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[期刊论文] 作者：Douglas Dreger,
来源：地震学报（英文版） 年份：2022
Donald V.Helmberger was an unparalleled observa-tional seismologist,and theoretician.His pioneering work...
[期刊论文] 作者：Thorne Lay,Xiaodong Song,
来源：地震学报（英文版） 年份：2022
Donald Vincent Helmberger,Ph.D.and Smits Family Professor of Geophysics Emeritus at Caltech(Figure 1)...
[期刊论文] 作者：Lupei Zhu,
来源：地震学报（英文版） 年份：2022
When I received the shocking news on August 13,2020 that our beloved Don passed away,I was deeply saddened.The feeling was worsened by the COVID-19 pandemic that essentially locked down everything so most of us were not able to attend his m......
[期刊论文] 作者：Timothy I.Melbourne,
来源：地震学报（英文版） 年份：2022
Don is certainly missed,by me,and by so many others.I particularly miss the constancy I derived by thinking of him down in Pasadena on the third floor of South Mudd,under the tree in his office,looking at waveforms.I have myriad memories wi......
[期刊论文] 作者：John E.Vidale,
来源：地震学报（英文版） 年份：2022
Arriving at the Seismo Lab in 1981,I first worked with Hiroo Kanamori on the seismotectonics of the New Hebrides(Vidale and Kanamori,1983)(I don\'t remember why).Then with Rob Clayton I worked on finite-difference methods of modeling seismi......
[期刊论文] 作者：Daoyuan Sun,
来源：地震学报（英文版） 年份：2022
It has been more than a year since Don left us.He left us so suddenly.We planned to have a phone call after he settled down at his new house.However,it never happened.Although he had some medical issues persi-stently in his last year,he had......
[期刊论文] 作者：Shengji Wei,
来源：地震学报（英文版） 年份：2022
My journey on the wiggles with Don started from February 2008,when I got an opportunity to visit the Caltech Seismolab as a visiting PhD student,which was made possible via Dr.Sidao Ni\'s recommendation.A previous student of Don,Sidao was a......
[期刊论文] 作者：Stephen P.Grand,
来源：地震学报（英文版） 年份：2022
I arrived at Caltech as a graduate student in the summer of 1979.With a BSc degree in physics,I knew little to nothing about seismology or geophysics.The Seismo Lab encouraged new students to immediately start some research with a great lat......
[期刊论文] 作者：Robert W.Graves,
来源：地震学报（英文版） 年份：2022
I first met Don Helmberger when I visited Caltech in the spring of 1984 as a prospective graduate student.During that visit,I was immediately impressed by Don\'s unbridled passion for science,in general,and seismology,in particular.Don made......
[期刊论文] 作者：Brian Savage,
来源：地震学报（英文版） 年份：2022
My first exposure to Don Helmberger\'s work was during a seismology class in my 2nd year in college where several students,including myself,were to present on Grand and Helmberger(1984).It was over my head,but seeing the beauty of the seism......
[期刊论文] 作者：Thorne Lay,
来源：地震学报（英文版） 年份：2022
A year after the passing of Don Helmberger,it is remarkable how memories of interactions with him over my entire professional career continue to spark affection and admiration.I arrived at Caltech in the summer of 1978 having had typically ......
[期刊论文] 作者：Allison Bent,
来源：地震学报（英文版） 年份：2022
I grew up in one of the most aseismic regions of the planet but decided as a child that I wanted to be a seismologist.Ignoring all the naysayers who claimed that no one really did that for a living and who told me I should choose something ......
[期刊论文] 作者：David J.Wald,
来源：地震学报（英文版） 年份：2022
You might find it hard to believe,but I went to Caltech\'s Seismological Lab for my Ph.D.on a football scholarship.Well,perhaps I should explain.I received my M.S.in Geophysics(Earthquake Seismology)at University of Arizona in 1986,under th......
[期刊论文] 作者：Edward Garnero,
来源：地震学报（英文版） 年份：2022
I arrived at Caltech in June 1986,with interests in both mineral physics and seismology.I was excited to either study mineral physics with Professor Tom Ahrens,or investigate great earthquakes with Hiroo Kanamori.Upon arriving,I decided sei......
[期刊论文] 作者：Charles A.Langston,
来源：地震学报（英文版） 年份：2022
I arrived at the Caltech Seismo Lab early in May 1972.The faculty and graduate students had the run of an old mansion(Donnelly Lab)that was slightly tattered around the edges but conducive to both all-night work sessions and goofing off sin......
[期刊论文] 作者：Zhou Mi,
来源：北京周报（英文版） 年份：2022
American market without the application of the Section 232 tariffs introduced by former President Donald...
[期刊论文] 作者：Shen Wei,Hu Yaohui,
来源：中国国际问题研究 年份：2022
During his four years in office, President Donald Trump of the United States successively withdrew from...
[期刊论文] 作者：Xiaodong Song,
来源：地震学报（英文版） 年份：2022
It has been more than a year since Don passed away suddenly.Thinking about it still makes my heart hurt.I did not know Don Helmberger or any other famous geophysicists before joining the Seismological Laboratory at Caltech in 1989.In fact,I......
[期刊论文] 作者：Voon Hui Lai,
来源：地震学报（英文版） 年份：2022
Seismic waveform modeling is one of the most powerful tools for understanding Earth\'s structure,since it allows waveforms to be quantitatively predicted using physical source representations and a velocity model.In the late 1960s,Don Helmb......
[期刊论文] 作者：Lan Xinzhen,
来源：北京周报（英文版） 年份：2022
Four years have passed since the Donald Trump administration announced it would impose tariffs on $50...
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