto(Prieto) fault(断层) are(are) mechanically(机械) linked(连接) and() form(形成) a(a) continuous(连续) fault(断层) structure(构造).(.)
The analysis(分析) also() suggests(表明) that() the Dixieland(迪克西兰) fault(断层) in(in) the west(西部) part(一部分) of(of) the valley(山谷),(,) in particular(特别是),(,) may(可能) accommodate(容纳) a(a) more() significant(显著) part(部分) of(of) the plate(板块) motion(运动) than(than) previously(以前) suspected(怀疑),(,) Dorsett(Dorsett) noted(指出),(,) while() the models(模型) also() indicate(表明) that(that) there(存在) may(可能) be(be) a(a) significant() amount() of(of) seismic(地震) strain(应变) that(that) occurs(发生) off(off) of(of) the faults(断层).(.)
"(")Like(一样) others(其他) before(before) us,(us,) we(我们) definitely(肯定) suspected(怀疑) that(that) there(there) could(可能) be(be) faults(断层) linking(连接) the San() Andreas(安德烈) to(to) the Imperial(帝国) and() Cerro(塞罗) Prieto() faults(断层),(,) and() it's(it's) great(很好) that(that) our(我们) study(研究) suggests(表明) that(that) these(这些) linking(连接) faults(错误) are() needed(需要) to(to) correctly(正确) capture(捕捉) the plate(板块) motions(运动),"(,") said() Dorsett(Dorsett).(.)

新闻订阅

  • 科学
  • 技术
  • 医学

新闻分享